Contents, author and subject index volume 20, 1986

KEYWORD INDEX Authors' keywords arranged according to the Aqualine Thesaurus

Algae, cont. green, Coelastraceae Chlamydomonas 877 Pandorina morum 619 Selenastrum 91 removal 377 Algicidal and algistatic activity 619 Alkalinity 335, 1265, 1353 Alkylbenzenesulphonate 643 Aluminium chloride 1321 Aluminium hydroxide polymers 443 Aluminium sulphate 1105 Amines 1031 o-dianisidine 709 Amino acids 97, 1209, 1217, 1223 Amino sugars 1209, 1217, 1223 Amitrole bioassay amitrol 91 Ammonia 633, 1031, 1345, 1363 Ammonia removal 735 Analysis 247, 525, 643, 835 statistical 625, 675, 835, 905, 1477 Anilines 939 Anodes 703, 1523 Anthracene 503 Antifouling agents 703 Apatite 1193 Aquatic environments 1223 Aquatic macrophytes 255 Phra~mites 363 Scirpus 363 Typha 363 Aqueous solutions 197, 209 Arsenic 283, 1341 Asbestos 1243 Assay 273 Atrazine 91 Availability 1193 Avoidance behaviour 1233 Azo dyes 277, 709

Abattoir, see Slaughterhouse Absorption spectroscopy 1477 Acclimation 1229 Accumulation 471, 877, 1243 Acetic acids 987 Acid waters 73, 757, 1583 Acidification of lakes 335, 763, of streams 73 Acidogenesis 427 Acridine Orange 85, 1461 Actinomycetes 531 Activated alumina 977 Activated carbon 123, 277, 435, 871, 1105 alternatives 449 Activated sludge 45, 137, 173, 477, 491, 943, 1051, 1209, 1217, 1281, 1333, 1529 Activated sludge plants 301 Activated sludge process 851 Activation energy 209 Activity coefficient 1433, 1443 heterotrophic 85 sludge 1529 surface 1489 Adenosine triphosphate 1569 Adsorbates 123 Adsorption 45, 123, 221, 277, 295, 345, 471, 851, 917, 923, 977, 1105, 1251, 1333, 1465, 1493, 1543 activated carbon 277, 435, 449 IRA-400 221 Langmuir isotherm 123 mercury (II) sorption 449 of phosphate on slag 547 of mutagens 277 of viruses to soil 267 XAD resins 277 XAD-2 resins 153, 1489 XE resins 277 Aeration 905, 1105, 1129, 1161 Aeration equipment 1051 Aggregation 185 Air saturators 421 Aldehydes 167 Aldrin 1149 Algae 399, 703, 1265, 1569

Bacteria 237, 283, 781, 1023, 1465 acidophilic iron-oxidizing 73 Bacillaceae Clostridium perfrin@ens 1255 Coliform 52'5, 583 " Faecal 105, 1255, 1493 filamentous 661 freshwater 85, 1461 Methane 385, 1561

blue-green Microcystis 485 Oscillatoria rubescens

619 iii

Bacteria, cont. Nitrogen Nitrobacter 611, 1375 Bacterial counts 85, 1461 Bacteriology 525 Bacteriophages 145 coliphages 583 concentration 145 f2 virus 351, 357 Beef extract 1321 Benthos invertebrates 825 Bioaccumulation 1433 Biodegradation 45, 255, 345, 399, 935~ 1077, 1209, 1217, 1417 anaerobic degradation 113, 929, 1315 of o-cresol 477 Biogeochemistry 283 Biokinetics 633 Biological films 369, 685, 697, 795, 971, 1451, 1589 Biological reactors design 847 DSFF 685 Biological treatment 9, 399, 1185 anaerobic UASB 97, 517, 789 Biomass 851, 1363 Bismuth active substances 247 Bivalves clams corbicula fluminea 1243 mussels 703 BOD, see Oxygen demand Boundary layer 1589 Bright field microscopy 1461 Bromide 751 Bubbles 421 Buildings 495

Cadmium 91, 295, 579, 771, 1059 Calcium carbonate 917, 923 Calcium sulphides 537 capillary flow 715 Catchment areas drainage basins 651 roadside gully-pots 589 Carbon dioxide 1031 Carbon tetrachloride 1261 Carbonate 987 Carbonyl compounds group formation 153 Carboxylic acids 167, 1153 Catalysis 865 Catalysts 709 Cells 531 Chloramines 817, 1031, 1067 Chlorinated hydrocarbons 1149 Chlorinated organic compounds 775 Chlorination 237, 865, 885, 987, 1185, 1555 Chlorine 1031, 1067 sampling 775 Chlorine oxides dioxide 351, 357, 871 Chloroanilines 935 Chlorethanes 851 Chloroform 885, 1261, 1273 Chloromethanes 1261 Chlorophenols 67, 85, 435

Chlorophenoxy herbicides, see Pesticides Chlorophyll, see Pigment Chromate 1177 Chromatography 1433, 1443 (see also Gas chromatography) Liquid, HPLC 643 Chromium 91, 847, 1233 Chrysene 503 Clarification 399 Clays bentonite 37, 935 kaolinite 1543 Cleavage 477 Climate cold 105 tropical 1015 Co-metabolism 45 Coagulation 583, 675, 1265, 1307, 1543 alum 105 calcium polysulphide 537 ferric chloride 537 sodium sulphide 537 Coal bituminous 449 Coal liquefaction H-coal process 113 Coatings 1543 Coke works wastewaters 633 Colloids 1489, 1599 Colorimetry 1341 Complexation 21, 1535 Composition chemical 317 ionic 463 species 1575 Composts 1471 Copper 91, 703, 771 Coprecipitation 27, 917, 923 Counts direct 85, 1461 membrane filtration 1255 plate 1023 Coupling 675 Correlation linear 123 Cresols 939 m-cresol 113 o-cresol 477 p-cresol 113, 929, 1315 Cross linkages 1177 Crustaceans Amphipod Gammarus pulex 579 Cladocera Daphnia 877, 939 Peracarida Asellus aquaticus 1137 Crangonyx pseudo~racilis 1137 Culture 1375, 1505 Cyanides 579, 633 Cycling phosphorus 597 silica 597 Dams Hartbeespoort, South Africa 413 Data processing 675 DDT 1149 Death zooplankton mortalities 725

Decomposition 1067 Degradation anaerobic 113, 929, 1315 MCPA 67 proprionate 517 Denitrification 173, 221, 847, 1015, 1345 Deposition acid 335 particulates 215 rates 1493 Deputation 877 Design experimental 105, 1353 Desorption 1251 Detention reservoirs 651 Detergents 643 Determination 273, 1041, 1407 of lead 325 simultaneous 233 Dieldrin 1149 Diffusion 369, 1589 Digestion aerobic 943 anaerobic 385, 427, 449, 517, 685, 789, 1273, 1561 anoxic 943 Dihydroxytoluene 477 Disinfection 817 chlorination 237 chlorine dioxide 351, 357 ozonation 237 Dispersion 259, 1543 Dissolved oxygen, see Oxygen Dissolution calcite 757 Distribution mathematical 525 Distribution ~systems 1023 Divinylbenzene 221 DO sag, see Oxygen balance Dyes amaranth 267 azo dyes 277, 709 methylene blue 267 Ecology 399 Effluent (Treated), see also Sewage works effluent secondary effluent 583 Effluent treatment 1523 Eggs 813, 893 Electric current 667 Electrodes aluminium 667 cadmium electrode reaction 295 glucose 1529 iron 667 oxygen microelectrode 1589 Electron microscopy 185, 697, 1451 Electron transport system 1497 Electrolysis 667 Elimination of PAHs 503 Endogenous phase 1505 Energy consumption 667 flow 781 maintenance energy 427 Engineering environmental 625 hydraulic 259

Enrichment 643 of nutrients 531 Enteroviruses, see Viruses Environment assessment 559 Enzymes dehydrogenases 491 8-galactosidase 491 horseradish peroxidase 709 Equations 625 Equilibrium 741 Estuaries 1059, 1111, 1493 Eutrophication 619, 1193 control 413 eutrophic lakes 485, 597, 1345 Exposure 1233 Extinction coefficient 485 Extraction liquid-liquid 775

Fat 421 Fate 255 Fatty acids 385, 427, 453 Feedforward control 301 Fermentation 97, 1273 Fertilizers 131 Fibre 697, 1471 Filamentous organisms 661 Filter media plastic 1353, 1363 Filters biological 259, 781, 1015, 1333, 1465 deep bed 215, 715 membrane 145, 1255, 1451 mixed media 583 nitrifying 1363 sand 377 trickling 259, 1353, 1363, 1589 Filtration 215, 399, 1091 biological 1471, 1477 crossflow 1599 deep bed 215, 715, 1363 HGMF 537 membrane 1255, 1461 mixed media 583 sand 377, 871 Fish Cyprinid Pime~hales promelas 877, 939 Salmonid Salmo ~airdneri 503, 771, 1229, Fishponds 463 Fixed bed reactor 9 Flocculation 37, 661, 675, 715, 1265, 1307, 1321, 1427 Flotation processes 399, 421, 813, 1523 Fluidized beds 369, 1105 Fluoranthrene 503 Fluorene 503 Fluorescence microscopy 238, 1461 Fluoride 443 Fouling 703 Fraction water fractionation 185 Freezing soil 831 Freshwater 751 Fuels wastewater 633

Fulvic acids Fungi 283

Iron 1129, 1345 Iron chlorides 537 Isolation 813 Israel 131

153, 185, 987

Gammarus, see Crustaceans Gas chromatography 273, 775 GC-MS 153, 167, 965 GLC 153, 167 pyrolysis-GC-QMS 233 Gas washing wastewaters 537 Glyphosate 91 Grazing 781, 1363 Groundwater 751, 1153 pollution 131, 965 virus contamination 79, 1603 Growth 1243, 1375 specific growth rate 485

Jar tests Jets 259 Jordanella

715 floridae 893

Kinetics 21, 255, 625, 1325, constant 209, 1505 inactivation 817 metal removal 21 precipitation 443 substrate bio-oxidation

Halogenated organic compounds 885, 959, 987, 1119, 1555 Hatchability 893 Hazard assessment 255 Haemoglobin 709 Head losses 1091 Head space 273 Heavy metals 21, 399, 537, 559, 771, 1137, 1333, 1393, 1397 (see also individual metals) inhibition of enzymes 491 loadings 589 Heptachlor 1149 Herbicides, see Pesticides Heterotrophy 1023 Hexachlorocyclohexane 1149 High gradient magnetic separation 537 Human activity 999 Humic matter 27, 899, 1535, 1543 humic acids 153, 885, 1383, 1397, 1489, 1603 Hydraulic loading 1363 Hydrocarbons 399, 1599 Hydrogen 789 Hydrogen ion concentrations 335, 547, 667, 971, 1589 Hydrogen peroxide 619, 1341 Hydrogen sulphide 1471 Hydrology parameters 589 Hydrolysis 1535 Hydroxyl 167 Hypobromite ion 865 Hypolimnion 1129 Hysteresis 1251

795, 877,

137

Laboratory scale 421 Lactate 789 Lagoons 105, 399, 1185, 1265 Lakes 697, 763, 1005, 1461 acidic 757, 1583 acidification 335 eutrophic 485, 597, 1345 Huron, USA 317 management 413 Mendota, USA 597 Ohakuri, NZ 283 Okanagan, Canada 1193 restoration 1345 Tadenac, Canada 763 Land treatment 1417 Landfills 789, 965, 1153 Leachate 741, 789, 965, 1153 Leaching 1299 Lead 325 Le~ionella, see Pathogenic Organisms Legislation NPDES permits 939 Light (illumination) 67, 509, 1497 Limnology 185, 697 Loading nutrient 859 shock 789 Lysimeters 741

Malachite Green 1461 Manganese 1345 Manganese oxides 471 Manipulations biological 413 Manure slurries 453 Mariculture 463 Mass transfer 435 Maximal permissible concentrations 771 MCPA 67 Media 1255, 1451 Meltwaters 831 Membrane processes 1511 Mercury 63, 435, 763, iiii mercury (II) sorption 449 removal 63, 449 Metabolism 399 metabolic intermediates 477

Inactivation of viruses 351, 357, 817 Indole compounds 893 Industrial wastewaters 399, 789, 1185 Ingestion 781 Inhibition 847, 1333, 1465, 1561 of enzymes 491 inhibitory effects 427 Instrumentation 1529 Ions aluminium 1535 metal-hypochlorite pairs ~65 Ion exchange 21, 221, 735, 741, 1177, 1299 vi

Organic carbon 1031, 1407, 1477, 1599 dissolved 835 TOC 233 835 Organic compounds 185, 633, 1417, volatile fatty acids 385, 427, 453 Organic matter 965 interaction 325 pedogenic 185 volatile organics 153 Outfalls 1 Oxidation 1031 chemical 1407 ferrous 73 nitrate 1197 nitrite 1375 Oxidizable 1477 Oxidizing agents 1067 Oxygen 1005 Oxygen balance 1 oxygen control scheme 301 Oxygen deficiency 1345 Oxygen demand 1051 biochemical i, 137, 301, 625 chemical 421 Oxygen transfer 905, 1363 Oxygen uptake 137, 1589 Ozonation 67, 153, 167, 197, 209, 237, 675, 835, 871, 885, 987, 1383, 1477, 1535 by-products 197 Ozone consumption 197

Metallothionein 771 Metals 651 (see also Heavy metals, individual metals) Methane 113, 929, 1273, 1315 Methane production 385, 427, 789, 1561 Methoxychlor 893 Methoxyphenols 709 Methyl bromide 273 Methyl iodfde 273 Methyl octadec-9-enoate 167 Methylamines 221 Methylation iiii Micro-organisms 795, 851, 1407 regrowth 583 Microbiology 495, 525, 697 Microstraining 399 Mineralization 1583 Mining wastewaters 73 Mixing 485, 905, 1307 Modelling 485, 795, 905, 943, 977, 1045, 1059, 1091, 1325, 1353 biochemical model 1511 deterministic models 53 dynamic model 369, 427 empirical 413 kinetic 633 Markov processes 625 Qual-II 53 stochastic 625 substrate removal model 1281 Molecular weight 1535 Monitoring 247, 1045, 1059, 1393 continuous 509 hydrochemical 311 pollution 311 Monitors 1005 Mutagenicity 1119 adsorption of mutagens 277

Packed columns 259 Palm oil industry wastewaters 1523 Paper pulp 1185 Parameters equilibrium 123 geometric 905 hydrological 589 Parasites 813 Parathion 1229 Particle counting 1023 Particle size 559 particles 675, 1599 collision efficiency 715 Partitioning 1251, 1433, 1443 Pathogenic organisms Le~ionella pneumophila 495 Paths 477 Peat 21 Peptides 27 Performance 905 Pesticides 399, 651 chlorophenoxy herbicfdes 45 endotha11 255 Petrochemical wastewaters 63 pH, see Hydrogen ion concentrations PHB 661, 1511 Phenanthrene 503 Phenols 27, 113, 399, 435, 477, 633, 709, 929, 1153, 1315, 1383, 1465 nitrophenols 85, 939 p-chlorophenol 435 Phenoxyalkanoic acid 85 Phenoxy compounds 67 Phosphates 471, 1511 inorganic 547, 917, 923 organophosphates 27 recovery 735

Naphthols 1465 Naphthalenes 197, 209 Natural waters 471, 1031 Network 1045 Neutralization 757 Nitrate 1015, 1197, 1345 Nitrification 173, 363, 611, 633, 971, 1051, 1325, 1333, 1353, 1363, 1465 Nitrilotriacetate 345 Nitrite 1031, 1353, 1363, 1375 Nitrobenzenes 899 Nitrogen 1569 15N 131 Kjeldahl nitrogen 237 organic 237, 1031 removal 173 total nitrogen 233 Nitrophenols 85 Nitrotoluenes 899 Nitrosamines 221 Nucleic acids 357 Nuclear magnetic resonance 153 Nutrients 463, 531, 859, 929, 1315, 1457

Oil 741, 1299 Operation 1015 Optimization 1045 vii

Phosphorus 859, 1129, 1193, 1197, 1569 Phosphorus cycle 1345 Phosphorus removal 667, 735, 977, 1511 Photochemical oxidation 569 Photochemistry 899 Photolysis 899 Photosynthetic activity 509, 1575, 1589 Physicochemical treatment 735 Picloram 91 Pigment (Photosynthetic) 859, 1569 Pilot plants 45 Plankton phytoplankton 509, 859, 1041, 1497, 1575 zooplankton 317, 725 Polarography 1489 Poliovirus, see viruses Pollutants 1251, 1261 micropollutants 123, 709, 1119 organic impurities 569, 1105, 1153, 1433, 1443, 1465 organic micropollutants 45, 399 removal rates 589 xenobiotic compounds 1077 Pollution i, 625, 1059, 1393 artificial 999 groundwater 131, 965 marine 643 river 85 Pollution indicators 1255 Polycyclic aromatic hydrocarbons 503 Polychlorinated biphenyls 651 Polyelectrolysis 715 Polymers 27, 1427 aluminium hydroxide 443 microbial 1209, 1217, 1223 poly-3-hydroxybutyrate 661, 1511 Polysaccharides 661, 1427 Ponds experimental 859 management 463 recycled pondwater 463 Population 317 Porosity 547 Porous media 215 Potamopyrgus 825 Potassium iodide 1341 Power 1051, 1307 Power generation 725 Precipitation (Atmospheric) 751 Precipitation (Chemical) 443, 735, 1265, 1535 Preliminary treatment 449, 537 Production (primary) 1041 Products 795, 1281 Proprionic acid 939 proprionate degradation 517 Protein 267, 351 cytochrome-c 267 ferritin 267 myogloDin 267 Purification 1105, 1427 Pyrene 503 Pyrethrins 579 Pyrolysis 233

Quantum yields

Radiation 885 Radicals 167, 1383 Radioactivity 1261 Rainfall/runoff relationship 589 Rate constants 865 Ratio air-to-solids 421 bromide-chloride 751 Reactivity 351 Reactors, see specific types Recharge 1119 Recorders 1005 Recovery 813, 1321 Recycling 1353, 1363 Regression analysis 589, 675 Removal of algae 377 ammonia 735 efficiency 421 of mercury 63, 449 of phosphorus 667, 735, 977, 1511 rates (pollutants) 589 Reproduction 317 Reservoirs 255, 1005 Residues runoff residuals 651 Resins (Ion exchange) composition 1177 IRA-400 221 XAD-resins 277 XAD-2 resin 153, 1489 XE-resins 277 Respiration 781, 1497, 1589 Respirometry 137, 1505 Retention periods 259 distribution studies 369 in lakes 597 minimum solids 385 Reuse 45 Rhizosphere 363 Ribonucleic acid 357 Rivers, see Streams Rotating biological contactor systems 73 Rotavirus, see Viruses Runoff 651 Salinity 1059 Sampling 775, ~25, 1045, 1457 Sampling apparatus 311, 825, 1393 Scale (Dimension) 105 Scums 531 Sea water 295, 325, 463, 703, 865, 1197, 1265, 1457, 1599 Seasons 1477 Sediment 283, 471, 763, 825, Iiii, 1129, 1193, 1251, 1345, 1583 loadings 589 sieved 559 Sedimentation 675 Seeding (magnetic) 537 Selenastrum, see Algae Selenium 763, 877 Self purification 1 Semi-continuous process 173 Sensitivity 1575 Separators 651 Serology 495 Sewage 45, 247, i291 Sewage treatment (see also specific processes) 9, 259, 531 Sewage works effluent 463, 5~3

899 viii

Shale 1299 Silica 1543 Silver 91 Simazine 91 Slags 547 Slaughterhouse 421 Slimes 697 Sludge 15, 137, 651, 813, 943, I011, 1321, 1561 Sludge age 45 Sludge dewatering 651 Sludge thickening 651 Sodium dodecyl sulphate 435 Sodium sulphide 537 Softening of water 27 Soil 267, 345, 831, 1251 Solar radiation 569 Solids 421, 675 Solids removal 215 Solubility 1433, 1443 Solutes 831, 1161 Solvents (sublation) 1161 Sorption (see also Absorption, Adsorption) 449, 935, 1149, 1397, 1417, 1433 Species 1575 Spectral analysis 301 Spectroscopy 1067, 1383 Spheroplasts 357 Stability 453, 1497 Stabilization 1535, 1543 Standard deviation 1059 Starch waste waters 97, 1281 Starch xanthate 63 Statistical analysis 525, 625, 675, 835, 905, 1477 Streams (in natural channels) 831, 1325 Oise River, France 871 river pollution 85 Seine River, France 871 Tittabawassee River, USA 317 Tone River, Japan 999 Waikato River, NZ 283 Stripping voltametry 325, 1397 Structures 185, 697, 1383, 1465 Styrenes 221 Substrate removal 137, 1505 Sudanese villages 37 Sugar 789, 1209, 1217, 1529, 1583 Sulphates 97 Sulphides iiii, 1561 Surface 1015 Surface water 675, 835, 959, 1477 Surfactants 247, 295, 643, 1575 Surveys i, 495 Suspended solids 421, 675, 1493 Suspensions 569 Swimming pool water 959

Trace elements 741, 1119 Tracers 877 Triallate 91 Triazines 91 Trihalomethanes 817, 959, 987, 999, 1555 Trout, see Fish Turbidity 1023 Ultrafiltration 79, 185, 935, 1383, 1477, 1603 Ultraviolet radiation 569, 1383 Upgrading (lagoons) 105, 1265 Upland waters 153 Urban areas 495 uric acid 1209, 1217 Velocity 1307 virus concentration 15, 79, i011, 1603 viruses 267 adenovirus 817 bacterial (f2) 351, 357 enterovirus 583, 871, i011, 1291 enterovirus recovery 15, 1321 poliovirus 15, 1603 rotavirus 79, 583 Volatility 1417 Wastewater 905, 977, I011, 1321 carbohydrate 685 coke plant 633 gas washing wastewater 537 industrial 399 petrochemical 63 potato-starch 97 synfuels 633 Wastewater treatment 27, 105, 363, 427, 443, 537, 625, 1077, 1161, 1265, 1291, 1417, Water 495, 569, 751, 775, 1105, 1129, 1407, 1457 Water quality 53, 495, 509, 1325 Water supplies 233 drinking water 221, 237, 277, 709, 885, 959, 1023, 1341, 1555 processed water 317 Water table 311 Water treatment 27, 37, 675, 1149, 1185, 1307, 1477 Water works 237 Weathering 741 Wetlands (artificial) 363 Wickbold procedure 247 Wood bark 1471 Worms nematode 781 platyhelminth Taenia 813

Tastes and odours 1185, 1471 Technology transfer 697 Temperature 453, 547, 611, 633, 1005, 1353, 1575 Thermal effects 725 Thermodynamics 21, 517 Titanium oxide 569 Titration 335 Toxic suDstances 851 Toxicity 579, 893, 939, 1137, 1229, 1233, 1273, 1407, 1465, 1561, 1575 Toxicology 503, 1407

XAD, see Adsorption, Xenobiotic compounds Yield zinc ix

137, 899 91, 771

Resins i077

1217,

173, 905, 1511 831, 1045, 273, 1185,

1067,

CONTENTS OF VOLUME 20 JANUARY DEVENDRA SWAROOP BHARGAVA

1 Models for polluted streams subject to fast purification

D. AMAR, J. PARTO& C. GRANET, G. M. FAUP and J. M. AUDIC

9

The use of an upflow fixed bed reactor for treatment of a primary settled domestic sewage

PHILLIP R. SCHEUERMAN, SAMUEL R. FARRAH and GABRIEL BITTON

15 Development of a method for the recovery of enteroviruses from aerobically digested wastewater sludges

THIERR~ GOSSE'I". JEAN-LUc TRANCART and DANIEL R. THI[VENOT

21

Batch metal removal by peat. Kinetics and thermodynamics

MARCIA YUNMEN LIAO and STEPHEN J. RANDTKE

27

Predicting the removal of soluble organic contaminants by lime softening

EBBA LUND and BIRTE NI~EN

37

Low technology water purification by bentonite clay flocculation as performed in Sudanese villages: virolol0cal examinations

N. P. HILL, A. E. M c l N ' r ~ , R. l~m~Y and J. N. LEs'rEa

45

Behaviour of chlorophenoxy herbicides during the activated sludge treatment of municipal waste water

R. W. CaAnTa~. I. D. CLUCKIE. C. F. FORSTEg and C. P. CROCgFrT

53

A comparison of two river quality models

L. CAMPANELLA.E. CARDARELLI. T. FEzzt and B. M. PtTRONIO

63

Mercury removal from petrochemical wastes

J. L. BENOIT-GUYOD, D. G. CRessY and J. B. BOWEt~

67

Degradation of MCPA by ozone and light

KANJI NAKAMURA,TATSUYA NOIKE and JUN'ICHIRO MATSUMOTO

73

Effect of operation conditions on biological Fe -'+ oxidation with rotating biological contactors

JANIS JANSONS and MARION R. BUCENS

79 Concentration of rotavirus by ultrafiitration

C. R. MILNER and R. GOULDER

85 The abundance, heterotrophic activity and taxonomy of bacteria in a stream subject to pollution by chlorophenols, nitrophenois and phenoxyalkanoic acids

SUSAN C. TURBAK, SUSAN B. Or.SON and GORDON A. McFKrERs

91

Comparison of algal assay systems for detecting waterborne herbicides and metals

HENK J. NANNINGA and JAN C. GOTTSCHAL

97

Anaerobic purification of waste water from a potato-starch producing factory

GORDON R. FINCH and DANIEL W. SMITH

105

PHILLIP M. FEDORAKand STEVE E. HRUDEY

113 Anaerobic treatment of phenolic coal conversion wastewater in semicontinuous cultures

PIERRE LAFRANCE, MICHEL MAZE'r, DANIEL VILLESSOT JEAN-CLAUDE THOMES

123

Aammncenmnt

Batch coagulation of a lagoon for fecal coliform reductions

Repr6sentation graphique d'une nouvelle forme r6quation de I'isotherme de Langmuir

lin6aris~e de

The Effects of Contaminants on Ecological Systems, Biacksburg, Va, U,S.A., 17-19 November 1986

FEBRUARY Otmmry Em~

a. PV~LSON

NtCOL[ KAPUAN and MO~DECKAI MAGARITZ W.R.20/12--K

I 131

A nitrogen-isotope study of the sources of nitrate contamination in groundwater of the pleistocene Coastal Plain aquifer, Israel xi

JAN SI/SCHKA and EDSON FERREIRA

137 Activated sludge respirometric measurements

P. A. SmELDS, T. F. LING, V. TJATrIA, D. O. SHAll and S. R. FARRAH

145 Comparison of positively charged membrane filters and their use in con~ntrating bacteriophages in water

STr~HEN D. KILLO~

153 Volatile ozonization products of aqueous humic material

STEPHEN D. KILLOPS

167 Action of ozone on methyl octadec-9-enoate in polar solvents. A model for aqueous ozonization of organic compounds

YFAO,CI-IMIEL ARGAMAN

173

GARY G. LEFPARD, J. BUI~LE and R. BAUDAT

185 A description of the aggregation properties of aquatic pedogenic fulvic acids. Combining physico-chemical data and microscopical observations

B. L~ousE, S. GUYON, H. SUOtMrrsu et M. DORE

197 Ozonation du naphtalene en milieu aqueux--l. Consommation d'ozone et produits de r6action

B. LEGUBE, H. SUGIMITSU, S. GUYON et M. Dot~

209

Ozonation du naphtalene en milieu aqueux--lI. Etudes cin6tiques de la phase initiale de la r6action

R. M. W. HoR~,a~, R J. J ~ v m and R, I. MACKIE

215

Deep bed filtration: a new look at the basic equations

M. D o ~ , PrL SIMON, A. DEGUIN et J. VICTOT

221

D6nitratation des eaux ~i potabiliser sur r6sines 6changeuses d'ions---impact sur la qualit6 chimique de I'eau trait6e

KUNIO NAKAJIMA

233

Simultaneous determination of total organic carbon and total nitrogen in waters by pyrolysis--gas chromatography-mass spectrometry

M. ALBAT, B. BAt~UX, B. PICOT, J. M. PltlL1POT et J. Bo~rroux

237

Evolution de l'azote Kjeldahl et de la biomasse bact~rienne le long d'une fili6re de traitement d'eau potable

J. WATERS, J. T. GARRIGAN and A. M. P A U ~ N

247

Investigations into the scope and limitations of the bismuth active substances procedure (Wickbold) for the determination of nonionie surfactants in environmental samples

255

Static shake-flask biotransformation of endothall

Tedmkal Note K. H. I~INm~T, J. H. RODGm~SJR, T. J. LtSLIE and M. L. HINMAN

Nitrogen removal in a semi-continuous process

MARCH YILMAZ MUSLU

259

Distribution of retention times in model biological filters containing packed spheres

Smtl N. SINGH. M. BA.~OUS, CHAat~S P. GERSA and L ~ M. KELLEY

267

Use of dyes and proteins as indicators of virus adsorption to soils

L. CIRILLI and A. BORGIOLI

273

Methyl bromide in surface drinking waters. Gas-chromatographic determination by the headspace technique

P. G. VAN RO~UM

277

Determination of the percentage adsorption of unknown organic compounds from water with a multi-column technique

MICHAEL C. Fa~.~AN. JOHN A c ~ ' r and GLENNYS O'BRIEN

283

Microbial transformations of arsenic in Lake Ohakuri, New Zealand

ZLATICA KOZAI~,C, BO2E/'4A(~O6OVl(~ and VJEgOCKX VO|VODI~

295

Effects of natural and synthetic surface active substances on the electrochemical reduction of cadmium in natural waters

G. D. CO~ER and P. L. LI~

301

Feedforward control of a wastewater plant

DANIEL RONEN. MORDECKAI MAGARITZ and ITZ~L~K LEVY

311

A multi-layer sampler for the study of detailed hydrochemical profiles in groundwater

U. M. COWGILL, H. W. E M ~ , D. L. H O ~ S , S. L. Am't~OAT~ and I. T. TAK~d4ASm

317

The influence of water on reproductive success and chemical composition of laboratory reared populations of Daphnia ma1~na xii

Influence des substances organiques dissoutes sur le dosage du plomb en milieu marin par redissolution anodique

F. QUEbrmL, C. MxDEC et J. COURTOT-CouPI:Z

325

M. J. SMALLand M. C. SUTTON

335 A regional pH-alkalinity relationship

NAM H. B~K and NICHOLASL. CL~SCFJU

345 NTA biodegradation and removal in subsurface sandy soil

CtmaLES I. NOSS, FRo) S. HAUCtOO~ and VINCENT P. OLtvmXt

351

Fgr~D S. HAUOOaAN,CHARLESI. NOSSand VINCt~NTP. OLiVlERI

357 Chlorine dioxide reactivity with nucleic acids

R. M. GERSmmO. B. V. ELKINS, S. R. LYON and C. R. GOLDMAN

363

DAVID K. STL~cXNS,P. M. Br~RTHO~EXand T. W. CHAPMAN

369 The effect of tracer diffusion in biofilm on residence time distributions

B. N^GHAVl and R. F. MALOr,m

377 Algae removal by fine sand/silt filtration

Cmu-YuE Lnq, KAZUAKI SATO, TATSUYA NOIKE and JUNICH1RO MATSUMOTO

385

Feztheamlag C o u f ~

395

Chlorine dioxide reactivity with proteins

Role of aquatic plants in wastewater treatment by artificial wetlands

Methanogenic digestion using mixed substrate of acetic, propionic and butyric acids

APRIL Review P a r r P. MoUCEmT

399

Revue des r6actions des algues aux micropolluants min6raux et organiques; consequences c~cologiques et possibilit6s d'applications industrielles

413

An evaluation of management aspects of a hypertrophic African impoundment

D. A. Lov~rT and S. M. Taxwas

421

Dissolved air flotation for abattoir wastewa~er

R. MOLKITA, D. V~Rma and G. AI.I~GNAC

427

Dynamic modelling of anaerobic digestion

GORDON MCKAY, MURAD J. BINO and A. AL'rlBMEMI

435

External mass transfer during the adsorption of various pollutants onto activated carbon

N. P A a ~ w r ¢ , and W. H ~ i

443

Combined use of calcium salts and polymeric aluminium hydroxide for defluoridation of waste waters

J. KARTHIKEYAN and MALAY CHAUDRURI

449

Enhancement of mercury(II) sorption from water by coal through chemical pretreatment

MICHAEL W. PECK, JANET M. SKILTON, Fgr~DA R. HAWKESand Dsmqts L. HAWKI~

453

Effects of temperature shock treatments on the stability of anaerobic digesters operated on separated cattle slurry

M. D. KROM

463

Sources of water to the seawater well which supplies the fish ponds in Eilat. Implications for fishpond management

M. ]¢~AWA.~IIMA,Y. TAINAKAo T. Horn, M. KOYAMA and T, TAr~MATSU

471

Phosphate adsorption onto hydrous manganese(IV) oxide in the presence of divalent cations

SHIGEKI MASUNAGA, Y(~H1KUN! URUSHIGAWAand Yo6HrrAKA YONEZAWA

477

Biodegradation pathway of o-cresol by heterogeneous culture. Phenol acclimated activated sludge

MrrsuMASA OKADA and Sm,~cm AIBA

485

Simulation of water-bloom in a eutrophic lake--IV. Modeling the vertical migration in a population of Microcysas aeruginosa

Cameral Papers J. A. THORNTON, K. L. COCHRA.'~, A. C. JAaVtS, T. ZOHAgY, R. D. ROBARTS and F. M. CHtrr~R

J. But,v-t~

xiii

K£1KO KATAYAMA-HIRAYAMA

491

Inhibition of the activities of fl-galactosidase and dehydrogenases of activated sludge by heavy metals

R. S. TOntN, P. EWAN, K. WALSH and B. DtrrK^

495

A survey of Legiondla pneumophila in water in 12 Canadian cities

A. J. NIIMI and V. PAL^ZZO

503

Biological half-lives of eight polycyclic aromatic hydrocarbons (PAHs) in rainbow trout (Salmo gairdneri)

CHARLES L. GALLEGOSand D.ANK R. SCXmSE

509

A device for the continuous measurement of algal photosynthetic response to light

W. M. WtEGANT, M. HENNINK and G. LETTINGA

517

Separation of the propionate degradation to improve the efficiency of thermophilic anaerobic treatment of acidified wastewaters

CHARLES N. HAAS and BARaARAHELLER

525

Statistics of enumerating total coliforms in water samples by membrane filter procedures

HILDE LEMMER

531

The ecology of scum causing actinomycetes in sewage treatment plants

MAY Y. TERASmMA, H. OZAKI and M. SEKINE

537

Removal of dissolved heavy metals by chemical coagulation, magnetic seeding and high gradient magnetic filtration

H i s ~ m YAMADA, MITSU KAYAMA, Kxzuo S ~ r o and MASAKAZUHARA

547

A fundamental research on phosphate removal by using slag

HmOmTSU SAKAI, YUTAKA KOJIMA and KAZUO SA1TO

559

Distribution of heavy metals in water and sieved sediments in the Toyohira River

RALPH W. MATTICSWS

569

Photo-oxidation of organic material in aqueous suspensions of titanium dioxide

P. D. ABEL and S. M. GARNER

579

Comparisons of median survival times and median lethal exposure time for Gammarus pulex exposed to cadmium, Permethrin and cyanide

R. DE LEON, S. N. SINGH, J. B. ROSE, R. L. MULLINAX, C. E. MU$IAL, S. M. KUTZ, N. A. SINCLAIR and C. P. GEKBA

583

Microorganism removal from wastewater by rapid mixed media filtration

J. BRYAN ELLIS, D. OWEN H~'u~OP

589

Hydrological controls of pollutant removal from highway surfaces

ROBERT E. STAUFFER

597

Linkage between the phosphorus and silica cycles in Lake Mendota, Wisconsin

ALICIAN V. QUINLAN

611

Optimum temperature shift for Nitrobacter winogradskyi. Effect of dissolved oxygen and nitrite concentrations

G. BARROIN and MAURICETrE FEUILLADE

619

Hydrogen peroxide as a potential algicide for Oscillatoria rubescens D.C.

ROLAND LEDUC, T. E. UNNY and EDWARD A. M C B F ~

625

Stochastic model of first-order BOD kinetics

R. NEUFELD, J. GREENFIELD and B. RIEDER

633

Temperature, cyanide and phenolic nitrification inhibition

MtKIO KJKUCm, AFAmRO TOK~a and TAMAO YOSmDA

643

Determination of trace levels of linear alkylbenzenesulfonates in the marine environment by high-pm'formance liquid chromatography

A. E. ZANONI

651

Characteristics and treatability of urban runoff residuals

N. J. HOGAN and P. SHAbr~tUGAN

661

Effects of starvation and nutrient depletion on the settling properties of activated sludge

O. GRI~TERUD and L. SMOCZYNSKI

667

Phosphorus removal from water by means of electrolysis

and D. MICHAEL REVITT

xiv

Comment ERIC A. REINER

671

Comment on "Control of Activated Sludge Filamentous Bulking--Vl. Formulation of Basic Principles" by J. Chudoba

J. CHUDOBA

671

Author's reply

JUNE J. L. COLIN, A. L. DUTOT, G. BABLON et R. Vm LE SAGE

675

Application de l'analyse des correspondances/t des r~sultats d'essais de traitement d'eaux de surface

K. J. KENNEDY and R. L. DROSTE

685

Anaerobic fixed-film reactors treating carbohydrate wastewater

GARY G. LEPPARD

697

The fibrillar matrix component of lacustrine biofilms

JOHN DAVENPORT, PETER OXFORD and AKINLABI AWOBAMISE

703

A study of the effectiveness of antifouling electrodes in the marine environment

J. M. CHAPSAL,M. M. BOURBIGOT and D. THOMAS

709

Oxidation of aromatic compounds by haemoglobin

N. J. D. GRAHAM

715

Orthokinetic flocculation in rapid filtration

MARLENE S. EVANS, GLENN J. WARREN and DONNA I. PAGE

725

The effects of power plant passage on zooplankton mortalities: eight years of study at the Donald C. Cook Nuclear Plant

LORENZO LIBERTI, NICOLA LIMONI, ANTONIO LOPEZ, ROBERTO PA~INO and GIANFRANCOBOARI

735

The 10m3h -t R I M - N U T demonstration plant at West Bari for removing and recovering N and P from wastewater

P. R. F. BELL, A. A. KROL and P. F. GREENFIELD

741

Factors controlling the leaching of major and minor constituents from processed Rundle oil shale

ULLA LUNDSTR(~M and AKE OLIN

751

Bromide concentration in Swedish precipitation, surface and ground waters

L. A. MOLOT,J, G. HAMILTONand G . M . BOOTH

757

Neutralization of acidic lakes: short-term dissolution of dry and slurried calcite

C. D. WREN and H. R. MACCRIMMON

763

Comparative bioaccumulation of mercury in two adjacent freshwater ecosystems

M. ROCH, P. McCARTER

771

Determination of no effect levels of heavy metals for rainbow trout using hepatic metallothionein

REIN OrSON, GORVON L. POLLEY and JOHN L. ROBERTSON

775

Chlorinated organics from chlorine used in water treatment

MARK WOOMBS LAYBOURN-PARRY

781

The role of nematodes in low rate percolating filter sewage treatment works

SENG CHYE ENG, X. A. FERNANDESand A. R. PASKINS

789

Biochemical effects of administering shock loads of sucrose to a laboratory-scale anaerobic (UASB) effluent treatment plant

EUN NAMKUNG and BRUCE E, RITTMANN

795

Soluble microbial products (SMP) formation kinetics by biofilms

Forthcoming Conferences

807

NOONAN and

and

J.

A.

JOHANNA

JULY M. G. SATCHWELL

813

An adaptation of concentration techniques for the enumeration of parasitic helminth eggs from sewage sludge

NETKAL M. MADE GOWDA, NORMAN M. TREFF and G. JOHN STANTON

817

Kinetics of inactivation of adenovirus in water by chloramine-T

JAAP DORGELO and PET A. HENGST

825

Two modifications of the quantitative hydraulic lift sampler for benthic invertebrates

A. C. EDWARDS, J. CREASEY and M. S. CRI~ER

831

Soil freezing effects on upland stream solute chemistry

XV

C. CASELLAS,G. CASSANAS,S. MATHONNET, G. BABLONet J. BONTOUX

835

Le carbone organique: son int6r6t dans le controle de la pr6ozonation

ZBIGNIEW LEWANDOWSKI

847

Biological reactor resistance to inhibition

M. TSEZOSand W. SETO

851

The adsorption of chloroethanes by microbial biomass

MORIHIRO AIZAKI, AKIRA OTSUKI and TAKAYOSHI KAWAI

859

Relationship between nutrient loading and phytoplankton standing crop in outdoor experimental ponds with continuous flow systems

ANDREW BOUSHER, PETER BRIMBLECOMBE and DEREK MIDGLEY

865

Rate of hypobromite formation in chlorinated seawater

J-C. JORET, A. HASSEN,M. M. BOURBIGOT, F. AGBALIKA,P. HARTEMANNet J. i . FOLIGUET

871

Inactivation des virus dans l'eau sur une filiere de production ~t ozonation 6tag6e

P. E. BERTRAMand A. S. BROOKS

877

Kinetics of accumulation of selenium from food and water by fathead minnows

HIDEHIKO ARAI, MICHIMASAARAI and AKIHISA SAKUMOTO

885

Exhaustive degradation of humic acid in water by simultaneous application of radiation and ozone

DOUGLAS A. HOLDWAY and D. GEORGE DIXON

893

Effects of methoxychlor exposure of flagfish eggs (Jordanellafloridae) on hatchability, juvenile methoxyehlor tolerance and whole-body levels of tryptophan, serotonin and 5-hydroxyindoleacetic acid

MILAGROS S. SIMMONSand RICHARD G. ZEPP

899

Influence of humic substances on photolysis of nitroaromatic compounds in aqueous systems

B. M. KHUDENKOand E. SHPlRT

905

Hydrodynamic parameters of diffused air systems

W. A. HOUSE,H. CASEY,L. DONALDSONand S. SMITH

917

Factors affecting the coprecipitation of inorganic phosphate with calcite in hardwaters---I. Laboratory studies

W. A. HOUSE, H. CASEYand S. SMITH

923

Factors affecting the coprecipitation of inorganic phosphate with calcite in hardwaters--II. Recirculating experimental stream system

Research Note PHILLIP M. FEDORAKand STEVEE. HRUDEY

929

Nutrient requirements for the methanogenic degradation of phenol and p-cresol in anaerobic draw and feed cultures

Technical Notes CrISRANBENGTSSON,MARVIND. PIWONIand ALF LUNDBERG

935

Ultrafiltration cell for sorption and biodegradation experiments

F. M. GERSlCH and M. A. MAY~

939

Acute toxicity tests with Daphnia magna Straus and Pimephales promelas Rafinesque in support of national pollutant discharge elimination permit requirements

AUGUST A. P. C. WARNER, G. A. Eg.AMAand G. V. R. MARAIS

943

The activated sludge process--IV. Application of the general kinetic model to anoxic-aerobic digestion of waste activated sludge.

G. AGGAZZOTTI and G. PREDIERI

959

Survey of Volatile Hatogenated Organics (VHO) in Italy. Levels of VHO in drinking waters, surface waters and swimming pools

BIRGIT SCHULTZ and PETER KJ'ELDSEN

965

Screening of organic matter in leachates from sanitary landfills using gas chromatography combined with mass spectrometry

H. SZWERI~SKI, E. ARVIN and P. HARREMOI~S

971

pH-decrease in nitrifying biofilms

H. BRATTEBOand H. ODEGAARD

977

Phosphorus removal by granular activated alumina

DAVID A. RECKHOW, BERNARDLEGUBE and PHILIP C. SINGER

987

The ozonation of organic halide precursors: effect of bicarbonate

MASAHIRO UCHIYAMA,YUH NAKAJ1MA and YASUMOTOMAGARA

999

Changes of trihalomethane formation potentials in the Tone River

xvi

Awmo~Y W. B ~ x , DAVID W. CARTWRIGHT, CATHERINE S. LOVATT and JANE M. WATTS

1005 A simple and inexpensive monitor for recording oxygen and temperature in lakes and reservoirs

L. SCI-DNARTZBROD and C. MATH1EU

1011 Virus recovery from wastewater treatment plant sludges

CHONGRAK POLPRASERT and H. S. PARK

1015 Effluent denitrification with anaerobic filters

WILLIAM F. McCoY and BL~rTY H. Or.soN

1023

Relationship among turbidity, particle counts and bacteriological quality within water distribution lines

DOUGLAS A. DOTSON, GEORGE R. HELZ and RICHARD SUGAM

1031

Mineralization of organic matter and other chemical effects of chlorination

K. SALONEN and L. ARVOLA

1041 Effect of added radiocarbon solution on primary production measurements

B. G. M. V.D. WETERING and S. GROOT

1045 Water quality monitoring in the state-managed waters of The Netherlands

KOlCHI FuJIE and HIROSh'I KUBOTA

1051 Power economy characteristics of an activated sludge aeration tank

P. J. RADVOnD and J, W i l t

1059 Models to minimize monitoring

RJ~ L. VAt~rcnr~, K.mK I. BI~NDT and CHAD T. JAFVERT

1067 A speetrophotometric study of the formation of an unidentified monochloramine decomposition product

A l o ~

1075

1st IAWPRC International Symposium and Exhibition, Systems Analysis in Water Quality Management, London, U.K., 30 June-2 July 1987

1076

Specialised Conference on Nitrogen Pollution of Water, Brussels, Belgium, 24-28 November 1987

SEPTEMBER Review Paper D~A J. PaCHXRDSand WEN K. SHaH

1077

Biological fate of organic priority pollutants in the aquatic environment

General P a ~ r s DLa/ENDRA S. BHAgGAVAand P, K. PANDE

1091

Specific deposit and models of horizontal counter-current filtration

C. M. A. ADEMOROTI

1105

Water purification by fluidized bed technique

P. J. CRAIG and P. A. MOREa'ON

1111 Total mercury, methyl mercury and sulphide levels in British estuarine sediments---III

J. HRUBEC, J. A. LUUTEN, W. C. M. M. LULrr~N and G. J. PInT

1119 A pilot plant study on water quality changes during groundwater recharge

D. J. McQtmEN, D. R. S. LEAs and M. N. CHARLTON

1129 The effects of hypolimnetic aeration on iron-phosphorus interactions

T. R. MXltT]N and D. M. HOLDICH

1137 The acute lethal toxicity of heavy metals to peracarid crustaceans (with particular reference to fresh-water asellids and gammarids)

I.C. MAcRAE

1149

J. ALBAIGES,F. CASADOand F. VENTURX

1153 Organic indicators of groundwater pollution by a sanitary landfill

KALLIAT T. VALSAS~, JIMMY L. PogT~, E. KltlSTINA LILIENFELDTand CHARLES SPRINGER

1161 Solvent sublation for the removal of hydrophobic chlorinated compounds from aqueous solutions

Axup K. St~OUPTA, DENNm CLIFFORD and SU~SH SUBRAMONIAN

1177 Chromate ion-exchange process at alkaline pH

Removal of chlorinated hydrocarbons from water and wastewater by bacterial cells adsorbed to magnetite

xvii

T. G. KOVACS and R. H. Voss

1185 Factors influencing the effect of bleached kraft mill effluents on drinking water quality

Research Note

C. B. J. GRAY and R. A. KIRKLAND

1193

Suspended sediment phosphorus composition in tributaries of the Okanagan lakes, B.C.

Technical Note A. D. CEMBELLA,N. J. ANTIA and F. J. R. TAYLOR

1197

The determination of total phosphorus in seawater by nitrate oxidation of the organic component

H. TED CHANG and BRUCEE. RITTMANN

1201

Comment on "Biofilm Cryopreparation for Scanning Electron Microseopy" by J. E. Alleman, E. K. Russell, W. L. Lantz Jr and R. F. Wukasch

JAMESE. ALLEMAN

1202

Author's reply

Forthcoraing CoMerences

1203

Comment

OCTOBER J. HEJZLAR and J. CHUDOBA

1209

Microbial polymers in the aquatic environment--l. Production by activated sludge microorganisms under different conditions

J. HEJZLAR and J. CHUDOBA

1217

Microbial polymers in the aquatic environment--II. Isolation from biologically non-purified and purified municipal waste water and analysis

J. CHUDOBA,J. HEJZLARand M. DOLE~AL

1223 Microbial polymers in the aquatic environment--Ill. Isolation from river, potable and underground water and analysis

WALTER P. BANASand JOHN B. SPRAGUE 1229 Absence of acclimation to parathion by rainbow trout during sublethal exposure I. ANESTISand R. J. NEUFELD

1233

SCOTT E. BELANGER,DONALD S. CHERRY and JOHN CAmNS JR

1243

JOHN F. MCCARTHY, BRAULIO D. JIMENEZ, GEORGE R. SOUTrP0VORTH, DOMINIC M. DffORO and MARSHA C. BLACK

1251

D. P. SARTORY

1255

Avoidence-preference reactions of rainbow trout (Salmo gairdneri) after prolonged exposure to chromium(VI) Seasonal, behavioral and growth changes of juvenile Corbicula

fluminea exposed to chrysotile asbestos Anomalous binding of organic contaminants may be artifactual due to radiochemical impurities

Membrane filtration enumeration of faecal clostridia and Clostridium

perfringens in water NIKOLA GETOFF

1261

Radiation induced decomposition of some chlorinated methanes in water

GEORGE M. AYOUB, SANG-ILL LEE and BEN KOOPMAN

1265 Seawater induced algal flocculation

JOSEPH YANG and R. E. SPEECE

1273 The effects of chloroform toxicity on methane fermentation

C. T. LI, O. J. HAO and K. P. HSUEH

1281 Starch waste treatment by the activated sludge system

G. D. LEwis, F. J. AUSTIN, M. W. LOUTIT and K. SHARPLES

1291 Enterovirus removal from sewage. The effectiveness of four different treatment plants

A. A. KROL, P. R. F. BELL, P. F. GREENFIELDand M. J. DUNSTAN

1299 Ion exchange properties of retorted Rundle oil shale

V. A. MHAISALKAR, R. PARAMASIVAM and A. G. BHOLE

1307 An innovative technique for determining velocity gradient in coagulation-flocculation process

PHILLIP M. FEDORAK, DEBORAH J. ROBERTSand STEVE E. HRUDEY

1315 The effects of cyanide on the methanogenic degradation of phenolic compounds

xviii

Research Note CHRISTON J. HURST and TAMARA GOYKE

1321

Technical Note JOHN J. WARWICK

1325 Diel variation of in-stream nitrification

Improved method for recovery of enteric viruses from wastewater sludges

NOVEMBER H. BENMOUSSA,G. MARTIN, Y. RICHARD et A. LEPRINCE~

1333 Etude de l'inhibition de la nitrification par les cations de m6taux lourds

DAVID NYAMAH and J. OBODAI TORGBOR

1341 Colorimetric method for the determination of arsenic in potable water

R. H. For

1345 Suppression of phosphorus release from lake sediments by the addition of nitrate

W. GUJER and M. BOLLER

1353 Design of a nitrifying tertiary trickling filter based on theoretical concepts

M. BOLLER and W. GUJER

1363 Nitrification in tertiary trickling filters followed by deep-bed filters

J. BLANC, J. M. AUDIC and G. M. FAUP

1375 Enhancement of Nitrobacter activity by heterotrophic bacteria

J.-P. EBENGA, M. IIVmENOTTE, J. POMm~Y, J.-P. CA'FrEAU et F. ERB

1383

J. G. FABRIS, K. A. SMITH, J. E. ATACK, G. Hv~rER and A. L. KILPATRICK

1393 Submersible integrating water sampler for heavy metals

T. U. AUALIITIA and W. F. DICKERING

1397 Anodic stripping voltammetric study of the lability of Cd, Pb, Cu ions sorbcd on humic acid particles

KUSlO NAKAIlMA

1407 Determination of particulate organic carbon in waters by the chemical oxidation method

J. VIVES-REGO, D. VAQI.~ and J. MARTiNEz

1411

Effect of heavy metals and surfactants on glucose metabolism, thymidine incorporation and exoproteolytic activity in sea water

L. V. PARKER and T. F. JENKINS

1417

Removal of trace-level organics by slow-rate land treatment

N. J. HORAN and C. R. ECCLES

1427 Purification and characterization of extracellular polysaccharide from activated sludges

WALTER J. WEBER JR, YU-DING CHIN and CLIFFORD P. RICE

1433 Determination of partition coefficients and aqueous solubilities by reverse phase chromatography--I. Theory and background

Yu-PING CHIN, WALTER J. WEBER JR and THOMAS C. VOICE

1443

Determination of partition coefficients and aqueous solubilities by reverse phase chromatography--II. Evaluation of partitioning and solubility models

1451

Biofilm loss during sample preparation for scanning electron microscopy

Technical Notes H. T. CHANG and B. E. RITTMANN

Structure et 6volution d'un mod61e d'acide humique sous l'effet de l'ozonation

M. J. MICKELSON, D. M. AXELRAD, A. R. LONGMORE and G. W. CRITCHLEY

1457 Inexpensive in situ time-integrating seawater nutrient sampler

R. J. DUTTON, GABRIEL BITTON and BEN KOOPMAN

1461

Application of a direct microscopic method of the determination of active bacteria in lakes

DECEMBER H. BENMOUSSA,G. MARTIN, F. TONNARD, Y. RICHARD et A. LEPRINCE~

1465

Etude de I'inhibition de la nitrification par les compos6s organiques

H. VAN LANGENHOVE, E. Wuvzs and N. SCHAMF

1471

Elimination of hydrogen sulphide from odorous air by a wood bark biofilter xix

M. JARRET, C. CAVELIERet C. DUCAUZE

1477 Caract6risation de la mati6re organique dissoute presente dans les eaux en tours d'altinage: influence des traitements appliqu6s et du climat

KEITH A. HUNTER and KWEE CHOO LEE

1489 Polarographic study of the interaction between humic acids and other surface-active organics in river waters

D. P. MILNE, J. C. CURRAN and L. WILSON 1493 Effects of sedimentation on removal of faecal coliform bacteria from effluents in estuarine water A, S. W. SPAN

1497 Optimization of the electron transport system (ETS) method for natural phytoplankton assemblages tested with some species of freshwater phytoplankton

JAN CHUDOBA, PAVELCHUDOBA and JAKUB S. ~ECH

1505

Effect of the endogenous phase duration on the maximum substrate removal rate in mixed cultures

Y. COMEAU, K. J. HALL, R. E. W. HANCOCK and W. K. OLDHAM

1511

Biochemical model for enhanced biological phosphorus removal

C. C. Ho and C. Y. CHAN

1523 The application of lead dioxide-coated titanium anode in the electroflotation of palm oil mill effluent

JOZSEF OLAH and PETERPRINCZ

1529 A new rapid method for determining sludge activity

MARTIN R. JEKEL

1535 Interactions of humic acids and aluminum salts in the flocculation process

MARTIN R. JEKEL

1543 The stabilization of dispersed mineral particles by adsorption of humic substances

KOHEI URANO and TAKAO TAKEMASA

1555 Formation equation of halogenated organic compounds when water is chlorinated

!. W. KOSTER, A. RINZEMA, A. L. DE VEGT and G. LETTINGA

1561 Sulfide inhibition of the methanogenic activity of granular sludge at various pH-levels

S. KUNIKANE,M. KANEKOand R. MAEHARA

1569 Variation of ATP content in Scenedesmus dimorphus cells grown in a chemostat culture and its comparison with chlorophyll-a content

MICHAEL A. LEWIS and BURT G. HAMM

1575 Environmental modification of the photosynthetic response of lake plankton to surfactants and significance to a laboratory-field comparison

C. G. CHOQUET, L. G. LEDUC and G. D. FERRONI

1583

Bacterial glucose mineralization in acid-stressed lake sediments

J. G. KUENEN, B. B. JORGENS~N and N. P. REVSnECH

1589

Oxygen microprofiles of trickling filter biofilms

Technical Notes B. G. WHITEHOUSE, G. PETRICK and M. EHRHARDT

1599

Crossflow filtration of colloids from Baltic Sea water

JANIS JANSONSand MARION R. BUCEN$

1603

Virus detection in water by ultrafiltration

Forthcoming Conferences

1607

XX

AUTHOR INDEX Abel P. D. 579 Ademoroti C. M. A. 1105 Agbalika F. 871 Aggazzottl G. 959 Aggett J. 283 A/ba S. 485 Aizakl M. 859 Albagnac G. 427 Albalges J. 1153 Albat M. 237 Alleman J. E. 1202 (AR) Altememi A. 435 Amar D. 9 Anestls I. 1233 Antia N. J. 1197 (TN) Applegath S. L. 317 Arai H. 885 Arai M. 885 Argaman Y. 173 Arvin E. 971 Arvola L. 1041 Atack J. E. 1393 Auallitla T. U. 1397 Audlc J. M. 9, 1375 Austin F. J. 1291 Awobamise A. 703 Axelrad D. M. 1457 (TN) Ayoub G. M. 1265 Bablon G. 675, 835 Bask N. H. 345 Baleux B. 237 Banas W. P. 1229 Bark A. W. 1005 Barroln G. 619 Bassous M. 267 Baudat R. 185 Belanger S. E. 1243 Bell P. R. F. 741, 1299 Bengtsson G. 935 (TN) Benmoussa H. 1333, 1465 Benolt-Guyod J. L. 67 Berthouex P. M. 369 Bertram P. E. 877 Bhargava D. S. i, 1091 Bhole A. G. 1307 Blno M. J. 435 Bitton G. 15, 1461 (TN) Black M.C. 1251 Blanc J. 1375 Boari G. 735 Boiler M. 1353, 1363 Bontoux J. 237, 835 Booth G. M. 757 Borgloli A. 273 Bourbigot M. M. 709, 871 Bousher A. 865 Bowers J. B. 67 Brandt K. I. 1067 Brattebo H. 977 Brlmblecobe P. 865 Brooks A. S. 877 Bucens M. R. 7 9 , 1603 (TN) Buffle J. 185, 443 Cairns Jr J. 1243 Campanella L. 63 Cardarelli E. 63 Cartwrlght D. W. 1005 Casado F. 1153 Casellas C. 835 Casey H. 917, 923 Cassanas G. 835

Catteau J.-P. 1383 Cavelier C. 1477 Cech J. S. 1505 Cembella A. J. 1197 (TN) Chan C. Y. 1523 Chang H. T. 1201 (C), 1451 (TN) Chapman T. W. 369 Chapsal J. M. 709 Charlton M. N. 1129 Chaudhuri M. 449 Cherry D. S. 1243 Chin Y.-P. 1433, 1443 Choquet C. G. 1583 Chudoba J. 671 (C), 1209j 1217, 1223, 1505 Chudoba P. 1505 Chutter F. M. 413 Cirilll L. 273 Clesceri N. L. 345 Clifford D. 1177 Cluckie I. D. 53 Cochrane K. L. 413 Colin J. L. 675 Comeau Y. 1511 Corder G. D. 301 Cosovic B. 295 Courtot-Coupez J. 325 Cowgi11 U. M. 317 Crabtree R. W. 53 Craig P. J. 1111 Creasey J. 831 Cresser M. S. 831 Critchley G. W. 1457 (TN) Crockett C. P. 53 C r o s b y D. G. 67 Curran J. C. 1493 Davenport J. 703 De Leon R. 583 De VeEr A. L. 1561 Deguin A. 221 DiToro D. M. 1251 Dixon D. G. 893 Dolezal M. 1223 Donaldson L. 917 Dore M. 197, 209, 221 Dorgelo J. 825 Dotson D. A. 1031 Droste R. L. 685 Ducauze C. 1477 Dunstan M. J. 1299 Dutka B. 495 Dutot A. L. 675 Dutton R. J. 1461 (TN)

E b e n g a J . - P . 1383 E c c l e s C. R. 1427 E d w a r d s A. C. 831 E h r h a r d t M. 1599 (TN) Ekama G. A. 943 E l k i n s B. V. 363 Ellis J. B. 589 Emmel H. W. 317 Erb F. 1383 Evans M. S. 725 Ewan P. 495 Fabrls J. G. 1393 Farrah S. R. 15, 145 Faup G. M. 9, 1375 Fedorak P. M. 113, 929 (RN), 1315 Fernandes X. A. 789 Ferreira E. 137 xm

Ferri T. 63 Ferroni G. D. 1583 Feuillade M. 619 Finch G. R. 105 Follguet J. M. 871 Forster C. F. 53 Foy R. H. 1345 Freeman M. C. 283 FuJle K. 1051 Gallegos C. L. 509 Garner S. M. 579 Garrlgan J. T. 247 Gerba C. P. 267, 583 Gersberg R. M. 363 Gersich F. M. 939 (TN) Getoff N. 1261 Goldman C. R. 363 Gosset T. 21 Gottschal J. C. 97 Goulder R. 85 Gowda N. M. M. 817 Goyke T. 1321 (RN) Graham N. J. D. 715 Granet C. 9 Gray C. B. J. 1193 (RN) Greenfleld J. 633 Greenfield P. F. 741, 1299 Groot S. 1045 Groterud O. 667 Gujer W. 1353, 1363 Guyon S. 197, 209 Haas C. N. 525 H a e r d i W. 443 Hall K. J. 1511 Hamilton J. G. 757 Hamm B. G. 1575 Hancock R. E. W. 1511 Hao O. J. 1281 Hara M. 547 Harremo~s P . 971 Harrop D. O. 589 Hartemann P. 871 Hassen A. 871 Hauchman F. S. 351, 357 Hawkes D. L. 453 Hawkes F. R. 453 Hefter G. 1393 HeJzlar J. 1209, 1217, 1223 Heller B. 525 Helz G. R. 1031 Hengst P. A. 825 Hennlnk M. 517 Hill N. P. 45 Hinman M. L. 255 (TN) Ho C. C. 1523 Holdich D. M. 1137 Holdway D. A. 893 Hopkins D. L. 317 Horan N. J. 661, 1427 Horl T. 471 H o m e r R. M. W. 215 House W. A. 917, 923 Hrubec J. 1119 Hrudey S. E. 113, 929 (RN), 1315 Hsueh K. P. 1281 Hunter K. A. 1489 Hurst C. J. 1321 (RN) Imbenotte M. 1383

Jafvert C. T. 1067 Jansons J. 79, 1603 (TN) Jarret M. 1477 Jarvis A. C. 413 Jarvis R. J. 215 Jekel M. R. 1535, 1543 Jenkins T. F. 1417 Jimenez B. D. 1251 Joret J.-C. 871 Jorgensen B. B. 1589 Kaneko M. 1569 Kaplan N. 131 Karthikeyan J. 449 Katayama-Hirayama K. 491 Kawai T. 859 Kawashima M. 471 Kayama M. 547 Kelley L. M. 267 Kennedy K. J. 685 Khudenko B. M. 905 Kikuchi M. 643 Killops S. D. 153, 167 Kilpatrick A. L. 1393 Kirkland R. A. 1193 (RN) Kjeldsen P. 965 Kojima Y. 559 Koopman B. 1265, 1461 (TN) Koster I. W. 1561 Kovacs T. G. 1185 Koyama M. 471 Kozarac Z. 295 Krol A. A. 741, 1299 Krom M. D. 463 Kubota H. 1051 Kuenen J. G. 1589 Kunikane S. 1569 Kutz S. M. 583 Kwee Choo Lee 1489 Lafrance P. 123 Laybourn-Parry J. 781 Lean D. R. S. 1129 Leduc L. G. 1583 Leduc R. 625 Lee P. L. 301 Lee S.-I. 1265 Legube B. 197, 209, 987 Lemmer H. 531 Leppard G. G. 185, 697 Leprince A. 1333, 1465 Leslie T. J. 255 (TN) Lester J. N. 45 Lettinga G. 517, 1561 Levy I. 311 Lewandowski Z. 847 Lewis G. D. 1291 Lewis M. A. 1575 Li C. T. 1281 Liao M. Y. 27 Liberti L. 735 Liljenfeldt E. K. 1161 Limoni N. 735 Lin C.-Y. 385 Ling T. F. 145 Longmore A. R. 1457 (TN) Lopez A. 735 Loutit M. W. 1291 Lovatt C. S. 1005 Lovett D. A. 421 Luijten J. A. 1119 Luijten W. C. M. M. 1119 Lund E. 37

Lundberg A. 935 (TN) LundstrSm U. 751 Lyon S. R. 363 Mac Rae I. C. 1149 MacCrimmon H. R. 763 Mackie R. I. 215 Madec C. 325 Maehara R. 1569 Magara Y. 999 Magarltz M. 131, 311 Malone R. F. 377 Marals G. V. R. 943 Martin G. 1333, 1465 Martin T. R. 1137 Martinez J. 1411 Masunaga S. 477 Mathieu C. I011 Mathonnet S. 835 Matsumoto J. 73, 385 Matthews R. W. 569 Mayes M. A. 939 (TN) Mazet M. 123 McBean E. A. 625 McCarter J. A. 771 McCarthy J. F. 1251 McCoy W. F. 1023 McFeters G. A. 91 Mclntyre A. E. 45 McKay G. 435 McQueen D. J. 1129 Mhaisalkar V. A. 1307 Mickelson M. J. 1457 (TN) Midgley D. 865 Milne D. P. 1493 Milner C. R. 85 Moletta R. 427 Molot L. A. 757 Moreton P. A. Iiii Mouchet P. 399 (R) Mullinax R. L. 583 Musial C. E. 583 Muslu Y. 259 Naghavi B. 377 Nakajima K. 233, 1407 Nakajima Y. 999 Nakamura K. 73 Namkung E. 795 Nanninga H. J. 97 Neufeld R. 633 Neufeld R. J. 1233 Nlimi A.J. 503 Nissen B. 37 Noike T. 73, 385 Noonan P. 771 Noss C. I. 351, 357 Nyamah D. 1341

O'Brien G. 283 Odegaard H. 977 Okada M. 485 Olah J. 1529 Oldham W. K. 1511 Olin A. 751 Olivierl V. P. 351, 357 Olson B. H. 1023 Olson S. B. 91 Otson R. 775 Otsuki A. 859 Oxford P. 703 Ozaki H. 537

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Page D. I. 725 Palazzo V. 503 Pande P. K. 1091 Paramasivam R. 1307 Park H. S. 1015 Parker L. V. 1417 Parthasarathy N. 443 Partos J. 9 Paskins A. R. 789 Passino R. 735 Paulson A. M. 247 Peck M. W. 453 Perry R. 45 Petrick G. 1599 (TN) Petronlo B. M. 63 Philipot J. M. 237 Pickering W. F. 1397 Picot B. 237 Piet G. J. 1119 Piwonl M. D. 935 (TN) Polley G. L. 775 Polprasert C. 1015 Pommery J. 1383 Porter J. L. 1161 Predieri G. 959 Princz P. 1529 Quentel F. 325 Quinlan A. V. 611 Radford P. J. 1059 Randtke S. J. 27 Reckhow D. A. 987 Relner E. A. 671 (C) Reinert K. H. 255 (TN) Revitt D. M. 589 Revsbech N. P. 1589 Rice C. P. 1433 Richard Y. 1333, 1465 Richards D. J. 1077 (R) Rieder B. 633 Rinzema A. 1561 Rittmann B. E. 795, 1201 (C), 1451 (TN) Robarts R. D. 413 Roberts D. J. 1315 Robertson J. L. 775 Roch M. 771 Rodgers Jr J. H. 255 (TN) Ronen D. 311 Rose J. B. 583 Saito K. 547, 559 Sakal H. 559 Sakumoto A. 885 Salonen K. 1041 Sartory D. P. 1255 Satchwell M. G. 813 Sato K. 385 Schamp N. 1471 Scheuerman P. R. 15 Schiebe F. R. 509 Schultz B. 965 Schwartzbrod L. i011 Seklne M. 537 Seng Chye Eng 789 Sengupta A. K. 1177 Seto W. 851 Shah D. O. 145 Shanmugan P. 661 Sharples K. 1291 Shieh W. K. 1077 (R) Shields P. A. 145 Shpirt E. 905

Simmons M. S. 899 Simon Ph. 221 Sinclair N. A. 583 Singer P. C. 987 Slngh S. N. 267, 583 Skilton J. M. 453 Small M. J. 335 Smith D. W. 105 Smith K. A. 1393 Smith S. 917, 923 Smoczynski L. 667 Southworth G. R. 1251 Span A. S. W. 1497 Speece R. E. 1273 Sprague J. B. 1229 Springer C. 1161 Stanton G. J. 817 Stauffer R. E. 597 Stevens D. K. 369 Subramonian S. 1177 Sugam R. 1031 Sugimitsu H. 197, 209 Suschka J. 137 Sutton M. C. 335 Szwerlnski H. 971 Talnaka Y. 471 Takahashi I. T. 317 Takamatsu T. 471 Takemasa T. 1555 Taylor F. J. R. 1197 (TN) Terashima Y. 537 Thevenot D. R. 21

Thomas D. 709 Thomes J.-C. 123 Thornton J. A. 413 TJatha V. 145 T o b i n R. S. 495 T o k a i A. 643 T o n n a r d F. 1465 T o r g b o r J . O. 1341 T r a n c a r t J . - L . 21 Travers S. M. 421 Trleff N. M. 817 Tsezos M. 851 Turbak S. C. 91 Uchiyama M. 999 Unny T. E. 625 Urano K. 1555 Urushigawa Y. 477 Valentine R. L. 1067 ValsaraJ K. T. 1161 Van Langenhove H. 1471 Van Rossum P. G. 277 Vaque D. 1411 Ventura F. 1153 Verrier D. 427 Victot, J. 221 Vie le Sage R. 675 Villessot D. 123 Vlves-Rego J. 1411 V o i c e T. C. 1443 V o J v o d i c V. 295 Voss R. H. 1185

xxiii

Walsh K. 495 Warner A. P. C. 943 Warren G. J. 725 Warwick J. J. 1325 (TN) Waters J. 247 Watts J. M.'I005 Weber Jr W. ~. 1433, 1443 West J. 1059 Wetering B. G. M. v.d. 1045 Whltehouse B. G. 1599 (TN) Wiegant W. M. 517 Wilson L. 1493 Woombs M. 781 Wren C. D. 763 Wuyts E. 1471 Yamada H. 547 Yang J . 1273 Yonezawa Y. 477 Y o s h i d a T. 643 Zanoni A. E. 651 Zepp R. G. 899 Zohary T. 413

AR C R RN TN

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