Papers to be presented and discussed at the technical and workshop sessions of the 6th conference of the International Association onWater Pollution Research, Jerusalem, 18–23 June, 1972

Papers to be presented and discussed at the technical and workshop sessions of the 6th conference of the International Association onWater Pollution Research, Jerusalem, 18–23 June, 1972

Water Research Pergamon Press 1972. Vol. 6, pp. i-ix. Printed in Great Britain. NOTICE SIXTH CONFERENCE ON WATER POLLUTION RESEARCH, 18-23 JUNE 1972,...

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Water Research Pergamon Press 1972. Vol. 6, pp. i-ix. Printed in Great Britain.

NOTICE SIXTH CONFERENCE ON WATER POLLUTION RESEARCH, 18-23 JUNE 1972, TO BE HELD AT THE BINYANEY HA'OOMA (The Convention Centre), JERUSALEM, ISRAEL Registration. A Registration Form is given at the end of this programme. Enquiries concerning registration ar.d conference arrangements should be addressed to: The Organizing Committee The 6th International Conference on Water Pollution Research P.O.B. 16271 Tel Aviv, Israel Programme. Enquiries concerning the technical sessions, presentation of papers or participation in the discussion of papers should be addressed to: Dr. S. H. Jenkins (Chairman, Programme Committee) c/o U p I ~ r Tame Main Drainage Authority 156/170, Newhall Street Birmingham B3 ISE, England

Preprints. Participants receive a complete set of preprints at the Registration Desk at the Convention Centre, Jerusalem, on 18 June 1972.

P A P E R S TO BE P R E S E N T E D A N D D I S C U S S E D A T T H E T E C H N I C A L

A N D WORKSHOP SESSIONS OF THE 6th CONFERENCE OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH, JERUSALEM, 18-23 JUNE, 1972

Day Monday, 19 June, 1972

Time Session 13.30 to 15.15

1

Title

Sdf.pur~/ication: Thermal pollution

Hall 'A' Paper No. !

2

Coffee 2

Self-purification: Metals in natural waters andplants

3

4

Tuesday, 20 June, 1972

8.30 to 10.15

3

Bacteriological aspects o f water quality

Morning sessions

5

6 10.15 to 10.45 | 0.45 to 12.30

Coffee 4

Workshop Session Panel 7 New Analytical Techniq u a Convlmor: D. JEtcgZ~ (U.S.A.

7

8 12.30 to 13.30

V. NOVOTNY (Czechoslovakia) P. K~NKZL

Subject Stream temperature response to thermal pollution

(U.S.A.)

Afternoon se.uinns 15.15 to 15.45 15.45 to 17.30

Authors

Lunch

i

Di$¢u~or: U. FASOLI(Italy) F. BEGGERand Predictions of temperature in streams W. ScHMrrz receiving thermal discharges by taring (FRG) a deterministic model and computer technique Discussor: A. GOUBET(France) W. STUMMand H. BtLmSgl (Switzerland) Discussor: F. DWrz (FRG) Discussor:

Trace metals in natural waters~ Difficulties of interpretation arising from our i~norance on their speciation To be announced The enrichment of heavy metals in submerged plants J . E . KEIL (U.S.A.)

M . T . PAVLOVA, Rapid asseSSment of water quality E, B~UV.~T$F . T . fluorescent anti-body identification of Bllzzr~gl and W, fecal streptococci L r ~ g y (U.S.A.) Discussor: R. MITCtIgLL(U.S.A.) N. BtrgAs and Y. A new approach in E. coil identiK o r r (Israel) flcafion Discussor: H. LZCL~C (France) K . A . MANCY Trace metal characterization by ano(U.S.A.) dic stripping voltammetry Discussors: H. SUNAHA~ (Japan) E . M . L g w (Canada) Y. KO~YASm (Japan) H . A . C . MoterGO- Some analytical aspca:ts of the beMi~.y (U.K.) havior of certain pollutants Discussnrs: H. SUNAH~U. (Japan) E . M . LEVY(Canada) Y. KOBAYASHI(Japan)

ii

Notice

Day Afternoon ~mions

Time Seasion 13.30 to 15.15

5

Title Algal Problems: Growth and control

Halt 'A' Paper No. 9

10 15.15 to

15.45

15.45 to 17.30

Wednmday. 21 June, 1972

8.30 to 10.15

Coffee 6

7

Morning u~ions

Workshop Se~ion Panel 13 Synthetic Detergentx Environmental Con.~lera. tlon$ Convenor: (~. E. EDEN (U.K.)

Workshop Session Panel 6 Waste-water Quality Criteria Coavanor: Do H. A. Pmcx (U.1L)

Authors

G. Slo2Jw. M. Prediction of photosynthetic biomus SCHWAaTZend H. production in accelerated algal bacSctmc~n'ut (Israel) terial waste water treatment systems Discussor: C . D . P ~ K e L (Australia) J. EREN (brawl) Effect~ of algal blooms on water quality in Israel National Water System Discussors: S . U . Hu~^l~."f (Australia)

11

N . g . AaTMAN Safety considerations for detergents (U.S.A.) Discussor~: E.J. HUDSON(U.K.) R . D . SW~Sh'~R(U.S.A) R. CAnRIDBNC (France)

12

F. MALZ (FRG) Discu,~ors: E. J. HUIXSON (U.K.) R. D. SW~ER (U.S.A.) R. CAmUDENC (France)

13

R. Pono• (U.S.A.) Wastewater Quality Criteria Discussor: M . C . GOLDSERG(U.S.A.)

14

K. ~ U D (Norway) Discussor:

10.15 to 10.45 10.45 to

D~tropkicatian and ecosystems

15.15 to ! 5.45 15.45 to 17.30

Thursday, 22 June, 1972

8.30 to 10.15

H. LEve.*crEg (Israel)

16

W.M.SA~ Ecosystem simulation for water poland J. W. FAt.CO lution re,earth (U.S.A.) Discussor~: W. NIZMITZ.I~RINGMANNand K0x-rN (FRG)

17

G. S ~ U . t r N D and Discharg~ from urban storm-water H. L ~ I N I ~ runoff, mixed Storm overflow and (Sweden) treated sewage I~scussor: 8. SOSEWITZ(U.S.A.)

18

D . H . WAt.tER (Canada)

Lunch 9

Storm-water sewage

Discussor:

Eutrophication control of T~Jmon reservoir by the Achlid Fish Tilapia anrea To be announced

Cost and performance of retention basins in the treatment of wetweather sewage flOWS G. AIN,SWOtU'H(U.K.)

Coffee 10

11

Oxidation ponds and a~rated lagoons

Manitorin8 pollution and teml~rature

19

O . D . BRocltl~rr Redox potential--A guide to oxidaand P. WI~IBY tion pond performance (New Zealand) Discussor: E . F . GLOYNA(U.S.A.)

20

W . W . ECKENA rational design procedure for ~n, C, D. aerated lagoons treating municipal MAGU and C . E . and industrial wustewaters ADAPt, Ja. (U.S.A.) Discussor: G . v . R . M~AIS (S.A.)

21

A. V W m R Monitoring water pollution--Tne (France) observation pint at Boran-sur-Oise Discussor: W . F . Lr~'~R (U.K.)

22

K . R . IMltm~ and D. Ahnl~c~rr ll~O) Discussor: To be

23

C. Ll!rROU (France)

effects on oxygen

transfer

Mot~. ing sesstons 10.15 to 10.45 10.45 to 12.30

Quality criteria for discharges to rivers, lakes and confined coastal waters M . C . GOLDSEn.G(U.S.A.)

15

Discussor:

Afternoon sas/ons

Effects of synthetic detergents on sewage treatm(mt, plants and rivers Synthetic detergent consfitnents and eutrophication Organic residues derived from synthetic detergents Biodegradability of non.ionic detergents

Coffee 8

12.30

12.30 to 13.30 13.30 to 15.15

Subject

Influence of temperature and turhulence on the oxygen transfer in water announced

Coffee 12

Water management: ttw/m/ca/and economic asl~CtS

Discussor:

Water management~technical and economic aspects French river basin agencies To be announced

Notice

Day

Afternoon session~

Time Session

12.30 to 13.30 13.30 to 15.15

15.15 to 15.45 15.45 to 17.30

Friday, 23 June, 1972

8.30 to 10.15

Title

Hall ' A ' Paper No.

Authors

Subject

24

O. NEDENES Water management---cost benefit (Norway) analysis Discussor: M.B. Pv.~ov (Thailand)

25

S.L. C H A N O Pathogenic frec-living amoebae and (U.S.A.) recreational waters Discussor : L. COIN (France)

26

A. PALH (Hungary) Discussor:

27

M. LANG (U.S.A.) Decision making in water pollution control programs Discussors: E. HALL (S.A.) K . R . IMHOFF(FRG)

28

J . F . SAGUO The potential role of effluent charges (France) and in water quality management J. GAtU~NCtmt Discussors: E. HALL (S.A.) K. R. IMHOW(FRG)

29

R . M . BnowN, A Water Quality Index--crashing the N . I . MCCLELLAND,physical barrier R . A . DEr~n~G~ and M. F. O'Cor,~on (U.S.A.) Discussor: To be announced

30

A . C . J . KOOT, Charging polluters for financing A.P. V l n ~ water pollution abatement and J. C. PLAS (Netherlands) Discussor: F. VALtROI~(France)

31

P . C . G . ISAAC Education and training for water (U.K.) pollution control Discussors: As Paper No. 32

Lunch 13

Pathogenic amoebae and survival o f enteroviruses

Coffee 14

15

Workshop Session Panel 1 Legal and Administrative Problems Convanor: B. HAWERMAN (Sweden)

Water quality measurement and control

Morning sessions 10.15 to 10.45 10.45 to 12.30

iii

Coffee 16

Workshop Session Panel 11 Training andF.ducatlon Convanor: A. WA¢~I (Israel)

Survival of enteroviruses during anaerobic sludge digestion O . J . SPROUL (U.S.A.)

32

L. H u I s M ~ Training situation in the Netherlands (Netherlands) Discuesors: E. J. MmDLEaltOOlU Manpower production capabilities and R. G. Sm~>vJt (U.S.A.) J. BRADY, W. Educational program for treatment CItOOKS, B. DENDy plant operators and K, KntmE (U.S.A.) S. l w ~ (Japan) Education for water pollution control in Japan and several Asian countries Adjourn for Farewell Reception by Invitation of President and Governing Board, immediately following the termination of the morning session.

Day

Monday, 19 June, 1972

Time

13.30 to 15.15

Session

I

Title

Growth rates and growths on rotating disks

Afternoon sessions 15.15 to ! 5.45 15.45 to 17.30

Hall 'B' Paper No.

Removal o/metals from wastewaters by reverseosmoslsaad adsorption

Subject

I

W. ToRPid', Effects of exposing slimes on rotating H. H~Ug.~J~KZAN, disks to atmospheres enriched with A . J . KAPLOVSKY oxygen and R. E p s ' r ~ Discussor: W . A . PRETOmUS(S.A.)

2

T . E . Pot.LO~ and Uncertainty in interpreting biological J . D . NORMAN growth rates (Canada) Discassor: E. TI~IJJ~ (France)

3

A. GOLOMe An example of economic plating (Canada) waste treatment by reverse osmosis Discussor: J. BERNAI~.D(France)

4

D . A . W~MS, F. F. Removal of chromates from pickling NOT~aAF~Tand liquors by adsorption on hydrous A. A. VANHAUTE ferric oxide (Belgium) Discussor: To be announced

Cofee 2

Authors

iv

Notice Day Tuesday, 20 June. 1972

Time Session 8.30 to 10.15

3

Morning sessions 10.15 to 10.45 10.45 to 12.30

Afternoon

sessions

12.30 to 13.30 13.30 to 15.15

Wednesday, 21 Jane. 1972

8.30 to 10.15

4

Optimizing activate sludge plants and biological storage

Use o f pure oxygen and contact stabllization

7

Aerobic sludge dlgeslion and solids concentration

Workshop Session Panel 4 Municipal Sewage Treatment: Problems o f Design, Operation and Maintenance Convenor: T. Kuao (Japan)

6

W . J . OSWALD Complete waste treatment in ponds (U.S.A.) Discussor: B. SLr.SS (Israci)

7

J . L . BARNAI~, Design optimization for activated W . W . ECI~Nsludge and extended aeration plants FELDEIt, A. K. UPADHYAYAand A. J. ENOLANVB (U.S.A.) Discnssor: To be announced

8

J . C . JA~UART. D. An attempt to take account of biol . ~ n ' r and J . M . logical storage in the mathe~natical R o v ~ (France) analysis of activated sludge behavior Discussor: D. OaHON (Turkey)

9

D . B . COH~ A low cost open tank pure oxygen (U.S.A.) syatem for high rate total oxidauon Discussor: D . A . OKUN (U.S.A.)

10

D. J ~ r N $ and The mechanism and design of the D. Ot~,HON(U.S.A.) contact stabilization activated sludge process Discussor: P . H . ]'oI~_.s(Canada)

11

S . D . BOKn, and Influence of mechanical blending on J . K . BBw'rRA ae~'obic digestion of waste activated (Canada) sludge Discolor: K. MUD~Cg: (FRG)

12

A . S . ANDm~ION A simulation model of the gravity and R. C. HANSON separation of concentrated solids (U.S.A.) Discussor: To be announced

13

E. SICKERT(FRG) Discussor:

S . H . DAr~'~ Aspect of sludge disposal in Greate (U.K.) London Discussor: G . C . WHr~ (U.S.A.)

i5

T. MATSUO (Japan)

Coffee 8

Effect of solids on o.vygen transfer and the relative costs o f treating industrial e~uents by btological and thermal processes

Cost relationship of biological and thermal processes for the treatment of industrial effluents To be announced

Lunch

9

Nutrient removal from municipal wastewater

17

18 15.15 to 15.45

J. LOHMANN (FRG) Discussor:

to

Effects of suspended solid concentralions on the structure of turbulence and the oxygen transfer mechanism in activated sludge W . C . BOYI.Zand J. A. MUELLER(U.S.A.)

Discusso~:

12.30 Afternoon sessions

The development and effect of construction and operation cost in biological sewage treatment plant W. TORPEY(U.S.A.)

14

16

13.30 13.30 to 15.15

Subject

C.D. P~r~t Low cost methods of waste water (Australia) treatment Discussors: F. and W. Engelbart (FRG)

Coffee 6

Authors

5

Lunch 5

Morning sessions 10.15 to 10.45 10.45 to 12.30

Workshop Session Panel 3 Low Cost Waste Treatment Systems Convenor: S. J. AnC~VALA (India)

Hail 'B' Paper No.

Coffee

15.15 to 15.45 ! 5.45 to 17.30

Title

Coffee

R . D . BARGMAN and W. F. G A a u a (U.S.A.) Discnssor: H. F ~

The control and removal of materlah of ecological importance from wastewaters in a major metropolitan area (U.K.)

P. DALC~and Practical comparison of the effiR. RtYrsCHI ciency of Fe* and AI for phosphate (Belgium) removal from municipal wastewater Discussor: P. Baouzr.~ (France)

Notice Day

Time Session

15.45 to 17.30

I0

Title

Mixin£ o f buoyant jets and numerical Fjord models

Hall 'B' Paper No.

v

Authors

19

P. L I S ~ (Norway)

Mixing of merging buoyant jets from a manifold in stagnant receiving water of uniform density Discussors: E. L. T~CKSTON and B. A. B~NEDICF (U.S.A.)

20

F. Sn4~NSEN and H. Mu~rrH~K&~S (Norway) Discussor:

Thursday, 22 June, 1972

8.30 to 10.15

11

Re.use water in Thailand and in South Africa

Morning sessions 10.15 to 10.45 10.45 to 12.30

Afternoon ses~ons

12.30 to 13.30 13.30 to 15.15

15.15 to 15.45 15.45 to 17.30

Workshop Session Panel 9 Renovation and Reclamation of Domestic and In. dastrlal Waste Waters Convenor: D. O. S'r~rHAN (U.S.A.)

Development of numerical Fjordmodels for the functional planning of a regional wastewater disposal system W . H . EsPEY (U.S.A.)

21

R . J . FI~ANKrd.and An Asian technological approach to A . S . SEVILLA water re-use Series filtration using (Thailand) local filter media Discnssor: I. TF.S~RiS: (Czechnslavakia)

22

L . R . J . VAN The full-scale refinement of purified VUIJ~N, J.W. sewage for unrestricted industrial use FUNKE and L. in the manufacture fully bleached SMrrH kraft-pulp and fine paper (South Africa) Discussor: M. R~ah'trN (Israel)

23

M . R . HZNZ~N, The current status of technological G . J . STANDERand development on water reclamation L . R . J . VAN VUUREN (South Africa) Discussors: As Paper No. 24

24

V. MADlflt^ TO be announced (Czechoslovakia) Discnssors: P. M. MIDDLETON (U.S.A.) H. GOMEZ (Mexico) D. TR.Lt~.N (U.S.A.) M. g.~croR (Israel) H. I4m~my.mAN (U.S.A.)

25

A . C . Tn.LMAN, W . E . GATES, L . L . WHrrm~cK and G. D. BErd~S (U.S.A.) Discussor: To be

26

A. L H. GAMESON, The aerobic Thames Estuary M. J. B~.~Err and J. S. S~waRm¢3~ (U.K.) Discnssor: To be announced

Coffee 12

Subject

Lunch 13

Ecosystem |ndexfor saline water and Improvement In the Thames Estuary

Formulation of the ecosystem pax'ameter index and role in the developmeat of a management program for the Lee Angeles Harbor announced

Coffee 14

Workshop Session Panel 8 Virus Problems in Wustewater Disposal Convenur: H. I. SHUVAL

27

G. BERG (U.S.A.) Discussor:

Reassessment of the virus problem in sewage and in renovated waters A . B . PALH (Hungary)

(Israel)

Friday, 23 June, 1972

Morning sessions

8.30 to 10.15

10.15 to

10.45

15

Groundwater poilu* lion

Coffee

28

E. LUND Inactivation of viruses (Denmark) Discussor: D . O . CLrV~ (U.S.A.)

29

C, S o ~ Groundwater pollution by nitrogen (Israel) compounds in Israel Discnssur: H . C . PZrOL (U.S.A.)

30

R . P . MA'rmm and Underground travel of pollutants N. S. Gm~VAL (India) Discussor: J. B~.ICA (Canada)

vi

Notice

Day

Time Session 10.45

16

to

12.30

Title Workshop Session Panel 12 Convertor: E . A . PgAIt~N (U.S.A.)

Hall 'B' Paper No. 31

32

Authors

Subject

To be announced To be announced Discussor: M. AUBEItT To be announced To be announced Discussors: M. Aumnrr (France)

Adjourn for Farewell Reception by [nvitation of President and Governing Board, immediately following the termination of the morning session.

Day Monday, 19 June, 1972

Time Session i 3.30 to 15.15

1

Title Disposal and d/spersion o f sewage in the ocean

Hall 'C' Paper No. 1

2

Afternoon sessions 15.15 to

Coffee

Authors

Subject

T. L ~ and An analysis of marine waste disposal J.B. M c G u m e in Southeast Florida's coastal waters (U.S.A.) Discussor: C . G . GU~RSON (U.S.A.) W . P . JAMES, D . J . Airphoto analysis of ocean outfall BAUMO,~TNe~ and dispersion F . T . BuKo~t~ (U.S.A.) Discussor: R.CHAPPEY(France)

15.45

15.45 to 17.30

2

Gaseous exchanges between (a) air and sewage in sewers (b) air and sewage in ponds

3

4

Tuesday, 20 June, 1972

8.30 to 10.15

3

Eutrophication studies

5

6

Morning sessions 10.15 to 10.45 10.45 to 12.30

Coffee 4

Oxidation pond studies and virus removal In wastewater reclamation

7

8 12.30 to

Lunch

D . K . B . TreSTLE- Composition of sewer air TtlWA'C'rz and E.E.GOL£D (Australia) Discussor: R . D . POD~mROY(U.S.A.) Y. FOLKMANand Nitrogen removal through ammonia A. M. WACtm release from holding ponds (Israel) Discussor: A . H . POT~N (U.K.) M. LANO and Eutrophication in Jamaica B a y ~ D. ECK~OFV manifestations control, and relation(U.S.A.) ships to water quality objectives Discussor: Mine. WUILTZAXLs'r (France) T . E . MALOt,rY, Use of algal assays in studying W.E. MILLmtand eutrophication problems N . L . BLIND(U.S.A.) Discussor: To be announced M . G . McG~tRY, Photosynthetic yields and by-proC . D . Lm and ducts recovery from sewage oxida* J . L . Mr~TO tion ponds (Thailand) Discu~sor: To be announced E . M . NuPIm and The virus problem in the Windhoek G. J. STANDER wastewater reclamation project (South Africa) Discussor: P.V. Sc.~PIso (U.S.A.)

13.30

Afternoon sessions

13.30 to 15.15

5

Viras Studies

9

10 15.15 to 15.45 15.45 to 17.30

Coffee 6

Control of pollution from mercury and recovery from pollution by mercur.v

T . G . M~TCALV, Concentration of viruses from seaC. WALL~ and water J . L . MSL~C:~ (U.S.A.) Discussor: G. BERG (U.S.A.) C. WM.LIS and A portable virus concentrator for use J. L. MIELNlC~ in the field (U.S.A.) Discussor: To be announced

11

J.C. HANSEN (Denmark)

12

Discussor: M. FunKI (Japan) Discussor:

Wednesday, 21 June, 1972 Morning se~Jions

8.30 to 10.15

7

Workshop Session Pasel 2 Problems o f Developing Court= tries and Arid Zones Convenor: G . SHELrAe

(Israel)

13

A method for environmental metcury pollution control in developing areas D . M . S H I N Y (U.S.A.) The transitional condition of Minamota Bay and the neighboring sea volluted by factory wastewater conraining mercury A. JEgNF.LOv(Dertmark)

R. PAVAN~LLO Considerations on water pollution (WHO) problems in developing countries (Switzerland) and G. J. MOHANRAO (India) Discussor: To be announced

Notice

Day

Time

Session

10.15 to 10.45 10.45 to 12.30

13.30 to 15.15

Hall "C' Paper N o .

Authors

G . V . R . MAI~JdS Sanitation and low cost housing (South Africa) Discussor: T o be announced

15

Y. FOLKMAN, T h e D a n Region large scale oxidaP. G. J. MInRING tion ponds and M. KglEM~R (Israel) Discussor: T o be announced

8

Applications of modeling

16

T. Sul~lsnl and A quality m a n a g e m e n t model for W. YOSHIKOSHI river and underground flow systems (Japan) Discussor: N. BURAS (Israel)

17

S. ALFI, Y. Mathematical model for the predicARGAt4AN and tion o f D O levels in the Alexander G. SHELEF (Israel) stream Discussor: T o be announced

18

J. GOLDSHMID, D. ZOHAR. Y. ARGAMAN and Y. KOTT (Israel) Discussor: To be

Lunch 9

Remo~'al o f bacteria in sand dunesand self-purification in sea water

19

A. PAOLET'r! (Italy) Discussor:

15.15 to 15.45 15.45 to 17.30

Thursday, 22 June, 1972

8.30 to 10.15

I1

Afternoon sessions

Activated carbon regeneration and nitrogen removal

Self purifying activity of sea water: Proposal for low COSt treatment of a well-defined area T o be announced

Treatment o f mixed industrial wastes and refinery andpetrochemical wastewaters

G . L . SHELL and Powdered activated carbon appliesD . E . Bum~s tion, regeneration and reuse in waste(U.S.A.) water treatment systems Discussor: J . M . CO•EN (U.S.A.)

21

W . A . PRETORIUS (South Africa) Discussor:

The complete treatment o f raw se,~a p with special emphasis on nitrogen removal T o be announced

22a

P. FARK^S (Hungary) Discussor:

Problems in the operation of plants treating mixed industrial wastes R. PORGES (U.S.A.)

22b

R . D . POMEROY and Self purification in sewers J . D . PARKHURST Discussor: R. PORG~ (U.S.A.)

23

D . L . FORD and M. A. BUERCKLIN (U.S.A.)

T h e interrelationship o f biologic.aicarbon adsorption systems for the treatment o f refinery and petrochemical waetewaters W . J . KAUrUAN (U.S.A.)

Coffee 12

Color remoralfrom wastewater and bio-physicochemical treatment

24

J. B£BIN, P. Color removal f r o m bleached kraft BOUL~'~GER and pulp wastewater J . C . BOURDELOT (France) Discussor: M. GOULD (U.S.A.)

25

W . J . WEBER, JR., Biologically extended physico-chemiL.D.PltlEDMAN and ca] treatment R. BLOOM, JR. (U.S.A.) Discussor: A . H . MOLOF (U.S.A.)

26

S. KINOSHITA and On the treatment o f polychlorinated T. SinbAD^ biphanyl in water by ionizing radia(Japan) tion Discnssor: G . E . EDEN (U.K.)

27

S. F u g t n , K. TANAKA and S. KANNO (Japan)

Lunch 13

PolycMorinated biphanyl treatment and methyl mercury infish tissues

Discussor: w . a . 6/3mH

announced

20

Discussor:

10.15 to 10.45

12.30 to 13.30 13.30 to l 5.15

Effect o f dissolved salts on the flits'ation o f col/form bacteria in sand dunes

Coffee I0

Morning sessions

10.45 to 12.30

Subject

14

Coffee

12.30 to 13.30 Afternoon sessions

Title

vii

Some improvements in the determination o f methyl mercury in fish tissues and s o m e data on the proportion o f methyl mercury to total mercury in fish tissues To be announced

viii

Notice

Day

Time

Session

Title

Hall ' C ' Paper N o .

Author

Subject

15.15 to

15,45 15.45 to 17.30

Friday, 23 June, 1972

8.30 to 10.15

Coffee

14

15

Workshop Session Panel 5 Municipal Sewage Treatment Problems of Sonall Communities: Packaged Treatment Plants Convennr : B. BALETfE (France)

Studies on digestion and denitrificatlon

Morning sessions 10.15 to 10.45 10.45 to t 2.30

28

B . L . GOODMAN Activated sludge treatment of small (U.S.A.~ waste volumes Discussor: To be announced

29

A . M . BRUCE a~ud Partial treatment o f domestic sewJ. C. MERKENS age by high rate filtration (U.K.) Discussor: To be announced

30

A . K . BAsu and Studies on mesophilic digestion ot E. L[cl,g~c beet molasses distillery waste water (Belgium) Discussor: F. P6VEL ( F R G )

31

R . N . DAWSON and Factors affecting biological denitriK . L . MuRt~P,' fication o f wastewater (Canada) Discussor: K . WUHRMANN (Switzerland)

32

R. MACK (FRG)

Coffee 16

Workshop Session Panel lOlndustrial Waatewaters Convertor: W . W . ECKENFELDER (U.S.A.)

Discussors:

33

Problems o f wastewater purification in the chemical pharmaceutical industry As Paper N o . 33

R . K . CHALMERS (U.K.) Discussors: H . EDOE (Finland) R. F. W E S T O N (U.S.A.)

Treatment o f inorganic liquid wastes Paper pulp wastewater treatment Petrochemical wastewater treatment

Adjourn for Farewell Reception by Invitation o f President and G o v e r n i n g Board, immediately following the termination o f the m o r n i n g session,