US Filter's Middle Eastern growth

US Filter's Middle Eastern growth

US Filter’s Middle Eastern growth US Filter Corporation has agreed to purchase two Middle Eastern companies significantly enhance the companfs ...

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US Filter’s Middle Eastern growth US Filter Corporation

has agreed to purchase

two Middle

Eastern

companies

significantly

enhance the companfs

which

will

presence

in this region of the world.

The transactions include the purchase of a controlling interest in Riyadh-based Metito Arabia Industries, a Saudi Arabian water and wastewater treatment company with annual sales of approximately US$50 million. In addition, a letter of intent has been signed for a joint venture with Commercial International Bank of Cairo, Egypt’s largest private sector bank, to finance drinking water and wastewater treatment systems for cities and hotels throughout Egypt and the Middle East. US Filter claims that Metito has installed more sea water and brackish water reverse osmosis and desalination systems than any other company in the world. US Filter believes its controlling interest in Metito, combined with its international acquisitions of Permutit, in February 1996, Polymetrics, in October 1995, Bekox of Spain, in November 1995 and the recent acquisitions of Culligan’s operations in the Middle East and Europe, give the company the largest installed base of desalination equipment and services in the world.

iquld membrane (SLM) will separate two iquid phases - one containing waste and the )ther a liquid to which the specified metal ions vi11 be extracted. The ionophores will electively transport a specified metal ion hrough the intervening liquid layer to give a lure solution of the metal ion that is easily :oncentrated. In the second, metal ion ransport and entrapment in surfactant vesicles vi11 be developed using the new ionophores. ieparation of the vesicles will leave a pure metal on solution. According to the researchers at Sandia, these :xtraction technologies will offer convenient lew means of separation and extraction for Jrocessing MO-99, decontamination and iecommissioning, radioactive waste .emediation, and heavy metal waste stream reatment. It is said that the initial focus area will be higheve1 waste tank remediation of heat and gamma :mitters (I37Cs and 90Sr), long-lived .adionuclides (99Tc), and other metal ions :ontained in high- and low-level waste. The .esearchers believe that ion-extraction :echnology with designed ionophores leads to ncreased sustainability and lower cost and :omplexity of manufacturing processes. -or further information contact: John jhelnutt, Catalysis and Chemical Technologies Iepartment,

6210 Sandia National

+ inR

*-

air

omething resembling a sewage farm taking up aluable production area. The system provides a cost effective solution s the separated water is of a quality that can be eused as a process feed or discharged to a water ourse. Stork Membrane Bioreactors can be pplied to chemical industrial waste, landfill Eachate, nitrogen and ammonia rich waste water nd other wastes with a high organic oncentration. Announcing the Stork move Tony Robinson aid, “The environmental issue is now at the brefront of industry, However, the reason for ncreased interest is one of money and profit. vlore companies are choosing to handle their bwn waste rather than face paying an ever ncreasing disposal bill.”

_aboratories, P.O. Box 5800, MS-071 0, For further

information

contact:

US Filter,

Vbuquerque,

NM 87185-0710,

USA. Tel: +I

505 844 8856; Fax: +I 505 854 9500

40-004 Cook St., Palm Desert, CA 92211, USA. Tel: +I 760 340 0098; Fax: +I 760 341

Stork unveils membrane bioreactor

Researchers

at Sandia National

in New Mexico, materials separation transport

and

USA,

and extraction

for

1998 Eurochem UK,

new

metal-ion

based on selective

of ions using liquid membranes.

According to Sandia, it is thought that by using molecular simulations, a new group of porphyrin-based ionophores (molecular ioncarriers) can be designed for selectivity in complexing metal ions and other transport properties, such as solubility in organic or aqueous membranes. Selectivity will be designed into the carriers, using molecular simulationguided synthesis, by controlling basicity, shape, and size of the ionophore. It was reported that sandwich/clamshell ionophores will be designed specif&lly for extraction of heavy metals and radio nuclides. Promising ionophores will be synthesised and tested for application in two different membrane systems. In the first, a supported

MembraneTechnology No. 99

to

bioreactor

Laboratories

are investigating

processes

The UK arm of Stork Engineering Exhibition

introduce designed

Efficient and cleaner

used the

in Birmingham,

its

latest

for

the

treatment

membrane economically of effluent

contact:

information

ingineering,

9368.

lonophores for liquid membrane metal extraction

:or further

Stork

Protech House, 5 Rockingham

toad, Uxbridge, Middlesex, UB8 2UB, UK. Tel: -44 1895 27 27 24; Fax: +44 1895 25 63 67. -eel:01895 272724.

US$7.9 M order for fuel cell power plants World leader in proton

exchange

membrane

Lel cells, Ballard Power Systems of Canada,

waste.

Ias announced

Stork reports that its MBR, a major departure !rom conventional biological treatment systems, -elies on low diameter aeration vessels where the %ologicaJ activity takes place. It has dispensed Nith large basins and the equally large Sarification/separation tanks where the activated sludge is separated from the cleaner effluent water. Stork says that membranes with a pore ;ize varying from 1.0 - 0.001 pm are used by this system excluding bacteria and viruses as well as suspended solids. According to Stork, the introduction OI pressurised reactors also means higher solubiliq thereby accommodating more bacteria which art responsible for digesting the effluent. Mort bacteria means small volume retentions and faster processing. The use of a membram separation process results in a neat and tidy chemical engineering process rather than

Generation nillion

that

Systems

(US$

7.9

its subsidiary has received M)

order

Ballard a C$ll.G

from

GEC

Usthom for four 25OkW class natural gas fuel :ell power plants.

These power plants will be part of a series of ield trial units manufactured by Ballard ;eneration Systems and delivered during I999 tnd 2000. It was reported that Ballard Power iystems will supply the fuel cells for all power plants. According to Ballard, the purchase of these four field trial units will allow GEC Alsthom and its customers to gain a greater understanding of PEM fuel cell power plant operations. This order is an important event for Ballard Generation Systems as it evolves from product development to manufacturing of stationary power plants for commercial use. Ballard has similar orders for trial power plants from GPUI,

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