Water district breaks ground on ultrafiltration unit

Article Abstract:

The Olivenhain Municipal Water District in California has selected the ZeeWeed ultrafiltration membranes made by Zenon Environmental Systems for its new $30-million, 25 mgd ultrafiltration-membrane water treatment plant, which is the largest in the world. The ZeeWeed membranes uses a suction system, wherein water passes through a vacuum-type membrane that eliminates contaminants without using chemicals that conventional plants require. They also provide 6 log removal of Cryptosporidium and Giardia.

Canada, California, Use of materials & supplies, Zenon Environmental Systems

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Microwave propagation helps measure sludge density

Article Abstract:

With the help of university engineers, Toshiba Corp. produced a technique to measure sewage sludge by microwave propagation for the city of Tokyo. Dual wave shift measurements proved to be the best and can be installed anywhere in the system.

Other Electrical Equipment and Component Manufacturing, Electronics, Electronic Components and Accessories, Pollutants produced & recycled, Sewage Sludge Equip, Statistical Data Included, Methods, Product development, Toshiba Corp., Measurement, Electronics industry, Sewage sludge, Microwave measurements, Microwave measurement

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Microwave propagation helps measure sludge density

Article Abstract:

Toshiba develops the first microwave sludge density meter, for use in water treatment. The operation outlines the design and operation of the equipment.

Water supply, Sludge Stabilization Equip, Production management, Water utilities

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