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CPI Water & Steam Chemistry

Careful control of water and steam chemistry at CPI facilities can pay off handsomely in reliable operation Sometimes lost in the hustle and bustle of production issues at chemical-process-industries (CPI) facilities is that high-purity water, and steam produced thereby, is…

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Chementator: Desalination barges based on reverse osmosis  

Transfield Services Ltd. (edlinks.chemengonline.com/7369-549) and WorleyParsons Ltd. (both North Sydney, Australia; edlinks.chemengonline.com/7369-550) have been selected to construct two mobile-desalination units (MDU) for contingency use in the Brisbane River. The project is expected to provide 100-million L/d of potable water at…

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Chementator: Save Space, Money and Water with This New Clarifier Process  

At Pollutec 2007 (Paris, France; November 27 – 30), Veolia Water Solutions & Technologies (Paris, edlinks.chemengonline.com/7368-531) introduced the next generation of its Actiflo clarifier process for potable and process water — Actiflo Turbo. Like its predecessor, the patented Actiflo Turbo…

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Chementator: New Zeolite Catalyst

Süd-Chemie Zeolites GmbH, a subsidiary of Süd-Chemie AG (Munich, Germany; edlinks.chemengonline.com/6902-539) has begun to expand its production plant for new specialty zeolites, and also construct a new wastewater processing plant, at its Bitterfeld site in Germany. The investment amounts to…

Japanese water-treatment filter enters U.S. market boasting no need to replace granular filter media — ever  

Last month at Weftec.07, the Annual Water Environment Federation Technical Exhibition and Conference in San Diego, Nihon Genryo Co., Ltd. (Kanagawa, Japan; edlinks.chemengonline.com/6901-534) launched for the first time to the North American market its Saito Tank, a granular water filtration…

Extracting HMs  

The latest issues of the J. of Separation Sci. and the J. of Colloid Interface Sci. report on a new material, nanostructured silica, which can be functionalized to extract heavy metals (HMs), such as mercury, lead, cadmium and zinc, from…

Wonderful wastewater

Click here for full pdf version of this article - includes all graphs, charts, tables, and author information   Wastewater may not be exactly wonderful, but it is certainly fashionable. The global market for industrial water and wastewater equipment is…

Strategies for Controlling Membrane Fouling

    Fouling is one of the most vexing problems in water-treatment systems that use membranes to remove suspended and dissolved particles. The deposition and accumulation of these substances on membrane surfaces inevitably lead to loss of performance for the…

The Green Revolution

    Kermit the Frog once said, “It isn’t easy being green.” While this may be true, industry is still making the effort. Both in the U.S. and abroad, processors are not only striving to produce environmentally friendly products, but…

A commercial debut for a new process that removes phosphates and nitrogen from wastewater

Paques B.V. (Balk, Netherlands; edlinks.chemengonline.com/6897-535) has developed a cost-effective biological process (flowsheet) for removing phosphates and nitrogen from wastewater. The first commercial installation to use the new process officially opened last month at Aviko (Steenseren, Netherlands), where it is treating…