A scaled-up version of an electrochemical cell with boron-doped diamond electrodes has been introduced, and the system treats wastewaters containing difficult-to-oxidize dissolved pollutants. Known as Diamox, the electrochemical oxidation cell was developed by Element Six (www.e6.com), a designer and manufacturer…
QGC’s water treatment plant at its northern coal seam gas fields near Wandoan in Queensland, Australia, was named Industrial Water Project of the Year at the annual Global Water Awards. The award represents the most impressive technical or environmental achievement…
The Dow Chemical Co. (Midland, Mich.; www.dow.com) has been awarded the prestigious U.S. Water Prize by the U.S. Water Alliance for its work in promoting and enabling more sustainable use and management of water by companies across the water value…
Activated sludge processes are inherently complex. Proper system design, operation and maintenance are essential to adequately break down target organic materials Since its discovery more than 100 years ago in 1914 by Ardern and Lockett [ 1 ], the activated…
Ecolab Inc. (St. Paul, Minn.; www.ecolab.com), a global leader in water, hygiene and energy technologies and services, has changed the name of Nalco — its water and process services business — to Nalco Water (nalco.ecolab.com). The new name more…
This past December marked the dedication of the largest seawater desalination plant in the U.S. The Claude “Bud” Lewis Carlsbad Desalination Plant, named for the former Carlsbad, Calif. mayor who was instrumental in choosing the location, is designed to provide…
A convenient route for the fabrication of a bio-mimetic, coral-like nanoporous γ-Al2O3 with a higher capacity to adsorb Hg(II) in aqueous solution than those of commercial Al2O3, has been reported by a research group from Anhui Jianzhu University (Hefei City,…
Copper and cadmium exist naturally in the environment, but human activity can increase their concentrations to a point where they become a health hazard. Conventional wastewater treatment to remove those metals includes chemical precipitation, coagulation, flocculation, ion exchange, membrane filtration,…
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The first full-scale installation of a unique bioelectrochemical wastewater-treatment system was recently started up at a California brewery. The system, known as the EcoVolt Reactor, was developed by Cambrian Innovation Inc. (Boston, Mass.; www.cambrianinnovation.com). EcoVolt Reactor is a microbial reactor…