The use of residual sludge from municipal sewage plants as fertilizer in agriculture is controversial (due to heavy metals and other pollutants), and slurry can no longer be disposed of in landfills in many countries. A less expensive alternative to…
The Agricultural Research Service (ARS, Beltsville, Md.; www.ars.usda.gov) has received a patent on a process for producing activated carbon from poultry litter, which consists of bedding materials such as sawdust and peanut shells, along with droppings and feathers. U.S.-grown broiler…
A wastewater treatment process that consumes less energy, produces less sludge and makes available up to 75% of the water for reuse — including that of potable water quality — has been commercialized by Linde Gases, a division of The…
A team from Monash Institute of Pharmaceutical Science at Monash University (Melbourne, Australia; www.pharm.monash.edu.au), has developed an approach — a hybrid mixing and milling process — for producing fine (1–20 µm) pharmaceutical powders with good flow and de-agglomeration properties. Team…
New industrial process-optimization software can be fully operational in seven days — months ahead of existing predictive monitoring systems, according to Slipstream Software (Alpharetta, Ga.; www.slipstreamrpm.com). The company’s proprietary data-modeling tools are responsible for the reduced setup time. By mining…
Over the past few weeks there has been a number of announcements on projects aimed to further develop algae-to-fuels technology (see also, “Pond Strength,” CE, September 2008, pp. 22–25). Plankton Power (Wellfleet; www.planktonpower.com) and the Regional Technology Development Corp. of…
Last month, BP Corp. (London; www.bp.com) signed a joint-development agreement with Martek Biosciences Corp. (Columbia, Md.; www.martek.com) to work on the production of microbial oils for biofuels applications. The two companies aim to establish proof of concept for large-scale, cost-effective…
Adding a rapid heat-treatment step to the process of making zeolite membranes improves separation performance by eliminating grain boundary defects, according to researchers from the University of Minnesota (UMN; Minneapolis, Minn.; www.umn.edu), who published their study in the July 31…
Showa Denko K.K. (Tokyo; www.sdk.co.jp/html/english) has developed a platinum-substitute catalyst system for polymer electrolyte fuel cells (PEFCs) under the New Energy and Industrial Technology Development Organization’s (NEDO; Kawasaki, Japan) project led by professor Kenichiro Ota of Yokohama National University. The…
A wastewater treatment process that consumes less energy, produces less sludge and makes available up to 75% of the water for reuse — including that of potable water quality — has been commercialized by Linde Gases, a division of…