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An activated carbon for picking up heavy metals

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…

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 . . . and from microorganisms

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…

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September Chementator briefs

Pharmaceuticals and agrochemicals often incorporate a fluorine atom within their molecular structure to improve properties, such as keeping the body from metabolizing a drug too rapidly. However, adding a fluorine to an aromatic ring at a late stage of the…

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New heating technique improves zeolite membrane performance

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…

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Pt-free catalysts promise to lower fuel-cell costs

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…

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An alternative to chlor-alkali

Earlier this year, NSR Technologies (Decatur, Ill.; www.nsr-tech.com) commercialized its patented process for producing potassium hydroxide (45–50 wt.%) and dilute hydrochloric acid via a membrane separations technology. The company’s flagship production facility in Decatur, Ill. is the first commercial application…

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A replacement for Cr+6

Aculon, Inc. (San Diego, Calif.; www.aculon.com) has developed a formulation of its proprietary SAMP technology (Self-Assembled Monolayer of Phosphate) that can be used as an alternative to hexavalent chromium used in primers and conversion coatings to increase the adhesion of…

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Chementator briefs for August

Bioplastics DSM Engineering Plastics (Sittard, Netherlands; www.dsm.com) has introduced EcoPaXX, a biobased, high-performance engineering plastic that is said to have a zero carbon footprint (100% carbon neutral from cradle to grave). Approximately 70% of EcoPaXX is made from building blocks…

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A silver-based antimicrobial

Pure Bioscience (El Cajon, Calif.; www.purebio.com) has developed silver dihydrogen citrate (SDC), the first antimicrobial approved by the U.S. Environmental Protection Agency (EPA; Washington, D.C.) in 30 years, with applications in the pharmaceutical, personal care, household, food and textile markets.…

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Scaleup for a downer FCC process

In October, Nippon Oil Corp. (Tokyo, Japan;www.eneos.co.jp) will start constructing a high-severity fluidized-catalytic cracking (HS-FCC) unit, the first in the world that can produce large amounts of propylene from heavy fuel oils. The unit, located at Mizushima Refinery (Kurashiki-City), will…