Latest News: Technologies
Chementator: Improving leather
Last month, Lanxess AG (Leverkusen, Germany; www.lanxess.com) launched Levotan X-Cel, an polymer mixture based on expandable microcapsules, for retannage in leather processing. With a diameter of 5 – 20 µm, the microcapsules are small enough to penetrate into the collagen…
Chementator: A new method for catalyst design
A method for identifying less-expensive catalysts, compared to commercial, precious-metal-based ones, is starting to deliver results by researchers at the Center for Atomic-scale Materials Design, Dept. of Physics, Technical University of Denmark (CAMD; Lyngby; www.camd.dtu.dk) and their collaborators. The computer-aided…
Chementator: Decontaminate soil using electrons to make microbe’s meals
The Lawrence Berkeley National Laboratory (LBL; Berkeley, Calif.; www.lbl.gov) has developed a new xenobiotics bioremediation system that can be used to treat contaminated soil and water. Whereas conventional bioelectrical remediation methods rely on the addition of chemicals to provide electron…
Chementator: This graphene-based catalyst speeds cellulose saccrification, without H2SO4 waste
In order to make ethanol from cellulose, the polysaccharide must first be broken down into sugars (saccharrified) that can be fermented. Normally, this hydrolysis reaction is catalyzed by sulfuric acid or enzymes. However, H2SO4 -based hydrolysis generates spent acid, which…
Chementator: A process that requires less energy to treat sludge efficiently
A new activated-sludge-treatment process that promises to slash energy consumption is being developed by Sanki Engineering Co., Ltd., (Tokyo, www.sanki.co.jp), in cooperation with Ebara Corp., (Tokyo) and Touhoku University (Sendai, all Japan), and the support of NEDO (New Energy &…
Chementator: ‘Tiger’ promises to speed up bitumen recovery from tar sands
A microbial process originally designed to remediate soils contaminated with hydrocarbons has accelerated the recovery of bitumen from oil sands fivefold in bench-scale tests conducted at Savannah River National Laboratory (SRNL, South Carolina; srnl.doe.gov). The heart of the process is…
Chementator: Coal-to-Gasoline Process will Make U.S. Debut
Consol Energy Inc. (Pittsburgh, Penn.; www.consolenergy.com), the nation’s largest producer of bituminous coal, and Synthesis Energy Systems Inc. (SES, Houston, Tex.; www.synthesisenergy.com) have formed a joint venture to build a coal-to-gasoline plant near Benwood, W.Va., close to Consol’s Shoemaker complex.…
Chementator: An online particle analyzer for caustic slurries
Controlling particle size is critical in alumina processing, especially when alumina crystals are precipitated from Bayer liquor — a highly caustic solution where bauxite is dissolved to produce alumina. The ability to control the conditions of the precipitation process through…
Chementator: BP and Verenium team up on cellulosic ethanol technology
Verenium Corp. (Cambridge, Mass.; www.verenium.com) and BP p.l.c. (London; www.bp.com) have formed a partnership to accelerate the development and commercialization of Verenium’s technology for producing ethanol from cellulosic feedstocks such as sugarcane bagasse, switchgrass, rice straw and wood chips. In…
Chementator: PHAs from switchgrass
Metabolix, Inc. (Cambridge, Mass.; www.metabolix.com) has demonstrated, in recently completed greenhouse trials, that switchgrass plants engineered using the firm’s multi-gene expression technology produced significant amounts polyhydroxybutyrate (a polyhydroxyalkanoate; PHA) bioplastics in leaf tissues. The result is said to be the…