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Chementator: Feed sugar to these bacteria and they’ll produce hydrogen  

Azotobacter are nitrogen-fixing bacteria that do a useful job in soil by converting N 2 to ammonia. As a side reaction they also produce hydrogen, most of which they oxidize for their own energy consumption. In a project of the…

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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: PSA may compete with cryogenics for helium production

Apilot plant that uses pressure swing adsorption (PSA) to extract helium from natural gas has been started up and is operating successfully in India at the Kuthalam Gas Collecting Station of Oil and Natural Gas Corp. (ONGC; www.ongcindia.com). Normally, helium…

Chementator: This bead mill is efficient at making nanodispersions

A new grinder that combines large-bead (0.3 – 0.5 mm) milling and ultrasound to produce nanodispersions with relatively high concentrations has been developed by Inoue Manufacturing Inc. (Isehara; www.inouemfg.com), in cooperation with the National Institute of Materials Science (NIMS; Tsukuba,…

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Chementator: A new F-T catalyst  

A new metal carbide F-T catalyst has been developed by Oxford Catalysts Limited (Oxford, U.K., www.oxfordcatalysts.com) for making second-generation biofuel in small-scale microchannel reactors. The catalyst was produced using the company’s patented organic matrix combustion method, which makes it possible…

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Chementator: Microreactors

Ehrfeld Mikrotechnik BTS GmbH (EMB), a subsidiary of Bayer Technology Services GmbH (BTS; Leverkusen, Germany; www.bayertechnology.com), has signed a production-and-marketing agreement with Xytel Inc. (Spartanburg, S.C.; www.xytelcorp.com) to introduce microreactor technology in pilot plants for the oil and gas, chemical…

Focus On: Pipes & Fittings

Look here for an Easy, Sturdy Compressed-Air Piping System Newly available in 76- and 100-mm dia., SmartPipe is a modular, aluminum piping system boasting a low friction coefficient due to its smooth, calibrated construction. With its full-bore fittings and push-to-fit,…

Facts at your Fingertips: Valves

Gate Gate valves are designed to operate fully open or fully closed; When fully opened, there is very little pressure drop across the valve, and when fully closed there is good sealing against pressure. With the proper mating of a…

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Novel and Conventional Approaches to Sterilization

The techniques used for sterilization have a major impact on product quality and safety where pristine processing is needed The inactivation and elimination of bacteria are pressing issues in the chemical process industries (CPI) where high-purity conditions are needed. High…

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Chementator: A New Process for Making Solar-Cell-Grade Silicon Slated for Commercialization  

Chisso Corp. (Tokyo, Japan; www.chisso.co.jp) has established a new joint-venture (JV) company to produce solar grade silicon using a new process that was first developed by Chisso and subsequently refined, jointly, by the three JV partners: Chisso (50% share), Nippon…