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Latest News: Technologies

Chementator: Taking Advantage of Landfill Gas    

Dow Chemical (Midland, Mich; www.dow.com) has started using a renewable energy source — methane from landfill gas — at its Dalton, Ga., plant where carpet latex is manufactured. As a result, carpet-backing products manufactured with the so-called Dow Lomax technology,…

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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…

Chementator: Plastics: A New Use for an Ethanol Coproduct    

Corn residue left in fermenters after ethanol production could find a future use as a filler in plastics through research being done at the U.S. Dept. of Agriculture’s North Central Agricultural Research Laboratory (Brookings, S.D.; www.ars.usda.gov). The granular residue, called…

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Chementator: More H2 from H2O  

QuantumSphere, Inc. (Santa Ana, Calif.; www.qsinano.com) has commercialized electrodes coated with the firm’s Nano NiFe catalysts for making hydrogen in water electrolyzers. Available in production quantities, the electrodes effectively increase the surface area used in commercial electrolysis by about 1,000…

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Chementator: Monitoring Fermentation  

Time consuming and prone to error, microscopy — the manual counting of yeast cells with a hemocytometer — has long been the primary method for determining the progress of ethanol fermentation. However, a new joint development agreement between Fluid Imaging…

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Chementator: A New Valve Seat  

Flowserve Corp. (Dallas, Tex.; www.flowserve.com) has introduced the Valtek Valdisk high-cycle seat, claimed to be a "breakthrough" seat design for Valtek butterfly valves. The new seat design is made of ultra-high molecular weight polyethylene, and offers an ANSI/FCI 7-0-2 class…

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Chementator: Tiny Buckyball Crystals    

Researchers at the University of Surrey (U.K., www.surrey.ac.uk) have discovered a method to make ultra-small, pure crystals of buckminsterfullerene (C60). Lozenge-shaped crystals can be made with widths of 80 nm — much smaller than the 400 nm minimum size predicted…

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Chementator: A new solvent  

The Dow Performance Fluids, a business of Dow Chemical Co. (Midland, Mich.; edlinks.chemengonline.com/7374-546) has introduced a new high-temperature cleaning solvent for cleaning polymer-process reactor vessels, pipelines, heat exchangers, pumps and other equipment impaired by polymer residue. Dow HT-Solve 515 —…

Chementator: A new route to ethanol  

Ethanol could be produced for less than $1/gal through a new process developed by ZeaChem, Inc. (Lakewood, Colo.; edlinks.chemengonline.com/7374-531). The company has piloted the process (flowsheet) and plans to start up a 1.5-million-gal/yr full-scale demonstration plant at the end of…

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Chementator: Algae to chemicals  

Last month, a Dutch consortium composed of Akzo Nobel (Amsterdam, Netherlands; edlinks.chemengonline.com/7473-549), energy firm Essent, algae producers Ingrepo and Wageningen University, received a 1-million grant to investigate the potential of converting algae into feedstock for the CPI. The four-year study…