The use of palladium on carbon powder supports (Pd-CP) has traditionally been a commercially viable means of catalyzing deprotection reactions, despite also requiring substantive quantities of precious metal and limiting the selection of solvents due to low hydrogenation activity. However,…
BASF SE (Ludwigshafen, Germany; edlinks.chemengonline.com/7374-542) has developed a new class of enzymes, called enoate reductases, which can be used for the asymmetric synthesis of chiral intermediates, such as esters and aldehydes. The modified biocatalysts, which the company has patented, are…
Chemists at Stanford University (Calif.; edlinks.chemengonline.com/7374-543) have constructed a field-effect transistor (FET) with graphene that can operate at room temperature. Previous graphene FET demonstrations have been performed at liquid helium temperature (4K). The researchers were able to make 10-nm wide…
Researchers at TU Delft (edlinks.chemengonline.com/7374-544) and the FOM Foundation for Fundamental Research on Matter (Utrecht, both Netherlands) have demonstrated the so-called avalanch effect, where a single photon of light can release more than one electron within a semiconductor crystal. The…
Industrial designer Tore Christian Bjørsvik at Sintef Health Research (Trondheim, Norway; edlinks.chemengonline.com/7374-545) has developed a safety helmet with a soft, flexible inner layer that instantly becomes a hard shock absorber if the helmet is subjected to impact. The helmet also…
TubeMaster, Inc. (Louisville, Ky.; edlinks.chemengonline.com/7373-547) has filed U.S. and foreign patents for Dog-leg — claimed to be the world’s first articulating catalyst-loading device that permits loading of single and multi-layer catalyst to any height or outage, regardless of reactor vertical-head…
A system for controlling oxides-of-nitrogen (NOx) emissions from catalyst regenerators in fluid catalytic crackers (FCCs) has cut NOx output to below 40 ppm (and as low as 25 ppm under certain conditions) in its first commercial installation, according to its…
This summer, Asahi Kasei Chemicals Corp. (AKCC; Tokyo, Japan; edlinks.chemengonline.com/7373-532) plans to begin construction on a plant for producing 200,000 m.t./yr of acrylonitrile (AN) and a plant for making 70,000 m.t./yr of methyl methacrylate (MMA), at Map Ta Phut, Rayong,…
Dupont (Wilmington, Del.; edlinks.chemengonline.com/7373-533) and its partner Genencor (Palo Alto, Calif.; edlinks.chemengonline.com/7373-534), a div. of Danisco A/S, plan to invest $140 million to integrate the pretreatment process and fermenting organism — developed with the National Renewable Energy Laboratory (NREL: Golden,…
After several years of proven operation in the food- and nutritional-products industry, a patented drying technology is now ready to be applied for any liquid or slurry product. Developed by MCD Technologies, Inc. (Tacoma, Wash.; edlinks.chemengonline.com/7373-535), the Refractance Window (RW)…