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Displaying 281 - 300 of 804 stories.
June 15, 2008
The chemical process industries (CPI) are subjected to countless environmental, health and safety (EH&S) regulations affecting the production, distribution and general use of chemical products. To add to the existing burden, new global initiatives related to product stewardship — most notably REACH and GHS (see box, Regulations 101, below) — are joining the regulatory fray. "REACH and...
http://www.che.com/news/Newsfront-Reaching-for-a-Solution_3939.html
June 15, 2008
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 developer, Shell Global Solutions (Houston, Tex.; edlinks.che.com/7373-531). This compares with about 20 ppm for selective catalytic reduction (SCR)...
http://www.che.com/news/Chementator-A-dynamic-way-to-reduce-NOx-emissions-from-FCCs_3955.html
June 15, 2008
This summer, Asahi Kasei Chemicals Corp. (AKCC; Tokyo, Japan; edlinks.che.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, Thailand. The $80-million investment...
http://www.che.com/news/Chementator-A-propane-based-AN-process-makes-its-commercial-debut_3956.html
June 15, 2008
Dupont (Wilmington, Del.; edlinks.che.com/7373-533) and its partner Genencor (Palo Alto, Calif.; edlinks.che.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...
http://www.che.com/news/Chementator-Cellulosic-ethanol_3957.html
June 15, 2008
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.che.com/7373-535), the Refractance Window (RW) system is said to cost about one third as much as freeze drying equipment, and consumes about one third to half the energy...
http://www.che.com/news/Chementator-Drying-at-the-speed-of-light_3958.html
June 15, 2008
Scientists from CSIRO (Melbourne, Australia; edlinks.che.com/7373-536) have succeeded in engineering the model plant Arabidopsis to produce 30 wt.% of vernolic acid, an unusual fatty acid (UFA), in its seed oil. The project’s leader, Allan Green — who presented the findings at the Fifth Annual World Congress on Industrial Biotechnology & Bioprocessing (Chicago, April 27 – 30) —...
http://www.che.com/news/Making-vegetable-plants-to-produce-useful-fatty-scids_3959.html
June 15, 2008
ExxonMobil Corp. (Irving, Tex.; edlinks.che.com/7373-537) plans to spend more than $100 million on a commercial demonstration of its Controlled Freeze Zone (CFZ) technology for removing carbon dioxide from natural gas. The plant, to be located at the company’s Shute Creek Treating Facility near LaBarge, Wyo., will...
http://www.che.com/news/Chementator-Scaleup-is-set-for-a-natural-gas-treating-process-that-freezes-out-CO2_3960.html
June 15, 2008
Nissan Chemical Industries Ltd. (Tokyo, Japan; edlinks.che.com/7373-538) is commercializing "ultrahighly active" catalysts, based on the catalyst technology developed by professor Yoshiharu Iwabuchi of the Graduate School of Pharmaceutical Sciences, Tohoku University (Sendai, Japan), which catalyzes the oxidation of alcohols into carbonyl compounds. Conventional catalysts, such as...
http://www.che.com/news/Chementator-A-commercial-breakthrough-in-alcohol-oxidation_3961.html
June 15, 2008
Soy-oil-based hydrogels developed by the U.S. Agricultural Research Service (ARS) show promise as biodegradable encapsulants for drug delivery. Scientists at ARS’ National Center for Agricultural Utilization Research (Peoria, Ill.; edlinks.che.com/7373-539) have collaborated with researchers at the University of Toronto to encapsulate the breast-cancer drug doxorubicin in hydrogel nanoparticles. In...
http://www.che.com/news/Chementator-Soy-polymers-may-have-a-future-in-drug-delivery_3962.html
June 15, 2008
Infrared (IR) analyzers are widely used for gas, liquid and surface analysis. Up to now, the most common and inexpensive IR sensor has been a combination of filters (non-dispersive IR) — which have a restricted wavelength band — with a pyroelectric detector; alternatives, such as Fourier transform (FTIR) spectrometers, require an elaborate optical configuration and tend to be expensive. Now, an...
http://www.che.com/news/Chementator-MIR-spectrometer-on-a-chip_3963.html
June 15, 2008
Petroleum refiners can have the option to produce more diesel fuel or propylene from their fluid catalytic crackers, depending on the demand, through a new process offered by Shell Global Solutions (edlinks.che.com/7373-541). The process enables a typical FCC (processing a large percentage of residual feed) to produce up to 19.3 wt.% light cycle oil (LCO, for diesel fuel) with 10 wt.% propylene, or about...
http://www.che.com/news/Chementator-Propylene-or-diesel-fuel-Just-change-the-controls_3964.html
June 15, 2008
At last month’s IFAT Trade Exhibition (May 5 – 9; Munich, Germany), Kemira Water (Helsingborg, Finland; edlinks.che.com/7373-542) introduced, H2S-Guard, a system that monitors, controls and protects against odor and corrosion in sewage networks. The system consists of H2S measurement devices that are placed in the sewer system to...
http://www.che.com/news/Chementator-Controling-corrosion-and-odor-from-sewers_3965.html
June 15, 2008
Kadant AES (Queensbury, N.Y.; edlinks.che.com/7373-543) has introduced a patented control technology for high-pressure positive-displacement (HPPD) pumps, which is said to be capable of...
http://www.che.com/news/Chementator-Smart-pump-control_3966.html
June 15, 2008
Researchers from the Organic Chemistry Dept. at Newcastle University (U.K.; edlinks.che.com/7373-544) have developed aluminium (salen) complexes that exhibit "exceptional" activity for catalyzing the synthesis of cyclic...
http://www.che.com/news/Chementator-Plastics-from-CO2_3967.html
June 15, 2008
Researchers at the Faculty of Engineering, Lund University (Sweden; edlinks.che.com/7373-545) have used nanotechnology to develop a transistor that is said to be 50 times more energy efficient that...
http://www.che.com/news/Chementator-Improved-transistor_3968.html
June 15, 2008
Honeywell Specialty Materials (Morristown, N.J.; edlinks.che.com/7373-546) has launched PowerShield PV325, a material that protects photovoltaic (PV) modules — including the critical components that convert sunlight into electricity...
http://www.che.com/news/Chementator-A-barrier-for-PVs_3969.html
June 15, 2008
TubeMaster, Inc. (Louisville, Ky.; edlinks.che.com/7373-547) has filed U.S. and foreign patents for Dog-leg — claimed to be the world’s first articulating catalyst-loading...
http://www.che.com/news/Chementator-Catalyst-loading_3970.html
May 15, 2008
    U.S. petroleum companies are investing in new domestic refining capacity on a scale not seen in decades. Over the next five years the industry will add more than one million bbl/d of distillation capacity (see table), according to the U.S. Department of Energy’s Energy Information Administration (EIA, Washington D.C.; www.eia.doe.gov). "It’s a step change in expansion,"...
http://www.che.com/news/Newsfront-A-Surge-in-U-S-Refining-Capacity_3855.html
May 15, 2008
Plant Watch New chlor-alkali plant scheduled for Kazakhstan April 23, 2008 — Uhdenora received a contract from AO "Kaustik" for a new membrane chlor-alkali plant to be erected in Pavlodar, Kazakhstan. The new plant will have a capacity of 91 m.t./d of sodium hydroxide and is scheduled to come on stream in May 2010. Metso to supply equipment for copper-ore project in Chile March 28, 2008...
http://www.che.com/news/Economic-Indicators-Business-News_3869.html
May 15, 2008
At last month’s CosmoProf exhibition (April 10 – 14; Bologna, Italy), VMI-Rayneri (Montaigu, France; edlinks.che.com/7372-531) introduced a new vacuum-injection process for dispersing powder-like solids into liquids or pastes during the production of cosmetics, pharmaceuticals, food or other chemical products. Normally, homogeneous dispersions are prepared by either circulation within the...
http://www.che.com/news/Chementator-A-New-Way-to-Make-Dispersions_3874.html
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