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Displaying 501 - 520 of 804 stories.
June 1, 2007
The standard way to produce ethanol from agricultural waste involves acid hydrolysis to convert hemicellulose to glucose, which is then fermented to obtain ethanol. However, cellulose in the waste is not converted, so cellulase enzymes are generally used to hydrolyze the cellulose to fermentable sugars, a slow and costly process. Researchers at the U.S. Dept. of Agriculture’s...
http://www.che.com/news/Coproduction-of-cellulose-acetate-promises-to-improve-the-economics-of-ethanol-production-_3265.html
June 1, 2007
A process that promises to improve the economics of ethanol production by coproducing a marketable adhesive is being developed by the USDA's Dairy Forage Research Center (Madison, Wis.; edlinks.che.com/6896-534). Another benefit is that ethanol is made from cellulosic material in a single reactor, rather than the normal two-step method of breaking down cellulose to obtain glucose, then fermenting the...
http://www.che.com/news/-and-these-bacteria-coproduce-ethanol-and-glue_3266.html
June 1, 2007
Polylactic acid (PLA) is a commercially available biodegradable polymer used in many nonfood products as an alternative to petrochemical-derived polymers. However, PLA's physical properties limit its use in many applications. Scientists at the USDA’s Eastern Regional Research Center (ERRC; Wyndmoor, Penn....
http://www.che.com/news/Improving-the-biodegradability-of-plastics-with-whey-based-ingredients_3267.html
June 1, 2007
A new technology to sink and store carbon dioxide deep in the ocean is being developed by the National Maritime Research Institute (NMRI; Tokyo; edlinks.che.com/6896-536), in cooperation with the National Institute of Advanced Industrial Science & Technology (AIST; Tsukuba), and IHI Marine United Inc. (Tokyo, all in Japan). The Cosmos project (CO₂ sending technology for ocean storage) is being...
http://www.che.com/news/A-Japanese-project-to-sequester-CO2_3268.html
June 1, 2007
A scalable process for growing arrays of very-long, multiwalled carbon nanotubes (CNTs), is being developed by researchers at the University of Cincinnati (Ohio; edlinks.che.com/6896-537), in cooperation with FirstNano, a div. of CVC Equipment Corp. (Ronkonkoma, N.Y.; edlinks.che.com/6896-538). The process uses FirstNano’s EasyTube CNT system, which performs chemical-vapor...
http://www.che.com/news/Making-very-long-carbon-nanotubes_3269.html
June 1, 2007
ConocoPhillips LP (CP; Houston, Tex.; edlinks.che.com/6896-539) and Tyson Foods, Inc. (Springdale, Ark.) have formed an alliance to use beef, pork and poultry by-product fat to create renewable-diesel (RD) fuel that burns cleaner than conventional diesel. The production technology uses a thermal depolymerization (TDP) process developed by CP that co-processes animal fat (supplied by Tyson) with hydrocarbon...
http://www.che.com/news/A-step-closer-to-a-next-generation-renewable-diesel-fuel_3270.html
June 1, 2007
Researchers at the University of Warwick (edlinks.che.com/6896-540) and Leicester University (both U.K.) have used artificial nasal mucus to significantly enhance the performance of odor-sensing devices (electronic noses), which are used for quality control in, for example, the food industry. By coating the sensors with a mix of polymers that mimics the action of the mucus in a natural nose, the electronic...
http://www.che.com/news/This-runny-nose-works-better-than-a-dry-one_3271.html
June 1, 2007
NASA Goddard Space Flight Center (Greenbelt, Md.; edlinks.che.com/6896-541) invites companies to license a new non-destructive test (NDT) method for evaluating the degree of cure, variations in chemical composition and defect states in resin-based composites and metal oxides — data that is currently...
http://www.che.com/news/A-new-NDT-for-composites_3272.html
June 1, 2007
Scientists at the Universitat Autònoma de Barcelona (UAB; Spain; edlinks.che.com/6896-542), in cooperation with the Institute of Chemical and Environmental Research (CSIC), have developed an electrochemical biosensor that can detect atrazine — a widely-used herbicide...
http://www.che.com/news/Food-contamination-sensors_3273.html
June 1, 2007
Saudi Basic Industries Corp. (Sabic; Riyadh, Saudi Arabia, edlinks.che.com/6896-543) has...
http://www.che.com/news/GE-Plastics-to-Sabic_3274.html
June 1, 2007
Huntsman Corp. (Houston, Tex.; edlinks.che.com/6896-545) plans to commercialize a process for making propylene glycol (PG) from glycerin, a byproduct of biodiesel production, and will make the product...
http://www.che.com/news/Propylene-glycol_3275.html
June 1, 2007
Researchers from the Georgia Institute of Technology (GIT; Atlanta; edlinks.che.com/6896-547) and Xiamen University (China) have produced a new form of platinum: 24-faceted nanocrystals whose catalytic activity per unit area can be as much as...
http://www.che.com/news/More-precious-Pt_3276.html
June 1, 2007
Nova Chemicals (Pittsburgh, Pa.; edlinks.che.com/6896-548) has launched Arcel, a new foam resin that enables retailers to reduce the cube size of packaging...
http://www.che.com/news/A-new-packaging-foam_3277.html
June 1, 2007
Lonza Group Ltd. (Basel, Switzerland; edlinks.che.com/6896-549) plans to start large-scale production of antibody drug conjugates...
http://www.che.com/news/Antibody-drug-pair_3278.html
June 1, 2007
Last month, Metso Automation (Helsinki, Finland; edlinks.che.com/6896-550) launched the Neles RotaryGlobe control valve, which is said to combine the best features of linear- and rotary-valve technologies into a new design. The body of...
http://www.che.com/news/A-new-control-valve_3279.html
June 1, 2007
Last Month, Bayer Innovation GmbH (Leverkusen, Germany; edlinks.che.com/6896-551) started a pilot plant for producing a bioresorbable wound dressing in sufficient quantities to enable...
http://www.che.com/news/Wound-dressing_3280.html
June 1, 2007
The Shenhau Group (China) and the Dow Chemical Co. (Midland, Mich.; edlinks.che.com/6896-552) signed a cooperative agreement last month and plan to study the feasibility for building a world-scale coal-to-chemicals complex in Shaanxi Provence, China. The study is...
http://www.che.com/news/Dow-cooperations_3281.html
June 1, 2007
    Environmental regulations, the economy, an aging infrastructure and the always growing demand for energy are well-known factors driving the need to reshape today’s power generation industry. But how the pending changes will impact the chemical process industries (CPI) may come as a surprise. Once new technologies such as clean coal and advanced nuclear come online, end users in the CPI...
http://www.che.com/news/The-Evolution-of-Power_3326.html
May 1, 2007
    A feeder for both batch and continuous operation Available in 7 models with feedrates from 1 to 550 ft3/h, the Better-Weigh Feeders (photo) are designed to provide feeding in either batch or continuous mode, depending upon the arrangement of the unit’s control electronics. In batch mode, the controller is used to control the fast (bulk) and slow (dribble) speeds of the feeder...
http://www.che.com/news/Solids-Processing_3156.html
May 1, 2007
When a 300,000-m.t./yr plant starts up in 2010 at Bayer’s integrated site in Shanghai, China, it will be the first world-scale application of a new process for producing toluene diisocyanate (TDI) developed by Bayer MaterialScience AG (BMS; Leverkusen, Germany; edlinks.che.com/6895-531). The new process, which was described by BMS’s head of the Polyurethanes Business Unit, Peter Vanacker, at a...
http://www.che.com/news/A-new-process-for-making-TDI-slated-for-its-commercial-debut_3249.html
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