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Displaying 201 - 220 of 804 stories.
November 1, 2008
  Heavy crude UOP LLC (Des Plaines, Ill.; www.uop.com) plans to do further development of its Catalytic Crude Upgrading (CCU) technology through an agreement with Brazil’s Petrobras (Rio de Janeiro) and Albemarle Corp. (Baton Rouge, La.). CCU is a process for upgrading heavy oil in the field so that it may be pumped through a pipeline. Based on UOP’s fluid catalytic cracking (FCC)...
http://www.che.com/news/Chementator-Briefs_4339.html
October 15, 2008
As environmental regulations continue to get tighter regarding oxides of nitrogen (NOx) and other emissions, makers of burners and incinerators are working to develop equipment that not only meets or exceeds permissible emission levels, but also surpasses traditional operational capabilities. "It is true that environmental regulations are pushing us to come up with better technology," says...
http://www.che.com/news/Newsfront-Combustion-Equipment-Burning-for-You_4233.html
October 15, 2008
  Although ammonia is still made by the near-century-old Haber-Bosch process, today’s ammonia plants bear little resemblance to those early units — now literally decorating the lawns outside BASF in Ludwigshafen, and Dechema in Frankfurt, Germany. For one thing, the efficiencies of this energy-intensive, brute-force reaction of hydrogen and nitrogen have increased dramatically, especially...
http://www.che.com/news/Newsfront-Spotlight-on-Ammonia-and-Urea_4235.html
October 15, 2008
Plant Watch LyondellBasell grants license for new plant in the Slovak Republic September 23, 2008 — Slovnaft Petrochemicals, s.r.o., a subsidiary of the MOL Group, has selected LyondellBasell’s Lupotech T technology for a new 220,000-metric tons per year (m.t./yr) low-density polyethylene (LDPE) plant planned to be built in Bratislava, located in the Slovak Republic. Startup is expected in...
http://www.che.com/news/Economic-Indicators-Business-News_4244.html
October 15, 2008
A method for identifying less-expensive catalysts, compared to commercial, precious-metal-based ones, is starting to deliver results by researchers at the Center for Atomic-scale Materials Design, Dept. of Physics, Technical University of Denmark (CAMD; Lyngby; www.camd.dtu.dk) and their collaborators. The computer-aided method ultimately generates a plot of cost-of-metal versus heat of adsorption for the...
http://www.che.com/news/Chementator-A-new-method-for-catalyst-design_4245.html
October 15, 2008
The Lawrence Berkeley National Laboratory (LBL; Berkeley, Calif.; www.lbl.gov) has developed a new xenobiotics bioremediation system that can be used to treat contaminated soil and water. Whereas conventional bioelectrical remediation methods rely on the addition of chemicals to provide electron donors or acceptors to stimulate the remediative organism’s metabolic process, LBL’s system uses an...
http://www.che.com/news/Chementator-Decontaminate-soil-using-electrons-to-make-microbes-meals_4246.html
October 15, 2008
In order to make ethanol from cellulose, the polysaccharide must first be broken down into sugars (saccharrified) that can be fermented. Normally, this hydrolysis reaction is catalyzed by sulfuric acid or enzymes. However, H2SO4 -based hydrolysis generates spent acid, which has to be separated and regenerated before recycling; and enzyme-driven methods have long reaction times and require pretreatment to...
http://www.che.com/news/Chementator-This-graphene-based-catalyst-speeds-cellulose-saccrification-without-H2SO4-waste_4247.html
October 15, 2008
A new activated-sludge-treatment process that promises to slash energy consumption is being developed by Sanki Engineering Co., Ltd., (Tokyo, www.sanki.co.jp), in cooperation with Ebara Corp., (Tokyo) and Touhoku University (Sendai, all Japan), and the support of NEDO (New Energy & Industrial Technology Organization; Kawasaki). The process features an innovative downflow tower equipped with hanging...
http://www.che.com/news/Chementator-A-process-that-requires-less-energy-to-treat-sludge-efficiently_4248.html
October 15, 2008
Since the original invention of the steady-stream eyewash over 50 years ago, the accepted practice in the chemical process industries (CPI) and other industrial circles has been to flush the eyes with two, separate, arc-shaped water streams, each one flowing from the outside corner of the eye inward (diagram). A little-known, but potentially serious problem with this approach, says Michael Markovsky, vice...
http://www.che.com/news/Chementator-Eye-washing-takes-a-new-direction_4249.html
October 15, 2008
UOP LLC (Des Plaines, Ill.; www.uop.com) will form a joint venture (JV) with Ensyn Corp. (Wilmington, Del.; www.ensyn.com) to offer technology for the production of fuel oil and transportation fuels from second-generation biomass, such as forest and agricultural residues. Ensyn long ago commercialized a fast pyrolysis process for converting cellulosic waste to bio-oil and operates several plants that...
http://www.che.com/news/Chementator-Joint-venture-will-produce-transportation-fuels-from-agricultural-and-forest-residues_4250.html
October 15, 2008
Liberty Engineering (Hamburg, N.Y.; www.libertypsa.com) has developed a bioremediation system that fully removes carcinogens from soil in 90 days. The process is based on microbial oxidation of organic compounds by petrophyllic pseudonomads in an oxygen-rich environment. The bacteria are specifically isolated for their affinity to metabolize heavy hydrocarbons, aromatic compounds and organic solvents...
http://www.che.com/news/Chementator-A-faster-way-to-decontaminate-soil_4251.html
October 15, 2008
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 U.S. Dept. of Agriculture’s Soybean and Nitrogen Fixation Unit (USDA; www.ars.usda.gov) and North Carolina State University (Raleigh, N.C.), scientists have...
http://www.che.com/news/Chementator-Feed-sugar-to-these-bacteria-and-theyll-produce-hydrogen_4252.html
October 15, 2008
QuantumSphere, Inc. (Santa Ana, Calif.; www.qsinano.com) has filed a key patent for technology it has developed, which extends the capacity of rechargeable lithium-ion...
http://www.che.com/news/Chementator-Longer-lasting-batteries_4253.html
October 15, 2008
Last month, what is claimed as the first pilot plant in the world to demonstrate carbon-dioxide capture and storage (CCS) based on oxy-combustion came onstream next to Vattenfall´s 1,600-MW, lignite-fired Schwarze Pumpe power plant in Germany. The 30-MW pulverized-coal demonstration...
http://www.che.com/news/Chementator-Oxy-combustion_4254.html
October 15, 2008
Genencor, a div. of Danisco A/S (Copenhagen, Denmark; www.danisco.com) and The Goodyear Tire and Rubber Co. (Akron, Ohio; www.goodyear.com) have started a research collaboration to develop a bio-based process for producing isoprene using renewable...
http://www.che.com/news/Chementator-Bio-based-isoprene_4255.html
October 15, 2008
Last month, Donaldson Torit (Minneapolis, Minn.; www.donaldson.com) launched the Torit PowerCore dust collectors, which are up to 50% smaller than traditional baghouses. An extension of the firm’s patented PowerCore technology that has been proven in engine...
http://www.che.com/news/Chementator-Smaller-baghouses_4256.html
October 15, 2008
Cutler Technology Corp. (San Antonio, Tex.; www.cutler-tech.com) has launched ADMC 64, its most-advanced model-predictive controller ( CE, November 2005, p. 15). With 64-bit resolution, the...
http://www.che.com/news/Chementator-Faster-predictive-control_4257.html
October 15, 2008
Launched at ISA Expo 2008 this month (Houston, Tex.; October 14 – 16), the ELDS line-of-sight gas detectors from Senscient, Inc. (League City, Tex.) is said to deliver three orders of...
http://www.che.com/news/Chementator-Enhanced-gas-detection_4258.html
October 15, 2008
As part of the European BioDME project, Haldor Topsøe A/S (Lyngby, Denmark; www.topsoe.com) and Chemrec will design and build a new plant for producing dimethyl ether (DME). Located at the Smurfit Kappa...
http://www.che.com/news/Chementator-Biomass-to-DME_4259.html
October 15, 2008
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...
http://www.che.com/news/Chementator-Improving-leather_4260.html
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