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Archives :: Processing & Handling :: Reaction Engineering

Displaying 181 - 200 of 320 stories.
October 1, 2007
Capacity increase for carbon nanotubes
Bayer MaterialScience AG (BMS; Leverkusen, Germany; edlinks.che.com/6900-541) is opening a second production facility for Baytubes, its carbon nanotubes product, at H.C. Starck GmbH (Laufenburg, Germany). When...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Capacity-increase-for-carbon-nanotubes_3383.html
October 1, 2007
Bio bulk chemicals
Metabolic Explorer (Metex; Clermont-Ferrand; edlinks.che.com/6900-535) and IFP (Rueil-Malmaison, both France; edlinks.che.com/6900-536) signed an agreement last month to accelerate the scaleup of Metex’s proprietary technology for...
http://www.che.com/processing_and_handling/reaction_engineering/biochemistry/Bio-bulk-chemicals_3376.html
September 1, 2007
Further scaleup for a 'downer' FCC process
In order to confirm the performance of its proprietary, high-severity fluid-catalytic-cracking (HS-FCC) process, Nippon Oil Corp. (Tokyo, Japan; edlinks.che.com/6899-533) plans to build a new confirmation-test plant at its Mizushima, Japan, refinery. The unit will have a treating capacity of 3,000 bbl/d when it starts operating in 2010 as part of a joint research project conducted by Petroleum...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Further-scaleup-for-a-downer-FCC-process_3353.html
September 1, 2007
Outlets for glycerin
    Glycerin has over 1,500 known end uses, including applications in cosmetics, pharmaceuticals and food products, with the U.S. market alone demanding around 600-million lb/yr. But over the next two years, biodiesel plants are expected to produce an additional 1-billion lb/yr of glycerin as a byproduct (see box below). As a result, the price of glycerin is falling as fast as biodiesel plants...
http://www.che.com/processing_and_handling/reaction_engineering/biochemistry/Outlets-for-glycerin_3365.html
August 1, 2007
A vapor-phase glycerin-to-PG process slated for its commercial debut
Davy Process Technology Ltd. (DPT; London; edlinks.che.com/6898-531), a Johnson Matthey company, has received the first license of its new glycerin-to-propylene glycol (GTPG) process. The first project, planned for the Ashland/Cargill joint venture (CE, June, p. 10), will produce more than 65,000 m.t./yr of PG at a yet-to-be disclosed location in Europe. Startup is expected early in 2009. The GTPG process...
http://www.che.com/processing_and_handling/reaction_engineering/A-vapor-phase-glycerin-to-PG-process-slated-for-its-commercial-debut_3296.html
August 1, 2007
A sound way to monitor fermentation
The traditional way to check microbial growth in a fermentation process is to take a sample of slurry and analyze it in the laboratory, a procedure that is less than ideal because of the time delay in obtaining the information. Now, a method that does the job online, in real time, has been developed at Pacific Northwest National Laboratory (PNNL; Richland, Wash.; edlinks.che.com/6898-533). In PNNL’s...
http://www.che.com/processing_and_handling/reaction_engineering/A-sound-way-to-monitor-fermentation_3298.html
August 1, 2007
A step closer to release for a new hydrotreating catalyst
Chiyoda Corp. (Kawasaki, Japan; edlinks.che.com/6898-535) has licensed its proprietary titania-supported catalyst for ultra-deep hydrodesulfurization (HDS) of gas oil to Axens (Paris, France; edlinks.che.com/6898-536). Axens is currently working on the final adjustment of industrial operating parameters, and plans to start commercial production of the new catalyst in the first...
http://www.che.com/processing_and_handling/reaction_engineering/A-step-closer-to-release-for-a-new-hydrotreating-catalyst_3300.html
August 1, 2007
This solid catalyst may improve the economics of biodiesel fuel production
A new catalyst that promises to cut the cost of producing biodiesel fuel from vegetable oils and animal fats by 30% has been developed by Victor Lin, a chemistry professor at Iowa State University (Ames, Iowa; edlinks.che.com/6898-537). The solid catalyst replaces the soluble, sodium methoxide catalyst that is currently used for the transesterification of oils in the production of biodiesel...
http://www.che.com/processing_and_handling/reaction_engineering/This-solid-catalyst-may-improve-the-economics-of-biodiesel-fuel-production_3301.html
August 1, 2007
An economical way to extract more alumina from bauxite
Alumina refining by the Bayer process involves the digestion of bauxite ore with caustic soda, which produces “green liquor,” from which alumina is recovered, and a bauxite residue, called red mud, which is stored in large disposal areas. A typical refinery (2-million m.t./yr) produces about 1.4 tons of bauxite-residue per ton of alumina recovered, which translates into about 2.8-million m.t./yr of red...
http://www.che.com/processing_and_handling/reaction_engineering/An-economical-way-to-extract-more-alumina-from-bauxite_3302.html
August 1, 2007
Commercialization is set for a cellulose-to-ethanol process
What is billed as the first commercial-scale plant to produce ethanol from cellulosic feed will be built in Treutlen County, Georgia, by Range Fuels, Inc. (Broomfield, Colo.; edlinks.che.com/6898-541). The company received a construction permit from the State of Georgia last month and will shortly break ground for the plant. Scheduled for completion...
http://www.che.com/processing_and_handling/reaction_engineering/Commercialization-is-set-for-a-cellulose-to-ethanol-process_3304.html
August 1, 2007
New reactor system makes products faster, without a solvent
This system, which has multiple reactors and uses microwaves for heating, has been developed by professor Yuji Wada at the Graduate School of Science and Engineering, Tokyo Institute of Technology (edlinks.che.com/6898-543), in cooperation with Shikoku Instrument Co. (Takamatsu; edlinks.che.com/6898-544) and Sanko Kagaku Kogyo Co. (Tokyo; all Japan; edlinks.che.com/6898-545). A prototype of the system has...
http://www.che.com/processing_and_handling/reaction_engineering/New-reactor-system-makes-products-faster-without-a-solvent_3306.html
August 1, 2007
Sugar-to-PE
Dow Chemical Co. (Midland, Mich.; edlinks.che.com/6898-548) and Crystalsev (São Paulo, Brazil; edlinks.che.com/6898-549) are forming a joint venture in Brazil to design and build...
http://www.che.com/processing_and_handling/reaction_engineering/Sugar-to-PE_3308.html
August 1, 2007
Nutritious rice
At the end of June, Wuxi NutriRice Co. Ltd. — a joint venture of DSM (Sittard, Netherlands; edlinks.che.com/6898-550) and Bühler AG (Uzwil, Switzerland; edlinks.che.com/6898-551) — opened the world’s first...
http://www.che.com/processing_and_handling/reaction_engineering/Nutritious-rice_3309.html
July 1, 2007
A new type of coal-fired IGCC-power plant to be demonstrated
Although brown coal accounts for about 25% of Australia’s energy supply, it has a high moisture content and, when burned, is a high emitter of carbon dioxide (above 1,200kg/MWh). To address this challenge HRL Ltd. (Melbourne, Australia; edlinks.che.com/6897-531) has developed a variant of integrated-gasification, combined-cycle (IGCC) technology, called IDGCC (integrated drying and gasification...
http://www.che.com/processing_and_handling/reaction_engineering/A-new-type-of-coal-fired-IGCC-power-plant-to-be-demonstrated_3282.html
July 1, 2007
This pyrolysis process coproduces hydrogen and carbon dioxide
Hydrogen is produced directly from biomass and other carbonaceous materials, with simultaneous capture of carbon dioxide, in a process being developed by Energy Quest, Inc. (Edmonton, Alta., Canada; edlinks.che.com/6897-533). In the PyStR (pyrolytic steam reforming) process, crushed or shredded feedstock and steam are fed directly into a circulating bed of calcium oxide. The fuel is pyrolized at about...
http://www.che.com/processing_and_handling/reaction_engineering/This-pyrolysis-process-coproduces-hydrogen-and-carbon-dioxide_3284.html
July 1, 2007
Jet spinning
At the end of May, Teijin Twaron B.V. (Arnhem, Netherlands; edlinks.che.com/6897-543) opened a new pilot-production plant for producing a new generation of Twaron para-aramides pulp using a new jet-spinning process. The company did not disclose process...
http://www.che.com/processing_and_handling/reaction_engineering/Jet-spinning_3292.html
July 1, 2007
Putting MgH2 in your fuel tank
Techno Bank Co., Ltd. (Tokyo, Japan; edlinks.che.com/6897-537) has developed a new supply, storage, and transport system for safely handling a high capacity of hydrogen in fuel-cell applications. The system — a cassette containing nano-sized powder of magnesium hydride (MgH₂) — is said to be safer than alternatives, such as insulated cylinders of liquid H₂ at 700 bar. Other methods being...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Putting-MgH2-in-your-fuel-tank_3288.html
July 1, 2007
A commercial debut for a new process that removes phosphates and nitrogen from wastewater
Paques B.V. (Balk, Netherlands; edlinks.che.com/6897-535) has developed a cost-effective biological process (flowsheet) for removing phosphates and nitrogen from wastewater. The first commercial installation to use the new process officially opened last month at Aviko (Steenseren, Netherlands), where it is treating 3,000 m3/d of wastewater from potato processing. The plant is owned and operated by...
http://www.che.com/processing_and_handling/reaction_engineering/biochemistry/A-commercial-debut-for-a-new-process-that-removes-phosphates-and-nitrogen-from-wastewater_3286.html
June 1, 2007
High-speed reactor willspin out biodiesel fuel
  A high-shear reactor that is said to accelerate chemical reaction rates by up to three orders of magnitude will get its first commercial tryout in the production of biodiesel fuel. Kreido Biofuels, Inc. (Camarillo, Calif.; kreido.com), the reactor's developer, will shortly start up a unit for Foothills Bio-Energies (Lenoir, N.C.; edlinks.che.com/6896-531), where it will add 1 million gal/yr to the...
http://www.che.com/processing_and_handling/reaction_engineering/High-speed-reactor-willspin-out-biodiesel-fuel_3263.html
June 1, 2007
Coproduction of cellulose acetate promises to improve the economics of ethanol production ...
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/processing_and_handling/reaction_engineering/Coproduction-of-cellulose-acetate-promises-to-improve-the-economics-of-ethanol-production-_3265.html
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