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Archives :: Processing & Handling :: Reaction Engineering

Displaying 141 - 160 of 319 stories.
April 15, 2008
Newsfront: Teaching an Old Dog New Tricks
  While it may be one of the oldest chemical processes known to mankind, fermentation is getting a high-tech face lift as industrial biotech firms put a fresh spin on the age-old technology in an effort to develop advanced products in a more environmentally friendly and less costly way. "The technology is generally the same — using microbial systems and metabolic fermentation — but by...
http://www.che.com/processing_and_handling/reaction_engineering/Newsfront-Teaching-an-Old-Dog-New-Tricks_3789.html
April 15, 2008
Chementator: Switchgrass to syngas
Although theoretically promising 80% more energy than is required to grow and convert to cellulosic ethanol, switchgrass has proven to be a difficult fuel source to break down cost effectively. With $1 million from the U.S. Depts. of Agriculture (USDA) and Energy (DOE), a team led by Professor Alan Weimer of the...
http://www.che.com/processing_and_handling/reaction_engineering/Chementator-Switchgrass-to-syngas_3813.html
April 15, 2008
Chementator: Nanozeolites
In cooperation with several universities, Clariant International Ltd. (Muttenz, Switzerland; edlinks.che.com/7371-543) has developed a process to manufacture high-quality nano-sized zeolite L (Linde Type L) in technical quantities. This new range of nano-scale aluminosilicates, tradenamed Lucidot, open up a new range of possibilities in biochemical processes, including molecular sieves, ion...
http://www.che.com/processing_and_handling/reaction_engineering/Chementator-Nanozeolites_3815.html
April 15, 2008
Chementator: A platinum-free catalytic converter
Nippon Steel Materials Co., Ltd. (NSM; Tokyo, Japan; edlinks.che.com/7371-538) has developed a new catalyst for combustion engines that contains 70% less precious metals than conventional catalytic converters. The catalyst is expected to not only lead to lower costs, but also outperform conventional catalysts...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Chementator-A-platinum-free-catalytic-converter_3812.html
April 15, 2008
Chementator: Nanomaterial filters and recycles water
A new nanomaterial which doubles as a filter and a reactor capable of destroying unwanted substances, has been developed by a team from Nanyang Technological University (NTU; Singapore; edlinks.che.com/7371-544), and the Singapore Public Utilities Board. The material consists of nanosized crystals of titanium dioxide, which can capture unwanted matter in water and can act as a catalyst under the application of...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Chementator-Nanomaterial-filters-and-recycles-water_3816.html
April 15, 2008
Chementator: Novel solar electrode
Unidym, Inc., (Menlo Park, Calif.; edlinks.che.com/7371-549) has entered into a joint development agreement with Nippon Kayaku (Tokyo, Japan; edlinks.che.com/7371-550), to...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Chementator-Novel-solar-electrode_3821.html
March 31, 2008
Genencor licenses Red/ET Recombineering tech.
Genencor International, Inc., a part of Danisco US Inc., has completed a commercial license agreement for the use of the Red/ET recombination technology from Gene Bridges GmbH (Heidelberg, Germany; www.genebridges.com). Under the terms of the agreement, Gene Bridges has licensed...
http://www.che.com/processing_and_handling/reaction_engineering/biochemistry/Genencor-licenses-RedET-Recombineering-tech-_3763.html
March 15, 2008
Engineering Practice: Sensing Change in Batch Reactors
The batch reactor is the workhorse of the fine chemical and pharmaceutical industries. Within it, many different unit operations are performed such as chemical reactions, bioreactions, crystallization, distillation and dissolution. Despite their significance to the industry, batch reactors have been controlled by the same underlying method for the past 50 years. This article discusses a relatively...
http://www.che.com/processing_and_handling/reaction_engineering/Engineering-Practice-Sensing-Change-in-Batch-Reactors_3730.html
March 15, 2008
Chementator: A commercial debut for a process to make mesoporous silica
Next month, Taiyo Kagaku Co. (Yokkaichi, Japan; edlinks.che.com/7370-563) will start up a 20-m.t./yr plant — said to be the world’s first — for the production of mesoporous silica. Taiyo Kagaku developed the new production process based on technology first introduced by Toyota Central R&D Laboratories, Inc. (Aichi, Japan; CE, April 2004, p. 17). The commercial grade mesoporous silica...
http://www.che.com/processing_and_handling/reaction_engineering/Chementator-A-commercial-debut-for-a-process-to-make-mesoporous-silica_3736.html
March 15, 2008
Chementator: Ceramic ethane-to-ethylene membrane could replace pyrolysis
Ateam of researchers at the U.S. Department of Energy’s Argonne National Laboratory (ANL, Argonne, Ill.; edlinks.che.com/7370-568) has developed a membrane capable of producing olefins from alkanes, and reducing wasted energy and pollutants while improving selectivity and yield. Steam cracking, or pyrolysis, has long been the widespread production method for olefins including ethylene, propylene, and...
http://www.che.com/processing_and_handling/reaction_engineering/Chementator-Ceramic-ethane-to-ethylene-membrane-could-replace-pyrolysis_3740.html
March 15, 2008
Chementator: Chiral synthesis
Scientists from the Center Biology at University College Dublin (Ireland; edlinks.che.com/7370-576) and the University of Bologna (Italy; edlinks.che.com/7370-577) have developed an enzymatic process that can be applied to the synthesis of...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Chementator-Chiral-synthesis_3746.html
March 15, 2008
Newsfront: Forum Makes a Big Deal about Nanotech
On January 31, 2008, law firm Chadbourne & Parke LLP held its "Nanotechnology, Law & Commerce" forum exploring "Business at One-Billionth of a Meter." A total of 18 invited speakers explored a variety of topics including the current state of nanotech R&D; public policy, politics and legal issues; the financing and underwriting of nanotech; and "nanoethics." George...
http://www.che.com/processing_and_handling/reaction_engineering/biochemistry/Newsfront-Forum-Makes-a-Big-Deal-about-Nanotech_3718.html
March 15, 2008
Newsfront: Fuel Cells Move into the CPI Plant
Fuel cells and hydrogen economy are inevitably used in the same breath when talking about clean power and ways to wean us from our addiction to carbon-based fuels. That’s because H2 -based fuel cells make electricity and heat with only water in the exhaust. Unfortunately, realistic assessments of the current situation conclude that it will be awhile — perhaps decades — before hydrogen...
http://www.che.com/processing_and_handling/reaction_engineering/electrochemistry/Newsfront-Fuel-Cells-Move-into-the-CPI-Plant_3717.html
March 15, 2008
Chementator: Grätzel cell
Researchers at the Fraunhofer Institute for Solar Energy Systems (ISE; Freiburg, Germany; edlinks.che.com/7370-575) have developed a solar-cell prototype that is semi-transparent, color-tunable and (thus far) resistant to weather degradation. A "classical Grätzel cell" according to Andreas Gombert head of Fraunhofer’s Materials Research and Applied Optics department, the prototype is...
http://www.che.com/processing_and_handling/reaction_engineering/electrochemistry/Chementator-Gratzel-cell_3745.html
February 25, 2008
Bayer invests in research center in Aachen
A new catalysis center (www.catalyticcenter.de) has opened today in Aachen, Germany, for which the Bayer company provides more than seven million euros of funding. “To further boost our innovative strength, we support excellent performance and talent in science,” says Peter Vanacker, member of the Executive Committee of Bayer MaterialScience and head of the Polyurethanes Business Unit, at a...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Bayer-invests-in-research-center-in-Aachen_3696.html
February 15, 2008
Chementator: Algae-based biodiesel
Valencent Products, Inc. (El Paso, Tex.; edlinks.che.com/7369-544) and Global Green Solutions, Inc. (Vancouver, B.C., Canada; edlinks.che.com/7369-545) are in the final stages of commercializing their patented Vertigro process, which includes the growing and harvesting of algae, and extraction of oil from...
http://www.che.com/processing_and_handling/reaction_engineering/Chementator-Algae-based-biodiesel_3692.html
February 15, 2008
Chementator: Commercial production and debut of a new solid-acid catalyst for making biodiesel
Last month, Benefuel, Inc. (Mt. Prospect, Ill.; edlinks.che.com/7369-533) established an exclusive global agreement with Süd-Chemie India Pvt. Ltd. (SCIL; New Delhi) whereby SCIL will manufacture proprietary solid-acid catalysts for Benefuel’s biodiesel production facilities around the world. The patent-pending catalysts — developed by Benefuel in collaboration with the National Chemical...
http://www.che.com/processing_and_handling/reaction_engineering/catalysis/Chementator-Commercial-production-and-debut-of-a-new-solid-acid-catalyst-for-making-biodiesel_3684.html
February 15, 2008
Chementator: Maintain pH, even at cyrogenic temperatures, with this buffer
Biotechnology samples, such as proteins, nucleic acids, biological specimens and pharmaceuticals, are typically stored frozen to extend their shelf life. However, a problem that has plagued researchers for decades is that the buffers used to maintain the pH of the samples lose their efficacy as samples are cooled. Low-temperature biophysical and bioanalytical techniques can also be affected by pH...
http://www.che.com/processing_and_handling/reaction_engineering/biochemistry/Chementator-Maintain-pH-even-at-cyrogenic-temperatures-with-this-buffer_3687.html
February 15, 2008
Photons to electrons, & vice versa
Technical innovations in light emitting diodes (LEDs) and photovoltaics have consistently reflected the similarities between the two technologies. In fact, research groups at many universities, such as  the University of Michigan (Ann Arbor, Mich.; www.umich.edu) and the University of Southern California (USC; Los Angeles, Calif.; www.usc.edu), are studying both simultaneously. With pressing consumer...
http://www.che.com/processing_and_handling/reaction_engineering/electrochemistry/Photons-to-electrons-and-vice-versa_3697.html
February 11, 2008
Three mobile reactors for hazardous chemistry
On the international chemicals markets, hazardous chemistry and custom synthesis for the production of active pharmaceutical ingredients and their precursors represent an attractive combination. Besides the additional capacities, however, customers are also calling for an increasing flexibility regarding the dimensioning of the production facilities. Demand has been identified in particular in the segment...
http://www.che.com/processing_and_handling/reaction_engineering/Three-mobile-reactors-for-hazardous-chemistry_3657.html
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