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Archives :: Processing & Handling :: Thermal & Energy Management

Displaying 261 - 280 of 420 stories.
April 15, 2008
Investment, production and consumption of biofuels are booming, thanks mainly to American and European governments’ subsidy and promotion. In part this is driven by fear of environmental enemy number one — global warming. The simple, conventional wisdom is that biofuels have smaller carbon footprints than competing petroleum-based fuels (petrofuels). Yet, as our recent study shows,* the...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Technology-Showcase-Biofuels-Face-a-Carbon-Certification-Challenge_3788.html
April 15, 2008
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/thermal_and_energy_mgmt/fuels/Chementator-Switchgrass-to-syngas_3813.html
April 15, 2008
Last month, the first pilot project that used chilled ammonia to capture carbon dioxide from the fluegas (FG) of a coal-fired power plant started operating at the 1,210-MW We Energies’ Pleasant Prairie power plant in Wisconsin. Alstom (Windsor, Conn.; edlinks.che.com/7371-531) designed, built and will operate the 1.7-MW pilot system, which is part of a cost-sharing partnership of 35 utilities...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/Chementator-An-ammonia-based-CO2-capture-process-moves-several-steps-closer-to-commercialization_3807.html
April 15, 2008
In its first full-scale test on a coal-fired power plant, halogenated activated carbon (AC) made by ADA-ES, Inc. (Littleton, Colo.; edlinks.che.com/7371-537) has reduced mercury emissions by more than 90%. The significance of the results is that the plant...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/Chementator-Halogenated-activated-carbon-reduces-mercury-emissions-from-a-coal-fired-plant_3811.html
April 15, 2008
Basin Electric Power Cooperative (BEPC; Bismarck, N.D.) has selected the CO2-capture technology of Powerspan Corp. (Portsmouth, N.H.; edlinks.che.com/7371-546) for a commercial demonstration at BEPC’s Antelope Station coal-fired...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/Chementator-CO2-capture-demo-_3818.html
April 14, 2008
Batch reactor systems are used extensively in the pharmaceutical and fine chemical industries for the manufacture of small-volume, high-value products, in either dedicated or multipurpose production facilities. Stable and reproducible operating conditions are of great importance in order to achieve the batch times, optimum yields and product purity required to satisfy commercial requirements and the...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/heat_exchangers_condensers_and_coolers/A-Condenser-Made-of-Tantalum-CL-Clad-Dedicated-to-the-Pharmaceutical-and-Fine-Chemical-Industries_3778.html
April 4, 2008
Foster Wheeler Ltd. (Hamilton, Bermuda; www.fwc.com) announced that its South African subsidiary Foster Wheeler South Africa (Pty) Limited, part of its Global Engineering and Construction Group, has been selected by Sasol Technology (Pty) Ltd to perform a pre-feasibility study for a proposed new coal-to-liquids (CTL) facility, known as Project Mafutha in South...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Foster-Wheeler-studies-CTL-feasibility-for-Sasol_3768.html
March 21, 2008
GEA PHE Systems, Inc. (York, Pa.; www.geaphena.com) a leading international supplier of plate heat exchangers (PHE), has acquired the assets of Canadian PHE specialist ViEX, based in Newmarket near Toronto. Hence, GEA continues their successful growth path and now offers the most extensive range of brazed, gasketed and fully welded PHE. ViEX emerged from Nixon Plate Coils Ltd., founded in 1954 in Toronto...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/heat_exchangers_condensers_and_coolers/GEA-takes-over-Canadian-company-ViEX_3756.html
March 20, 2008
Elcogas S.A., a company owned by the Spanish energy group ENDESA, together with other European utilities (EDF, Iberdrola, EDP, ENEL) will celebrate 10 years’ operation of its integrated gasification combined-cycle (IGCC) power plant in March 2008. The plant in Puertollano, Spain, is regarded as the world’s biggest IGCC power plant with a net output of 300 MWe. It is based on Uhde GmbH’s...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/IGCC-plant-celebrates-10-years-of-operation_3757.html
March 15, 2008
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/thermal_and_energy_mgmt/Engineering-Practice-Sensing-Change-in-Batch-Reactors_3730.html
March 15, 2008
Synfuels International, Inc. (Dallas, Tex.; edlinks.che.com/7370-561) plans to commercialize its patented gas-to-liquids (GTL) process in Kuwait through a newly formed partnership with Kuwait’s Aref Energy Holding (edlinks.che.com/7370-562). In contrast with Fischer-Tropsch technology, the process produces a high-octane gasoline blend, rather than waxy paraffins for diesel fuel. Within two years, the...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Chementator-Methane-to-gasoline-process-nears-commercialization_3735.html
March 15, 2008
SulphCo, Inc. (Houston, Tex.; edlinks.che.com/7370-580) has signed an agreement with Pt. Isis Megah (Isis; an Indonesian oil-and-gas services company), which grants Isis an exclusive...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Chementator-Sonocracking_3748.html
March 15, 2008
Tube plugging is probably the most frequently used maintenance and repair technique for the tube side of an exchanger. This article provides information on how to locate the positions of tube failures and discusses why it is important to know such information. It describes how to find out where the tubes failed and explains how to analyze what caused failures, seen from the tube side. Descriptions of...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/heat_exchangers_condensers_and_coolers/Maintaining-and-Repairing-Heat-Exchanger-Tubes_3731.html
March 15, 2008
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/thermal_and_energy_mgmt/power_generation_and_transmission/Newsfront-Fuel-Cells-Move-into-the-CPI-Plant_3717.html
March 15, 2008
The Seebeck effect — the direct conversion of a temperature difference to electricity — is responsible for the operation of thermocouples. But taking advantage of this phenomenon to make electricity from waste heat in so-called thermoelectric (TE) devices has been hindered by the high cost or toxicity of common TE materials, such as lead-tellurium or cobalt-antimony. And up to now, production...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/Chementator-A-new-Mg2Si-production-process-promises-to-advance-thermoelectric-devices_3737.html
March 15, 2008
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/thermal_and_energy_mgmt/power_generation_and_transmission/Chementator-Gratzel-cell_3745.html
February 15, 2008
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/thermal_and_energy_mgmt/fuels/Chementator-Commercial-production-and-debut-of-a-new-solid-acid-catalyst-for-making-biodiesel_3684.html
February 15, 2008
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/thermal_and_energy_mgmt/fuels/Chementator-Algae-based-biodiesel_3692.html
February 15, 2008
Archer Daniels Midland Co. (ADM; Decatur, Ill.; edlinks.che.com/7369-547), Bayer CropScience AG (BCS; Leverkusen, Germany; edlinks.che.com/7369-548) and Daimler AG (Stuttgart, Germany) have...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Chementator-A-push-for-Jatropha_3693.html
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