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

Displaying 341 - 360 of 417 stories.
March 1, 2007
  Last month, China Petroleum & Chemical Corp. (Sinopec; Beijing; edlinks.che.com/6893-549) and Syntroleum Corp. (Tulsa, Okla.; edlinks.che.com/6893-550) signed a memorandum of understanding for a joint...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/GTLCTL-cooperation_3225.html
March 1, 2007
    The use of shell-and-tube heat exchangers is widespread in the chemical process industries (CPI). In applications where contact between shell- and tube-side fluids is not tolerable, it is important for the engineer to understand some of the design details that ensure leak tightness. In his work, the author has found a great deal of literature that addresses the strength and tightness of tube...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/heat_exchangers_condensers_and_coolers/Heat-Exchangers-Tube-to-Tubesheet-Joint-Tightness_3142.html
March 1, 2007
In a related story (see above), the EU and China are launching a project, initiated by Sintef (Trondheim, Norway; edlinks.che.com/6893-532), to cut global emissions of greenhouse gases. In the three-year, €3-million "Coach" project, Europe will receive emissions quota for CO2 in exchange for "green" coal-fired power plants for China. A twin of the EU's Dynamis...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/-while-the-EU-and-China-partner-to-curb-CO2-emissions_3213.html
February 1, 2007
    Steam traps have been around for a hundred years or so, and for the most part, nothing revolutionary has come forward to change the basic way a trap functions. Any operation that uses steam to produce a high-quality, consistent product depends on a multitude of these ingenious devices to do their job day in and day out. Yet, who watches over these steam traps, which may number in the...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/boilers_and_steam_handling/Wireless-Diagnostics-for-Steam-Traps_3130.html
February 1, 2007
Haldor Topsøe A/S (Lyngby, Denmark; edlinks.che.com/6892-531) has relaunched a methanation process, called TREMP, which makes synthetic natural gas (SNG) from synthesis gas (syngas) mixtures derived from coal gasification. The process was developed and extensively tested during the 1970s, when energy costs were expected to increase to previously unseen levels. When this did not happen, interest in...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Making-natural-gas-from-coal_3198.html
February 1, 2007
Scheduled for startup in the second half of this year, the Long Lake integrated bitumen and upgrading project (near Fort McMurry, Alberta) now under construction by OPTI Canada, Inc. (edlinks.che.com/6892-536) and Nexen, Inc. (both Calgary, Alberta) is the first gasification project that that combines heavy-oil recovery and upgrading. The project applies the Shell Gasification Process (SGP), which converts...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/A-thermal-wet-air-oxidation-process-treats-gasifier-soot_3203.html
February 1, 2007
Toyo Engineering Corp. (Tokyo, Japan; edlinks.che.com/6892-539) and BASF AG (Ludwigshafen, Germany; edlinks.che.com/6892-540) are...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Gas-purification_3205.html
February 1, 2007
Mascoma Corp. (Cambridge, Mass.; edlinks.che.com/6892-541) has received a $14.8-million award from the New York State Dept. of Agriculture and Markets and the New York State Energy Research and Development...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Cellulosic-bioethanol_3206.html
February 1, 2007
Siemens Power Generation (Erlangen, Germany; edlinks.che.com/6892-542) has received a €-30-million contract from Shenhua Ningxia Coal Industry Group Co., Ltd. (China) to supply two entrained-flow gasifiers — each with a thermal capacity of 500 MW — and further...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Siemens-lands-a-new-coal-gasification-contract_3207.html
February 1, 2007
U.S. Sustainable Energy Corp. (Natchez, Miss.; edlinks.che.com/6892-543) has developed a new biofuel, SoyMazia 128, that is claimed to be the first 100% renewable and environmentally friendly replacement for diesel fuel with none of the negative traits associated with traditional biodiesel. The fuel has a heating value similar to that of petroleum-based diesel (128,000 Btu/gal), is noncorrosive, and is...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/New-biofuels_3208.html
February 1, 2007
    Following the dramatic upswing in the global energy prices in the past few years, interest in coal gasification as an "indirect" means of converting coal to power, transportation fuels and chemicals has been gaining new impetus. Environmental considerations, government legislations and increasing concerns over the security of global energy supply are also important drivers in the...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/A-new-surge-for-coal-gasification_3319.html
January 1, 2007
    Predicting an adiabatic-temperature rise is useful to chemical engineers for a number of purposes. One use is with combustion reactions whereby it is useful for determining the adiabatic-flame temperature. The adiabatic-temperature rise can be calculated for any reaction of interest, and thus it is often useful in the analysis and design of reactors. The adiabatic-temperature rise is also...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/Adiabatic-Temperature-Rise-An-Awkward-Calculation-Made-Simple_3127.html
January 1, 2007
    Regenerative thermal oxidizers (RTOs) are commonly used for controlling volatile organic compound (VOC) emissions from a broad spectrum of industries. An RTO is basically a thermal oxidizer that uses ceramic media as the heat exchanger medium, providing high heat recoveries. Over the past few years, much attention has been given to the pros and cons of the different types of ceramic media...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/Damper-Technologies-for-Regenerative-Thermal-Oxidizers_3128.html
January 1, 2007
A process that can enrich highly contaminated natural gas has been developed at Eindhoven University of Technology (Netherlands; edlinks.che.com/6891-531), with support from the Royal Shell/Dutch Group. The device shows promise as a way to utilize the large quantities of natural gas that is currently unusable because of high concentrations of carbon dioxide and hydrogen sulfide. Existing technology, such...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Clean-dirty-gas-with-this-centrifugal-gas-separator_3183.html
January 1, 2007
Up to now, light-cycle oil (LCO) produced from desulfurized vacuum-gas oil has been used as a base for heavy oil or for blending with straight gas oil (SGO). But a decreasing demand for heavy oil, combined with LCO’s drawbacks as a blending material (such as low cetane number), is drying up these outlets for LCO. Furthermore, existing technology for hydrotreating LCO is energy intensive and consumes...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/A-more-economical-process-for-hydrotreating-light-cycle-oil_3186.html
January 1, 2007
Exelus Inc. (Livingston, N.J.; edlinks.che.com/6891-533) has demonstrated the performance of its ExSact solid-acid alkylation process, having achieved over 1,000 hours of pilot-plant operation on an untreated MTBE raffinate feedstock. The pilot-plant testing was performed to prove the robustness of the ExSact catalyst to common feedstock poisons, such as oxygenates, diolefins and nitriles, to furnish the...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/A-milestone-for-a-new-solid-acid-alkylation-process_3190.html
January 1, 2007
Subsidiaries of Shell Oil Co. (Houston, Tex.; edlinks.che.com/6891-547) and Codexis, Inc. (Redwood City, Calif....
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/fuels/Biofuel_3197.html
January 1, 2007
    A wake-up call for plant maintenance The new Simatic Teleservice Adaptor IE (photo) facilitates cost-effective remote maintenance of machinery and plants. In acute service cases or emergencies, an email can be sent via the device. The engineer then scans the plant status via remote connection and carries out modifications. A new version of the adapter with Industrial-Ethernet interface has...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/kilns_ovens_and_furnaces/Maintenance-Tools_3152.html
January 1, 2007
With the aim to commercialize a new process for making solar-cell grade (SOG) silicon, Chisso Corp. (Tokyo, Japan; edlinks.che.com/6891-534) is negotiating the possibility of establishing a joint-venture company with Nippon Mining Holdings, Inc. (Tokyo) and Toho Titanium Co., Ltd. (Chigasaki, both Japan). Chisso plants to begin conformation tests of the process this year. The Chisso SOG-Si (CSS)...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/An-improved-production-process-for-solar-cell-Si_3191.html
January 1, 2007
    November 17 was the deadline for states to submit their plans for the control of mercury emissions from power plants to the U.S. Environmental Protection Agency (EPA, Washington D.C.; epa.gov), but mercury-control processes are already being commercialized. The Institute of Clean Air Companies (ICAC, Washington D.C.; icac.com) reports that its members have booked contracts for mercury-control...
http://www.che.com/processing_and_handling/thermal_and_energy_mgmt/power_generation_and_transmission/Mercury-Emissions-Control-Processes-go-commercial_3317.html
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