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Gas
DOE Expedition Confirms Resource- Quality Gas Hydrate in the Gulf of Mexico
Gas hydrate, a potentially immense energy resource, occurs at high saturations within reservoir-quality sands in the Gulf of Mexico, an expedition by the U.S. Department of Energy has discovered.
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News
Vacuum Pump and Compressor Series Upgrade
GD Nash introduced the new 2BE4 series vacuum pumps and compressors, a redesign and upgrade of the existing 2BE3 series. The 2BE4 series includes optimized inlet and discharge porting for enhanced performance, and cylindrical roller bearings for improved load ratings and increased reliability (bearing upgrade is possible in existing 2BE3s). The series also includes optional […]
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O&M
Power 101: Flue Gas Heat Recovery in Power Plants, Part II
Every power engineer must have a firm grasp of the rudiments of how fuel is processed to produce electricity in a power generation facility. With this article, we continue our three-part series on the essentials of recovering heat from flue gas to dry and process coal, with the goal of improving overall plant operating efficiency.
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Hydro
The Backpack Power Plant
Soldiers could one day carry 600-W power plants on their backs, or set up arrays of up to 20 kW in streams deeper than 4 feet, if a prototype being developed by California-based Bourne Energy comes to fruition.
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News
Mobile Water Desalination Technology for Rent
Rental Solutions & Services (RSS), a global provider of rental power and cooling, recently launched its latest product offering, temporary desalination, or mobile water. The company, which recently opened a new office in Cyprus to serve the Mediterranean market, says its rental desalination, or mobile water technology has various applications, especially where freshwater is scarce […]
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Commentary
Power Industry Flip-Flops on Support of Carbon Controls
I recently had the privilege of moderating the Power Industry Executive Roundtable, part of the annual ELECTRIC POWER Conference & Exhibition opening ceremonies. Usually, the power industry executives have predictable views of important issues, but not this year.
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Business
POWER Digest (June 2010)
AES Secures PPA with Electricity Vietnam for 1,200-MW Coal Plant. AES Corp. subsidiary AES VCM Mong Duong Power Co. Ltd. in April signed a power purchase agreement (PPA) with state power company Electricity Vietnam (EVN) for Mong Duong II, a proposed 1,200-MW coal-fired power plant. In support of this agreement, AES VCM has also entered […]
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News
Advanced Generator Set for Distributed, CHP Generation
Caterpillar introduced the G3512E, an advanced natural gas–fueled generator set that was designed for maximum efficiency in extended-duty distributed generation and combined heat and power (CHP) applications. Driven by a Caterpillar electronically controlled, lean-burn gaseous-fueled reciprocating engine, the G3512E generator set offers high power density and fuel efficiency while maintaining tight NOx control. It provides […]
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O&M
Variable-Frequency Drives Upgrade Reactor Circulating Pumps
A recent trend in nuclear power plant upgrades has been the replacement of the motor-generator (MG) sets that drive the reactor circulating pumps with variable-frequency drives (VFD). Siemens’ first application of VFDs in this industry began in 2000 with an installation of six VFDs at the Browns Ferry Nuclear Plant. The use of the VFD continues to expand, and upgrades were recently completed at several U.S. plants, including the Hatch Nuclear Plant in Georgia.
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News
Small Gantry Cutting Machine
ESAB Cutting Systems launched the Falcon FXA, a small gantry-cutting machine that is designed for improved cutting performance. The machine features heavy-duty gantry, rack-and-pinion drives, digital AC drive amplifiers, and AC brushless motors. It comes with three tools—two oxy-fuel torches and one plasma—and covers a 6-inch by 12-inch working area. These process tools allow the […]