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March 1, 200703.01.2007 | Dr. Robert Peltier, PE, Editor-in-Chief
Carbon capture and sequestration (CCS) have elbowed their way into the nation’s lexicon with the rise in concern over climate change. But few of the journalists who are hyping global warming have taken the trouble to learn the ins and outs of producing... 03.01.2007 | Kennedy Maize
The big buzz still echoing through world of coal-fired generation is the move by two big-bucks private equity investors to take TXU Corp. off the public market, including scuttling announced plans for eight new pulverized coal – fired plants. That... 03.01.2007 | Randy Rahm is executive director of the PRB Coal Users’ Group. He can be reached at r.rahm@ethanexenergy.com.
In the last issue of COAL POWER, I urged readers to give coal handling the priority it deserves. The coal yard warrants as much attention as boilers and combustion systems, turbine-generators and auxiliaries, and postcombustion emissions control — the... 03.01.2007 | Douglas P. Ritzenthaler is an Engineer I in the Environmental Equipment Performance Group at American Electric Power; he can be reached at dpritzentha
Using a selective catalytic reduction (SCR) system to reduce the emissions of nitrogen oxides (NOx) from a coal-fired power plant is rapidly becoming the norm, rather than the exception. But for many plants, adding an SCR system has unintended consequences... 03.01.2007 | Edward Bowes, PE, Dominion Resources; Robin B. Rhodes, Alstom Power Inc., Air Preheater Co.; Dr. Bernard T. Hamel, Marsulex Inc.; and Dr. Steven A. Be
Dominion Generation (DG) has installed selective catalytic reduction (SCR) systems on many of the large coal-fired generating units it operates. The catalyst used has an SO2 to SO3 oxidation rate of about 1%, which roughly doubles the SO3 concentration at the... 03.01.2007 | James T. Murphy, a senior environmental engineer with Science Applications International Corp., can be reached at james.murphy@sa.netl.doe.gov. Thomas
Flyash and condensed sulfur trioxide (SO3) are the major components of flue gas that contribute to the opacity of a coal plant’s stack emissions (stack opacity). Estimates are that 75% to 85% of bituminous coal-fired plants with selective catalytic... 03.01.2007 | Douglas J. Smith, IEng, Consulting Editor
As gencos seek to improve plant reliability and availability, many are turning to on-line condition monitoring for help. Huge advances in the capabilities of on-line diagnostics have occurred over the past five years. By using this technology, plant personnel... 03.01.2007
This month’s photo was submitted by David Carter, power generation supervisor at Springerville Generating Station. Readers of POWER may recall that Springerville Unit 3 — the first pulverized coal – fired unit built in the U.S. in more than... |
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