04.01.2013 | By Sonal Patel
A rule proposed by the Environmental Protection Agency (EPA) directs 36 states to revise their Clean Air Act State Implementation Plans (SIPs) to eliminate exemptions for excess emissions of air pollutants at power plants during startup, shutdown, or when the plant malfunctions. ...
04.01.2013 | By Sonal Patel
Power plant emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) in the U.S. declined to their lowest level since 1990, the Energy Information Administration (EIA) said in early March....
04.01.2013 | By Sonal Patel
The Environmental Protection Agency (EPA) estimates final regulations curbing greenhouse gas (GHG), mercury, and air toxics emissions from new sources could appear in the Federal Register by the end of April. Also forthcoming are final cooling water intake rules and proposed effluent guidelines. The coal ash rule, which has no target date for a final rule, may not be issued this year, the agency said. ...
04.01.2013 | By Prasad Koneru, Ahsan Siddiqui, and Randall E. Rush
The integrated gasification combined cycle (IGCC) plant located in Kemper County, Mississippi, is a 2 x 1 plant that will produce 582 MW at peak and 524 MW fired on syngas, with ammonia, sulfuric acid, and carbon dioxide as by-products. The carbon dioxide will be used for enhanced oil recovery (EOR). Engineering was completed in Q3 2012, and the facility’s commercial operation date is planned for May 2014....
04.01.2013 | By William E. Siegfriedt, Andrew J. Carstens, Gavino Perez, Jr., and Lisa Hufstetler
By William E. Siegfriedt, Andrew J. Carstens, Gavino Perez
Recent experience on the Deely 2 SCR retrofit project reminds us that the time spent in thoroughly planning a project prior to the start of construction is usually repaid with avoided construction delays....
01.28.2013 | By Sonal Patel
The Environmental Protection Agency (EPA) issued a final rule in December that strengthens its National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM2.5) to 12.0 micrograms per cubic meter (μg/m3) but declared it would not finalize a proposal to update separate secondary PM2.5 standards. The final rule's issuance was lauded by environmental and public health groups, though industry groups opposed it, citing concerns that nonattainment areas would suffer economic setbacks....
01.28.2013 | By Sonal Patel
The Environmental Protection Agency (EPA) on Dec. 20 finalized changes to a specific set of adjustments to the Clean Air Act that apply to coal, oil, natural gas, and biomass boilers and certain solid waste incinerators....
01.28.2013 | By A.J. Bennett, M.J. Albrecht, C.S. Jones, Q. Zhang, and Y. Chen
The world’s first supercritical pulverized coal–fired low mass flux vertical tube Benson boiler is Jinzhushan 3, located in the Hunan Province of the People’s Republic of China. The 600-MW Babcock & Wilcox Power Generation Group Inc. once-through boiler burns Chinese anthracite using downshot pulverized coal (PC) technology. Part 1 of this three-part article presented a summary of the project design features. Part 2 discussed the boiler technology. This third and final part reviews the plant’s performance test results....
01.28.2013 | By Neil Powell
Proposed U.S. Environmental Protection Agency rules and a greater reliance on newer generation technologies have put the nation’s aging fossil-fueled generation units at risk of retirement. The numbers demonstrate that the U.S. power generating fleet is older than you may believe....
11.27.2012 | By Sonal Patel
Duke Energy said in mid-October that testing was under way in preparation for commercial operation next year of its 630-MW integrated gasification combined cycle (IGCC) Edwardsport power plant in Knox County, Ind....
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