Enhanced NO{sub x} removal in wet scrubbers using metal chelates. Final report, Volume 1

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Successful pilot plant tests of simultaneous removal of S0{sub 2} and NO{sub x} in a wet lime flue gas desulfurization system were concluded in December. The tests, at up to 1.5 MW(e) capacity, were conducted by the Cincinnati Gas and Electric Company and Dravo Lime Company for the US Department of Energy at a pilot facility at the Miami Fort station of CG&E near Cincinnati, Ohio. The pilot plant scrubbed a slipstream of flue gas from Unit 7, a 530 MW coal-fired electric generating unit. Tests were conducted in three phases between April and December. The technology tested was wet ... continued below

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86 p.

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Smith, K.; Lani, B.; Berisko, D.; Schultz, C.; Carlson, W. & Benson, L.B. December 1, 1992.

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Description

Successful pilot plant tests of simultaneous removal of S0{sub 2} and NO{sub x} in a wet lime flue gas desulfurization system were concluded in December. The tests, at up to 1.5 MW(e) capacity, were conducted by the Cincinnati Gas and Electric Company and Dravo Lime Company for the US Department of Energy at a pilot facility at the Miami Fort station of CG&E near Cincinnati, Ohio. The pilot plant scrubbed a slipstream of flue gas from Unit 7, a 530 MW coal-fired electric generating unit. Tests were conducted in three phases between April and December. The technology tested was wet scrubbing with Thiosorbic{reg_sign} magnesium-enhanced lime for S0{sub 2} removal and simultaneous NO scrubbing with ferrous EDTA, a metal chelate. Magnesium-enhanced lime-based wet scrubbing is used at 20 full-scale high-sulfur coal-fired electric generating units with a combined capacity of 8500 NW. Ferrous EDTA reacts with nitric oxide, NO, which comprises about 95% of NO{sub x} from coal-fired boilers. In this report, although not precise, NO and NO{sub x} are used interchangably. A major objective of the tests was to combine NO{sub x} removal using ferrous EDTA, a developing technology, with SO{sub 2} removal using wet lime FGD, already in wide commercial use. If successful, this could allow wide application of this NO{sub x} removal technology.

Physical Description

86 p.

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OSTI as DE95004263

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  • Other Information: PBD: Dec 1992

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  • Other: DE95004263
  • Report No.: DOE/PC/90362--T1-Vol.1
  • Grant Number: AC22-90PC90362
  • DOI: 10.2172/48241 | External Link
  • Office of Scientific & Technical Information Report Number: 48241
  • Archival Resource Key: ark:/67531/metadc682410

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  • December 1, 1992

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  • July 25, 2015, 2:21 a.m.

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  • Nov. 30, 2015, 8:14 p.m.

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Smith, K.; Lani, B.; Berisko, D.; Schultz, C.; Carlson, W. & Benson, L.B. Enhanced NO{sub x} removal in wet scrubbers using metal chelates. Final report, Volume 1, report, December 1, 1992; United States. (digital.library.unt.edu/ark:/67531/metadc682410/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.