Control of trace metal emissions during coal combustion. Technical progress report, July 1, 1995--September 30, 1995

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Emissions of toxic trace metals in the form of metal fumes or submicron particulates from a coal-fired combustion source have received greater environmental and regulatory concern over the past years. Current practice of controlling these emissions is to collect them at the cold-end of the process by air-pollution control devices (APCDs) such as electrostatic precipitators and baghouses. However, trace metal fumes may not always be effectively collected by these devices because the fumes are extremely small. The proposed research is to explore the opportunities for improved control of toxic trace metal emissions, alternatively, at the hot-end of the coal combustion ... continued below

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13 p.

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Ho, T.C. October 1, 1995.

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Description

Emissions of toxic trace metals in the form of metal fumes or submicron particulates from a coal-fired combustion source have received greater environmental and regulatory concern over the past years. Current practice of controlling these emissions is to collect them at the cold-end of the process by air-pollution control devices (APCDs) such as electrostatic precipitators and baghouses. However, trace metal fumes may not always be effectively collected by these devices because the fumes are extremely small. The proposed research is to explore the opportunities for improved control of toxic trace metal emissions, alternatively, at the hot-end of the coal combustion process, i.e., in the combustion chamber. The technology proposed is to prevent the metal fumes from forming during the process, which would effectively eliminate the metal emission problems. Specifically, the technology is to employ suitable sorbents to reduce the amount of metal volatilization during combustion and capture volatilized metal vapors. The objectives of the project are to demonstrate the technology and to characterize the metal capture process during coal combustion in a fluidized bed combustor.

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13 p.

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OSTI as DE96050257

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  • Other Information: PBD: Oct 1995

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  • Other: DE96050257
  • Report No.: DOE/PC/94221--T6
  • Grant Number: FG22-94PC94221
  • DOI: 10.2172/288828 | External Link
  • Office of Scientific & Technical Information Report Number: 288828
  • Archival Resource Key: ark:/67531/metadc667131

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  • October 1, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Nov. 19, 2015, 6:34 p.m.

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Ho, T.C. Control of trace metal emissions during coal combustion. Technical progress report, July 1, 1995--September 30, 1995, report, October 1, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc667131/: accessed June 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.