Mercury emissions control technologies for mixed waste thermal treatment

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EPA has identified wet scrubbing at low mercury feedrates, as well as carbon adsorption via carbon injection into the offgas or via flow through fixed carbon beds, as control technologies that can be used to meet the proposed Maximum Achievable Control Technology (MACT) rule limit for mercury emissions from hazardous waste incinerators. DOE is currently funding demonstrations of gold amalgamation that may also control mercury to the desired levels. Performance data from a variety of sources was reviewed to determine ranges of achievable mercury control. Preliminary costs were estimated for using these technologies to control mercury emissions from mixed waste ... continued below

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12 p.

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Chambers, A.; Knecht, M.; Soelberg, N.; Eaton, D.; Roberts, D. & Broderick, T. December 31, 1997.

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Description

EPA has identified wet scrubbing at low mercury feedrates, as well as carbon adsorption via carbon injection into the offgas or via flow through fixed carbon beds, as control technologies that can be used to meet the proposed Maximum Achievable Control Technology (MACT) rule limit for mercury emissions from hazardous waste incinerators. DOE is currently funding demonstrations of gold amalgamation that may also control mercury to the desired levels. Performance data from a variety of sources was reviewed to determine ranges of achievable mercury control. Preliminary costs were estimated for using these technologies to control mercury emissions from mixed waste incineration. Mercury emissions control for mixed waste incineration may need to be more efficient than for incineration of other hazardous wastes because of higher mercury concentrations in some mixed waste streams. However, mercury control performance data for wet scrubbing and carbon adsorption is highly variable. More information is needed to demonstrate control efficiencies that are achievable under various design and operating conditions for wet scrubbing, carbon adsorption, and gold amalgamation technologies. Given certain assumptions made in this study, capital costs, operating costs, and lifecycle costs for carbon injection, carbon beds, and gold amalgamation generally vary for different assumed mercury feedrates and for different offgas flowrates. Assuming that these technologies can in fact provide the necessary mercury control performance, each of these technologies may be less costly than the others for certain mercury feedrates and the offgas flowrates.

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12 p.

Notes

INIS; OSTI as DE98056074

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  • 1998 international conference on incineration and thermal treatment technologies, Salt Lake City, UT (United States), 17-20 Apr 1998

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  • Other: DE98056074
  • Report No.: INEEL/CON--97-01225
  • Report No.: CONF-980472--
  • Grant Number: AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 663460
  • Archival Resource Key: ark:/67531/metadc712507

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 31, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • June 13, 2016, 8:13 p.m.

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Chambers, A.; Knecht, M.; Soelberg, N.; Eaton, D.; Roberts, D. & Broderick, T. Mercury emissions control technologies for mixed waste thermal treatment, article, December 31, 1997; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc712507/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.