Toxic combustion by-products: Generation, separation, cleansing, containment

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Focus of this paper is on diagnosis, control, and containment of potentially toxic combustion byproducts when mixed wastes are treated at elevated temperatures. Such byproducts fall into several categories: acid gases, particulates, metals, organics. Radionuclides are treated as a subset of metals, while organics are divided into two subclasses: products of incomplete combustion, and principal organic hazardous constituents. An extended flue gas cleaning system is described which can be used to contain potentially toxic organic emissions and recycle the hazrdous materials for further treatment; it uses oxygen rather than air to reduce total quantities of emissions, improve efficiency of oxidation, ... continued below

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41 p.

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Kephart, W.; Eger, K.; Angelo, F. & Clemens, M.K. December 31, 1995.

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Description

Focus of this paper is on diagnosis, control, and containment of potentially toxic combustion byproducts when mixed wastes are treated at elevated temperatures. Such byproducts fall into several categories: acid gases, particulates, metals, organics. Radionuclides are treated as a subset of metals, while organics are divided into two subclasses: products of incomplete combustion, and principal organic hazardous constituents. An extended flue gas cleaning system is described which can be used to contain potentially toxic organic emissions and recycle the hazrdous materials for further treatment; it uses oxygen rather than air to reduce total quantities of emissions, improve efficiency of oxidation, and minimize NOx emissions. Flue gas recycling is used for cooling and for containing all potentially toxic emissions. Three thermal treatment unit operations are used in series for more effective process control; three emission separation and containment unit operations are also used in series in the toxic emission containment system. Real time diagnostic hardware/software are used. Provision is made for automatic storage, separation of hazardous materials, commodity regeneration, and recycling of potentially harmful constituents. The greenhouse gas CO2 is recovered and not emitted to the atmosphere.

Physical Description

41 p.

Notes

OSTI as DE96010791

Source

  • 4. international congress on toxic combustion byproducts, Berkeley, CA (United States), 5-7 Jun 1995

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  • Other: DE96010791
  • Report No.: ANL/CMT/CP--85487
  • Report No.: CONF-950647--2
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 231894
  • Archival Resource Key: ark:/67531/metadc664338

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 16, 2015, 4:48 p.m.

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Kephart, W.; Eger, K.; Angelo, F. & Clemens, M.K. Toxic combustion by-products: Generation, separation, cleansing, containment, article, December 31, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc664338/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.