Lead immobilization in thermally remediated soils and igneous rocks

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Description

This is the final report for a three-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). The principal goal of this project was to investigate the speciation of lead in the environment at LANL and to determine the feasibility of using thermal remediation methods to immobilize lead in the environment. Lead occurs as pyromorphite [Pb(PO{sub 4}){sub 3}(Cl, OH)], cerussite (PbCO{sub 3}) and galena (PbS) in vapor-phase-altered Bandelier Tuff samples. LANL soils primarily contain cerussite and PbO. Thermal remediation experiments at high temperatures (up to 400 C) suggest that thermal immobilization of highly-reactive Pb compounds in ... continued below

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23 p.

Creation Information

Hickmott, D.D.; Carey, J.W.; Stimac, J.; Larocque, A.; Abell, R.; Gauerke, E. et al. June 1, 1997.

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  • Hickmott, D.D.
  • Carey, J.W. Los Alamos National Lab., NM (United States). Earth and Environmental Science Div.
  • Stimac, J.
  • Larocque, A. Univ. of Manitoba, Winnipeg, Manitoba (Canada). Dept. of Geological Sciences
  • Abell, R. Virginia Polytechnic Inst. and State Univ., Blacksburg, VA (United States). Dept. of Geological Sciences
  • Gauerke, E. Univ. of New Mexico, Albuquerque, NM (United States). Dept. of Geological Sciences
  • Eppler, A. Univ. of California, Berkeley, CA (United States). Dept. of Chemistry

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Description

This is the final report for a three-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). The principal goal of this project was to investigate the speciation of lead in the environment at LANL and to determine the feasibility of using thermal remediation methods to immobilize lead in the environment. Lead occurs as pyromorphite [Pb(PO{sub 4}){sub 3}(Cl, OH)], cerussite (PbCO{sub 3}) and galena (PbS) in vapor-phase-altered Bandelier Tuff samples. LANL soils primarily contain cerussite and PbO. Thermal remediation experiments at high temperatures (up to 400 C) suggest that thermal immobilization of highly-reactive Pb compounds in the environment may be feasible, but that this technique is not optimal for more refractory lead phases such as cerussite and PbO.

Physical Description

23 p.

Notes

INIS; OSTI as DE97007443

Source

  • Other Information: PBD: [1997]

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  • Other: DE97007443
  • Report No.: LA-UR--97-1175
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/481516 | External Link
  • Office of Scientific & Technical Information Report Number: 481516
  • Archival Resource Key: ark:/67531/metadc676153

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • June 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

Description Last Updated

  • May 20, 2016, 1:27 p.m.

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Hickmott, D.D.; Carey, J.W.; Stimac, J.; Larocque, A.; Abell, R.; Gauerke, E. et al. Lead immobilization in thermally remediated soils and igneous rocks, report, June 1, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc676153/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.