Kinetics and Mechanisms of Metal Retention/Release in Geochemical Processes in Soil

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The effective remediation of DOE superfund sites contaminated by toxic heavy metals has been hampered by the paucity of knowledge about the kinetics and mechanism(s) of heavy metal retention/release by site media particles. Thus remediation strategies have been costly and ineffective. The information acquired in this project should assist in improving remediation strategies for toxic heavy metals contaminated soils. The objectives are: (1) To determine the effects of residence time on the mechanisms of heavy metals [i.e., Cr(IV), Cu(II), Co(II), and Pb(II)] sorption/release on soil clay mineral surfaces using kinetic studies coupled to extended x-ray absorption fine structure (EXAFS) spectroscopy ... continued below

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Taylor, Robert W. June 1999.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 31 times . More information about this report can be viewed below.

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  • Alabama A & M University
    Publisher Info: Alabama A&M University, Normal, Alabama (United States)
    Place of Publication: Normal, Alabama

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Description

The effective remediation of DOE superfund sites contaminated by toxic heavy metals has been hampered by the paucity of knowledge about the kinetics and mechanism(s) of heavy metal retention/release by site media particles. Thus remediation strategies have been costly and ineffective. The information acquired in this project should assist in improving remediation strategies for toxic heavy metals contaminated soils. The objectives are: (1) To determine the effects of residence time on the mechanisms of heavy metals [i.e., Cr(IV), Cu(II), Co(II), and Pb(II)] sorption/release on soil clay mineral surfaces using kinetic studies coupled to extended x-ray absorption fine structure (EXAFS) spectroscopy and fourier transform infrared (FTIR) spectroscopy. (2) To study the effect of temperature, pH, and phosphate on metal sorption by clay minerals and derive thermodynamic parameters to describe the sorption process.

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  • Other Information: PBD: 1 Jun 1999

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  • Report No.: EMSP-55014--1999
  • Grant Number: FG07-96ER14718
  • DOI: 10.2172/827354 | External Link
  • Office of Scientific & Technical Information Report Number: 827354
  • Archival Resource Key: ark:/67531/metadc787390

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • June 1999

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  • Dec. 3, 2015, 9:30 a.m.

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  • May 6, 2016, 1:26 p.m.

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Taylor, Robert W. Kinetics and Mechanisms of Metal Retention/Release in Geochemical Processes in Soil, report, June 1999; Normal, Alabama. (digital.library.unt.edu/ark:/67531/metadc787390/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.