Gas: A Neglected Phase in Remediation of Metals and Radionuclides

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Description

The gas phase is generally ignored in remediation of metals and radionuclides because it is assumed that there is no efficient way to exploit it. In the literal sense, all remediations involve the gas phase because this phase is linked to the liquid and solid phases by vapor pressure and thermodynamic relationships. Remediation methods that specifically use the gas phase as a central feature have primarily targeted volatile organic contaminants, not metals and radionuclides. Unlike many organic contaminants, the vapor pressure and Henry's Law constants of metals and radionuclides are not generally conducive to direct air stripping of dissolved contaminants. ... continued below

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Denham, Miles E. & Looney, Brian B September 28, 2005.

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Description

The gas phase is generally ignored in remediation of metals and radionuclides because it is assumed that there is no efficient way to exploit it. In the literal sense, all remediations involve the gas phase because this phase is linked to the liquid and solid phases by vapor pressure and thermodynamic relationships. Remediation methods that specifically use the gas phase as a central feature have primarily targeted volatile organic contaminants, not metals and radionuclides. Unlike many organic contaminants, the vapor pressure and Henry's Law constants of metals and radionuclides are not generally conducive to direct air stripping of dissolved contaminants. Nevertheless, the gas phase can play an important role in remediation of inorganic contaminants and provide opportunities for efficient, cost effective remediation. The objective here is to explore ways in which manipulation of the gas phase can be used to facilitate remediation of metals and radionuclides.

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  • Journal Name: Environmental Science and Technology

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  • Report No.: WSRC-MS-2005-00589
  • Grant Number: DE-AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 881473
  • Archival Resource Key: ark:/67531/metadc886023

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  • September 28, 2005

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 7, 2016, 2:57 p.m.

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Denham, Miles E. & Looney, Brian B. Gas: A Neglected Phase in Remediation of Metals and Radionuclides, article, September 28, 2005; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc886023/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.