Development of an integrated, in-situ remediation technology: Task 1 -- Evaluation of treatment zone formation options. Topical report, September 26, 1994--May 25, 1996

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Contamination in low permeability soils poses a significant technical challenge to in-situ remediation efforts. Poor accessibility to the contaminants and difficulty in delivery of treatment reagents have rendered existing in-situ treatments such as bioremediation, vapor extraction, pump and treat rather ineffective when applied to low permeability soils present at many contaminated sites. The technology is an integrated in-situ treatment in which established geotechnical methods are used to install degradation zones directly in the contaminated soil and electro-osmosis is utilized to move the contaminants back and forth through those zones until the treatment is completed. This topical report presents the results ... continued below

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83 p.

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Shoemaker, S. H.; Landis, R. C.; Griffith, R. J.; Schultz, D. S. & Quinton, G. E. May 1, 1997.

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Description

Contamination in low permeability soils poses a significant technical challenge to in-situ remediation efforts. Poor accessibility to the contaminants and difficulty in delivery of treatment reagents have rendered existing in-situ treatments such as bioremediation, vapor extraction, pump and treat rather ineffective when applied to low permeability soils present at many contaminated sites. The technology is an integrated in-situ treatment in which established geotechnical methods are used to install degradation zones directly in the contaminated soil and electro-osmosis is utilized to move the contaminants back and forth through those zones until the treatment is completed. This topical report presents the results of evaluations by E.I. duPont de Nemours and Co., Inc. of treatment zone and electrode emplacement alternatives for use in the integrated treatment process. Specifically, the scope of this study was limited to vertical configuration emplacements. Several promising alternatives were identified ranging from approaches involving standard excavation techniques to relatively specialized geotechnical construction methods which could be modified for the treatment zone emplacement purpose. Information developed in this report is designed to help the user select the most promising emplacement method(s) for a given site on the basis of (1) depth of emplacement, and (2) restrictions on handling excavated soils. Advantages, disadvantages, and estimated costs are identified for each alternative, and possible bases for improvement and cost reduction through further development are described.

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83 p.

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OSTI as DE97005440

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  • Other Information: PBD: May 1997

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  • Other: DE97005440
  • Report No.: DOE/MC/31185--5436
  • Grant Number: AR21-94MC31185
  • DOI: 10.2172/654065 | External Link
  • Office of Scientific & Technical Information Report Number: 654065
  • Archival Resource Key: ark:/67531/metadc705806

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • June 14, 2016, 3 p.m.

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Shoemaker, S. H.; Landis, R. C.; Griffith, R. J.; Schultz, D. S. & Quinton, G. E. Development of an integrated, in-situ remediation technology: Task 1 -- Evaluation of treatment zone formation options. Topical report, September 26, 1994--May 25, 1996, report, May 1, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc705806/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.