Lasagna Soil Remediation

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Description

Lasagna{trademark} is an integrated, in situ remediation technology being developed which remediates soils and soil pore water contaminated with soluble organic compounds. Lasagna{trademark} is especially suited to sites with low permeability soils where electroosmosis can move water faster and more uniformly than hydraulic methods, with very low power consumption. The process uses electrokinetics to move contaminants in soil pore water into treatment zones where the contaminants can be captured and decomposed. Initial focus is on trichloroethylene (TCE), a major contaminant at many DOE and industrial sites. Both vertical and horizontal configurations have been conceptualized, but fieldwork to date is more ... continued below

Physical Description

19 p.

Creation Information

Creator: Unknown. April 1996.

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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. More information about this report can be viewed below.

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Titles

  • Added Title: Lasagna{trademark} soil remediation
  • Main Title: Lasagna Soil Remediation

Description

Lasagna{trademark} is an integrated, in situ remediation technology being developed which remediates soils and soil pore water contaminated with soluble organic compounds. Lasagna{trademark} is especially suited to sites with low permeability soils where electroosmosis can move water faster and more uniformly than hydraulic methods, with very low power consumption. The process uses electrokinetics to move contaminants in soil pore water into treatment zones where the contaminants can be captured and decomposed. Initial focus is on trichloroethylene (TCE), a major contaminant at many DOE and industrial sites. Both vertical and horizontal configurations have been conceptualized, but fieldwork to date is more advanced for the vertical configuration. Major features of the technology are electrodes energized by direct current, which causes water and soluble contaminants to move into or through the treatment layers and also heats the soil; treatment zones containing reagents that decompose the soluble organic contaminants or adsorb contaminants for immobilization or subsequent removal and disposal; and a water management system that recycles the water that accumulates at the cathode (high pH) back to the anode (low pH) for acid-base neutralization. Alternatively, electrode polarity can be reversed periodically to reverse electroosmotic flow and neutralize pH.

Physical Description

19 p.

Notes

INIS; OSTI as DE96014787

Source

  • Other Information: PBD: Apr 1996

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Identifier

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  • Other: DE96014787
  • Report No.: DOE/EM--0308
  • Grant Number: AC05-84OR21400
  • DOI: 10.2172/373851 | External Link
  • Office of Scientific & Technical Information Report Number: 373851
  • Archival Resource Key: ark:/67531/metadc675456

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • April 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Nov. 23, 2015, 4:11 p.m.

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Lasagna Soil Remediation, report, April 1996; United States. (digital.library.unt.edu/ark:/67531/metadc675456/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.