In situ RF/microwave remediation of soil experiment overview

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Contaminant plumes are significant waste problems that require remediation in both the government and private sectors. The authors have developed an in situ process that uses RF/microwave stimulation to remove pollutants from contaminated soils. This process is more efficient than existing technologies, creates less secondary pollution, and is applicable to situations that are not amenable to treatment by existing technologies. Currently the most commonly used process is soil vapor extraction. However, even when it is successful, this technology is energy inefficient. The objective is to combine RF/microwave energy application with soil vapor extraction to help mobilize and efficiently remove the ... continued below

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8 p.

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Regan, A.H.; Roybal, W.T.; Ortega, R.; Palomares, M.; Rees, D.E. & Tischler, D. June 1, 1996.

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Description

Contaminant plumes are significant waste problems that require remediation in both the government and private sectors. The authors have developed an in situ process that uses RF/microwave stimulation to remove pollutants from contaminated soils. This process is more efficient than existing technologies, creates less secondary pollution, and is applicable to situations that are not amenable to treatment by existing technologies. Currently the most commonly used process is soil vapor extraction. However, even when it is successful, this technology is energy inefficient. The objective is to combine RF/microwave energy application with soil vapor extraction to help mobilize and efficiently remove the soil contaminants, specifically demonstrating the viability of RF/microwave induced, in situ, soil remediation of light and dense non-aqueous phase liquids (LNAPL, DNAPL) contaminants. The authors have conducted a number of benchtop experiments involving RF/microwave energy deposition and vapor extraction on controlled contaminated soil samples with successful removal of the contaminants. This paper will describe the experimental hardware utilized, the experiments performed, the chemical analysis performed pre- and post-energy application, and results. In the experiments, two different halogenated liquids were used to contaminate the soil: carbon tetrachloride and 1,1,1-trichloroethane.

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8 p.

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OSTI as DE96009240

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  • SPECTRUM `96: international conference on nuclear and hazardous waste management, Seattle, WA (United States), 18-23 Aug 1996

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  • Other: DE96009240
  • Report No.: LA-UR--96-1315
  • Report No.: CONF-960804--20
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 257382
  • Archival Resource Key: ark:/67531/metadc669083

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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 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Feb. 25, 2016, 7:43 p.m.

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Regan, A.H.; Roybal, W.T.; Ortega, R.; Palomares, M.; Rees, D.E. & Tischler, D. In situ RF/microwave remediation of soil experiment overview, article, June 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc669083/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.