Evaluation of soil washing for radiologically contaminated soils
Abstract
Soil washing has been applied internationally to decontaminate soils due to the widespread increase in environmental awareness manifested in the United States by promulgation of the Comprehensive Environmental Response, Compensation and Liability Act, yet we continue to lack understanding on why the technique works in one application and not in another. A soil washing process typically integrates a variety of modules, each designed to decontaminate the matrix by destroying a particular phase or segregating a particle size fraction in which the contaminants are concentrated. The more known about how the contaminants are fixed, the more likely the process will succeed. Much can be learned from bioavailability studies on heavy metals in soils. Sequential extraction experiments designed to destroy one fixation mechanism at a time can be used to determine how contaminants are bound. This knowledge provides a technical basis for designing a processing strategy to efficiently decontaminate soil while creating a minimum of secondary wastes. In this study, a soil from the Idaho National Engineering Laboratory was physically and chemically characterized, then sequentially extracted to determine if soil washing could be effectively used to remove cesium, cobalt and chromium.
- Authors:
- Publication Date:
- Research Org.:
- Westinghouse Idaho Nuclear Co., Inc., Idaho Falls, ID (United States)
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 10163686
- Report Number(s):
- WINCO-1211
ON: DE94014944; TRN: 94:013731
- DOE Contract Number:
- AC07-84ID12435
- Resource Type:
- Technical Report
- Resource Relation:
- Other Information: PBD: Mar 1994
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 54 ENVIRONMENTAL SCIENCES; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; IDAHO NATIONAL ENGINEERING LABORATORY; RADIOACTIVE WASTE PROCESSING; SOILS; WASHING; SAMPLE PREPARATION; ENVIRONMENT; REMEDIAL ACTION; RADIOACTIVE WASTES; CONTAMINATION; EXTRACTION; CHEMICAL ANALYSIS; EVALUATION; CESIUM; COBALT; CHROMIUM; 052001; 054000; 540220; 540230; 400102; WASTE PROCESSING; HEALTH AND SAFETY; CHEMICALS MONITORING AND TRANSPORT; RADIOACTIVE MATERIALS MONITORING AND TRANSPORT; CHEMICAL AND SPECTRAL PROCEDURES
Citation Formats
Gombert, D II. Evaluation of soil washing for radiologically contaminated soils. United States: N. p., 1994.
Web. doi:10.2172/10163686.
Gombert, D II. Evaluation of soil washing for radiologically contaminated soils. United States. https://doi.org/10.2172/10163686
Gombert, D II. 1994.
"Evaluation of soil washing for radiologically contaminated soils". United States. https://doi.org/10.2172/10163686. https://www.osti.gov/servlets/purl/10163686.
@article{osti_10163686,
title = {Evaluation of soil washing for radiologically contaminated soils},
author = {Gombert, D II},
abstractNote = {Soil washing has been applied internationally to decontaminate soils due to the widespread increase in environmental awareness manifested in the United States by promulgation of the Comprehensive Environmental Response, Compensation and Liability Act, yet we continue to lack understanding on why the technique works in one application and not in another. A soil washing process typically integrates a variety of modules, each designed to decontaminate the matrix by destroying a particular phase or segregating a particle size fraction in which the contaminants are concentrated. The more known about how the contaminants are fixed, the more likely the process will succeed. Much can be learned from bioavailability studies on heavy metals in soils. Sequential extraction experiments designed to destroy one fixation mechanism at a time can be used to determine how contaminants are bound. This knowledge provides a technical basis for designing a processing strategy to efficiently decontaminate soil while creating a minimum of secondary wastes. In this study, a soil from the Idaho National Engineering Laboratory was physically and chemically characterized, then sequentially extracted to determine if soil washing could be effectively used to remove cesium, cobalt and chromium.},
doi = {10.2172/10163686},
url = {https://www.osti.gov/biblio/10163686},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 01 00:00:00 EST 1994},
month = {Tue Mar 01 00:00:00 EST 1994}
}