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Title: Improved Decontamination: Interfacial, Transport, and Chemical Properties of Aqueous Surfactant Cleaners

Technical Report ·
DOI:https://doi.org/10.2172/831207· OSTI ID:831207

This investigation is focused on decontamination using environmentally benign aqueous solutions, specifically the removal of organics and associated radionuclide and heavy-metal contaminants by surfactants. Aqueous-based solutions promise several advantages for decontamination processes, including low hazard potential, low cost, and reduced secondary waste volume through solvent recycle, solvent degradation, and/or incineration. The work aims at gaining an understanding of interfacial, transport, and chemical processes that govern the effectiveness of aqueous-based surfactant solutions for decontamination of surfaces. In addition, efficient means for separation of waste materials from aqueous-based cleaners will be investigated. It is intended that the understanding developed in this work will be applied to decontamination/decommissioning tasks by laboratory testing of samples from DOE contaminated sites, and that the tests will provide the basis for improved approaches for removal of organic contamination.

Research Organization:
Oak Ridge National Laboratory, Oak Ridge, TN; University of Tennessee, Knoxville, Tennessee (US)
Sponsoring Organization:
USDOE Office of Environmental Management (EM) (US)
DOE Contract Number:
FG07-98ER62715
OSTI ID:
831207
Report Number(s):
EMSP-64912-1999; R&D Project: EMSP 64912; TRN: US200430%%283
Resource Relation:
Other Information: PBD: 1 Jun 1999
Country of Publication:
United States
Language:
English