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MEMBRANE TECHNOLOGIES FOR REMEDIATING CONTAMINATED SOILS: A CRITICAL REVIEW
Citation:
Sikdar*, S K., D. Grosse*, AND I. Rogut*. MEMBRANE TECHNOLOGIES FOR REMEDIATING CONTAMINATED SOILS: A CRITICAL REVIEW. doi:10.1016/S0376-73, JOURNAL OF MEMBRANE SCIENCE. Elsevier Science BV, Amsterdam, Netherlands, 151:75-85, (1998).
Impact/Purpose:
information
Description:
Regulatory compliance requires the cleanup of soils contaminated with toxic organic and metallic compounds. Several chemical and thermal detoxification technologies have been tested on soils excavated from contaminated sites. Soil washing with aqueous solutions transfers the contaminants from the solid matrix to the wash liquor, which then needs to be further treated. Membranes have not been used much for concentrating these wash liquors. However, several membrane techniques appear promising. In these techniques, the main objective is to find ways of concentrating the contaminants with much higher volume reduction than is customarily available. Applications of membranes to soil washings should primarily be looked upon as an inexpensive aid to other treatment technologies which determine the ultimate of the contaminants, i.e., either destruction or disposal.
