Physical and Chemical Treatment of Contaminated Groundwater at Hazardous Waste Sitesby Thomas E. Higgins, CH2M Hill, Reston, VA, USA,
Stephen Romanow, CH2M Hill, Reston, VA, USA,
Abstract: In selecting an appropriate groundwater treatment system, three steps are normally followed. 1. A groundwater investigation is performed to determine the types and concentrations of contaminants that are present and the waste matrices in which they occur; 2. Cleanup goals are established and translated into effluent standards; 3. Appropriate treatment technologies are selected, based on waste composition, cleanup goals, and knowledge of performance characteristics from prior experience with similar waste. This paper elaborates on the process of how these steps have led to the selection of physical and chemical treatment processes for groundwater remediation at hazardous waste sites. Three case studies are presented that illustrate actual applications of these technologies.
Subject Headings: Occupational safety | Water treatment | Hazardous wastes | Waste sites | Groundwater pollution | Chemical treatment
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