Technology Application Analysis: Physical Separation and Acid Leaching (ADemonstration of Small Arms Range Remediation at Fort Polk, Louisiana)

摘要

The U.S. Army Environmental Center in partnership with the Naval FacilitiesEngineering Services Center and the U.S. Army Engineer Waterways Experiment Station demonstrated Physical Separation Leaching methods for the remediation of small arms range soils. The demonstration occurred at Fort Polk, Louisiana. After conducting a world wide search, two vendors were selected to demonstrate two variations of the physical separation leaching technologies. The first wing a process based on acetic (weak) acid chemistry and the second based on hydrochloric (strong) acid chemistry. Following completion of the bench treatability studies, each vendor performed a full scale (5-10 tons per hour, 1000 tons total) demonstration of their respective technologies. This report documents the independent evaluation of the physical separation acid leaching technology and its application at Fort Polk. The report provides a summary of the performance objectives, site intrastructure and logistics of the demonstration. The report also provides a description of the equipment and processes necessary to accomplish physical separation acid leaching, the methodology wed to evaluate the technologies during the demonstration, lessons learned and the demonstration results to include: effectiveness, applicability, and cost.