Environmental Management Science Program (EMSP) Annual Report

Arnold, William A. ; Cussler, Edward L.

University of Minnesota

关键词: Management;    Membranes;    Stabilization;    Strontium;    36 Materials Science;   

DOI  :  10.2172/835480
RP-ID  :  EMSP-86800-2003
RP-ID  :  FG07-02ER63509
RP-ID  :  835480

美国|英语

来源: UNT Digital Library

【 摘 要 】

The treatment or remediation of contaminants at some sites is neither technically nor economically feasible. Containment or stabilization of these subsurface contaminants, therefore, may be the only viable alternative for the protection of human and ecological health. The overall goal of the proposed research is the development of reactive membrane barriers which dramatically enhance containment. Reactive particles in these barriers serve to either immobilize or transform contaminants within the membrane, and thus increase the time to breakthrough. These membranes are a powerful, novel, and versatile technique to contain and stabilize subsurface contaminants. This work focuses on reactive membrane barriers containing either zero-valent iron (Fe0) particles (which can reduce metals and chlorinated solvents) or crystalline silicotitanate (CST, a selective ion exchanger of cesium and strontium) particles.