SCREENING OF DECHLORINATION SYSTEMS FOR DEGRADATIVE SOLIDIFICATION/STABILIZATION OF TETRACHLOROETHYLENE

Hwang, Inseong; Park, Joo-Yang

Environmental Engineering Research 2000;5(3): 157-164.

¹Department of Civil Engineering, Texas A&M University, College Station, Texas 77840, USA
²Department of Civil Engineering, Hanyang University, Seoul 133-791, Korea

Corresponding Author: Joo-Yang Park ,

Received: August 6, 2000; Accepted: September 6, 2000.

ABSTRACT

Degradative solidification/stabilization (DS/S) is a potential new technology to remediate sites contaminated with chlorinated hydrocarbons or mixtures of chlorinated hydrocarbons and inorganics such as heavy metals. Experimental studies were conducted to screen a wide range of reagents that could be used to treat chlorinated hydrocarbons. Tetrachloroethylene was used as a model chlorinated hydrocarbon. The screening experiments tested a total of 36 systems that included combinations of different types of binders, electron donors, and electron carriers. A combination of ferrous iron and Portland cement was identified as a potentially effective DS/S system for chlorinated hydrocarbons.