Reductive Dechlorination of DNAPL Trichloroethylene by Zero-Valent Iron

Abstract

The reduction of trichloroethyl (TCE) by metallic iron was studied under conditions in which the trichloroethylene would exist as a separate phase in a water/iron system. The products of the reaction were determined over time using gas chromatography (GC) and mass spectrometry (MS). The kinetics of the loss of TCE and the formation of chloride were determined to follow zero-order kinetics under these conditions with zero-order rate constants of 4.8 × 10