Decoupling Fe Application and Bioaugmentation in Space and Time Enables Microbial Reductive Dechlorination of Trichloroethene to Ethene: Evidence from Soil Columns.

Fe is a powerful chemical reductant with applications for remediation of chlorinated solvents, including tetrachloroethene and trichloroethene. Its utilization efficiency at contaminated sites is limited because most of the electrons from Fe are channeled to the reduction of water to H rather than to the reduction of the contaminants. Coupling Fe with H-utilizing organohalide-respiring bacteria (i.