Enhancement of Pentachlorophenol Degradation in Soil through Induced Anaerobiosis and Bioaugmentation with Anaerobic Sewage Sludget Mark D. Mikesell and Stephen A. Boyd" Department of Crop and Soil Sciences, Michigan State University, East Lansing, Michigan 48824
The addition of biologically active anaerobic sewage sludge, previously shown to dechlorinate chlorophenols, to soil contaminated with pentachlorophenol (PCP) resulted in greatly enhanced rates of PCP degradation. The sludge was added to soil at a rate of 5 g kg-l (dry weight basis) and the mixture incubated anaerobically. Initial PCP concentrations of 10-30 mg kg-' (ppm) were completely (
