Anaerobic reductive dechlorination of perchloroethylene using periodic processes
Book
·
OSTI ID:153297
- Univ. of Notre Dame, IN (United States). Dept. of Civil Engineering and Geological Sciences
The Anaerobic Sequencing Batch Biofilm Reactor (AnSBBR) was used to select for, enrich, and modify the physiological state of one or more of the many possible microbial consortia that can participate in the reductive dechlorination of perchloroethylene (PCE). The AnSBBR`s used in these studies are periodically operated, up-flow, packed column, biofilm reactors. Initial AnSBBR studies demonstrated that PCE, fed at 8 mg/L, could be reductively dechlorinated to cis-1,2-dichloroethylene (cDCE) using either methanol or acetate as a co-substrate. PCE fed at over 160 mg/L could be completely reductively dechlorinated to ethylene when acetate was used as the co-substrate and methanol as the solvent for PCE addition. These studies support the hypothesis that the extent of reductive dechlorination is determined by environmental parameters which effect the physiological state of the bacterial consortium.
- OSTI ID:
- 153297
- Report Number(s):
- CONF-9506232--; ISBN 0-8194-1862-5
- Country of Publication:
- United States
- Language:
- English
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