Chromium detoxification by fixed-film bioreactors
Book
·
OSTI ID:395325
- Univ. of Kentucky, Lexington, KY (United States)
In this study, completely mixed, continuous flow bioreactors were utilized to detoxify chromium. Glass beads were incorporated as a support medium for two strains of bacteria, Bacillus sp. and Pseudomonas fluorescens LB300 (LB300), growing aerobically in two separate reactors. Aerobic conditions were maintained in the reactors by continuously supplying fresh air to the liquid through gas exchange chambers installed on the recycle line of the bioreactors. Results obtained showed that near complete removal of chromate was possible for influent concentrations up to 200 mg/L for Bacillus sp., and up to 100 mg/L for LB300 at 24 hours liquid detention time. Similar results were obtained for corresponding loading rates at 12 hours and 6 hours liquid detention time.
- OSTI ID:
- 395325
- Report Number(s):
- CONF-9505206--
- Country of Publication:
- United States
- Language:
- English
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