Composting systems for the bioremediation of chlorophenol-contaminated land
Conference
·
OSTI ID:490974
- Horticulture Research International, Wellesbourne (United Kingdom)
Chlorophenols are among the most environmentally hazardous and intractable xenobiotic compounds. Particular attention is being paid to pentachlorophenol (PCP). The microflora found in PCP-augmented compost and PCP-contaminated soils from Finland and the US were screened for their putative PCP-degradative abilities using both liquid and solid-state enrichment techniques. These putative degraders were isolated on R8 agar containing PCP. The capabilities of the putative PCP-degrading organisms, several of which are actinomycetes, were characterized in liquid culture using high-performance liquid chromatography and radiorespirometry. These isolated organisms have been found to colonize composts, and radiorespirometric studies are under way using [universally labeled (U)-{sup 14}C]PCP to determine the ability of these composts to mineralize the {sup 14}C-label to {sup 14}CO{sub 2} in small-scale composting units. The next stage will investigate mixes of chlorophenol-contaminated soils with enriched composts, thus evaluating the potential to remediate chlorophenol-contaminated soils.
- OSTI ID:
- 490974
- Report Number(s):
- CONF-950483--; ISBN 1-57477-008-X
- Country of Publication:
- United States
- Language:
- English
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