Biodegradation of the mixture of 2,4,6-trichlorophenol, 4-chlorophenol, and phenol by a defined mixed culture

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Two new strains, Pseudomonas sp, TCP114 degrading 2,4,6-trichlorophenol (TCP) and Arthrobacter sp. CPR706 degrading 4-chlorophenol (4-CP), were isolated through a selective enrichment procedure. Both strains could also degrade phenol, The degradability of one component by a pure culture was strongly affected by the presence of other compounds in the medium, For example, when all three components (Top, 4-CP, and phenol) were present in the medium, a pure culture of CPR706 could not degrade any of the components present, This restriction on degradability could be overcome by employing a defined mixed culture of the two strains, The mixed culture could degrade all three components in the mixture through cooperative activity. It was also demonstrated that the mixed culture could be immobilized by using calcium alginate for the semi-continuous degradation of the three-component mixture, Immobilization not only accelerates the degradation rate, but also enables reuse of the cell mass several times without losing the cells' degrading capabilities.
Publisher
MICROBIOL RES FOUNDATION
Issue Date
1997
Language
English
Article Type
Article
Keywords

AROMATIC-COMPOUNDS; CALCIUM-ALGINATE; PSEUDOMONAS-SP; DEGRADATION; PENTACHLOROPHENOL; CHLOROPHENOLS; STRAINS; SOIL; CHROMATOGRAPHY; BACTERIUM

Citation

JOURNAL OF GENERAL AND APPLIED MICROBIOLOGY, v.43, no.2, pp.97 - 103

ISSN
0022-1260
DOI
10.2323/jgam.43.97
URI
http://hdl.handle.net/10203/77869
Appears in Collection
BS-Journal Papers(저널논문)
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