Complete degradation of polychlorinated biphenyls by a combination of ultraviolet and biological treatments

A method combining ultraviolet (UV) irradiation followed by microbial treatment was successfully applied to the efficient and complete degradation of polychlorinated biphenyls (PCBs). By UV irradiation, most PCB congeners in a methanol solution were transformed into lesser chlorinated compounds cont...

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Bibliographic Details
Published in:Journal of fermentation and bioengineering 1996-01, Vol.81 (6), p.573-576
Main Authors: Shimura, Minoru, Koana, Takao, Fukuda, Masao, Kimbara, Kazuhide
Format: Article
Language:English
Subjects:
BIFENILOS POLICLORADOS
BIODEGRADACION
BIODEGRADATION
Biodegradation of pollutants
Biological and medical sciences
biological degradation
Biotechnology
Environment and pollution
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
IRRADIACION ULTRAVIOLETA
IRRADIATION ULTRAVIOLETTE
polychlorinated biphenyl
POLYCHLORINATED BIPHENYLS
POLYCHLORURE DE BIPHENYLE
PSEUDOMONAS
Pseudomonas alcaligenes
ULTRAVIOLET IRRADIATION
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Summary:A method combining ultraviolet (UV) irradiation followed by microbial treatment was successfully applied to the efficient and complete degradation of polychlorinated biphenyls (PCBs). By UV irradiation, most PCB congeners in a methanol solution were transformed into lesser chlorinated compounds containing less than three chlorines. The resultant UV-irradiated PCBs were then subjected to microbial degradation by Pseudomonas alcaligenes TK102, resulting in their complete degradation within a week.
ISSN:0922-338X
DOI:10.1016/0922-338X(96)81485-1