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Studies on the co‐disposal of o ‐cresol with municipal refuse
Author(s) -
WatsonCraik Irene A.,
Senior Eric
Publication year - 1996
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/(sici)1097-4660(199601)65:1<72::aid-jctb410>3.0.co;2-8
Subject(s) - cresol , chemistry , phenol , leachate , biodegradation , methane , environmental chemistry , population , methanogenesis , acclimatization , waste management , pulp and paper industry , environmental engineering , environmental science , organic chemistry , biology , ecology , medicine , environmental health , engineering
The impact of o ‐cresol on the degradation of municipal refuse from a landfill site in the west of Scotland, was investigated by the use of laboratory models. o ‐Cresol was anaerobically degraded by a microbial population enriched and isolated from refuse. Physicochemical processes accounted for <30% removal over 85 days. Batch culture studies demonstrated the anaerobic mineralisation of o ‐cresol (≤1 mmol dm −3 ) to methane. The rate of o ‐cresol attenuation increased with the frequency of o ‐cresol supplementation. The study acclimatisation showed that 18–49 days were required for initial acclimatisation of an o ‐cresol degrading microbial association. The initial presence of phenol also induced o ‐cresol degradation. Leachate recirculation promoted both the production of methane and o ‐cresol mineralisation.