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Microbial mineralization of chlorinated phenols and biphenyls in sediment/water systems humic and clear-water lakes
Limnology, Department of Ecology, University of Lund .ORCID iD: 0000-0003-0344-1939
1989 (English)In: Water Research, ISSN 0043-1354, E-ISSN 1879-2448, Vol. 23, no 9, p. 1081-1085Article in journal (Refereed) Published
Abstract [en]

The microbial mineralization of three chlorophenols and a PCB mixture was studied using natural bacterial assemblages in laboratory model systems. The systems consisted of water and surface sediment from two lake types: one with a high content of humic substances and the other with a low content. Aerobic mineralization of the 14C-ring-labelled compounds was determined as production of 14CO2 in the systems. The mineralization rates of 3,4-dichlorophenol and 2,4,5-trichlorophenol were higher in humic cultures whereas pentachlorophenol showed higher rates in clear-water cultures. Mineralization of PCBs in the systems was low. Compared with microbial mineralization rates in cultures containing only lake water, the addition of sediment resulted in a decrease in DCP and TCP mineralization. Pentachlorophenol was mineralized at considerably higher rates in the presence of sediment. 

Place, publisher, year, edition, pages
1989. Vol. 23, no 9, p. 1081-1085
National Category
Ecology
Research subject
Natural Science, Aquatic Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-1289DOI: 10.1016/0043-1354(89)90151-6OAI: oai:DiVA.org:lnu-1289DiVA, id: diva2:308160
Available from: 2010-04-06 Created: 2010-04-06 Last updated: 2017-12-12Bibliographically approved

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Larsson, Per

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