固定化微生物细胞降解邻苯二甲酸二丁酯

TQ46; The biodegradation of di-n-butyl phthalate (DBF) using immobilized microbial cells was carried out in an internal airlift loop reactor with ceramic honeycomb supports. A strain that is capable of degrading DBF was isolated from the activated sludge and identified as Bacillus sp. using 16S rDNA...

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Published in:中国化学工程学报（英文版） 2007, Vol.15 (2), p.167-171
Main Authors: 孙晓然, 单忠键
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creator 孙晓然
单忠键
description TQ46; The biodegradation of di-n-butyl phthalate (DBF) using immobilized microbial cells was carried out in an internal airlift loop reactor with ceramic honeycomb supports. A strain that is capable of degrading DBF was isolated from the activated sludge and identified as Bacillus sp. using 16S rDNA sequential analysis. Bacillus sp. could be rapidly attached onto the ceramic honeycomb supports. The immobilized cells could effectively degrade DBF in batch and continuous experiments. When the influent concentration of DBF was 50mg·L-1, the effluent DBF reached less than 1mg·L-1 with 6h hydraulic retention time (HRT) in continuous experiment. The immobilized microbial cells could grow and accumulate through the biodegradation of DBF, and the rate of degradation is accordingly increased. The possible pathway of DBF biodegradation using immobilized cells was tentatively proposed.
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title 固定化微生物细胞降解邻苯二甲酸二丁酯
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