喹啉降解菌Ochrobactrum sp.的好氧降解特性及其在焦化废水中的生物强化作用
发布时间：2019-04-28 09:31
【摘要】：喹啉是焦化废水中的难降解有机物之一,以喹啉为唯一碳氮源从某焦化废水处理厂活性污泥中分离出1株喹啉降解菌KDQ3,16S r DNA序列分析表明KDQ3为Ochrobactrum sp.,其对喹啉降解的最适条件为37℃和初始pH 7.0~8.0,喹啉降解动力学符合Haldane模型.KDQ3能在10.4 mg·L~(-1)Cr(Ⅵ)存在时降解200 mg·L~(-1)喹啉.此外,KDQ3能在实际好氧池焦化废水环境中降解喹啉和提高COD去除率,说明该菌具有生物强化焦化废水的应用潜力.
[Abstract]:Quinoline is one of the refractory organic compounds in coking wastewater. Using quinoline as the only carbon and nitrogen source, a strain of quinoline degrading bacterium KDQ3,16S r DNA was isolated from activated sludge of a coking wastewater treatment plant. The sequence analysis showed that KDQ3 was Ochrobactrum sp.,. The optimum condition for the degradation of quinoline is 37 鈩，
本文编号：2467526
[Abstract]:Quinoline is one of the refractory organic compounds in coking wastewater. Using quinoline as the only carbon and nitrogen source, a strain of quinoline degrading bacterium KDQ3,16S r DNA was isolated from activated sludge of a coking wastewater treatment plant. The sequence analysis showed that KDQ3 was Ochrobactrum sp.,. The optimum condition for the degradation of quinoline is 37 鈩，
本文编号：2467526
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