期刊
CHEMOSPHERE
卷 92, 期 9, 页码 1201-1206出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2013.03.064
关键词
Microcystis aeruginosa; Nitrobenzene; Haloacetic acids formation potential; Microcystin-LR; Growth inhibition
资金
- Funds for Creative Research Groups of China [51121062]
- National Natural Science Foundation of China [50778048]
- State key Lab of Urban Water Resource and Environment (HIT) [QA200905]
The potential water quality problems caused by the interaction between nitrobezene (NB) and Microcystis aeruginosa was investigated by studying the growth inhibition, the haloacetic acids formation potential (HAAFP) and the secretion of microcystin-LR (MC-LR). The results showed that NB can inhibit the growth of M. aeruginosa, and the value of EC50 increased with the increase of initial algal density. Although NB can hardly react with chlorine to form HAAs, the presence of NB can enhance the HAAFP productivity. The secretion of the intracellular MC-LR is constant under the steady experimental conditions. However, the presence of NB can reduce the MC-LR productivity of M. aeruginosa. Overall, the increased disinfection risk caused by the interaction has more important effect on the safety of drinking water quality than the benefit of the decreased MC-LR productivity, and should be serious considered when the water contained NB and M. aeruginosa is used as drinking water source. (C) 2013 Elsevier Ltd. All rights reserved.
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