Alterations in microbial community during the remediation of a black-odorous stream by acclimated composite microorganisms

作     者：Feng Shi Zongli Liu Jialin Li Huiwang Gao Song Qin Jingjing Guo Feng Shi;Zongli Liu;Jialin Li;Huiwang Gao;Song Qin;Jingjing Guo

作者机构：Key Lab of Coastal Biology and Biological Resource ConservationYantai Institute of Coastal Zone ResearchChinese Academy of SciencesYantai 264003China College of Environmental Science and EngineeringOcean University of ChinaQingdao 266100China Qingdao HOOH Environmental Protection Technology Co.Ltd.Qingdao 266073China 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2022年第34卷第8期

页      面：181-193页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 08[工学] 0815[工学-水利工程] 0703[理学-化学] 0713[理学-生态学] 

基　　金：supported by the Science and Technology program of Yantai (No. 2017ZH095)。 

主　　题：Black-odorous water Composite microorganisms Microbial community Environmental impact factors In-siu bioremediation 

摘      要：Microbial application is an efficient, economical, and ecofriendly method for remediating black-odorous rivers. In this study, the field treatment effect and microbial community changes were monitored during remediation by the acclimated complex microorganisms of a typical black-odorous stream. After the treatment, the total phosphorus and ammonia contents decreased by 74.0% and 76.3% and the concentrations of dissolved oxygen increased from 1.65 to 4.90 mg/L, indicating the effectiveness of the acclimated composite microorganisms. The proportion of Bacteroidetes decreased significantly by 48.1% and that of Firmicutes increased by 2.23% on average, and the microbial diversity index first increased and then tended to be uniform. Redundancy analysis demonstrated that the pH,dissolved oxygen, and oxidation-reduction potential together determined the composition of the microbial communities(p 0.05). These findings showed that the acclimated composite microorganisms can effectively remediate the black odor.