优化生物组合技术提高黑臭水体净化效能

王海珊; 邹平; 戴犇; 朱芳芳; 王籽橦; 艾贤思琪

doi:10.13205/j.hjgc.202101003

优化生物组合技术提高黑臭水体净化效能

doi: 10.13205/j.hjgc.202101003

王海珊^1,2,3,4,
邹平^1,2,3,4, ,,
戴犇^1,3,
朱芳芳^1,3,
王籽橦^1,3,
艾贤思琪¹

1. 云南大学生态学与环境学院, 昆明 650091;
2. 云南大学国际河流与生态安全研究院, 昆明 650091;
3. 云南省高原山地生态与退化环境修复重点实验室, 昆明 650091;
4. 云南省国际河流与跨境生态安全重点实验室, 昆明 650091

基金项目:

国家自然科学基金项目（51168046）。

详细信息

作者简介:
王海珊(1995-),女,硕士研究生,研究方向为组合生物技术净化黑臭水。308562656@qq.com

通讯作者:
邹平(1964-),女,博士,副研究员,研究方向为微生物净化烟气和黑臭水。851517048@qq.com

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出版历程
- 收稿日期: 2020-02-06
- 网络出版日期: 2021-04-23

OPTIMIZING BIOLOGICAL COMBINATION TECHNOLOGY TO IMPROVE PURIFICATION EFFICIENCY OF BLACK-ODOR WATER

WANG Hai-shan^1,2,3,4,
ZOU Ping^{1,2,3,4
, ,},
DAI Ben^1,3,
ZHU Fang-fang^1,3,
WANG Zi-tong^1,3,
AIXIAN Si-qi¹

1. Ecology and Environment College, Yunnan University, Kunming 650091, China;
2. Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650091, China;
3. Key Laboratory of Plateau Mountain Ecology and Degraded Environment Restoration in Yunnan Province, Kunming 650091, China;
4. Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Kunming 650091, China

摘要

摘要: 目前组合生物技术治理黑臭水体存在效率低、周期长、易复发等问题，进一步提高组合生物技术对黑臭水体净化效率成为亟待解决的问题。通过单因素及正交实验分析比较了不同促生剂、曝气方式、填料、植物对黑臭水体的净化效率，并通过高通量测序从微生物角度理解不同条件净化效率产生差异的原因。结果表明：不同条件对黑臭水体净化效率存在差异，其中净化效果较佳的为生物促生剂（BE）、持续曝气、弹性立体填料及水花生，且各实验组优势菌门、优势菌属及其相对丰度不同。说明微生物群落结构组成的差异是不同条件对黑臭水体净化效率产生差异的原因。持续曝气，刺激了好氧菌与兼性菌的大量生长；弹性立体填料表面生长的生物膜，为好氧菌、厌氧菌、兼性菌尤其是后两者的生长提供了必需条件，刺激了厌氧菌、兼性菌的大量生长繁殖；水花生也有其独特的有利于污染物净化的根际微生物群落结构。研究结果可为组合生物技术选取高效的条件参数提供参考，为强化组合生物技术高效净化黑臭水体提供理论依据。
- 组合生物技术 /
- 黑臭水体 /
- 净化 /
- 促生剂 /
- 曝气方式 /
- 填料 /
- 植物
Abstract: Many problems still exist, such as low efficiency, long cycles, and easy recurrence for treatment of black-odor water. Further improving the purification efficiency of black-odor water by combinatorial biotechnology has become an urgent problem. Therefore, in this study, the purification efficiency of black-odor water by different bio-promoter, aeration methods, fillers, and plants was compared and analyzed by single factor and orthogonal experiments, and the reasons for the differences in purification efficiency under different conditions were revealed by high-throughput sequencing technique from the perspective of microorganisms. The results showed that there were differences in the purification efficiency of black-odor water under different conditions. Among them, the biological purification enhancer (BE), continuous aeration, elastic three-dimensional filler and water peanut were better in terms of purification capacity, and the dominant phyla, dominant bacteria. And their relative abundance were different in each experimental group. This showed that the differences in the composition of microbial community structure maybe the reason for the difference in purification efficiency of black-odor water under different conditions. Continuous aeration stimulated a large number of aerobic and facultative bacteria; the biofilm growing on the surface of the elastic three-dimensional filler provided necessary conditions for the growth of aerobic bacteria, anaerobic bacteria, and facultative bacteria, especially for the latter two, and stimulated the large-scale growth and reproduction of anaerobic bacteria and facultative bacteria; water peanut also had its unique rhizosphere microbial community structure that was conducive to pollutant purification. The results of this study could provide a reference for selecting efficient condition parameters for combinatorial biotechnology, and a theoretical basis for efficiently purifying black-odor water by the enhanced combinatorial biotechnology.
- combinatorial biotechnology /
- black-odor water /
- purification /
- bio-promoter /
- aeration method /
- filler /
- plant

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