RESEARCH PROGRESS OF INFLUENCE PARAMETERS AND METHODS FOR RAPIDLY CULTIVATING AEROBIC GRANULAR SLUDGE

WANG Lei; ZHAN Han-hui; WANG Qing-qing; WU Gang

doi:10.13205/j.hjgc.202005001

Volume 38 Issue 5

Aug. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(5): 1-7,29

WANG Lei, ZHAN Han-hui, WANG Qing-qing, WU Gang. RESEARCH PROGRESS OF INFLUENCE PARAMETERS AND METHODS FOR RAPIDLY CULTIVATING AEROBIC GRANULAR SLUDGE[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 1-7,29. doi: 10.13205/j.hjgc.202005001

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WANG Lei, ZHAN Han-hui, WANG Qing-qing, WU Gang. RESEARCH PROGRESS OF INFLUENCE PARAMETERS AND METHODS FOR RAPIDLY CULTIVATING AEROBIC GRANULAR SLUDGE[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 1-7,29. doi: 10.13205/j.hjgc.202005001

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RESEARCH PROGRESS OF INFLUENCE PARAMETERS AND METHODS FOR RAPIDLY CULTIVATING AEROBIC GRANULAR SLUDGE

doi: 10.13205/j.hjgc.202005001

1. College of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China;
2. School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China;
3. College of Life science and Engineering, Southwest Jiaotong University, Chengdu 610031, China

Received Date: 2019-12-28

Abstract

Abstract

In order to solve the problem of long start-up period of the aerobic granular sludge system, the paper reviewed the forming mechanism, the main affecting factors and the methods to promote aerobic granulation. It was found that inducing microbes to secrete more extracellular polymer (EPS) could promote the rapid formation of initial microbial aggregates, and thus decreased the aerobic granulation time by adjusting the parameters of hydraulic shear force, settling time, organic load and starvation stage of the reactors. Therefore, the current measures of rapid granulation was essentially based on the method of inducing the rapidly forming initial microbe aggregates or directly adding aggregates, to realize the shortening of the time for aerobic granulation. Finally, this paper pointed out the problems existing in the rapid cultivation of aerobic granule, and the key to solve the related problems, and the future research focus is to clarify the formation mechanism of aerobic granule sludge, establish the standard of aerobic granulation and the cultivation indexes system.
- aerobic granular sludge,
- granulation,
- influence factor,
- rapid cultivation

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References(61)

References

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