Journal
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
Volume 13, Issue 1, Pages -Publisher
HIGHER EDUCATION PRESS
DOI: 10.1007/s11783-019-1088-5
Keywords
Remediation; Surface water; Polyhydroxyalkanoates; Microbial proliferation
Categories
Funding
- China Scholarship Council [201706260106]
- Chinese Ministry of Science and Technology [2017ZX07202-002-04]
- Shanghai Tongji Gao Tingyao Environmental Science & Technology Development Foundation
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This paper proposes an in situ restoration strategy, ecosystem activation system (EAS), for selfpurification abilities of polluted water ecosystems through the specific regulation of microbial community. EAS utilizes polyhydroxyalkanoates (PHA) to modify indigenous microbial communities of polluted water bodies. Microorganisms preferentially utilizing PHA as the carbon source for their enhanced growth are defined as specific, and those with no special selectivity to PHA and raw-water dissolved organic matter are defined as non-specific and can be phased out during EAS operation. As a result, the microbial community can be regulated to the specific structure, which is beneficial for the water quality improvement. The developed model described the above principle with accounting for the growth kinetics of specific microorganisms, competitive inhabitation of specific microorganisms on non-specific microorganisms, and coupled EAS-induced self-purification of polluted water bodies. The conceptual model is believed to be a primary step toward quantitative design, operation, and optimization of EAS. (c) Higher Education Press and Springer- Verlag GmbH Germany, part of Springer Nature
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