The Field Application of Microbial Technology Used in Bioremediation of Urban Polluted River

Abstract:

This paper studies on the field application of microbial technology used in bioremediation of urban polluted river. Xuxi River, a heavily polluted urban river, had been maken the treatment as the research object. In this treatment, Xuxi River was directly added indigenous microorganism agent and microbiological accelerating agent into the river water and sediment in the special inoculation way, without artificial aeration and sediment dredging. After this treatment， the removal rates of COD, TP and NH₃-N are up to 43%、56% and 58%, DO increases to 2mg/L, the Nemerow index reduces to 2.2 from 6.4, and a lot of water earthworms and a school of fish reappear. The results indicate that this microbial technology can effectively alleviate the pollution, promote the water quality, and restore the river ecosystem.

• Periodical: Advanced Materials Research (Volumes 518-523)
• Pages: 2906-2911
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.518-523.2906
• Online since: May 2012
• Authors: Xia Wu, Yue Bo Xie
• Keywords: Bioremediation, Indigenous Microorganism Agent, Microbial Technology, Microbiological Accelerating Agent, Urban Polluted River

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