Anaerobic Biological Treatment of Saline Municipal Wastewater by UASB

Tao Mo Zhao; Feng Gao; Wei Hong Jin; Peng Gao

doi:10.4028/www.scientific.net/AMR.1030-1032.292

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1030-1032Anaerobic Biological Treatment of Saline Municipal...

Anaerobic Biological Treatment of Saline Municipal Wastewater by UASB

Abstract:

In this paper, saline wastewater was treated by using the UASB anaerobic reactor. The hydraulic retention time (HRT) of the reactor was controlled at 12 h. Research results shows that, the anaerobic activated sludge can effectively treat the saline wastewater. When the influent salinity was 1%, the corresponding COD removal rate of the reactor was 83.3%. In the following study, the influent salinity increased to 2% and 3% step-by-step. The result shows that the COD removal efficiency of the reactor changed little. The COD reduction of the reactor was 87.6% when the influent salinity was 2%. The COD removal rate changed to 85.2% when the influent salinity increased to 3%. The removal rate of NH₄⁺-N and PO₄³-P also changed little when the influent salinity of the reactor increased form 1% to 3%. It shows that anaerobic activated sludge has good ability of salt tolerance.

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Periodical:

Advanced Materials Research (Volumes 1030-1032)

Pages:

292-295

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1030-1032.292

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Online since:

September 2014

Authors:

Tao Mo Zhao*, Feng Gao, Wei Hong Jin, Peng Gao

Keywords:

Biological Treatment, COD Removal, Saline Wastewater, UASB

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* - Corresponding Author

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