Biological Solids Reduction Using the Modified OSA (Oxic-Settling-Anaerobic) Process

Lian Peng Sun; Li Li Chen; Wu Zhen Guo; Ting Jin Ye

doi:10.4028/www.scientific.net/AMR.955-959.1921

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Biological Solids Reduction Using the Modified OSA...

Biological Solids Reduction Using the Modified OSA (Oxic-Settling-Anaerobic) Process

Abstract:

The MOSA (Modified-Oxic-Settling-Anaerobic) system was developed to reduce the impact of OSA process on the aerobic reactor and enhance the effect of anaerobic reactor by changing the style of sludge and supernatant interchange on OSA process. As revealed in this research, the MOSA system could generate 11.8 % less sludge compared with conventional OSA system, while effluent was almost the same on COD、SS、NH₄-N,NO₃-N、TN、TP and cations. But the cumulative TN and NH₄-N of sludge in the two systems had shown a certain increase. The MOSA provided a good method to optimize the operating of OSA process, and gain a more sludge reduction.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

1921-1926

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.1921

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Online since:

June 2014

Authors:

Lian Peng Sun*, Li Li Chen, Wu Zhen Guo, Ting Jin Ye

Keywords:

Activated Sludge, Modified-Oxic-Settling-Anaerobic Process, Optimization of Operation, Sludge Reduction

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