Effect of Internal Recycle Ratio on the Phosphorus Removal Efficiency of Anaerobic/Anoxic/Oxic (A2/O) to Low Concentration of Organic Substance Wastewater

Ning Wang; Ying He Jiang; Bo Fu Li

doi:10.4028/www.scientific.net/AMR.393-395.688

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 393-395Effect of Internal Recycle Ratio on the Phosphorus...

Effect of Internal Recycle Ratio on the Phosphorus Removal Efficiency of Anaerobic/Anoxic/Oxic (A²/O) to Low Concentration of Organic Substance Wastewater

Abstract:

In the pilot-scale plant, the effect of internal recycle ratios (300%, 200%, 100%, and 0%) on the biological phosphorus removal was represented. The denitrifying phosphorus removal in anoxic tank was improved with low internal recycle, under the inhibition of high concentration of NOx-N. To low level strength wastewater (average COD 185.6 mg/L, average BOD 115.2 mg/L), the low level carbon source maintained the relatively steady phosphorus removal rates.

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Periodical:

Advanced Materials Research (Volumes 393-395)

Pages:

688-691

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.393-395.688

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Online since:

November 2011

Authors:

Ning Wang, Ying He Jiang, Bo Fu Li

Keywords:

A²/O, Internal Recycle Ratio, Low Concentration of Organic Substance, Phosphorus Removal

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References

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