High-Concentration Nitrogen Removal by Anaerobic Ammonium Oxidation Process

Tao Hong Liao; Kang Huai Liu; Jia Chun Yang; Kenji Furukawa

doi:10.4028/www.scientific.net/AMR.518-523.214

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 518-523High-Concentration Nitrogen Removal by Anaerobic...

High-Concentration Nitrogen Removal by Anaerobic Ammonium Oxidation Process

Abstract:

This experiment aimed to explore the effect of high- concentration nitrogen removal by Anaerobic ammonium oxidation process. The mixed liquor suspended solid(MLSS)was 510 mg/L. In the beginning of the experiment, the inflow concentration rate of ammonia nitrogen and nitrite nitrogen was about 1:1.3 and the total nitrogen concentration was low. When the reactor reached the ideal treatment effect then gradually increased the total nitrogen concentration, until reaching the maximum nitrogen load rate(NLR) of the reactor. In the temperature of 34.4 °C, PH was 7.23, the inflow concentration of ammonia nitrogen was 223.3 mg. N/L, the inflow concentration nitrite nitrogen was 289.7 mg. N/L, the dissolved oxygen (DO) was 2.3 mg. N/L, the nitrogen load rate (NLR) was 6.08 kg. N / (m3. d), the nitrogen removal rate (NRR) was 5.60 kg. N / (m3. d), the total nitrogen (TN) removal rate was 92.2%, under this conditions, the reactor achieved the best effect.

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Advanced Materials Research (Volumes 518-523)

Pages:

214-217

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.214

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Online since:

May 2012

Authors:

Tao Hong Liao, Kang Huai Liu, Jia Chun Yang, Kenji Furukawa

Keywords:

Anaerobic Ammonium Oxidation, Biological Denitrification, High-Concentration Nitrogen Wastewater, Up-Flow Reactor

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