Study on Partial Nitrification-Anaerobic Ammonium Oxidation-Nitrification Coupled Technology for the Treatment of Coking Wastewater

Abstract:

Partial nitrification-anaerobic ammonium oxidation-nitrification coupled technology was used for removing nitrogen from coking wastewater. Through continuous optimization of the nitrogen removal technology, NH₄⁺-N, NO₂^--N and NO₃^--N concentrations in the effluent stabilized at 0~3, 0~0.5 and 5~20 mg/L, COD<100 mg/L, the effluent quality could meet the primary standard of “Integrated wastewater discharge standard (GB8978-1996)”. The removal efficiencies of NH₄⁺-N and COD reached up to 99.5% and 96.1% respectively. The novel technology performed well for treating coking wastewater, nitrogen and organic pollutants were simultaneously removed efficiently.

• Periodical: Advanced Materials Research (Volumes 807-809)
• Pages: 1427-1430
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.807-809.1427
• Online since: September 2013
• Authors: Ming Jun Shan, Yan Zhang, Li Hong Kou
• Keywords: Anaerobic Ammonium Oxidation (Anammox), Coking Wastewater, Nitrogen Removal, Partial Nitrification

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