Research on the Start-Up of Anaerobic Ammonia Oxidation and the Influence Factors Experiment

Abstract:

Experiment studies the startup of Anammox and the effect of pH and temperature on the denitrification performance of Anammox. We take the UASB reactor for Anammox startup experimental study, and study the removal of NH₄⁺-N and NO₂^--N under different temperature and pH. Controlling the influent NH₄⁺-N/NO₂^--N concentration ratio is 1:1.32, the initial concentration of NH₄⁺-N is 50 mg/L, then increase NH₄⁺-N concentration with gradient of 50 mg/L.We detect the influent and effluent NH₄⁺-N and NO₂^--N and effluent NO₃^--N concentration .We also Control the temperature (20°C~40°C) and the pH (6.0~9.0) to study the influencing factors. The optimum temperature is 30°C, the removal rate can reach more than 80%, and the optimum pH is 8, the NH₄⁺-N and NO₂^--N highest removal rate is 82.92% and 87.59%. The effect of the Anammox reaction can be efficient promotion of denitrification and provides theory basis, which provides reference for engineering application on actual conditions.

• Periodical: Advanced Materials Research (Volume 777)
• Pages: 221-224
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.777.221
• Online since: September 2013
• Authors: Ya Feng Li, Wen Jing Zhang
• Keywords: Anaerobic Ammonium Oxidation, Denitrification Performance, Hydrogen Ion Concentration (pH), Temperature, Upflow Anaerobic Sludge Blanket (UASB)

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