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Study on Start-up Anaerobic Ammonia Oxidation Process

Shaoqi Zhou

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Abstract

Objective:Study on start-up of anaerobic ammonia oxidation process(ANAMMOX)in UASB-Biofilm reactor.Method:Using the synthetic with ammonium and nitrite at proper NH4+-N and NO2--N wastewater as influent,inoculated with activated sludge from oxidation ditch.Result:There were competition among bacterial in the reactor,the NH4+-N,NO2--N removal efficiency of the reactor were 60.4%,58.7% after 66 day's of operation and produced nitrate.It proved that the Anaerobic Ammonia Oxidation process became the major procession.Conclusion:The Anaerobic Ammonia Oxidation reactor can start-up quickly.

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What this paper is about

Objective:Study on start-up of anaerobic ammonia oxidation process(ANAMMOX)in UASB-Biofilm reactor.Method:Using the synthetic with ammonium and nitrite at proper NH4+-N and NO2--N wastewater as influent,inoculated with activated sludge from oxidation ditch.Result:There were competition among bacterial in the reactor,the NH4+-N,NO2--N removal efficiency of the reactor were 60.4%,58.7% after 66 day's of operation and produced nitrate.It proved that the Anaerobic Ammonia Oxidation process became the major procession.Conclusion:The Anaerobic Ammonia Oxidation reactor can start-up quickly.

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Available abstract

Objective:Study on start-up of anaerobic ammonia oxidation process(ANAMMOX)in UASB-Biofilm reactor.Method:Using the synthetic with ammonium and nitrite at proper NH4+-N and NO2--N wastewater as influent,inoculated with activated sludge from oxidation ditch.Result:There were competition among bacterial in the reactor,the NH4+-N,NO2--N removal efficiency of the reactor were 60.4%,58.7% after 66 day's of operation and produced nitrate.It proved that the Anaerobic Ammonia Oxidation process became the major procession.Conclusion:The Anaerobic Ammonia Oxidation reactor can start-up quickly.

Key concepts: Anammox, Anaerobic exercise, Ammonia, Nitrite, Chemistry, Nitrate, Pulp and paper industry, Oxidation process

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