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2012, Volume 6, Issue 6

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Frontiers of Environmental Science & Engineering >> 2012, Volume 6, Issue 6 doi: 10.1007/s11783-012-0459-y

Performance of an ANAMMOX reactor treating wastewater generated by antibiotic and starch production processes

1. Department of Municipal and Environmental Engineering, Beijing Jiaotong University, Beijing 100044, China; 2. School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA; 3. Beijing Drainage Group Co. Ltd., Beijing 100056, China

Available online: 2012-12-01
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Abstract

A pilot-scale anaerobic ammonia oxidation (ANAMMOX) reactor was used to treat mixed wastewater resulting from a chlortetracycline and starch production process. The results, collected over the course of 272 days, show that the ratio of influent ammonium to nitrite, pH, and temperature can all affect the efficiency of nitrogen removal. The ratio of influent ammonium to nitrite was maintained at about 1:1 at a concentration below 200 mg·L for both influent ammonium and nitrite. The total nitrogen (TN) loading rate was 0.15–0.30 kgN·m ·d , pH remained at 7.8–8.5, and temperature was recorded at 33±1°C. The rate of removal of ammonia, nitrite, and TN were over 90%, 90%, and 80%, and the effluent ammonium, nitrite and TN concentrations were below 50, 30, and 100 mg·L .

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