Isolation and Identification of Ammonia Nitrogen Degradation Strains from Industrial Wastewater

Cai-Hong Yu, Ya Wang, Tao Guo, Wan-Xin Shen, Ming-Xin Gu

College of Chemical & Environmental Engineering, China University of Mining and Technology, Beijing, China.

DOI: 10.4236/eng.2012.411101                

Abstract

Nine strains of ammonia nitrogen degradation strains from C1 to C9 were isolated from industrial wastewater to study their degradation and conversion of ammonia nitrogen. The results showed that C2 strain with a high degradation activiity of ammonia nitrogen, and the ammonia nitrogen degradation rate of the activated C2 strain was 93% within 24 h when the initial concentration of ammonia nitrogen was 200 mg/L under the conditions of inoculation 10%, temperature 35?C, pH 7.0, rotation 200 r/min. And C2 was identified as Bacillus amyloliquefaciens.

Keywords

Industrial Wastewater; Ammonia Nitrogen; Degradation Strain; Degradation Characteristics

Conflicts of Interest

The authors declare no conflicts of interest.

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