[活性污泥中的富集及动力学表征] （你提供的原文中“Enrichment of in”这里应该有具体物质未完整给出）

[Enrichment of in Activated Sludge and Kinetic Characterization].

作者信息

Yao Qian, Peng Dang-Cong, Zhao Qiao-di, Wang Bo

机构信息

School of Municipal and Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.

The Third Research Institute of China Academy of Aerospace Aerodynamics, Beijing 100074, China.

出版信息

Huan Jing Ke Xue. 2017 Dec 8;38(12):5201-5207. doi: 10.13227/j.hjkx.201704114.

DOI:10.13227/j.hjkx.201704114

PMID:29964582

Abstract

was enriched from activated sludge by using fed-batch cultivation, and its related kinetic characterization was studied. The results showed that could be successfully enriched from the activated sludge for a controlled nitrite concentration no higher than 2 mg·L. The maximum nitrate oxidation rate was 48.72 mg·(g·h). The fluorescence for the in situ hybridization results showed that accounted for about 75% of the total biomass, while accounted for only 0.1%. In addition, the kinetic parameters of at 20℃ were also investigated. The results showed that the optimum growth temperature for was 30-35℃. The temperature correction coefficient was 1.046. The nitrite half-saturation constant and oxygen half-saturation constant were (0.32±0.03)mg·L and (1.52±0.09)mg·L, respectively. This study on the kinetic characterization of provided a theoretical foundation for the treatment plant design and process optimization.

摘要

通过分批补料培养从活性污泥中富集得到，并对其相关动力学特性进行了研究。结果表明，在亚硝酸盐浓度控制不高于2mg·L的情况下，可成功从活性污泥中富集得到。最大硝酸盐氧化速率为48.72mg·(g·h)。原位杂交结果的荧光显示，占总生物量的约75%，而仅占0.1%。此外，还研究了在20℃下的动力学参数。结果表明，的最适生长温度为30 - 35℃。温度校正系数为1.046。亚硝酸盐半饱和常数和氧半饱和常数分别为(0.32±0.03)mg·L和(1.52±0.09)mg·L。对的动力学特性研究为污水处理厂设计和工艺优化提供了理论依据。