Optimization of cultivating conditions for ammonium removal by Alcaligenes sp HN in synthetic ammonium-containing wastewater

被引：0

作者：

Zhao, Bin ^{[1
]}

Ye, Jun ^{[1
]}

An, Qiang ^{[1
]}

Lv, Qinghao ^{[1
]}

Chen, Jie ^{[1
]}

机构：

[1] Chongqing Univ, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Chongqing 400045, Peoples R China

来源：

DISASTER ADVANCES | 2013年 / 6卷

关键词：

Response surface methodology; Cultivating conditions; Ammonium removal; Heterotrophic nitrification-aerobic denitrification; NITRIFICATION-AEROBIC DENITRIFICATION; HETEROTROPHIC NITRIFICATION; DENITRIFYING BACTERIUM; ACTIVATED-SLUDGE; NITRITE;

D O I：

暂无

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Alcaligenes sp. HN was a heterotrophic bacterium with the capability of ammonium removal from wastewater under aerobic conditions. The optimum conditions for NH4+-N removal were determined using response surface methodology. A Box-Behnken design was used to investigate the effects of four independent variables, namely, temperature, pH, shaking speed and C/N ratio on the response of NH4+-N removal efficiency. The significance of the independent variables and their reciprocal interactions were assessed by the analysis of variance. A quadratic model predicted that the maximum removal of ammonium obtained under the conditions with shaking speed of 121.6 rpm, temperature of 29.6 degrees C, pH of 7.2 and C/N ratio of 9.7.

引用

页码：308 / 315

页数：8

共 40 条

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