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
收藏
页码：308 / 315
页数：8
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