固定化硝化细菌去除生活污水中的氨氮

刘少敏; 储磊; 朱敬林

环境工程学报

固定化硝化细菌去除生活污水中的氨氮

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刘少敏, 储磊, 朱敬林. 固定化硝化细菌去除生活污水中的氨氮[J]. 环境工程学报, 2014, 8(10): 4261-4266.

引用本文:

刘少敏, 储磊, 朱敬林. 固定化硝化细菌去除生活污水中的氨氮[J]. 环境工程学报, 2014, 8(10): 4261-4266.

Liu Shaomin, Chu Lei, Zhu Jinglin. Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4261-4266.

Citation:

Liu Shaomin, Chu Lei, Zhu Jinglin. Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4261-4266.

固定化硝化细菌去除生活污水中的氨氮

1.
安徽理工大学地球与环境学院, 淮南 232001
基金项目:
安徽理工大学博士基金资助项目（2013bj1105）

安徽省国际合作项目（12030-603003）
中图分类号: X703

Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria

1.
School of Earth Science and Environmental Engineering, Anhui University of Science and Technology, Huainan 232001, China
Fund Project:

摘要: 以聚乙烯醇-海藻酸钠作为包埋载体固定硝化细菌，制备固定小球，对生活污水中的氨氮去除效果进行研究。采用平行实验考察了载体不同包菌量、载体与污水量比、活化时间、温度、DO以及载体循环次数对氨氮去除率的影响。结果表明，用包埋载体处理污水的氨氮和COD去除率明显高于传统活性污泥，且得出最佳反应条件：包埋载体的最佳活化时间为20 h，最适温度为25℃，最佳DO为3~4 mg/L。投加包埋载体比传统活性污泥法对氨氮去除效果和COD去除能力具有强化作用，投加20%的包埋载体时，反应器出水氨氮去除率提高了20%，菌体与载体比值小于1：2.5时氨氮去除率超过90.12%，固定化包埋载体去除氨氮过程比较符合一级动力学模型。
- 固定化技术 /
- 硝化细菌 /
- 载体 /
- 氨氮去除率
Abstract: The immobilized microbial beads were prepared to treat ammonia-nitrogen in domestic sewage,which is made from entrapping nitrobacteria with the polyvinyl alcohol-sodium alginate as entrapment carriers.In order to study the removal rate of ammonia-nitrogen,some factors such as the amount of bacteria of immobilized imbedded carrier,the proportion between carrier and wastewater,activation time,temperature,DO and the recycling times of immobilized imbedded carrier were investigated by the parallel test.The result indicated that the removal rates of ammonia-nitrogen and COD using the immobilized nitrobacteria were higher than that of the traditional active sludge obviously,and it also showed that the optimum conditions were as follows: the embedding carrier activation time of 20 h,the temperature of 25 ℃ and the DO of 3~4 mg/L.Furthermore,we found that the removal rate of ammonia nitrogen and COD using immobilized nitrobacteria was superior to the conventional activated sludge process.The removal rate of ammonia nitrogen was about 20% with 20% immobilization embedding carriers,when the amount of nitrification bacteria to immobilized imbedded carrier was less than 1:2.5,the removal rate of ammonia nitrogen was above 90.12%,in addition,the removal of ammonia nitrogen with immobilization embedding carriers was expressed as the first order kinetic reaction model.
- immobilization technology /
- nitrification bacteria /
- carrier /
- ammonia nitrogen removal rate

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刘少敏, 储磊, 朱敬林. 固定化硝化细菌去除生活污水中的氨氮[J]. 环境工程学报, 2014, 8(10): 4261-4266.

引用本文:

刘少敏, 储磊, 朱敬林. 固定化硝化细菌去除生活污水中的氨氮[J]. 环境工程学报, 2014, 8(10): 4261-4266.

Liu Shaomin, Chu Lei, Zhu Jinglin. Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4261-4266.

Citation:

Liu Shaomin, Chu Lei, Zhu Jinglin. Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4261-4266.

固定化硝化细菌去除生活污水中的氨氮

1. 安徽理工大学地球与环境学院, 淮南 232001

收稿日期: 2014-03-14

基金项目:

安徽理工大学博士基金资助项目（2013bj1105）

安徽省国际合作项目（12030-603003）

关键词:

摘要: 以聚乙烯醇-海藻酸钠作为包埋载体固定硝化细菌，制备固定小球，对生活污水中的氨氮去除效果进行研究。采用平行实验考察了载体不同包菌量、载体与污水量比、活化时间、温度、DO以及载体循环次数对氨氮去除率的影响。结果表明，用包埋载体处理污水的氨氮和COD去除率明显高于传统活性污泥，且得出最佳反应条件：包埋载体的最佳活化时间为20 h，最适温度为25℃，最佳DO为3~4 mg/L。投加包埋载体比传统活性污泥法对氨氮去除效果和COD去除能力具有强化作用，投加20%的包埋载体时，反应器出水氨氮去除率提高了20%，菌体与载体比值小于1：2.5时氨氮去除率超过90.12%，固定化包埋载体去除氨氮过程比较符合一级动力学模型。

English Abstract

Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria

1. School of Earth Science and Environmental Engineering, Anhui University of Science and Technology, Huainan 232001, China

Received Date: 2014-03-14

Fund Project:

Keywords:

Abstract: The immobilized microbial beads were prepared to treat ammonia-nitrogen in domestic sewage,which is made from entrapping nitrobacteria with the polyvinyl alcohol-sodium alginate as entrapment carriers.In order to study the removal rate of ammonia-nitrogen,some factors such as the amount of bacteria of immobilized imbedded carrier,the proportion between carrier and wastewater,activation time,temperature,DO and the recycling times of immobilized imbedded carrier were investigated by the parallel test.The result indicated that the removal rates of ammonia-nitrogen and COD using the immobilized nitrobacteria were higher than that of the traditional active sludge obviously,and it also showed that the optimum conditions were as follows: the embedding carrier activation time of 20 h,the temperature of 25 ℃ and the DO of 3~4 mg/L.Furthermore,we found that the removal rate of ammonia nitrogen and COD using immobilized nitrobacteria was superior to the conventional activated sludge process.The removal rate of ammonia nitrogen was about 20% with 20% immobilization embedding carriers,when the amount of nitrification bacteria to immobilized imbedded carrier was less than 1:2.5,the removal rate of ammonia nitrogen was above 90.12%,in addition,the removal of ammonia nitrogen with immobilization embedding carriers was expressed as the first order kinetic reaction model.

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固定化硝化细菌去除生活污水中的氨氮

Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria

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固定化硝化细菌去除生活污水中的氨氮

English Abstract

Removal of ammonia nitrogen from sewage by immobilization nitrification bacteria

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