以剩余污泥水解酸化液为外加碳源的污水生物脱氮

邹胜男; 梅翔; 谢玥; 江文潮; 杨旭; 王蓓蕾; 严小明; 秦小红

环境工程学报

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邹胜男, 梅翔, 谢玥, 江文潮, 杨旭, 王蓓蕾, 严小明, 秦小红. 以剩余污泥水解酸化液为外加碳源的污水生物脱氮[J]. 环境工程学报, 2011, 5(11): 2519-2526.

引用本文:

邹胜男, 梅翔, 谢玥, 江文潮, 杨旭, 王蓓蕾, 严小明, 秦小红. 以剩余污泥水解酸化液为外加碳源的污水生物脱氮[J]. 环境工程学报, 2011, 5(11): 2519-2526.

Zou Shengnan, Mei Xiang, Xie Yue, Jiang Wenchao, Yang Xu, Wang Beilei, Yan Xiaoming, Qin Xiaohong. Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source[J]. Chinese Journal of Environmental Engineering, 2011, 5(11): 2519-2526.

Citation:

Zou Shengnan, Mei Xiang, Xie Yue, Jiang Wenchao, Yang Xu, Wang Beilei, Yan Xiaoming, Qin Xiaohong. Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source[J]. Chinese Journal of Environmental Engineering, 2011, 5(11): 2519-2526.

以剩余污泥水解酸化液为外加碳源的污水生物脱氮

1.
南京林业大学化学工程学院环境工程系，南京 210037
2.
南京市江心洲污水处理厂，南京 210019
基金项目:
江苏省“六大人才高峰”项目(164030104)

留学回国人员择优资助项目(011030006)

南京林业大学人才基金资助项目(G200506)

江苏省“青蓝工程”资助(苏教师(2007)2号)

江苏高校优势学科建设工程资助项目（PAPD）
中图分类号: X703.1

Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source

1.
Department of Environmental Engineering，College of Chemical Engineering，Nanjing Forestry University，Nanjing 210037，China
2.
Nanjing Jiangxinzhou Sewage Treatment Plant，Nanjing 210019，China
Fund Project:

摘要: 为解决低碳氮比污水生物脱氮过程反硝化碳源不足的问题，利用剩余污泥水解酸化液为外加碳源，通过具有曝气段与非曝气段的一体化曝气生物滤池(BAF)，研究低碳氮比污水生物脱氮的性能与工艺条件。实验结果表明，预处理后的水解酸化液VFAs为3 134.9~5 251.4 mg/L、ThODVFAs/COD为59.87%~91.85%，适合作为生物脱氮的外加碳源；水解酸化液的投配量、进水TN浓度对系统生物脱氮效果的影响较大，气水比、曝气段与非曝气段比例对系统的硝化和反硝化性能有重要的影响；在温度为
- 剩余污泥 /
- 水解酸化液 /
- 碳源 /
- 低碳氮比污水 /
- 生物脱氮 /
- 曝气生物滤池
Abstract: In order to solve the problem about the shortage of carbon source for denitrification in the biological nitrogen removal of low C/N ratio wastewater，the integrated biological aerated filter (BAF) with aeration section and non-aeration section was employed to investigate the performances and process conditions for the biological nitrogen removal of low C/N ratio wastewater when the hydrolysis-acidification liquor of excess sludge was used as additional carbon source. The experimental results showed that VFAs and ThODVFAsCOD of the hydrolysis-acidification liquor after pretreatment were 3 134.9~5 251.4 mg/L and 59.87%~91.85%，respectively，which was applicable to the carbon source for biological nitrogen removal. The dosing flow rate of the hydrolysisacidification liquor and the influent TN concentration had greater impacts on the biological nitrogen removal performances of the system，and the air/water ratio and the ratio of aeration section to nonaeration section played an important role in nitrification and denitrification behaviors of the system. Under the conditions of temperature 25±1℃，COD average of the hydrolysis-acidification liquor 7 555.1 mg/L，influent concentrations of TN 43.88 mg/L，NH+4-N 39.04 mg/L and COD 56.8 mg/L，the ratio of flow rates of carbon source to influent 1∶75，when the hydraulic retention time (HRT) was 8 h，the ratio of aeration section to non-aeration section was 3∶3，the air/water ratio was 10∶1，and the recirculation ratio was 2∶1，the removal efficiencies of NH+4-N and TN were above 98% and 75%，respectively，and the effluent COD average was 28.6 mg/L. This research indicated that the hydrolysis-acidification liquor of excess sludge could be utilized as carbon source for biological nitrogen removal of low C/N ratio wastewater，the denitrification performances could be effectively improved and the second pollution would not be caused. Meanwhile the minimization and resources reuse of excess sludge could be realized as well.
- Yangtze River water /
- flocculation sludge /
- composite photocatalyst /
- reactive brilliant red K-2BP /
- photodegradation rate /

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邹胜男, 梅翔, 谢玥, 江文潮, 杨旭, 王蓓蕾, 严小明, 秦小红. 以剩余污泥水解酸化液为外加碳源的污水生物脱氮[J]. 环境工程学报, 2011, 5(11): 2519-2526.

引用本文:

邹胜男, 梅翔, 谢玥, 江文潮, 杨旭, 王蓓蕾, 严小明, 秦小红. 以剩余污泥水解酸化液为外加碳源的污水生物脱氮[J]. 环境工程学报, 2011, 5(11): 2519-2526.

Citation:

Zou Shengnan, Mei Xiang, Xie Yue, Jiang Wenchao, Yang Xu, Wang Beilei, Yan Xiaoming, Qin Xiaohong. Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source[J]. Chinese Journal of Environmental Engineering, 2011, 5(11): 2519-2526.

以剩余污泥水解酸化液为外加碳源的污水生物脱氮

1. 南京林业大学化学工程学院环境工程系，南京 210037
2. 南京市江心洲污水处理厂，南京 210019

收稿日期: 2010-06-21

基金项目:

江苏省“六大人才高峰”项目(164030104)

留学回国人员择优资助项目(011030006)

南京林业大学人才基金资助项目(G200506)

江苏省“青蓝工程”资助(苏教师(2007)2号)

江苏高校优势学科建设工程资助项目（PAPD）

关键词:

摘要: 为解决低碳氮比污水生物脱氮过程反硝化碳源不足的问题，利用剩余污泥水解酸化液为外加碳源，通过具有曝气段与非曝气段的一体化曝气生物滤池(BAF)，研究低碳氮比污水生物脱氮的性能与工艺条件。实验结果表明，预处理后的水解酸化液VFAs为3 134.9~5 251.4 mg/L、ThODVFAs/COD为59.87%~91.85%，适合作为生物脱氮的外加碳源；水解酸化液的投配量、进水TN浓度对系统生物脱氮效果的影响较大，气水比、曝气段与非曝气段比例对系统的硝化和反硝化性能有重要的影响；在温度为

English Abstract

Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source

1. Department of Environmental Engineering，College of Chemical Engineering，Nanjing Forestry University，Nanjing 210037，China
2. Nanjing Jiangxinzhou Sewage Treatment Plant，Nanjing 210019，China

Received Date: 2010-06-21

Fund Project:

Keywords:

Abstract: In order to solve the problem about the shortage of carbon source for denitrification in the biological nitrogen removal of low C/N ratio wastewater，the integrated biological aerated filter (BAF) with aeration section and non-aeration section was employed to investigate the performances and process conditions for the biological nitrogen removal of low C/N ratio wastewater when the hydrolysis-acidification liquor of excess sludge was used as additional carbon source. The experimental results showed that VFAs and ThODVFAsCOD of the hydrolysis-acidification liquor after pretreatment were 3 134.9~5 251.4 mg/L and 59.87%~91.85%，respectively，which was applicable to the carbon source for biological nitrogen removal. The dosing flow rate of the hydrolysisacidification liquor and the influent TN concentration had greater impacts on the biological nitrogen removal performances of the system，and the air/water ratio and the ratio of aeration section to nonaeration section played an important role in nitrification and denitrification behaviors of the system. Under the conditions of temperature 25±1℃，COD average of the hydrolysis-acidification liquor 7 555.1 mg/L，influent concentrations of TN 43.88 mg/L，NH+4-N 39.04 mg/L and COD 56.8 mg/L，the ratio of flow rates of carbon source to influent 1∶75，when the hydraulic retention time (HRT) was 8 h，the ratio of aeration section to non-aeration section was 3∶3，the air/water ratio was 10∶1，and the recirculation ratio was 2∶1，the removal efficiencies of NH+4-N and TN were above 98% and 75%，respectively，and the effluent COD average was 28.6 mg/L. This research indicated that the hydrolysis-acidification liquor of excess sludge could be utilized as carbon source for biological nitrogen removal of low C/N ratio wastewater，the denitrification performances could be effectively improved and the second pollution would not be caused. Meanwhile the minimization and resources reuse of excess sludge could be realized as well.

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以剩余污泥水解酸化液为外加碳源的污水生物脱氮

Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source

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以剩余污泥水解酸化液为外加碳源的污水生物脱氮

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Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source

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