| 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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| 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. |
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| 作者姓名： | 邹胜男 梅翔 谢玥 江文潮 杨旭 王蓓蕾 严小明 秦小红 |
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| 作者单位： | 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 |
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| 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(G200506)；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） |
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| 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3134．9～5251．4mg／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25±1℃，水解酸化液COD平均为7555．1mg／L，进水TN、NH4-N和COD分别平均为43．88mg／L、39．04mg／L和56．8mg／L，碳源与污水投配的流量比为1：75的条件下，当BAF水力停留时间（HRT）为8h、曝气段与非曝气段比例为3：3、气水比为10：1、回流比为2：1时，NH4-N和TN的去除率分别超过98％和75％，出水COD平均为28．6mg／L。研究指出，剩余污泥水解酸化液经过预处理后可用作低碳氮比污水生物脱氮的外加碳源，有效地提高了反硝化效果，并不会造成二次污染，同时又可以实现剩余污泥的减量化和资源化。
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| 关 键 词： | 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 |
Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source |
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| Zou Shengnan,Mei Xiang,Xie Yue,Jiang Wenchao,Yang Xu,Wang Beilei,Yan Xiaoming and Qin Xiaohong.Biological nitrogen removal of wastewater with hydrolysis-acidification liquor of excess sludge as additional carbon source[J].Techniques and Equipment for Environmental Pollution Control,2011,5(11):2519-2526. |
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| Authors: | Zou Shengnan Mei Xiang Xie Yue Jiang Wenchao Yang Xu Wang Beilei Yan Xiaoming and Qin Xiaohong |
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| Institution: | Zou Shengnan1 Mei Xiang1 Xie Yue1 Jiang Wenchao1 Yang Xu1 Wang Beilei1 Yan Xiaoming2 Qin Xiaohong2(1.Department of Environmental Engineering,College of Chemical Engineering,Nanjing Forestry University,Nanjing 210037,China,2.Nanjing Jiangxinzhou Sewage Treatment Plant,Nanjing 210019,China) |
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| 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 a... |
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| Keywords: | excess sludge hydrolysis-acidification liquor carbon source low C/N ratio wastewater biological nitrogen removal biological aerated filter(BAF) |
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