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提高低C/N值农村生活污水中TN的去除效果

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匡武, 王翔宇, 周其胤, 杨远盛. 提高低C/N值农村生活污水中TN的去除效果[J]. 环境工程学报, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
引用本文: 匡武, 王翔宇, 周其胤, 杨远盛. 提高低C/N值农村生活污水中TN的去除效果[J]. 环境工程学报, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
shu
Kuang Wu, Wang Xiangyu, Zhou Qiyin, Yang Yuansheng. Enhancement of TN removal efficiency of rural sewage with low C/N ratio[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
Citation: Kuang Wu, Wang Xiangyu, Zhou Qiyin, Yang Yuansheng. Enhancement of TN removal efficiency of rural sewage with low C/N ratio[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
shu

提高低C/N值农村生活污水中TN的去除效果

  • 1.

    安徽省环境科学研究院, 安徽省污水处理技术研究重点实验室, 合肥 230022

  • 2.

    合肥工业大学资源与环境工程学院, 合肥 230009

  • 3.

    安徽美自然环境科技有限公司, 六安 237014

  • 基金项目:

    国家水体污染控制与治理科技重大专项项目资助(2012ZX07103-004/003)

    安徽省级环境保护科研项目(2012-007)

  • 中图分类号: X703

Enhancement of TN removal efficiency of rural sewage with low C/N ratio

  • 1.

    Provincial Key Lab. of Reserch on Wastewater Treatment Technology, Anhui Research Academy for Environmental Science, Hefei 230022, China

  • 2.

    School of Resources and Environment, Hefei University of Technology, Hefei 230009, China

  • 3.

    Natural Environment in Anhui Science and Technology Co. Ltd., Luan 237014, China

  • Fund Project:

  • 摘要: 高负荷渗滤田工艺处理农村生活污水后,出水中C/N值降低,后续反硝化池由于缺少碳源,系统出水中TN难以稳定达标。研究在不对整个系统构筑物进行大的改造、不增加外购碳源的前提下,通过往后续反硝化池掺混部分调节池原水的措施,提高了TN的去除效率。研究结果表明,通过掺混10%左右的调节池原水,系统TN的去除效率提高了约10%,由68.2%提升到了77.5%。系统出水中各主要指标均可达到《城镇污水处理厂污染物排放标准》(GB18918-2002)一级A标准要求。系统运行费用低且实验未增加运行成本,工程可为气候条件相近、水质类似地区农村生活污水的处理提供借鉴。
    Abstract: The total nitrogen (TN) concentrations of the the final effluent in the treatment of rural domestic sewage by the high hydraulic loading subsurface infiltration technology are not able to steadily meet the discharge standard, due to the decrease of C/N ratio in the first effluent resulting in the lack of carbon source in the subsequent denitrifying pool. The TN removal efficiency was improved by adding part of the raw wastewater from regulating pond into the subsequent denitrifying pool, without major reconstructution of the system structures and increase of extra carbon source supplement. The results showed that the TN removal efficiency increased by about 10%, from 68.2% to 77.5%, by adding 10% of the raw wastewater of the regulating pond. The main water quality indexes of the final effluent can reach the first class A of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). The system has a characteristic of low running expense and no extra opeartion costs, which provides guidance for other rural domestic sewage treatments in the areas of similar climatic condition and wastewater quality.
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  • 收稿日期:  2015-06-04
  • 刊出日期:  2015-09-15
匡武, 王翔宇, 周其胤, 杨远盛. 提高低C/N值农村生活污水中TN的去除效果[J]. 环境工程学报, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
引用本文: 匡武, 王翔宇, 周其胤, 杨远盛. 提高低C/N值农村生活污水中TN的去除效果[J]. 环境工程学报, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
shu
Kuang Wu, Wang Xiangyu, Zhou Qiyin, Yang Yuansheng. Enhancement of TN removal efficiency of rural sewage with low C/N ratio[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
Citation: Kuang Wu, Wang Xiangyu, Zhou Qiyin, Yang Yuansheng. Enhancement of TN removal efficiency of rural sewage with low C/N ratio[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4252-4258. doi: 10.12030/j.cjee.20150926
shu

提高低C/N值农村生活污水中TN的去除效果

  • 1. 安徽省环境科学研究院, 安徽省污水处理技术研究重点实验室, 合肥 230022
  • 2. 合肥工业大学资源与环境工程学院, 合肥 230009
  • 3. 安徽美自然环境科技有限公司, 六安 237014
  • 收稿日期:  2015-06-04
基金项目:

国家水体污染控制与治理科技重大专项项目资助(2012ZX07103-004/003)

安徽省级环境保护科研项目(2012-007)

摘要: 高负荷渗滤田工艺处理农村生活污水后,出水中C/N值降低,后续反硝化池由于缺少碳源,系统出水中TN难以稳定达标。研究在不对整个系统构筑物进行大的改造、不增加外购碳源的前提下,通过往后续反硝化池掺混部分调节池原水的措施,提高了TN的去除效率。研究结果表明,通过掺混10%左右的调节池原水,系统TN的去除效率提高了约10%,由68.2%提升到了77.5%。系统出水中各主要指标均可达到《城镇污水处理厂污染物排放标准》(GB18918-2002)一级A标准要求。系统运行费用低且实验未增加运行成本,工程可为气候条件相近、水质类似地区农村生活污水的处理提供借鉴。

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