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基于结构和工艺流程革新的AO工艺提标改造

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叶长兵, 赵越, 马乐宽, 李兰, 刘琴, 赵可. 基于结构和工艺流程革新的AO工艺提标改造[J]. 环境工程学报, 2016, 10(10): 5568-5572. doi: 10.12030/j.cjee.201506113
引用本文: 叶长兵, 赵越, 马乐宽, 李兰, 刘琴, 赵可. 基于结构和工艺流程革新的AO工艺提标改造[J]. 环境工程学报, 2016, 10(10): 5568-5572. doi: 10.12030/j.cjee.201506113
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YE Changbing, ZHAO Yue, MA Lekuan, LI Lan, LIU Qin, ZHAO Ke. Upgrading and renovation of AO process based on structure reconstruction and process-flow innovation[J]. Chinese Journal of Environmental Engineering, 2016, 10(10): 5568-5572. doi: 10.12030/j.cjee.201506113
Citation: YE Changbing, ZHAO Yue, MA Lekuan, LI Lan, LIU Qin, ZHAO Ke. Upgrading and renovation of AO process based on structure reconstruction and process-flow innovation[J]. Chinese Journal of Environmental Engineering, 2016, 10(10): 5568-5572. doi: 10.12030/j.cjee.201506113
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基于结构和工艺流程革新的AO工艺提标改造

  • 1.

    玉溪师范学院资源环境学院, 玉溪 653100

  • 2.

    环境保护部环境规划院水环境规划部, 北京 100012

  • 3.

    吉林建筑大学市政与环境工程学院, 长春 130118

  • 基金项目:

    国家自然科学基金资助项目（51568066）

    云南省科技厅青年项目（2016FD114）

  • 中图分类号: X703.1

Upgrading and renovation of AO process based on structure reconstruction and process-flow innovation

  • 1.

    College of Resources and Environment, Yuxi Normal University, Yuxi 653100, China

  • 2.

    Department of Water Environmental Planning, Chinese Academy for Environmental Planning, Beijing 100012, China

  • 3.

    School of Municipal and Environment Engineering, Jilin Jianzhu University, Changchun 130118, China

  • Fund Project:

  • 摘要: 通过实验进行了基于结构造和工艺流程革新的AO工艺提标改造研究。改造前后的对比实验结果表明，提标改造后的D-A2O反应器在（24±2）℃温度下COD、TN、NH3-N、TP去除率分别可达92.24%、84.77%、98.65%和92.11%，比AO反应器相应污染物去除率分别提高了5%、14%、14%和20%，出水水质优于GB 18918-2002中一级A标准；同时，本升级改造后形成的D-A2O反应器于不同温度下具有较强的稳定性，且污泥龄（SRT）可延长至30~35 d。根据小试结果粗略估算，将AO改造成D-A2O技术所需增加的基建投资费用小于AO工艺原有基建费用4%，可节约污水处理运行费用约6%。结果表明，提标改造在技术上和经济上均具有可行性。
    Abstract: A laboratory-scale experiment was conducted to examine the upgrading and renovation of an AO process,based on reconstruction of the plant and process-flow innovation.The results show COD,TN,NH3-N,and TP removal rates of 92.24%,84.77%,98.65%,and 92.11%,respectively,in the D-A2O reactor at a temperature of (24±2)℃.These results represent increases of 5%,14%,14%,and 20%,respectively,compared to those of the AO reactor.Consequently,effluent from the D-A2O reactor was of better quality than the A(first-level) effluent standard.Furthermore,the upgrading and renovation of the D-A2O reactor was stable operation at different temperatures,and the sludge retention time (SRT) of the D-A2O reactor was extended to 30 to 35 d.Based on the results of the laboratory-scale trial,the capital cost of this upgrade and renovation represent less than 4% of the original construction (AO process) cost,and operational costs could be reduced by approximately 6%.The results of the trial indicate that this upgrade and renovation is technically and economically feasible.
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  • 收稿日期:  2015-08-19
  • 刊出日期:  2016-10-20

基于结构和工艺流程革新的AO工艺提标改造

  • 1. 玉溪师范学院资源环境学院, 玉溪 653100
  • 2. 环境保护部环境规划院水环境规划部, 北京 100012
  • 3. 吉林建筑大学市政与环境工程学院, 长春 130118
  • 收稿日期:  2015-08-19
基金项目:

国家自然科学基金资助项目（51568066）

云南省科技厅青年项目（2016FD114）

摘要: 通过实验进行了基于结构造和工艺流程革新的AO工艺提标改造研究。改造前后的对比实验结果表明，提标改造后的D-A2O反应器在（24±2）℃温度下COD、TN、NH3-N、TP去除率分别可达92.24%、84.77%、98.65%和92.11%，比AO反应器相应污染物去除率分别提高了5%、14%、14%和20%，出水水质优于GB 18918-2002中一级A标准；同时，本升级改造后形成的D-A2O反应器于不同温度下具有较强的稳定性，且污泥龄（SRT）可延长至30~35 d。根据小试结果粗略估算，将AO改造成D-A2O技术所需增加的基建投资费用小于AO工艺原有基建费用4%，可节约污水处理运行费用约6%。结果表明，提标改造在技术上和经济上均具有可行性。

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