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单级与多级AO-SBR工艺对黑水的处理

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张静, 陈洪斌, 唐贤春, 戴晓虎. 单级与多级AO-SBR工艺对黑水的处理[J]. 环境工程学报, 2017, 11(3): 1409-1416. doi: 10.12030/j.cjee.201511019
引用本文: 张静, 陈洪斌, 唐贤春, 戴晓虎. 单级与多级AO-SBR工艺对黑水的处理[J]. 环境工程学报, 2017, 11(3): 1409-1416. doi: 10.12030/j.cjee.201511019
shu
ZHANG Jing, CHEN Hongbin, TANG Xianchun, DAI Xiaohu. Treatment of single- and multi-AO-SBR process on black water[J]. Chinese Journal of Environmental Engineering, 2017, 11(3): 1409-1416. doi: 10.12030/j.cjee.201511019
Citation: ZHANG Jing, CHEN Hongbin, TANG Xianchun, DAI Xiaohu. Treatment of single- and multi-AO-SBR process on black water[J]. Chinese Journal of Environmental Engineering, 2017, 11(3): 1409-1416. doi: 10.12030/j.cjee.201511019
shu

单级与多级AO-SBR工艺对黑水的处理

  • 1.

    同济大学环境科学与工程学院, 上海 200092

  • 2.

    上海电气集团股份有限公司中央研究院, 上海 200070

  • 基金项目:

    科技部国际合作重点课题（2014DFA91650，2016YFE0123500）

  • 中图分类号: X703

Treatment of single- and multi-AO-SBR process on black water

  • 1.

    College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China

  • 2.

    Shanghai Electrical Group Co. Ltd. Central Academy, Shanghai 200070, China

  • Fund Project:

  • 摘要: 针对大小便和冲洗水所组成的黑水具有有机物浓度高、悬浮成分多、碳氮磷比例失调等问题，开展单级与多级AO-SBR工艺处理黑水的小试实验，为黑水的达标排放提供参考。研究结果表明：单级AO-SBR工艺处理黑水，在中温条件下，HRT为28 h，COD、氨氮、TN、磷酸盐平均去除率分别为79.9%、81.5%、51.5%、0%；外加碳源（醋酸钠）提高C/N至4.83，COD、氨氮、TN、磷酸盐的平均去除率分别提高到89.1%、97.9%、81.3%、30.3%，出水COD、氨氮、TN、磷酸盐分别为116、4.4、42.4、16.4 mg·L-1；采用多级AO、分时进水的运行方式，未加碳源的条件下TN去除效率达到87.8%，较单级AO运行方式提高了26.0个百分点，仅略低于理论除氮效率。研究发现，碳源和碱度不足是影响SBR处理黑水生物脱氮除磷的关键因素。
    Abstract: Black water consists of a mixture of feces,urine,toilet paper and transportation water. It contains high amounts of organic content and SS,with low ratios of C/N/P. In this study,the bench-scale experiments of the single- and multi- AO-SBR process for treating black water were implemented to provide a reference for black water discharge standard. The results show that,when the single AO-SBR process was used to treat black water without adding any external carbon nutrients,under the conditions of moderate temperature and HRT=28 h,the removal efficiencies of COD,ammonia,TN and phosphate were 79.9%,81.5%,51.5% and 0%,respectively. If an external carbon nutrient (sodium acetate)was added to increase the ratio of C/N of the black water to 4.83,the removal efficiencies of COD,ammonia,TN and phosphate increased to 89.1%,97.9%,81.3% and 30.3%,respectively,while the effluent COD,ammonia,TN and phosphate were 116,4.4,42.4 and 16.4 mg·L-1,respectively. Compared to single AO-SBR,the four-step feed AO-SBR performed better at an HRT of 28 h,with its TN removal efficiency increasing by 26.0% to 87.8%,which was close to the theoretically calculated results. It was found that the carbon nutrient and the alkalinity deficiencies of black water were the key factors affecting the biological nitrogen and phosphorus removal efficiencies.
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    [2] 郑永菊, 陈洪斌, 何群彪. 黑水处理与资源化进展[J]. 中国沼气, 2008, 26(5):9-13
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出版历程
  • 收稿日期:  2016-03-03
  • 刊出日期:  2017-03-10

单级与多级AO-SBR工艺对黑水的处理

  • 1.  同济大学环境科学与工程学院, 上海 200092
  • 2.  上海电气集团股份有限公司中央研究院, 上海 200070
  • 收稿日期:  2016-03-03
基金项目:

科技部国际合作重点课题（2014DFA91650，2016YFE0123500）

摘要: 针对大小便和冲洗水所组成的黑水具有有机物浓度高、悬浮成分多、碳氮磷比例失调等问题，开展单级与多级AO-SBR工艺处理黑水的小试实验，为黑水的达标排放提供参考。研究结果表明：单级AO-SBR工艺处理黑水，在中温条件下，HRT为28 h，COD、氨氮、TN、磷酸盐平均去除率分别为79.9%、81.5%、51.5%、0%；外加碳源（醋酸钠）提高C/N至4.83，COD、氨氮、TN、磷酸盐的平均去除率分别提高到89.1%、97.9%、81.3%、30.3%，出水COD、氨氮、TN、磷酸盐分别为116、4.4、42.4、16.4 mg·L-1；采用多级AO、分时进水的运行方式，未加碳源的条件下TN去除效率达到87.8%，较单级AO运行方式提高了26.0个百分点，仅略低于理论除氮效率。研究发现，碳源和碱度不足是影响SBR处理黑水生物脱氮除磷的关键因素。

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