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A2O工艺中雌激素的行为变化和去除机理

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王昌稳, 李军, 赵白航, 刘国洋, 阴亚楠, 杨涵青. A2O工艺中雌激素的行为变化和去除机理[J]. 环境工程学报, 2013, 7(9): 3351-3356.
引用本文: 王昌稳, 李军, 赵白航, 刘国洋, 阴亚楠, 杨涵青. A2O工艺中雌激素的行为变化和去除机理[J]. 环境工程学报, 2013, 7(9): 3351-3356.
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Wang Changwen, Li Jun, Zhao Baihang, Liu Guoyang, Yin Yanan, Yang Hanqing. Behavior and removal mechanism of estrogens in A2O process[J]. Chinese Journal of Environmental Engineering, 2013, 7(9): 3351-3356.
Citation: Wang Changwen, Li Jun, Zhao Baihang, Liu Guoyang, Yin Yanan, Yang Hanqing. Behavior and removal mechanism of estrogens in A2O process[J]. Chinese Journal of Environmental Engineering, 2013, 7(9): 3351-3356.
shu

A2O工艺中雌激素的行为变化和去除机理

  • 1.

    北京工业大学北京市水质科学与水环境恢复工程北京市重点实验室, 北京 100124

  • 基金项目:

    国家自然科学基金资助项目(51078008)

    北京市教委面上项目(KM201210005028)

    北京工业大学博士点科研启动基金项目(X0004011201102)

  • 中图分类号: X703.1

Behavior and removal mechanism of estrogens in A2O process

  • 1.

    Key Laboratory of Beijing for Water Quality Science & Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China

  • Fund Project:

  • 摘要: 研究了厌氧-缺氧-好氧(A2O)活性污泥工艺对生活污水中天然雌激素雌酮(Estrone,E1)、17β-雌二醇(17β-Estradiol,E2)以及17α-乙炔基雌二醇(17α-Ethynylestradiol,EE2)的去除性能。在对COD、N和P具有良好去除效果的前提下,对E1、E2和EE2的去除率可分别达到92.7%、100% 和 62.7%。通过对各反应单元内3种雌激素的物料平衡分析,表明A2O工艺对雌激素的去除主要发生在厌氧段和好氧段。以失活污泥作为对照组,好氧硝化过程中雌激素去除的小试实验发现,好氧过程中E1、E2的去除主要依靠生物降解作用,而EE2的去除则主要依赖于活性污泥对其的吸附作用。
    Abstract: Based on the good performance of COD and nutrients, the estrogens (E1,E2 and EE2) were detected to investigate the estrogens removal capability of the A2O process. The removal efficiency of E1, E2 and EE2 reached 92.7%,100% and 62.7%, respectively. In further, the estrogen mass balance analysis revealed that estrogens were mainly removed in the anaerobic zone and the aerobic zone, which indicated that the adsorption and degradation were the main mechanisms. The roles of adsorption and degradation in estrogen removal were studied by aerobic batch test taking the inactivated sludge as the controlled group. The results showed that EE2 was mainly removed by the activated sludge adsorption, while E1 and E2 were mainly removed through biodegradation.
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出版历程
  • 收稿日期:  2012-06-12
  • 刊出日期:  2013-09-15

A2O工艺中雌激素的行为变化和去除机理

  • 1. 北京工业大学北京市水质科学与水环境恢复工程北京市重点实验室, 北京 100124
  • 收稿日期:  2012-06-12
基金项目:

国家自然科学基金资助项目(51078008)

北京市教委面上项目(KM201210005028)

北京工业大学博士点科研启动基金项目(X0004011201102)

摘要: 研究了厌氧-缺氧-好氧(A2O)活性污泥工艺对生活污水中天然雌激素雌酮(Estrone,E1)、17β-雌二醇(17β-Estradiol,E2)以及17α-乙炔基雌二醇(17α-Ethynylestradiol,EE2)的去除性能。在对COD、N和P具有良好去除效果的前提下,对E1、E2和EE2的去除率可分别达到92.7%、100% 和 62.7%。通过对各反应单元内3种雌激素的物料平衡分析,表明A2O工艺对雌激素的去除主要发生在厌氧段和好氧段。以失活污泥作为对照组,好氧硝化过程中雌激素去除的小试实验发现,好氧过程中E1、E2的去除主要依靠生物降解作用,而EE2的去除则主要依赖于活性污泥对其的吸附作用。

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