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基于现场检测和批试验条件下双酚A和雌二醇在沉积物上的分配系数

田家英 谭睿婕 柳玉英 刘瑞霞

田家英, 谭睿婕, 柳玉英, 刘瑞霞. 基于现场检测和批试验条件下双酚A和雌二醇在沉积物上的分配系数[J]. 环境工程技术学报, 2017, 7(2): 140-145. doi: 10.3969/j.issn.1674-991X.2017.02.021
引用本文: 田家英, 谭睿婕, 柳玉英, 刘瑞霞. 基于现场检测和批试验条件下双酚A和雌二醇在沉积物上的分配系数[J]. 环境工程技术学报, 2017, 7(2): 140-145. doi: 10.3969/j.issn.1674-991X.2017.02.021
TIAN Jiaying, TAN Ruijie, LIU Yuying, LIU Ruixia. Partition coefficients of bisphenol A and 17β-estradiol onto sediment measured by batch experiment and field-based determination[J]. Journal of Environmental Engineering Technology, 2017, 7(2): 140-145. doi: 10.3969/j.issn.1674-991X.2017.02.021
Citation: TIAN Jiaying, TAN Ruijie, LIU Yuying, LIU Ruixia. Partition coefficients of bisphenol A and 17β-estradiol onto sediment measured by batch experiment and field-based determination[J]. Journal of Environmental Engineering Technology, 2017, 7(2): 140-145. doi: 10.3969/j.issn.1674-991X.2017.02.021

基于现场检测和批试验条件下双酚A和雌二醇在沉积物上的分配系数

doi: 10.3969/j.issn.1674-991X.2017.02.021
详细信息
    作者简介:

    田家英(1990—),女,硕士研究生,主要从事环境水化学的研究, tjyxiang@163.com

    通讯作者:

    柳玉英 E-mail: lyy999999@163.com

    刘瑞霞 E-mail: liurx@craes.org.cn

  • 中图分类号: X131

Partition coefficients of bisphenol A and 17β-estradiol onto sediment measured by batch experiment and field-based determination

More Information
    Corresponding author: LIU Yuying E-mail: lyy999999@163.com; LIU Ruixia E-mail: liurx@craes.org.cn
  • 摘要: 基于实测的水体和沉积物中双酚A(BPA)和17β-雌二醇(E2)浓度,计算了目标污染物在沉积物和水相的分配系数(Kd)和有机碳归一化系数(Koc),在最佳的批试验条件下,模拟天然水体中BPA和E2的初始浓度,测定目标污染物在沉积物-水相中的分配行为,同时探讨了沉积物有机质对BPA和E2分配行为的影响。结果表明:批试验条件下得到的BPA的lg Kd(1.40)和lg Koc(3.51)与天然环境下得到的lg Kd(1.63~2.84)和lg Koc(2.66~4.66)相当;在批试验条件下得到的E2的lg Kd(1.10)和lg Koc(3.51)低于基于现场检测得到的lg Kd(4.77)和lg Koc(5.21),表明E2在批试验条件下的lg Kd和lg Koc并不能很好地描述在天然环境下的分配行为。BPA的Kd与沉积物中有机碳浓度呈正相关,有机碳浓度越高,沉积物对BPA的吸附能力越强。有机碳对E2的吸附影响并不显著。

     

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出版历程
  • 收稿日期:  2016-07-29
  • 刊出日期:  2017-03-20

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