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题名: Evaluating Henry's law constant of N-Nitrosodimethylamine (NDMA)
作者: Shinsuke Haruta; Wentao Jiao; Weiping Chen;Andrew C. Chang;Jay Gan
刊名: Water Science & Technology
出版日期: 2011
卷号: 64, 期号:8, 页码:1636-1641
关键词: boundary-layer model, mass transfer, volatilization, water reuse
DOI: 10.2166/wst.2011.742
英文摘要:       N-Nitrosodimethylamine (NDMA), a potential carcinogen, may contaminate the groundwater when the reclaimed wastewater is used for irrigation and groundwater recharge. Henry’s law constant is a critical parameter to assess the fate and transport of reclaimed wastewater-borne NDMA in the soil profile. We conducted a laboratory experiment in which the change of NDMA concentration in water exposed to the atmosphere was measured with respect to time and, based on the data, obtained the dimensionless Henry’s law constant (KH
0) of NDMA, at 1.0 × 104. The KH 0 suggests that NDMA has a relatively high potential to volatilize in the field where NDMA-containing wastewater is used for irrigation and the volatilization loss may be a significant pathway of NDMA transport. The experiment
was based on the two boundary-layer approach of mass transfer at the atmosphere-water interface.It is an expedient method to delineate KH 0 for volatile or semi-volatile compounds present in water at low concentrations.
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/37289
Appears in Collections:城市与区域生态国家重点实验室_期刊论文

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Recommended Citation:
Shinsuke Haruta; Wentao Jiao; Weiping Chen;Andrew C. Chang;Jay Gan. Evaluating Henry's law constant of N-Nitrosodimethylamine (NDMA)[J]. Water Science & Technology,2011,64(8):1636-1641.
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