氯消毒再生水中4种卤乙酸的测定和影响因素分析

刘彦伟; 田一梅; 黄建军

环境工程学报

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刘彦伟, 田一梅, 黄建军. 氯消毒再生水中4种卤乙酸的测定和影响因素分析[J]. 环境工程学报, 2013, 7(8): 2925-2930.

引用本文:

刘彦伟, 田一梅, 黄建军. 氯消毒再生水中4种卤乙酸的测定和影响因素分析[J]. 环境工程学报, 2013, 7(8): 2925-2930.

Liu Yanwei, Tian Yimei, Huang Jianjun. Determination and influencing factors of four types of haloacetic acids in chlorine disinfection reclaimed water[J]. Chinese Journal of Environmental Engineering, 2013, 7(8): 2925-2930.

Citation:

Liu Yanwei, Tian Yimei, Huang Jianjun. Determination and influencing factors of four types of haloacetic acids in chlorine disinfection reclaimed water[J]. Chinese Journal of Environmental Engineering, 2013, 7(8): 2925-2930.

氯消毒再生水中4种卤乙酸的测定和影响因素分析

1.
天津大学环境科学与工程学院, 天津 300072
基金项目:
国家水体污染控制与治理科技重大专项(2009ZX07317-005-01)
中图分类号: TU991

Determination and influencing factors of four types of haloacetic acids in chlorine disinfection reclaimed water

1.
School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Fund Project:

摘要: 再生水在回用过程中氯消毒副产物对人体产生的危害逐渐引起人们的关注。在USEPA552.3(2003)标准方法的基础上,建立了适用于检测再生水中氯消毒副产物4种卤乙酸(haloacetic acids,HAAs)的分析方法,并对加氯量、UV254、氨氮浓度等影响因素及控制方法进行了研究。研究表明,方法前处理过程简单、安全,内标、HAAs组分峰在谱图分辨良好;4种HAAs在浓度范围1~150μg/L内呈线性关系,校准曲线相关系数均大于0.999;加标回收率在82.27%~119.9%之间,满足标准方法的要求;HAAs浓度随加氯量的增大而增大,随氨氮浓度的增大而减小,随UV254的变化不明显;先加氨后加氯的消毒方式产生的HAAs浓度最低,两点加氯产生的HAAs总量要少于单一点加氯。
- 再生水 /
- HAAs /
- 检测方法 /
- 控制途径
Abstract: It was the concern that the by-products from chlorine disinfection harmed human health in the process of reclaimed water being reused. On the base of the standard USEPA552.3(2003), the analytical method applied to detect 4 types haloacetic acids (HAAs) in the by-products from chlorination of reclaimed water was improved. The influential factors, including chlorine dosage, UV254, ammonia nitrogen concentration, and the controlling methods of these factors, were also discussed. The study revealed that the pretreatment process of the method is simple and safety, the peak of internal standard and HAAs could be well distinguished. There are good linear relationships between the four types of HAAs in the concentration range of 1~150 μg/L, and the correlation coefficients are greater than 0.999. The recovery ratio is between 82.27% and 119.9%, meeting the requirements of standard method. The concentration of HAAs increases with increasing the chlorine dosage and decreases with decreasing the ammonia nitrogen concentration, while there is no obvious change with the UV254. It produced the lowest concentration of HAAs by the way of adding chlorine after ammonia, and the amount of HAAs at two points was less than that at a single point.
- reclaimed water /
- haloacetic acids (HAAs) /
- analysis method /
- control approach

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刘彦伟, 田一梅, 黄建军. 氯消毒再生水中4种卤乙酸的测定和影响因素分析[J]. 环境工程学报, 2013, 7(8): 2925-2930.

引用本文:

刘彦伟, 田一梅, 黄建军. 氯消毒再生水中4种卤乙酸的测定和影响因素分析[J]. 环境工程学报, 2013, 7(8): 2925-2930.

Citation:

氯消毒再生水中4种卤乙酸的测定和影响因素分析

1. 天津大学环境科学与工程学院, 天津 300072

收稿日期: 2012-05-27

基金项目:

国家水体污染控制与治理科技重大专项(2009ZX07317-005-01)

关键词:

再生水 /
HAAs /
检测方法 /
控制途径

摘要: 再生水在回用过程中氯消毒副产物对人体产生的危害逐渐引起人们的关注。在USEPA552.3(2003)标准方法的基础上,建立了适用于检测再生水中氯消毒副产物4种卤乙酸(haloacetic acids,HAAs)的分析方法,并对加氯量、UV254、氨氮浓度等影响因素及控制方法进行了研究。研究表明,方法前处理过程简单、安全,内标、HAAs组分峰在谱图分辨良好;4种HAAs在浓度范围1~150μg/L内呈线性关系,校准曲线相关系数均大于0.999;加标回收率在82.27%~119.9%之间,满足标准方法的要求;HAAs浓度随加氯量的增大而增大,随氨氮浓度的增大而减小,随UV254的变化不明显;先加氨后加氯的消毒方式产生的HAAs浓度最低,两点加氯产生的HAAs总量要少于单一点加氯。

English Abstract

Determination and influencing factors of four types of haloacetic acids in chlorine disinfection reclaimed water

1. School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China

Received Date: 2012-05-27

Fund Project:

Keywords:

Abstract: It was the concern that the by-products from chlorine disinfection harmed human health in the process of reclaimed water being reused. On the base of the standard USEPA552.3(2003), the analytical method applied to detect 4 types haloacetic acids (HAAs) in the by-products from chlorination of reclaimed water was improved. The influential factors, including chlorine dosage, UV254, ammonia nitrogen concentration, and the controlling methods of these factors, were also discussed. The study revealed that the pretreatment process of the method is simple and safety, the peak of internal standard and HAAs could be well distinguished. There are good linear relationships between the four types of HAAs in the concentration range of 1~150 μg/L, and the correlation coefficients are greater than 0.999. The recovery ratio is between 82.27% and 119.9%, meeting the requirements of standard method. The concentration of HAAs increases with increasing the chlorine dosage and decreases with decreasing the ammonia nitrogen concentration, while there is no obvious change with the UV254. It produced the lowest concentration of HAAs by the way of adding chlorine after ammonia, and the amount of HAAs at two points was less than that at a single point.

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氯消毒再生水中4种卤乙酸的测定和影响因素分析

Determination and influencing factors of four types of haloacetic acids in chlorine disinfection reclaimed water

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氯消毒再生水中4种卤乙酸的测定和影响因素分析

English Abstract

Determination and influencing factors of four types of haloacetic acids in chlorine disinfection reclaimed water

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