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LI Linna LIU Yuanxia BAO Huaying

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更新时间：2021-12-01

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- Journal of Radiation Research and Radiation Processing Vol. 31, Issue 1, Pages: 11-010305(2013)
- 作者机构：
  
  1. （北京师范大学化学学院）,北京,100875
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LI Linna LIU Yuanxia BAO Huaying. [J]. Journal of Radiation Research and Radiation Processing 31(1):11-010305(2013)
DOI：

LI Linna LIU Yuanxia BAO Huaying. [J]. Journal of Radiation Research and Radiation Processing 31(1):11-010305(2013) DOI：

摘要

采用60Co r 射线辐照不同无氧体系的二氯乙酸稀水溶液，并用离子色谱方法分析辐照前后溶液中的二氯乙酸以及生成的氯离子浓度。通过比较二氯乙酸的去除率以及生成的氯离子浓度，讨论了吸收剂量和辐照气氛对于二氯乙酸去除效果的影响，并根据结果初步推断其作用机理。

Abstract

Dichloroacetic acid (DCAA) is one of Haloacetic acids (HAAs) which are the main disinfection by-products (DBPs) produced by drinking water chlorination. The irradiation degradation of DCAA by 60Co ?-rays in different anaerobic dilute aqueous solutions was studied. The concentrations of DCAA and chloride ion in the system were analyzed by IC before and after irradiation. The influences of absorbed dose and irradiation aura on the elimination of DCAA were investigated, respectively, by comparing the removal ratio of DCAA with concentration of chloride ion formed. The irradiation degradation mechanism was deduced preliminary according to the experiment results.Cited

关键词

二氯乙酸无氧体系辐照降解

Keywords

Dichloroacetic acidDeaerated systemsIrradiation degradation

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