臭氧化去除水中对硝基氯苯动力学及机理

CHEN Zhonglin; SHEN Jimin; LI Xueyan; QI Fei; XU Bingbing

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臭氧化去除水中对硝基氯苯动力学及机理

更新时间：2025-12-10

- 臭氧化去除水中对硝基氯苯动力学及机理
- CIESC Journal Issue 10, (2006)
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- Online First：25 October 2006，
  
  Published：25 October 2006
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CHEN Zhonglin, SHEN Jimin, LI Xueyan, et al. 臭氧化去除水中对硝基氯苯动力学及机理[J]. CIESC Journal, 2006, (10).
DOI：

CHEN Zhonglin, SHEN Jimin, LI Xueyan, et al. 臭氧化去除水中对硝基氯苯动力学及机理[J]. CIESC Journal, 2006, (10). DOI：

摘要

Abstract

The kinetics and mechanism of ozonation degradation of p-nitrochlorobenzene（pCNB）were investigated.The reaction rate constant of pCNB with O3 was 1.6 L·mol-1·s-1 by direct determination.With nitrobenzene and chlorobenzene as the reference compounds

the reaction rate constant of pCNB with ·OH that was determined by means of competition kinetics was 2.6×109 L·mol-1·s-1.During the pCNB ozonation degradation

organic nitrogen and organic chlorine were almost completely converted to nitrate and chloride.Ozonation could not reduce TOC obviously.The results of LC-MS and GC-MS showed that the main intermediate products were aromatic substances such as p-chlorophenol

p-nitrophenol

2-chloro-5-nitrophenol

etc.

and non-aromatic substances such as oxalic acid

malonic acid

maleic acid

muconic acid etc.Finally

a possible reaction pathway of ozonation degradation of pCNB was proposed according to these intermediate products.

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