Degradation of chloramphenicol by potassium ferrate (VI) oxidation: kinetics and products

被引：14

作者：

Zhou, Jia-heng ^{[1
]}

Chen, Kai-bo ^{[1
]}

Hong, Qian-kun ^{[1
]}

Zeng, Fan-cheng ^{[1
]}

Wang, Hong-yu ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Coll Civil Engn & Architecture, 18 Chaowang Rd, Hangzhou 310014, Zhejiang, Peoples R China

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2017年 / 24卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Potassiumferrate (VI); Chloramphenicol (CAP); Oxidation products; Kinetics; Second-order reaction; TANDEM MASS-SPECTROMETRY; WASTE-WATER TREATMENT; RISK-ASSESSMENT; AQUEOUS-SOLUTION; ANTIBIOTICS; PHARMACEUTICALS; ANTIMICROBIALS; REMEDIATION; ENVIRONMENT; SULFONAMIDE;

D O I：

10.1007/s11356-017-8656-7

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The oxidation of chloramphenicol (CAP) by potassium ferrate (VI) in test solution was studied in this paper. A series of jar tests were performed at bench scale with pH of 59 and molar ratio [VI/CAP] of 16.3: 1-81.6: 1. Results showed that raising VI dose could improve the treatment performance and the influence of solution pH was significant. VI is more reactive in neutral conditions, presenting the highest removal efficiency of CAP. The rate law for the oxidation of CAP by VI was first order with respect to each reactant, yielding an overall second-order reaction. Furthermore, five oxidation products were observed during CAP oxidation by VI. Results revealed that VI attacked the amide group of CAP, leading to the cleavage of the group, while benzene ring remained intact.

引用

页码：10166 / 10171

页数：6

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