Degradation of tetracycline hydrochloride using dielectric barrier discharge plasma reactor

WANG Baowei; WANG Chao; XU Yan; PENG Yeping; YAO Shumei

doi:10.11949/j.issn.0438-1157.20170878

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Degradation of tetracycline hydrochloride using dielectric barrier discharge plasma reactor

更新时间：2025-12-10

- Degradation of tetracycline hydrochloride using dielectric barrier discharge plasma reactor
- CIESC Journal Issue 4, Pages: 1687-1694(2018)
- 作者机构：
  
  天津大学化工学院绿色合成与转化教育部重点实验室,天津,300072
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170878
  CLC： 703
- Online First：05 April 2018，
  
  Published：05 April 2018
- 稿件说明：
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WANG Baowei, WANG Chao, XU Yan, et al. Degradation of tetracycline hydrochloride using dielectric barrier discharge plasma reactor[J]. CIESC Journal, 2018, (4): 1687-1694.
DOI：

WANG Baowei, WANG Chao, XU Yan, et al. Degradation of tetracycline hydrochloride using dielectric barrier discharge plasma reactor[J]. CIESC Journal, 2018, (4): 1687-1694. DOI： 10.11949/j.issn.0438-1157.20170878.

摘要

采用介质阻挡放电等离子体反应器降解盐酸四环素（TC），研究了输入功率、放电间距、气体流量、初始浓度等参数对盐酸四环素降解效果的影响，结果表明当输入功率为1.3 W，放电间距为2.5 mm，气体流量为150 ml·min-1，初始浓度为100 mg·L-1时降解效果最好，放电处理30 min盐酸四环素的降解率达到92%。动力学研究表明盐酸四环素的降解过程符合拟二级动力学方程。检测了降解过程中生成的中间产物，提出了盐酸四环素的降解路径与机理。

Abstract

A dielectric barrier discharge plasma reactor was applied to the degradation of tetracycline hydrochloride in the aqueous solution. A series of parameters including input power

air-gap distance

initial concentration and air flow rate were investigated for their effects on the degradation efficiency. The results showed that the degradation efficiency was as high as 92% at the optimum degradation parameters:input power 1.3 W

air-gap distance 2.5 mm

air flow rate 150 ml·min-1

tetracycline hydrochloride initial concentration 100 mg·L-1 and treatment time 30 min. The kinetic studies indicated that the degradation of tetracycline hydrochloride followed the pseudo-second-order kinetics. Based on the intermediate products identified by LC-MS

a possible degradation pathway of tetracycline hydrochloride was proposed.

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