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电晕放电等离子体对头孢唑林钠的降解

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周日宇, 王彬, 董发勤, 谌书, 周明罗, 周世平, 张弘弢, 宋涛. 电晕放电等离子体对头孢唑林钠的降解[J]. 环境化学, 2019, (12): 2768-2779. doi: 10.7524/j.issn.0254-6108.2019061805
引用本文: 周日宇, 王彬, 董发勤, 谌书, 周明罗, 周世平, 张弘弢, 宋涛.

电晕放电等离子体对头孢唑林钠的降解

[J]. 环境化学, 2019, (12): 2768-2779. doi: 10.7524/j.issn.0254-6108.2019061805
shu
ZHOU Riyu, WANG Bin, DONG Faqin, CHEN Shu, ZHOU Mingluo, ZHOU Shiping, ZHANG Hongtao, SONG Tao. Degradation of cefazolin sodium by corona discharge technology[J]. Environmental Chemistry, 2019, (12): 2768-2779. doi: 10.7524/j.issn.0254-6108.2019061805
Citation: ZHOU Riyu, WANG Bin, DONG Faqin, CHEN Shu, ZHOU Mingluo, ZHOU Shiping, ZHANG Hongtao, SONG Tao.

Degradation of cefazolin sodium by corona discharge technology

[J]. Environmental Chemistry, 2019, (12): 2768-2779. doi: 10.7524/j.issn.0254-6108.2019061805
shu

电晕放电等离子体对头孢唑林钠的降解

  • 1. 西南科技大学环境与资源学院, 绵阳, 621010;

  • 2. 西南科技大学固体废物处理与资源化教育部重点实验室, 绵阳, 621010

    • 通讯作者: 王彬, E-mail: greenworldwb@swust.edu.cn ; 
  • 基金项目:

    国家自然科学基金（41403081），四川省科技专项（2018SZDZX0020，2019YFH0175），四川省重点研发项目（2017SZ0178）和四川省教育厅重点项目（18ZA0500）资助.

Degradation of cefazolin sodium by corona discharge technology

  • 1. School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, China;

  • 2. Key Laboratory of Solid Waste Treatment and Resource Recycle, Ministry of Education, Southwest University of Science and Technology, Mianyang, 621010, China

    • Corresponding author: WANG Bin, greenworldwb@swust.edu.cn ; 
  • Fund Project: Supported by the National Natural Science Foundation of China (41403081), the Sichuan Science and Technology Program (2018SZDZX0020, 2019YFH0175), Key Research and Development Program of Sichuan Province of China (2017SZ0178), the Scientific Research Fund of Sichuan Provincial Education Department (18ZA0500).

  • 摘要:

    为探究电晕放电等离子体对头孢唑林钠（cefazolin sodium，CFZ）的降解过程及产物，考察了不同因素对CFZ降解的影响，并结合光谱学及质谱分析推断出了CFZ降解过程中的部分中间产物及降解途径.结果表明，电晕放电等离子对CFZ有着良好的降解效能，且降解过程基本符合一级反应动力学，CFZ初始浓度、pH及载气条件均对反应存在影响.光谱学表明CFA被矿化NO3-、SO42-和CO32-等小分子无机离子.对CFZ的降解过程中降解副产物分析可知，电晕放电过程中CFZ主要有3种降解途径分别是噻二唑基团脱硫降解、头孢母核发生分子间内脂化和四氮唑开环矿化.

    Abstract:

    To investigate the degradation and products of cefazolin sodium (CFZ) induced by corona discharge plasma technology, the effects of different factors on the degradation of CFZ were investigated, and the spectroscopy and mass spectrometry analysis were used to explore the degradation pathway of CFZ and the related intermediates. The results showed that the corona discharge plasma technology could significantly enhance the degradation of CFZ, which corresponded to a first-order reaction. The initial concentration of CFZ,pH and the carrier air influenced the reaction rates. Meanwhile, spectroscopy showed that CFZ was eventually degrader into small molecule inorganic ions including NO3-, SO42- and CO32-. Degradation of the by-products in the reaction process showed that there were three main degradation pathways of CFZ in corona discharge. The transformation mechanism of CFZ consisted mainly of thiadiazole rings degradation by desulfuration, intermolecular lipidation of cephalosporin nuclei and tetrazolium ring opening.

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出版历程
  • 收稿日期:  2019-06-18
  • 刊出日期:  2019-12-10

电晕放电等离子体对头孢唑林钠的降解

    通讯作者: 王彬, E-mail: greenworldwb@swust.edu.cn ; 
  • 1. 西南科技大学环境与资源学院, 绵阳, 621010;
  • 2. 西南科技大学固体废物处理与资源化教育部重点实验室, 绵阳, 621010
  • 收稿日期:  2019-06-18
  • 网络出版日期:  2019-12-10
基金项目:

国家自然科学基金（41403081），四川省科技专项（2018SZDZX0020，2019YFH0175），四川省重点研发项目（2017SZ0178）和四川省教育厅重点项目（18ZA0500）资助.

摘要: 

为探究电晕放电等离子体对头孢唑林钠（cefazolin sodium，CFZ）的降解过程及产物，考察了不同因素对CFZ降解的影响，并结合光谱学及质谱分析推断出了CFZ降解过程中的部分中间产物及降解途径.结果表明，电晕放电等离子对CFZ有着良好的降解效能，且降解过程基本符合一级反应动力学，CFZ初始浓度、pH及载气条件均对反应存在影响.光谱学表明CFA被矿化NO3-、SO42-和CO32-等小分子无机离子.对CFZ的降解过程中降解副产物分析可知，电晕放电过程中CFZ主要有3种降解途径分别是噻二唑基团脱硫降解、头孢母核发生分子间内脂化和四氮唑开环矿化.

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