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煅烧的ZnWO4催化超声降解藏红T

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何玲玲, 李昱, 齐齐, 萧启明, 黄峰, 周卫申, 王新. 煅烧的ZnWO4催化超声降解藏红T[J]. 环境化学, 2020, (5): 1290-1296. doi: 10.7524/j.issn.0254-6108.2019061803
引用本文: 何玲玲, 李昱, 齐齐, 萧启明, 黄峰, 周卫申, 王新. 煅烧的ZnWO4催化超声降解藏红T[J]. 环境化学, 2020, (5): 1290-1296. doi: 10.7524/j.issn.0254-6108.2019061803
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HE Lingling, LI Yu, QI Qi, XIAO Qiming, HUANG Feng, ZHOU Weishen, WANG Xin. Sonocatalytic degradation of C.I. Basic Red 2 in the presence of calcined ZnWO4[J]. Environmental Chemistry, 2020, (5): 1290-1296. doi: 10.7524/j.issn.0254-6108.2019061803
Citation: HE Lingling, LI Yu, QI Qi, XIAO Qiming, HUANG Feng, ZHOU Weishen, WANG Xin. Sonocatalytic degradation of C.I. Basic Red 2 in the presence of calcined ZnWO4[J]. Environmental Chemistry, 2020, (5): 1290-1296. doi: 10.7524/j.issn.0254-6108.2019061803
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煅烧的ZnWO4催化超声降解藏红T

  • 1. 沈阳化工大学应用化学学院, 沈阳, 110142;

  • 2. 辽宁大学药学院, 沈阳, 110036

    • 通讯作者: 王新, E-mail: xin_wang@lnu.edu.cn
  • 基金项目:

    辽宁省自然基金指导计划项目（2019-ZD-0190）和沈阳化工大学"大学生创新创业训练计划"项目（201810149092）资助.

Sonocatalytic degradation of C.I. Basic Red 2 in the presence of calcined ZnWO4

  • 1. College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang, 110142, China;

  • 2. School of Pharmaceutical Sciences, Liaoning University, Shenyang, 110036, China

    • Corresponding author: WANG Xin, xin_wang@lnu.edu.cn
  • Fund Project: Supported by the Province Natural Science Foundation of Liaoning (2019-ZD-0190) and the Training Programs of Innovation and Entrepreneurship for Undergraduates of Shenyang University of Chemical Technology (201810149092).

  • 摘要: 本文使用水热合成法制备了ZnWO4并进行了高温煅烧，以藏红T（BR2）为降解对象考察了煅烧后ZnWO4催化超声降解有机污染物的活性.结果表明，当煅烧温度为673 K时，ZnWO4具有更好的催化超声降解活性.ZnWO4催化超声降解BR2的主要作用机制是产生的活性氧（ROS）如·OH和·O2-以及空穴（h+）的氧化作用.当煅烧后ZnWO4的加入量为1.5 g·L-1、BR2初始浓度为10 mg·L-1、溶液起始pH值为7、超声功率为200 W、超声时间为120 min、温度为25±0.1℃时，BR2的降解率为90.23%±0.93%.研究结果表明，煅烧可显著提升ZnWO4催化超声降解有机污染物的活性，将为其进一步应用提供研究基础.
    Abstract: ZnWO4 was prepared by a hydrothermal method and further calcined at different temperatures in this paper. The sonocatalytic degradation activity of calcined ZnWO4 to organic pollutants was studied with C.I. Basic Red 2 (BR2) as the degradation object. The results showed that ZnWO4 had better sonocatalytic degradation activity when calcining temperature was 673 K. The main mechanism was the production of the reactive oxygen species (ROS), such as ·OH and ·O2-, and holes (h+), which were identified and played major roles during the oxidation process. When the addition amount of ZnWO4 was 1.5 g·L-1, the initial concentration of BR2 was 10 mg·L-1, the initial pH was 7, the ultrasonic power was 200 W, the ultrasonic time was 120 min, and the temperature was 25±0.1 ℃, the degradation ratio of BR2 was 90.23%±0.93%. The results showed that calcination could significantly improve the sonocatalytic degradation activity of ZnWO4 to organic pollutants, which would provide research basis for its further application.
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  • 收稿日期:  2019-06-18

煅烧的ZnWO4催化超声降解藏红T

    通讯作者: 王新, E-mail: xin_wang@lnu.edu.cn
  • 1. 沈阳化工大学应用化学学院, 沈阳, 110142;
  • 2. 辽宁大学药学院, 沈阳, 110036
  • 收稿日期:  2019-06-18
基金项目:

辽宁省自然基金指导计划项目（2019-ZD-0190）和沈阳化工大学"大学生创新创业训练计划"项目（201810149092）资助.

摘要: 本文使用水热合成法制备了ZnWO4并进行了高温煅烧，以藏红T（BR2）为降解对象考察了煅烧后ZnWO4催化超声降解有机污染物的活性.结果表明，当煅烧温度为673 K时，ZnWO4具有更好的催化超声降解活性.ZnWO4催化超声降解BR2的主要作用机制是产生的活性氧（ROS）如·OH和·O2-以及空穴（h+）的氧化作用.当煅烧后ZnWO4的加入量为1.5 g·L-1、BR2初始浓度为10 mg·L-1、溶液起始pH值为7、超声功率为200 W、超声时间为120 min、温度为25±0.1℃时，BR2的降解率为90.23%±0.93%.研究结果表明，煅烧可显著提升ZnWO4催化超声降解有机污染物的活性，将为其进一步应用提供研究基础.

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