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[1]王 鑫,苏春平*,陈 嵘*.Cu2（OH）PO4/Bi2WO6复合材料光活化过硫酸盐降解2，4-二氯苯酚和双酚A研究[J].武汉工程大学学报,2024,46(03):237-243.[doi:10.19843/j.cnki.CN42-1779/TQ.202404019]
　WANG Xin,SU Chunping*,CHEN Rong*.Degradation of 2，4-dichlorophenol and bisphenol A with persulfatephotoactivated by Cu2（OH）PO4 / Bi2WO6[J].Journal of Wuhan Institute of Technology,2024,46(03):237-243.[doi:10.19843/j.cnki.CN42-1779/TQ.202404019]
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Cu2（OH）PO4/Bi2WO6复合材料光活化过硫酸盐降解2，4-二氯苯酚和双酚A研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
46
期数:
2024年03期
页码:
237-243
栏目:
化学与化学工程
出版日期:
2024-06-30

文章信息/Info

Title:
Degradation of 2，4-dichlorophenol and bisphenol A with persulfate
photoactivated by Cu2（OH）PO4 / Bi2WO6
文章编号:
1674 - 2869（2024）03 - 0237 - 07
作者:
王 鑫1; 苏春平*1; 陈 嵘*2
1. 武汉工程大学化学与环境工程学院，湖北 武汉 430205；
2. 武汉纺织大学纺织新材料与先进加工技术省部共建国家重点实验室，湖北 武汉 430200
Author(s):
WANG Xin1; SU Chunping*1; CHEN Rong*2
1. School of Chemical and Environmental Engineering， Wuhan Institute of Technology， Wuhan 430205， China；
2. State Key Laboratory of New Textile Materials and Advanced Processing Technology， Wuhan Textile University，
Wuhan 430200， China
关键词:
钨酸铋; 复合材料; 过硫酸盐; 光催化
Keywords:
bismuth tungstate;  composite material;  persulfate;  photocatalysis
分类号:
TQ116
DOI:
10.19843/j.cnki.CN42-1779/TQ.202404019
文献标志码:
A
摘要:
采用两步水热法制备不同Cu2(OH)PO4/Bi2WO6复合材料，通过X射线粉末衍射和扫描电子显微镜确定其物相组成和形貌。利用火焰原子吸收光谱测定Cu2（OH）PO4的实际负载量。复合材料用于可见光下活化过硫酸盐（PDS）降解2，4-二氯苯酚（DCP）和双酚A（BPA），Cu2(OH)PO4与Bi2WO6的摩尔比为1∶4时具有最佳的催化性能，可见光光照60 min内DCP和BPA的降解率分别达93.4%和89.8%。对照实验表明，可见光、催化剂和PDS三要素的协同作用促进了BPA的降解。探究了催化剂用量、PDS浓度和BPA初始浓度对BPA降解性能的影响。结果表明催化剂用量越大，BPA降解率越高；PDS浓度对其无明显影响；BPA初始浓度越高，BPA降解速率越慢。自由基捕获剂实验结果表明反应体系中硫酸根自由基（·SO4-）和羟基自由基（·OH）是降解BPA的主要活性物种。
Abstract:
Different Cu2（OH）PO4/Bi2WO6 composite materials were prepared using a two-step hydrothermal method. The phase composition and morphology of the materials were characterized by X-ray powder diffraction and scanning electron microscopy. The actual loading of Cu2(OH)PO4 was determined using flame atomic absorption spectroscopy. These composites were utilized to activate persulfate （PDS） for degrading 2，4-dichlorophenol （DCP） and bisphenol A （BPA） under visible light. Optimal catalytic performance was achieved with a Cu2(OH)PO4-to-Bi2WO6 molar ratio of 1∶4， with degradation rates of 93.4% for DCP and 89.8% for BPA within 60 minutes of visible light exposure. Control experiments highlighted the synergistic effect of visible light， catalyst， and PDS on promoting BPA degradation. The impact of catalyst dosage， PDS concentration， and initial BPA concentration on the degradation performance of BPA was investigated. Results revealed that higher catalyst dosages led to increased BPA degradation rates， while PDS concentration had no significant influence. Higher initial BPA concentrations correlated with slower degradation rates. Free radical scavenging experiments identified sulfate radicals （?SO4-） and hydroxyl radicals （?OH） as the primary active species responsible for BPA degradation in the reaction system.

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备注/Memo

备注/Memo:
收稿日期：2024-04-13
基金项目：国家自然科学基金（22076149）；湖北省自然科学基金青年项目（2023AFB332）
作者简介：王 鑫，硕士研究生。Email：[email protected]
*通信作者：苏春平，博士，讲师。Email：[email protected]
陈 嵘，博士，教授。Email： [email protected]
引文格式：王鑫，苏春平，陈嵘. Cu2（OH）PO4/Bi2WO6复合材料光活化过硫酸盐降解2，4-二氯苯酚和双酚A研究 ［J］. 武汉工程大学学报，2024，46（3）：237-243.
更新日期/Last Update: 2024-07-02