Effective degradation of carbamazepine using a novel electro-peroxone process involving simultaneous electrochemical generation of ozone and hydrogen peroxide

被引：32

作者：

Yang, Bo ^{[1
,5
]}

Deng, Jianping ^{[1
]}

Yu, Gang ^{[2
]}

Deng, Shubo ^{[2
]}

Li, Juying ^{[1
,5
]}

Zhu, Caizhen ^{[1
]}

Zhuo, Qiongfang ^{[3
]}

Duan, Huabo ^{[4
]}

Guo, Tao ^{[1
,5
]}

机构：

[1] Shenzhen Univ, Coll Chem & Environm Engn, Shenzhen 518060, Peoples R China

[2] Tsinghua Univ, Sch Environm, POPs Res Ctr, Beijing 100084, Peoples R China

[3] South China Inst Environm Sci, Minist Environm Protect, Guangzhou 510655, Guangdong, Peoples R China

[4] Shenzhen Univ, Coll Civil Engn, Smart City Res Inst, Shenzhen 518060, Peoples R China

[5] Shenzhen Key Lab Environm Chem & Ecol Remediat, Shenzhen 518060, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2018年 / 86卷

基金：

中国国家自然科学基金;

关键词：

Electro-peroxone; Ozone; Hydrogen peroxide; Refractory pharmaceutical pollutant; DOPED TI/SNO2 ELECTRODE; WASTE-WATER TREATMENT; CELL; OZONATION; DESIGN; ACID; BLUE;

D O I：

10.1016/j.elecom.2017.11.003

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

An advanced electrochemical oxidation process (electro-peroxone) involving a dual electrode system was developed to degrade recalcitrant carbamazepine (CBZ). During this electro-peroxone (E-peroxone) process, ozone was electrochemically produced by anodic oxidation of water in a membrane electrode assembly (MEA) cell and H2O2 was simultaneously generated by the sparged O-2 using a carbon-polytetrafluorethylene (C-PTFE) cathode. The O-3 and H2O2 electrogenerated in situ synergistically produce hydroxyl radicals (center dot OH), which are much more easily oxidized than O-3. As a result, the removal efficiencies of CBZ and its TOC reached 99.8% and 97.6% after 15 min and 90 min of E-peroxone treatment, respectively, these figures remaining stable after multiple tests. The E-peroxone process is therefore a promising and effective method for degrading ozone-refractory organic contaminants in wastewater.

引用

页码：26 / 29

页数：4

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