非自由基路线活化过硫酸盐的研究现状
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摘要
在过一硫酸盐(简称PMS)和过二硫酸盐(简称PDS)的高级氧化技术中,非自由基路线具有高选择性氧化、有毒副产物少(如氯离子存在时)以及对催化剂结构破坏小等优点。过硫酸盐本身很难直接降解有机污染物,因而活化过硫酸盐是一个必不可少的步骤。简述了金属基和碳基材料活化过硫酸盐降解水中有机污染物的研究现状,重点阐述了非自由基路线。针对各自的优缺点,展望了未来发展方向。
In advanced oxidation processes of peroxymonosulfate( PMS) and peroxydisulfate( PDS),the non-radical pathway has many merits,such as highly selective oxidation,less by-products and the less damage for catalyst structure. It is extremely difficult for persulfates to directly degrade organic compounds,and therefore it is an essential step to activate persulfates. The advanced progresses of metal-based and carbon-based materials for activating persulfates in the past few years were mainly introduced,and the non-radical pathway for the degradation of organic compounds in water was focused. Finally, the development of the future was proposed on the basis of their advantages and disadvantages.
In advanced oxidation processes of peroxymonosulfate( PMS) and peroxydisulfate( PDS),the non-radical pathway has many merits,such as highly selective oxidation,less by-products and the less damage for catalyst structure. It is extremely difficult for persulfates to directly degrade organic compounds,and therefore it is an essential step to activate persulfates. The advanced progresses of metal-based and carbon-based materials for activating persulfates in the past few years were mainly introduced,and the non-radical pathway for the degradation of organic compounds in water was focused. Finally, the development of the future was proposed on the basis of their advantages and disadvantages.
引文
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[14]Renli Yin,Wanqian Guo,Huazhe Wang,et al.Singlet oxygendominated peroxydisulfate activation by sludge-derived biochar for sulfamethoxazole degradation through a nonradical oxidation pathway:Performance and mechanism[J].Chem.Eng.J,2019,357:589-599.
[15]Chenhui Yao,Yongqing Zhang,Meimei Du,et al.Insights into the mechanism of non-radicalactivation of persulfate via activated carbon for the degradation of p-chloroaniline[J].Chem.Eng.J.,2019,362:262-268.
[16]Xiaoguang Duan,Hongqi Sun,Yuxian Wang,et al.N-dopinginduced nonradical reaction on single-walled carbon nanotubes for catalytic phenol oxidation[J].ACS Catal,2015,5:553-559.
[17]Shishu Zhu,Xiaochen Huang,Fang Ma,et al.Catalytic removal of aqueous contaminants on N-doped graphitic biochars:Inherent roles of adsorption and nonradical mechanisms[J].Environ.Sci.Technol,2018,52:8649-8658.
[18]Wenjie Ma,Na Wang,Yanan Fan,et al.Non-radical-dominated catalytic degradation of bisphenol A by ZIF-67 derived nitrogen-doped carbon nanotubes frameworks in the presence of peroxymonosulfate[J].Chem.Eng.J.,2018,336:721-731.
[2]Xiaodong Du,Yongqing Zhang,Imtyaz Hussain,et al.Insight into reactive oxygen species in persulfate activation with copper oxide:Activated persulfate and trace radicals[J].Chem.Eng.J.,2017,313:1023-1032.
[3]Xiaodong Du,Yongqing Zhang,Fan Si,et al.Persulfate non-radical activation by nano-CuO for efficient removal of chlorinated organic compounds:Reduced graphene oxide-assisted and CuO(001)facetdependent[J].Chem.Eng.J,2019,356:178-189.
[4]Shishu Zhu,Xiaojie Li,Jian Kang,et al.Persulfate activation on crystallographic manganese oxides:Mechanism of singlet oxygen evolution for nonradical selective degradation of aqueous contaminants[J].Environ.Sci.Technol.,2019,53:307-315.
[5]Xin Huang,Man Su,Jizhi Zhou,et al.Novel activation of persulfate by its intercalation into Mg/Al-layered double hydroxide:Enhancement of non-radical oxidation[J].Chem.Eng.J,2017,328:66-73.
[6]Hongshin Lee,Hye-Jin Lee,Joonseon Jeong,et al.Activation of persulfates by carbon nanotubes:oxidation of organic compounds by nonradical mechanism[J].Chem.Eng.J,2015,266:28-33.
[7]Xin Cheng,Hongguang Guo,Yongli Zhang,et al.Non-photochemical production of singlet oxygen via activation of persulfate by carbon nanotubes[J].Water Res,2017,113:80-88.
[8]Weichun Yang,Zhi Jiang,Xiaoxian Hu,et al.Enhanced activation of persulfate by nitric acid/annealing modified multi-walled carbon nanotubes via non-radical process[J].Chemosphere,2019,220:514-522.
[9]Chaoting Guan,Jin Jiang,Suyan Pang,et al.Oxidation kinetics of bromophenols by nonradical activation of peroxydisulfate in the presence of carbon nanotube and formation of brominated polymeric products[J].Environ.Sci.Technol.,2017,51:10718-10728.
[10]Xiaoguang Duan,Hongqi Sun,Moses Tade,et al.Metal-free activation of persulfate by cubic mesoporous carbons for catalytic oxidation via radical and nonradical processes[J].Catal.Today.2018,307:140-146.
[11]Lin Tang,Yani Liu,Jiajia Wang,et al.Enhanced activation process of persulfate by mesoporous carbon for degradation of aqueous organic pollutants:Electron transfer mechanism[J].Appl.Catal.B:Environ,2018,231:1-10.
[12]Lili Jiang,Ying Zhang,Minghua Zhou,et al.Oxidation of Rhodamine B by persulfate activated with porous carbon aerogel through a nonradical mechanism[J].J.Hazar.Mater,2018,358:53-61.
[13]Hongshin Lee,Hyoung-il Kim,Seunghyun Weon,et al.Activation of persulfates by graphitized nanodiamonds for removal of organic compounds[J].Environ.Sci.Technol,2016,50:10134-10142.
[14]Renli Yin,Wanqian Guo,Huazhe Wang,et al.Singlet oxygendominated peroxydisulfate activation by sludge-derived biochar for sulfamethoxazole degradation through a nonradical oxidation pathway:Performance and mechanism[J].Chem.Eng.J,2019,357:589-599.
[15]Chenhui Yao,Yongqing Zhang,Meimei Du,et al.Insights into the mechanism of non-radicalactivation of persulfate via activated carbon for the degradation of p-chloroaniline[J].Chem.Eng.J.,2019,362:262-268.
[16]Xiaoguang Duan,Hongqi Sun,Yuxian Wang,et al.N-dopinginduced nonradical reaction on single-walled carbon nanotubes for catalytic phenol oxidation[J].ACS Catal,2015,5:553-559.
[17]Shishu Zhu,Xiaochen Huang,Fang Ma,et al.Catalytic removal of aqueous contaminants on N-doped graphitic biochars:Inherent roles of adsorption and nonradical mechanisms[J].Environ.Sci.Technol,2018,52:8649-8658.
[18]Wenjie Ma,Na Wang,Yanan Fan,et al.Non-radical-dominated catalytic degradation of bisphenol A by ZIF-67 derived nitrogen-doped carbon nanotubes frameworks in the presence of peroxymonosulfate[J].Chem.Eng.J.,2018,336:721-731.
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