Glutathione promoted Fenton degradation: a cocatalyst based on the -HS/-S-S- cycle with hydroxyl radicals

doi:10.1039/c9ew00917e

	Glutathione promoted Fenton degradation: a cocatalyst based on the -HS/-S-S- cycle with hydroxyl radicals
	Da, Xuwen 1; Tang, Daojian 1; Wang, Ling 2; Ma, Jiahai 1
刊名	ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
	2020-03-01
卷号	6 期号:3 页码:515-522
ISSN号	2053-1400
DOI	10.1039/c9ew00917e
英文摘要	Glutathione, a kind of tripeptide with a thiol group, was introduced into the traditional Fenton system. It was found that target pollutant degradation is greatly improved when adding glutathione into the Fenton system, due to it accelerating the Fe(II)/Fe(III) cycle, thus generating more hydroxyl radicals. The variation of the concentrations of Fe(II) and H2O2 and the generation of HO center dot were monitored to verify the catalytic action of glutathione. Operating variables such as pH, molar ratios and different atmospheres were examined, and cyclic degradation experiments were performed to explore the stability of catalysts. Electrospray ionization mass spectrometry (ESI-MS) was used to determine the transformation of different forms of glutathione to explore the catalytic mechanism. More importantly, it was found that other thiol compounds can also promote the Fenton degradation through a cycle of thiol compounds and their oxidized forms. In conclusion, it is a cocatalyst based on the -HS/-S-S- cycle with hydroxyl radicals, which has not been reported previously.
资助项目	National Natural Science Foundation of China[21377126] ; National Natural Science Foundation of China[41573115] ; Science and Education Integration Foundation (Institute of Chemistry, Chinese Academy of Sciences)
WOS关键词	WEIGHT ORGANIC-ACIDS ; WASTE-WATER ; HYDROGEN-PEROXIDE ; OXIDATION ; PH ; POLLUTANTS ; QUINONE ; MECHANISM ; OZONATION ; REMOVAL
WOS研究方向	Engineering ; Environmental Sciences & Ecology ; Water Resources
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000519272700035
资助机构	National Natural Science Foundation of China ; Science and Education Integration Foundation (Institute of Chemistry, Chinese Academy of Sciences)
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/39741]
专题	中国科学院过程工程研究所
通讯作者	Ma, Jiahai
作者单位	1.Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing Key Lab Ionic Liquids Clean Proc, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Da, Xuwen,Tang, Daojian,Wang, Ling,et al. Glutathione promoted Fenton degradation: a cocatalyst based on the -HS/-S-S- cycle with hydroxyl radicals[J]. ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,2020,6(3):515-522.
APA	Da, Xuwen,Tang, Daojian,Wang, Ling,&Ma, Jiahai.(2020).Glutathione promoted Fenton degradation: a cocatalyst based on the -HS/-S-S- cycle with hydroxyl radicals.ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,6(3),515-522.
MLA	Da, Xuwen,et al."Glutathione promoted Fenton degradation: a cocatalyst based on the -HS/-S-S- cycle with hydroxyl radicals".ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY 6.3(2020):515-522.