APM OpenIR
The catalytic role of nascent Cu(OH)(2) particles in the sulfite-induced oxidation of organic contaminants
Luo, Tao1; Yuan, Yanan1; Zhou, Danna2,3; Luo, Liting4; Li, Jinjun1; Wu, Feng1
2019-05-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume363Pages:329-336
AbstractIn the recent years, sulfite-induced oxidation of various contaminants using oxysulfur radicals (SO4 center dot-, SO5 center dot- and SO3 center dot-) has been explored to establish novel advanced oxidation processes (AOPs). Although transition metals, such as cupric ions (Cu(II)), have been demonstrated to be capable of activating sulfite (S(IV)), the catalytic mechanism of the specific Cu(II) species is still not very clear. In this work, N-acetyl-para-aminophenol (APAP) was used as a basic substrate to investigate the process, mechanism and stability of the Cu(II)-S(IV) system with low dosages of Cu(II) (0.010 mmol L-1) in an alkaline solution (pH 10). The results show that 0.010 mmol L-1 Cu(II) can efficiently activate S(IV) for the oxidation of APAP and other contaminants (e.g., metoprolol, sulfanilamide, aniline, 4-chloroaniline, N,N-dimethylaniline, p-nitrophenol and 3-nitrophenol). Simulation calculations for the distribution of the Cu(II) species and pH-dependence of APAP oxidation in the Cu(II)-S(IV) system showed that Cu(OH)(2) particles are the major active species in the catalysis of S(IV). The surface complexation of S(IV) with the Cu(OH)(2) particles prior to the production of oxysulfur radicals is the basic mechanism of the alkaline Cu(II)-S(IV) system. Radical inhibition with scavengers (ethanol, tert-butyl alcohol or aniline) demonstrates that SO5 center dot-, SO4 center dot- and hydroxyl radicals (HO center dot) are responsible for the contaminant oxidation. Moreover, SO5 center dot- is believed to be the main active species in the Cu(II)-S(IV) system, which has a second-order rate constant of 2.98 x 10(8)M(-1) s(-1) with APAP. This work renews our recognition of the Cu(II)-S(IV) system applications and further understanding of the catalytic role of the nascent Cu(OH)(2) particles in the activation of S(IV).
KeywordCupric hydroxide Sulfite autoxidation Oxysulfur radical Paracetamol Alkaline pH Surface complexation
Funding OrganizationScience and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.1016/j.cej.2019.01.114
WOS KeywordDRIVEN PHOTOCATALYTIC DEGRADATION ; ACTIVATED PERSULFATE OXIDATION ; ION SULFUR(IV) CHEMISTRY ; ACID ORANGE 7 ; RADICAL GENERATION ; ELECTRON-TRANSFER ; AQUEOUS-SOLUTIONS ; RATE CONSTANTS ; SYSTEM ; KINETICS
Language英语
Funding ProjectScience and Technology Planning Project of Guangdong Province[2017B030314092] ; National Natural Science Foundation of China[21876160]
Funding OrganizationScience and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Science and Technology Planning Project of Guangdong Province ; Science and Technology Planning Project of Guangdong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000457866400033
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.apm.ac.cn/handle/112942/14327
Collection中国科学院武汉物理与数学研究所
Corresponding AuthorLuo, Liting; Wu, Feng
Affiliation1.Wuhan Univ, Sch Resources & Environm Sci, Wuhan 430079, Hubei, Peoples R China
2.Guangdong Inst Ecoenvironm Sci Technol, Guangdong Key Lab Agro Environm Pollut Control &, Guangzhou 510650, Guangdong, Peoples R China
3.China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Hubei, Peoples R China
4.Chinese Acad Sci, Wuhan Inst Phys & Math, Natl Ctr Magnet Resonance Wuhan, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Luo, Tao,Yuan, Yanan,Zhou, Danna,et al. The catalytic role of nascent Cu(OH)(2) particles in the sulfite-induced oxidation of organic contaminants[J]. CHEMICAL ENGINEERING JOURNAL,2019,363:329-336.
APA Luo, Tao,Yuan, Yanan,Zhou, Danna,Luo, Liting,Li, Jinjun,&Wu, Feng.(2019).The catalytic role of nascent Cu(OH)(2) particles in the sulfite-induced oxidation of organic contaminants.CHEMICAL ENGINEERING JOURNAL,363,329-336.
MLA Luo, Tao,et al."The catalytic role of nascent Cu(OH)(2) particles in the sulfite-induced oxidation of organic contaminants".CHEMICAL ENGINEERING JOURNAL 363(2019):329-336.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Luo, Tao]'s Articles
[Yuan, Yanan]'s Articles
[Zhou, Danna]'s Articles
Baidu academic
Similar articles in Baidu academic
[Luo, Tao]'s Articles
[Yuan, Yanan]'s Articles
[Zhou, Danna]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Luo, Tao]'s Articles
[Yuan, Yanan]'s Articles
[Zhou, Danna]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.