PMID- 29524820
OWN - NLM
STAT- MEDLINE
DCOM- 20180731
LR  - 20221207
IS  - 1879-1298 (Electronic)
IS  - 0045-6535 (Linking)
VI  - 201
DP  - 2018 Jun
TI  - Visible-light-driven photocatalytic activation of peroxymonosulfate by 
      Cu(2)(OH)PO(4) for effective decontamination.
PG  - 197-205
LID - S0045-6535(18)30409-0 [pii]
LID - 10.1016/j.chemosphere.2018.03.005 [doi]
AB  - The advanced oxidation process (AOP) based on SO(4)(-) radicals draws an 
      increasing interest in water and wastewater treatment. Producing SO(4)(-) 
      radicals from the activation of peroxymonosulfate (PMS) by transition metal ions 
      or oxides may be problematic due to high operational cost and potential secondary 
      pollution caused by metal leaching. To address this challenge, the present study 
      reports the efficient production of SO(4)(-) radicals through 
      visible-light-driven photocatalytic activation (VL-PCA) of PMS by using 
      Cu(2)(OH)PO(4) single crystal for enhanced degradation of a typical recalcitrant 
      organic pollutant, i.e., 2,4-dichlorophenol (2,4-DCP). It took only 7 min to 
      achieve almost 100% removal of 2,4-DCP in the Cu(2)(OH)PO(4)/PMS system under 
      visible-light irradiation and pH-neutral condition. The 2,4-DCP degradation was 
      positively correlated to the amount of Cu(2)(OH)PO(4) and PMS. Both OH and 
      SO(4)(-) radicals were responsible for enhanced degradation performance, 
      indicated by radical scavenger experiments and electron spin resonance (ESR) 
      measurements. The Cu(2)(OH)PO(4) single crystal exhibited good cyclic stability 
      and negligible metal leaching. According to density functional theory (DFT) 
      calculations, the visible-light-driven transformation of two copper states 
      between trigonal bipyramidal sites and octahedral sites in the crystal structure 
      of Cu(2)(OH)PO(4) facilitates the generation of OH and SO(4)(-) radicals from the 
      activation of PMS and cleavage of O-O bonds. This study provides the 
      proof-in-concept demonstration of activation of PMS driven by visible light, 
      making the SO(4)(-) radicals-based AOPs much easier, more economical and more 
      sustainable in engineering applications for water and wastewater treatment.
CI  - Copyright (c) 2018 Elsevier Ltd. All rights reserved.
FAU - Liu, Guoshuai
AU  - Liu G
AD  - State Key Laboratory of Urban Water Resource and Environment, School of 
      Environment, Harbin Institute of Technology, Harbin, 150090, PR China.
FAU - Zhou, Yanan
AU  - Zhou Y
AD  - School of Chemical Engineering, Sichuan University, Chengdu, 610065, PR China.
FAU - Teng, Jie
AU  - Teng J
AD  - State Key Laboratory of Urban Water Resource and Environment, School of 
      Environment, Harbin Institute of Technology, Harbin, 150090, PR China.
FAU - Zhang, Jinna
AU  - Zhang J
AD  - State Key Laboratory of Urban Water Resource and Environment, School of 
      Environment, Harbin Institute of Technology, Harbin, 150090, PR China. Electronic 
      address: zzjjnn_4@163.com.
FAU - You, Shijie
AU  - You S
AD  - State Key Laboratory of Urban Water Resource and Environment, School of 
      Environment, Harbin Institute of Technology, Harbin, 150090, PR China. Electronic 
      address: sjyou@hit.edu.cn.
LA  - eng
PT  - Journal Article
DEP - 20180302
PL  - England
TA  - Chemosphere
JT  - Chemosphere
JID - 0320657
RN  - 0 (Peroxides)
RN  - 0 (Waste Water)
RN  - 0 (Water Pollutants, Chemical)
RN  - 22047-43-4 (peroxymonosulfate)
RN  - 789U1901C5 (Copper)
SB  - IM
MH  - Copper/*chemistry
MH  - Decontamination/*methods
MH  - Hydrogen-Ion Concentration
MH  - *Light
MH  - Oxidation-Reduction
MH  - Peroxides/*chemistry/radiation effects
MH  - Wastewater/*chemistry
MH  - Water Pollutants, Chemical/*analysis
MH  - Water Purification/*methods
OTO - NOTNLM
OT  - Decontamination
OT  - Peroxymonosulfate
OT  - Photocatalytic activation
OT  - Visible light
EDAT- 2018/03/11 06:00
MHDA- 2018/08/01 06:00
CRDT- 2018/03/11 06:00
PHST- 2017/08/19 00:00 [received]
PHST- 2018/02/26 00:00 [revised]
PHST- 2018/03/01 00:00 [accepted]
PHST- 2018/03/11 06:00 [pubmed]
PHST- 2018/08/01 06:00 [medline]
PHST- 2018/03/11 06:00 [entrez]
AID - S0045-6535(18)30409-0 [pii]
AID - 10.1016/j.chemosphere.2018.03.005 [doi]
PST - ppublish
SO  - Chemosphere. 2018 Jun;201:197-205. doi: 10.1016/j.chemosphere.2018.03.005. Epub 
      2018 Mar 2.