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Visible light driven photocatalytic decomposition of penicillin G by Ti3+ self-doped TiO2 nano-catalyst through response surface methodology
Li, Junjing1; Deng, Xiaoyong3; Guo, Ruonan3; Li, Bo3,4; Cheng, Qingfeng2; Cheng, Xiuwen2,3,4
2018-06-01
Source PublicationJOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume87Pages:174-181
SubtypeArticle
AbstractIn present study, Ti3+ self-doped TiO2 (r-TiO2) nano-catalyst was successfully fabricated by one-step solution reduction treatment in the presence of potassium borohydride. The self-doping process can induce the generation of Ti3+ and oxygen vacancy (O-v) to form a new energy level in the forbidden band of TiO2. Moreover, physicochemical properties of the resulting samples were studied by series of techniques. Results suggest that r-TiO2 nano-catalyst exhibits remarkable enhancement of visible light harvesting and higher charge separation efficiency. In order to investigate the influence factors on degradation of penicillin G (PENG), the experimental design was made using central composite method (CCD) of response surface methodology (RSM). For this purpose, the r-TiO2 dosage, PENG concentration and initial pH value were selected as critical parameters. Results indicate the r-TiO2 dosage and initial pH possess higher influences. Besides, the highest photocatalytic efficiency of PENG (98.3%) can be obtained under the optimal conditions of r-TiO2 dosage 50 mg, PENG concentration 100 mg/L and initial pH 5.5, respectively. (C) 2018 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
KeywordR-tio2 Nano-catalyst Response Surface Methodology Penicillin g Photocatalysis
WOS HeadingsScience & Technology ; Technology
WOS KeywordFACILE PREPARATION ; STEP SYNTHESIS ; DEGRADATION ; ANATASE ; OPTIMIZATION ; REMOVAL ; WATER ; RUTILE ; CARBON ; NANOPARTICLES
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000433272700020
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6723
Collection中国科学院青海盐湖研究所
Corresponding AuthorLi, Junjing; Cheng, Xiuwen
Affiliation1.Tianjin Polytech Univ, Sch Environm & Chem Engn, State Key Lab Separat Membranes & Membrane Proc, Binshui West Rd 399, Tianjin 300387, Peoples R China
2.Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Sichuan, Peoples R China
3.Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Environm Pollut Predict & Control, Key Lab Western Chinas Environm Syst,Minist Educ, Lanzhou 730000, Gansu, Peoples R China
4.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xinning Rd 18, Xining 810008, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Li, Junjing,Deng, Xiaoyong,Guo, Ruonan,et al. Visible light driven photocatalytic decomposition of penicillin G by Ti3+ self-doped TiO2 nano-catalyst through response surface methodology[J]. JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS,2018,87:174-181.
APA Li, Junjing,Deng, Xiaoyong,Guo, Ruonan,Li, Bo,Cheng, Qingfeng,&Cheng, Xiuwen.(2018).Visible light driven photocatalytic decomposition of penicillin G by Ti3+ self-doped TiO2 nano-catalyst through response surface methodology.JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS,87,174-181.
MLA Li, Junjing,et al."Visible light driven photocatalytic decomposition of penicillin G by Ti3+ self-doped TiO2 nano-catalyst through response surface methodology".JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS 87(2018):174-181.
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