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题名: Visible light driven photocatalytic decomposition of penicillin G by Ti3+ self-doped TiO2 nano-catalyst through response surface methodology
作者: Li, JJ; Deng, XY; Guo, RN; Li, B; Cheng, QF; Cheng, XW
收录类别: SCIE
出版日期: 2018-06
刊名: JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷号: 87, 页码:174-181
出版者: ELSEVIER
出版地: AMSTERDAM
英文摘要: In 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.
关键词: r-TiO2 nano-catalyst ; Response surface methodology ; Penicillin G ; Photocatalysis
作者部门: [Li, Junjing] Tianjin Polytech Univ, Sch Environm & Chem Engn, State Key Lab Separat Membranes & Membrane Proc, Binshui West Rd 399, Tianjin 300387, Peoples R China ; [Cheng, Qingfeng ; Cheng, Xiuwen] Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Sichuan, Peoples R China ; [Deng, Xiaoyong ; Guo, Ruonan ; Li, Bo ; Cheng, Xiuwen] 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 ; [Li, Bo ; Cheng, Xiuwen] Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xinning Rd 18, Xining 810008, Qinghai, Peoples R China
通讯作者: Li, JJ (reprint author), Tianjin Polytech Univ, Sch Environm & Chem Engn, Binshui West Rd 399, Tianjin 300387, Peoples R China. ; Cheng, XW (reprint author), Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou 730000, Gansu, Peoples R China.
学科分类: Engineering
文章类型: Article
所属项目编号: National Natural Science Foundation of China [51508385, 51508254] ; Natural Science Foundation of Tianjin of China [17JCQNJC07900] ; Fundamental Research Funds for the Central Universities [lzujbky-2015-137] ; State Key Laboratory of High Performance Ceramics and Superfine Microstructure [SKL201509SIC] ; Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials [KFK1502] ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences
所属项目名称: 国家自然科学基金项目 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; LZU
语种: 英语
DOI: 10.1016/j.jtice.2018.03.033
ISSN号: 1876-1070
WOS记录号: WOS:000433272700020
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/196027
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Li, JJ,Deng, XY,Guo, RN,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.
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