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Corrosion inhibition effects of a novel ionic liquid with and without potassium iodide for carbon steel in 0.5 M HCl solution: An experimental study and theoretical calculation

文献类型：期刊论文

作者Lu, Hui5; Cao, Shuyun2,3; Liu, Dan4; Ding, Hui1; Wang, Jinghui4; Gui, Jianzhou2,3,4
刊名JOURNAL OF MOLECULAR LIQUIDS
出版日期2019-02-01
卷号275页码:729-740
关键词Ionic liquid KI Carbon steel Acid corrosion Electrochemical experiments Theoretical calculation
ISSN号0167-7322
DOI10.1016/j.molliq.2018.11.115
通讯作者Liu, Dan(liudan@tjpu.edu.cn) ; Gui, Jianzhou(guijianzhou@tjpu.edu.cn)
英文摘要Corrosion inhibition of carbon steel in 0.5 M HCl solution by novel ionic liquid (IL),1.1'-(1,4-phenylenebis(methylene))bis(3-(carboxymethyl)-1H-imidazol-3-ium) chloride with and without KI was systematically investigated by electrochemical tests, surface and solution analysis as well as theoretical calculation. Results showed that IL can suppress anodic and cathodic reaction by adsorption onto the steel surface, which follows the Langmuir adsorption isotherm. The inhibition efficiency increases with increasing IL concentration. Addition of KI to IL increases the maximum inhibition efficiency of 94.8% to 96.2% when using IL:KI = 1:1. Theoretical inhibition efficiency results correlate well with experimental observations. (C) 2018 Elsevier B.V. All rights reserved.
WOS关键词MILD-STEEL ; ACID ; IRON ; DERIVATIVES ; MECHANISM ; BEHAVIOR
资助项目National Natural Science Foundation of China[21576211] ; Program for Tianjin Innovative Research Team in Universities[TD13-5031] ; Tianjin 131 Research Team of Invovative Talents
WOS研究方向Chemistry ; Physics
语种英语
WOS记录号WOS:000458228400073
出版者ELSEVIER SCIENCE BV
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program for Tianjin Innovative Research Team in Universities ; Program for Tianjin Innovative Research Team in Universities ; Tianjin 131 Research Team of Invovative Talents ; Tianjin 131 Research Team of Invovative Talents ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program for Tianjin Innovative Research Team in Universities ; Program for Tianjin Innovative Research Team in Universities ; Tianjin 131 Research Team of Invovative Talents ; Tianjin 131 Research Team of Invovative Talents ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program for Tianjin Innovative Research Team in Universities ; Program for Tianjin Innovative Research Team in Universities ; Tianjin 131 Research Team of Invovative Talents ; Tianjin 131 Research Team of Invovative Talents ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Program for Tianjin Innovative Research Team in Universities ; Program for Tianjin Innovative Research Team in Universities ; Tianjin 131 Research Team of Invovative Talents ; Tianjin 131 Research Team of Invovative Talents
源URL[http://cas-ir.dicp.ac.cn/handle/321008/165930]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Liu, Dan; Gui, Jianzhou
作者单位1.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
2.Tianjin Polytech Univ, Tianjin Key Lab Green Chem Technol & Proc Engn, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
3.Tianjin Polytech Univ, Sch Mat Sci & Engn, Tianjin 300387, Peoples R China
4.Tianjin Polytech Univ, Tianjin Key Lab Green Chem Technol & Proc Engn, Sch Environm & Chem Engn, Tianjin 300387, Peoples R China
5.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714		 Lu, Hui,Cao, Shuyun,Liu, Dan,et al. Corrosion inhibition effects of a novel ionic liquid with and without potassium iodide for carbon steel in 0.5 M HCl solution: An experimental study and theoretical calculation[J]. JOURNAL OF MOLECULAR LIQUIDS,2019,275:729-740.
APA Lu, Hui,Cao, Shuyun,Liu, Dan,Ding, Hui,Wang, Jinghui,&Gui, Jianzhou.(2019).Corrosion inhibition effects of a novel ionic liquid with and without potassium iodide for carbon steel in 0.5 M HCl solution: An experimental study and theoretical calculation.JOURNAL OF MOLECULAR LIQUIDS,275,729-740.
MLA Lu, Hui,et al."Corrosion inhibition effects of a novel ionic liquid with and without potassium iodide for carbon steel in 0.5 M HCl solution: An experimental study and theoretical calculation".JOURNAL OF MOLECULAR LIQUIDS 275(2019):729-740.

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来源：大连化学物理研究所

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