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Synergistic effect of mixing cationic and nonionic surfactants on corrosion inhibition of mild steel in HCl: Experimental and theoretical investigations
Han, Peng1,2; Chen, Changfeng1; Li, Weihua2; Yu, Haobo1; Xu, Yizhen1; Ma, Lei3; Zheng, Yanjun1
2018-04-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume516Pages:398-406
Corresponding AuthorChen, Changfeng(chen_c_f@163.com) ; Li, Weihua(liweihua@qdio.ac.cn)
AbstractWe studied the inhibition performances of IMB (imidazoline quaternary salt (IM) and benzotriazole (BTAH)) and IMO (IM and octyl phenol ethoxylates (OP)) mixtures as inhibitors of L245 steel placed in 10 vol% HCl solution at 298 K using experimental methods and theoretical calculations. We found that the mixtures adsorb on the steel by an endothermic spontaneous process, and the adsorption model follows Langmuir isotherm. The mixtures exhibit good synergistic inhibition effect, and the inhibition efficiency enhanced in turn (IMB < IMO). The relationship between synergistic effect of organic inhibitors and their energetic position of molecular frontier orbitals was discussed. (C) 2018 Elsevier Inc. All rights reserved.
KeywordCarbon steel Electrochemistry Weight loss Inhibitor Theoretical investigation
DOI10.1016/j.jcis.2018.01.088
Indexed BySCI
Language英语
Funding ProjectNational Science Fund for Young Scholars[51701234]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000427808900044
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158126
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorChen, Changfeng; Li, Weihua
Affiliation1.China Univ Petr, Dept Mat Sci & Engn, Beijing Key Lab Failure Corros & Protect Oil Gas, 18 Fuxue Rd, Beijing 102249, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
3.Tarim Oilfiled Co, Korla 841000, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Han, Peng,Chen, Changfeng,Li, Weihua,et al. Synergistic effect of mixing cationic and nonionic surfactants on corrosion inhibition of mild steel in HCl: Experimental and theoretical investigations[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2018,516:398-406.
APA Han, Peng.,Chen, Changfeng.,Li, Weihua.,Yu, Haobo.,Xu, Yizhen.,...&Zheng, Yanjun.(2018).Synergistic effect of mixing cationic and nonionic surfactants on corrosion inhibition of mild steel in HCl: Experimental and theoretical investigations.JOURNAL OF COLLOID AND INTERFACE SCIENCE,516,398-406.
MLA Han, Peng,et al."Synergistic effect of mixing cationic and nonionic surfactants on corrosion inhibition of mild steel in HCl: Experimental and theoretical investigations".JOURNAL OF COLLOID AND INTERFACE SCIENCE 516(2018):398-406.
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