期刊
CORROSION SCIENCE
卷 194, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2021.109930
关键词
Inhibitor; CO2 corrosion; Carbon steel; Adsorption; Molecular dynamics simulation; Quantum chemical calculation
资金
- National Natural Science Foundation of China [51501160, 52171080]
- Scientific and Technological Innovation Team for the Safety of Petroleum Tubular Goods at Southwest Petroleum University [2018CXTD01]
The two imidazoline derivatives, OI and MOI, were synthesized as highly efficient inhibitors for CO2-containing solution. The results showed that MOI had a better inhibition performance with an efficiency as high as 95.58% at 20 ppm. Theoretical calculations confirmed successful chemisorption of both inhibitors on metal surfaces, with MOI utilizing sulfhydryl as a powerful adsorption site.
Two imidazoline derivatives (OI and MOI) were synthesized as highly efficient inhibitors, and their inhibition performances and mechanisms in CO2-containing solution were studied using weight loss measurements, elec-trochemical tests, surface analysis and theoretical calculations. The results indicate that OI and MOI show excellent inhibition efficiency. Especially for MOI, its inhibition efficiency is as high as 95.58% at 20 ppm. Theoretical calculations confirm that both inhibitors successfully adsorb on metal surface via chemisorption. MOI shows a better inhibition performance than OI, because the sulfhydryl in MOI can be used as a powerful adsorption site, effectively improving the adsorption ability of MOI.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据