Synthesis, characterization and electrochemical performance of a new imidazoline derivative as an environmentally friendly corrosion and scale inhibitor

被引：0
作者：
Sina Borghei
Changiz Dehghanian
Rouhollah Yaghoubi
Saeed Yari
机构：
[1] University of Tehran,School of Metallurgy and Materials Engineering, College of Engineering
[2] Tarbiat Modares University,Department of Chemistry
来源：
Research on Chemical Intermediates | 2016年 / 42卷
关键词：
Corrosion; Scale; Environmentally friendly; Organic inhibitor; Sodium tungstate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new imidazoline derivative, {[(benzimidazol-2-ylmethyl)imino]bis(methylene)} bis(phosphonicacid), named as BMIBMBPA, was synthesized as an environmentally friendly corrosion and scale inhibitor. The performance of BMIBMBPA for carbon steel in cooling tower water was evaluated using weight loss, electrochemical measurements and a scale test and compared to that of sodium tungstate. The optimum concentration of BMIBMBPA was measured to be 40 mg/L and a much higher value, even at lower inhibition efficiencies, was determined for sodium tungstate. The electrochemical measurements demonstrated that BMIBMBPA acts as a mixed-type corrosion inhibitor. Surface analyses revealed adsorption of BMIBMBPA and scale inhibition through disruption in growth of precipitates.
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页码：4551 / 4568
页数：17
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