喹啉衍生物在土酸体系中对N80钢的缓蚀性能研究  

The Corrosion Properties Research with Quinoline Derivative on N80 Steel in Mud Acid System

作　　者：李天斌 胡琳莉[2] 梅平[2] 

机构地区：[1]中海石油(中国)有限公司湛江分公司,广东湛江524057 [2]长江大学化学与环境工程学院,湖北荆州434023

出　　处：《石油天然气学报》2011年第8期155-157,10,共3页Journal of Oil and Gas Technology

基　　金：湖北省自然科学基金创新群体项目(2010CDA079);湖北省高等学校优秀中青年创新团队计划项目(T201003);中国石油科技创新基金项目(2008D-5006-02-01)

摘　　要：通过静态失重法评价了2种喹啉衍生物QA和QAD在土酸体系中对N80钢的缓蚀性能,发现喹啉衍生物是效果较好的土酸酸化缓蚀剂,用量在200mg/L时缓蚀效果可达到行业标准。通过动电位极化扫描和交流阻抗研究了QA和QAD在土酸体系中的电化学缓蚀机理,探讨了二者缓蚀性能差异的原因。The corrosion Inhibition of two quinoline derivatives QA and QAD on N80 steel was evaluated in mud acid system through static weight loss.It found that quinoline derivatives were more effective in the mud acid corrosion inhibitor,and inhibition effect can reach the industry standard when the dosage is 200mg/L.Inhibition mechanism of the electrochemical about QA and QAD was researched in mud acid system through potentiodynamic polarzation and AC impedance,and the reason about differences of the two corrosion inhibition was discussed.

关 键 词：喹啉衍生物 土酸体系 缓蚀机理 N80钢 

分 类 号：TG174.1[金属学及工艺—金属表面处理]