GC-203高温酸化缓蚀剂的合成及缓蚀机理研究
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- 英文论文题名：Investigation of the Inhibition Effect of a Corrosion Inhibitor for Acidification Base on Mild Steel Corrosion in Hydrochloric Acid
- 论文作者：李玲杰 ; 韩文礼 ; 杨耀辉 ; 张彦军 ; 徐忠苹 ; 张贻刚
- 英文论文作者：LI Ling-jie ; HAN Wen-li ; YANG Yao-hui ; ZHANG Yan-jun ; XU Zhong-ping ; ZHANG Yi-gang ; CNPC Research Institute of Engineering Technology ; Key Laboratory of Tubular Goods Engineering ; CNPC-Research Division of Anti-Corrosion Coating and Thermal Insulation Structure
- 年：2014
- 作者机构：中国石油集团工程技术研究院;中国石油集团石油管工程重点实验室涂层材料与保温结构研究室;
- 论文关键词：酸化缓蚀剂 ; 季铵盐 ; 双层膜 ; 增效剂
- 英文论文关键词：acidizing corrosion inhibitor ; quaternary ammonium salt ; double layer film ; synergist
- 会议召开时间：2014-07-28
- 会议录名称：第十八届全国缓蚀剂学术讨论会论文集
- 语种：中文
- 分类号：TG174.42
- 学会代码：ZGHA
- 会议名称：第十八届全国缓蚀剂学术讨论及应用技术经验交流会
- 会议地点：中国四川成都
- 主办单位：中国腐蚀与防护学会缓蚀剂专业委员会
- 学会名称：中国腐蚀与防护学会缓蚀剂专业委员会
- 页数：5
- 文件大小：2967k
- 原文格式：O
- 会议级别：全国
摘要
为解决高温酸化缓蚀剂存在缓蚀率低、易结焦、溶解性不好的问题,在以4-甲基吡啶、氯化苄为原料合成吡啶季铵盐的基础上,通过增效剂、增溶剂筛选,得到一种复配型高温酸化缓蚀剂,该缓蚀剂在酸液中分散性好、性能稳定。失重法结果表明,在60~180℃,20%的盐酸中缓蚀剂对N80碳钢有较好的缓蚀效果,缓蚀能力高于SY/T5405-1996标准中一级品的指标要求;电化学试验结果表明,该高温酸化缓蚀剂是阳极型缓蚀剂,主要抑制了N80碳钢的阳极反应过程;表面分析结果表明,缓蚀剂能在碳钢基体表面形成内层金属氧化物膜和外层缓蚀剂吸附膜双层膜结构,能对钢片基体起到多重保护效果。
The inhibition effects of pyridines quaternary ammonium salt and corrosion synergistic agent base on N80 steel corrosion in 20%HCl was investigated by electrochemical techniques and immersion test.The immersion results showed that the inhibitor had high inhibition efficiency from 60℃ to 180℃ in acid solution.The electrochemical results showed that the inhibitor was an anodic corrosion inhibitor.The surface in the inhibitor containing acid solution was found to be covered by a double inhibitor film composed of metal-oxide film and corrosion inhibitor adsorption film.It was believed that the formation of this surface double film was responsible for the high inhibition efficiency.
The inhibition effects of pyridines quaternary ammonium salt and corrosion synergistic agent base on N80 steel corrosion in 20%HCl was investigated by electrochemical techniques and immersion test.The immersion results showed that the inhibitor had high inhibition efficiency from 60℃ to 180℃ in acid solution.The electrochemical results showed that the inhibitor was an anodic corrosion inhibitor.The surface in the inhibitor containing acid solution was found to be covered by a double inhibitor film composed of metal-oxide film and corrosion inhibitor adsorption film.It was believed that the formation of this surface double film was responsible for the high inhibition efficiency.
引文
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[12]彭雪飞,冯浦涌,王贵.一种曼尼希碱季铵盐缓蚀剂的合成与性能研究[J].腐蚀与防护,2010,31(5):345-348.
[2]张天胜,张浩,高红.缓蚀剂[M].北京:化学工业出版社,2008:316-339.
[3]何雁,黄志宇,冯英.一种高温酸化缓蚀剂的合成及其性能研究[J].西南石油学院院报,2001,23(5):61-63.
[4]王勤娜.高浓度盐酸缓蚀剂研究[J].石油化工腐蚀与防护,1999,16(3):43-54.
[5]王萤沙,邓浩.油井酸化缓蚀剂述评[J].油气田环境保护,1994,4(1):55-58.
[6]郑家燊.油井酸化缓蚀剂的研究及其应用概况[J].腐蚀与防护,1997,18(3):132-13.
[7]杨永飞,赵修太,邱广敏.国内酸化缓蚀剂的现状[J].石油化工腐蚀与防护,2007,24(5):6-9.
[8]刘瑜珩,刘树文.LX-1高温酸化缓蚀剂的研究[J],山东化工,2010,39(1):17-21.
[9]陈振宇编著,缓蚀剂开发与应用[M],北京:化学工业出版社,2002:11-16
[10]中华人民共和国石油天然气行业标准SY/T 5405-1996.酸化用缓蚀剂性能试验方法及评价指标[S].
[11]郑家燊,丁诗健,叶康民.高温浓盐酸缓蚀剂-“7801”的研究[J].中国腐蚀与防护学报,1982,2(4):53-60.
[12]彭雪飞,冯浦涌,王贵.一种曼尼希碱季铵盐缓蚀剂的合成与性能研究[J].腐蚀与防护,2010,31(5):345-348.