Synthesis and Inhibition of a New Modified Amine Phosphate Water Soluble Inhibitor
摘 要
以妥尔油酸、异佛尔酮二胺、五氧化二磷为原料,改性合成一种胺基磷酸酯类缓蚀剂。通过动态挂片法、电化学方法及腐蚀形貌分析等评价了该缓蚀剂在H2S/CO2环境中对A106钢的缓蚀效果。结果表明:该缓蚀剂为阳极型缓蚀剂,随着缓蚀剂浓度的增加,其对A106钢的缓蚀率增加,当缓蚀剂质量浓度为200 mg/L时,缓蚀率可达97.07%。缓蚀剂在碳钢表面的吸附服从Langmuir等温吸附模型。
Abstract
An amine-based phosphate inhibitor was modified by tall oil acid, isophorone diamine and phosphorus pentoxide. The corrosion inhibition effect of the corrosion inhibitor on A106 steel in H2S/CO2 environment was evaluated by dynamic hanging method, electrochemical method and corrosion morphology analysis. The results show that the corrosion inhibitor was an anodic corrosion inhibitor. As the concentration of corrosion inhibitor increased, the corrosion inhibition rate to A106 steel increased. When the corrosion inhibitor concentration was 200 mg/L, the corrosion inhibition rate reached 97.07%. The adsorption of the corrosion inhibitor on the surface of carbon steel obeyed Langmuir isotherm adsorption model.
中图分类号 TG174 DOI 10.11973/fsyfh-201909007
所属栏目 试验研究
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收稿日期 2018/2/23
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引用该论文: LI Lingjie,ZHANG Yanjun,YANG Yaohui,ZHANG Honglei,WANG Zhitao. Synthesis and Inhibition of a New Modified Amine Phosphate Water Soluble Inhibitor[J]. Corrosion & Protection, 2019, 40(9): 663
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参考文献
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【8】李玲杰,韩文礼,杨耀辉,等.GC-203高温酸化缓蚀剂的合成及缓蚀机理研究.腐蚀与防护,2014,35(增1):163-167.
【9】李玲杰,杨耀辉,张彦军,等.缓蚀剂类型和含水率对碳钢在H2S/CO2环境中腐蚀行为的影响.腐蚀与防护,2017,38(10):795-799.
【10】杜海燕,路民旭,吴荫顺,等.脂肪酰胺类缓蚀剂对X65钢抗CO2腐蚀的机理研究.金属学报,2006,42(5):533-536.
【2】雷良才,肖恺,沈愚,等.咪唑啉缓蚀剂的合成与缓蚀性能研究.腐蚀与防护,2001,22(10):420-423.
【3】郭睿,张春生,包亮,等.新型咪唑啉缓蚀剂的合成与应用.应用化学,2008,25(4):494-498.
【4】罗喆媛,俞敦义,屈人伟.改性咪唑啉缓蚀剂在H2S-3%NaCl-H2O体系中缓蚀性能的研究.腐蚀与防护,2000,21(8):345-346.
【5】邢静.合成咪唑啉缓蚀剂在油田水中的模拟试验.腐蚀与防护,2009,30(5):322-324.
【6】梁明华,苗健.一种咪唑啉缓蚀剂对油田用P110钢CO2腐蚀的缓蚀行为.腐蚀与防护,2013,34(5):395-398.
【7】张军,李中谱,赵卫民,等.咪唑啉缓蚀剂缓蚀性能的理论研究.石油学报(石油加工),2008,24(5):598-604.
【8】李玲杰,韩文礼,杨耀辉,等.GC-203高温酸化缓蚀剂的合成及缓蚀机理研究.腐蚀与防护,2014,35(增1):163-167.
【9】李玲杰,杨耀辉,张彦军,等.缓蚀剂类型和含水率对碳钢在H2S/CO2环境中腐蚀行为的影响.腐蚀与防护,2017,38(10):795-799.
【10】杜海燕,路民旭,吴荫顺,等.脂肪酰胺类缓蚀剂对X65钢抗CO2腐蚀的机理研究.金属学报,2006,42(5):533-536.
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