石油化工高等学校学报

石油化工高等学校学报 ›› 2014, Vol. 27 ›› Issue (5): 62-68.DOI: 10.3969/j.issn.1006-396X.2014.05.014

• 石油工程 • 上一篇    下一篇

二乙基二硫代氨基甲酸钠与复配缓蚀剂对A 1 0 6 B碳钢缓蚀性影响

  

  1. ( 1. 北京石油化工学院化学工程学院, 北京1 0 2 6 1 7; 2. 北京化工大学化学工程学院, 北京1 0 0 0 2 9;
    3. 铁岭选矿药剂有限公司, 辽宁铁岭1 1 2 0 0 2)
  • 收稿日期:2014-04-15 修回日期:2014-05-05 出版日期:2014-10-25 发布日期:2014-12-19
  • 作者简介:任晓光( 1 9 5 6 - ) , 女, 博士, 教授, 从事腐蚀防护研究; E - m a i l : r e n x i a o g u a n g@b i p t . e d u. c n。
  • 基金资助:
    国家自然科学基金项目( 2 0 6 7 6 0 1 7) 。

Inhibition Effect of Sodium Diethyl Dithiocarbamate with Complex on A106B Steel

  1. (1.School of Chemical Engineering, Beijing Insititute of Petrochemical Technology, Beijing 102617, China; 2.College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029,China; 3. Tieling Flotation Reagents Co., Ltd., Tieling Liaoning 112002, China)
  • Received:2014-04-15 Revised:2014-05-05 Published:2014-10-25 Online:2014-12-19

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摘要： 采用表面张力测定法、 腐蚀速率快速评定仪法、 极化曲线法和交流阻抗曲线法, 研究了在高氯离子的 水溶液和减三油经催化裂化后的产品油溶液形成的混合液中二乙基二硫代氨基甲酸钠对 A 1 0 6 B钢的缓蚀行为, 并 采用扫描电镜法分析缓蚀前后碳钢表面形貌。结果表明, 在油水混合液中S D DT C在质量浓度为0. 7 5g / L时具有最 佳缓蚀效果, 缓蚀效率大于8 5%; 与不同质量浓度丙炔醇复配后均比单独使用S D DT C效果更好, 丙炔醇质量浓度为 0. 2g / L时效果最佳, 缓蚀效率大于9 5%。

关键词: 二乙基二硫代氨基甲酸钠,    ,  丙炔醇,    ,  缓蚀性能,     ,  , 表面张力,   ,  , 协同作用

Abstract: The effect of inhibitors on A106B steel in the mixture of high chloride solution and oil product solution after catalytic cracking was studied by surface tension, corrosion rate assessment instrument, polarization curves and EIS. The surface morphology of carbon steel was analyzed by SEM. The experiments showed that in the solution of oilwater mixture, SDDTC with concentration of 0.75 g/L had the best inhibiton effect, which inhibition efficiency reached 85%. However, synergy with different concentations of propargyl alcohol has a better effect than using SDDTC alone. When propargyl alcohol concentration was 0.2 g/L, the inhibition efficiency was more than 95%.

Key words: Diethyl dithiocarbamate,    , Propynol,     ,  Corrosion performance,    ,  Surface tension,    ,  Synergy

引用本文

任晓光, 侯 伟, 赵映璐. 二乙基二硫代氨基甲酸钠与复配缓蚀剂对A 1 0 6 B碳钢缓蚀性影响[J]. 石油化工高等学校学报, 2014, 27(5): 62-68.

Ren Xiaoguang,Hou Wei,Zhao Yinglu,et al. Inhibition Effect of Sodium Diethyl Dithiocarbamate with Complex on A106B Steel[J]. Journal of Petrochemical Universities, 2014, 27(5): 62-68.

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