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摘要: |
采用多种电化学方法研究了碳钢在pH值氯化钠溶液中的腐蚀过程和渗氢量之间的关系,H2S浓度以及温度对这个过程的影响。实验表明,在PH值等于2的条件下,当H2S含量为5 ̄50ppM的浓度范围内,存在着明显的加速腐蚀和渗氯过程的浓度敏感区,腐蚀速度和渗氢量之间存在良好的正比关系,并建立起在低PH值条件下H2S加速碳钢腐蚀和渗氢过程的模型以及等效电路。 |
关键词: 石油设备 氢扩散 渗氢 硫化氢 腐蚀 PH值 碳钢 |
DOI: |
分类号:TE980.43 |
基金项目: |
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Effect of Small Amount of H_2S on the Corrosion and Hydrogen Diffusion Process of Carbon Steel at Low pH |
Liu Liewei Zhang Ying et al.
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Abstract: |
In this paper, the relation between corrosion and the amount of hydrogen diffusion of carbon steel is studied by electric chemistry in NaCl solution connining H2S with low pH, and the effect of concentration of H2S and temperature on the conosion process |
Key words: H2S corrosion, hydrogen diffusion |