MDOPD双季铵盐抑制SRB腐蚀的研究
Study on Inhibition of SRB Corrosion by Double Quaternary Ammonium Salt MDOPD
DOI: 10.12677/MS.2022.123017, PDF,   
作者: 黄金营*, 黄翰弈：武汉翰弈石油科技有限公司，湖北 武汉；罗洪秦：湖北大学材料学院，湖北 武汉
关键词: 硫酸盐还原菌；双季铵盐；吸附；代谢；抑制腐蚀；Sulfate Reducing Bacteria； Double Quaternary Ammonium Salt； Adsorption； Metabolism； Corrosion Inhibition
摘要: 利用动电位扫描极化曲线、原子力显微镜和电子探针等方法研究了在硫酸盐还原菌SRB的培养基介质中，双季铵盐化合物MDOPD对碳钢SRB腐蚀行为的影响。结果表明：含菌介质中MDOPD具有杀灭SRB的作用，MDOPD可在Q235钢电极表面吸附形成有机缓蚀保护膜，除自身抑制介质的腐蚀外，还可阻碍SRB的代谢产物及腐蚀产物在电极表面吸附和沉积，从而降低了SRB生长代谢产物的次生腐蚀促进作用。MDOPD双季铵盐是一种性能优良的SRB腐蚀抑制剂。
Abstract: The effect of double quaternary ammonium compound MDOPD on the SRB (sulfate reducing bacteria) corrosion behavior of carbon steel in the culture medium was studied by potentiodynamic scanning polarization curve, atomic force microscope and electron probe microanalysis. The results show that MDOPD in bacteria containing medium can kill SRB. MDOPD can adsorb on the surface of Q235 steel electrode to form an organic corrosion inhibition protective film. In addition to inhibiting the corrosion of medium, it can also hinder the metabolites and corrosion products to adsorb and deposit on the electrode surface, thus reducing the secondary corrosion promotion effect of SRB growth metabolites. Double quaternary ammonium salt MDOPD is an excellent SRB corrosion inhibitor.
文章引用：黄金营, 黄翰弈, 罗洪秦. MDOPD双季铵盐抑制SRB腐蚀的研究[J]. 材料科学, 2022, 12(3): 169-175. https://doi.org/10.12677/MS.2022.123017

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