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研究了含有膦酰基、羧基的季铵盐缓蚀杀菌剂 PS- 12对 45 #钢在模拟循环冷却水中的缓蚀性能及杀菌性能。失重法和极化曲线测试结果说明 :PS- 12对 45 #碳钢具有良好的缓蚀作用 ,属混合型缓蚀剂。杀菌结果说明PS- 12对异氧菌和硫酸盐还原菌有良好的杀菌性能
The corrosion inhibition and disinfectant performance of 45 # steel in simulated circulating cooling water were studied with quaternary ammonium salt corrosion inhibitor PS-12 containing phosphonato and carboxyl groups. Weight loss method and polarization curve test results show that: PS-12 45 # carbon steel has a good corrosion inhibition, is a mixed inhibitor. Bactericidal results indicate that PS-12 has good bactericidal activity against isolates and sulphate reducing bacteria