X70钢在含SO2弱酸性溶液中的防腐研究

X70钢在含SO2弱酸性溶液中的防腐研究

郭红^1,2,何晓英²

1. 山东理工大学实验设备处分析测试中心，山东淄博255049； 2．西华师范大学化学化工学院, 四川南充637002

收稿日期:2005-10-29 修回日期:1900-01-01 出版日期:2006-10-24 发布日期:2006-10-24
通讯作者: 郭红

GUO Hong^1,2,HE Xiao-ying²

1. Analysis ＆ Testing Center, Shandong University of Technology, Zibo 255049， Shandong, China;2. Department of Chemistry, China West Normal Univ., Nanchong 637002， Sichuan, China)

Received:2005-10-29 Revised:1900-01-01 Online:2006-10-24 Published:2006-10-24
Contact: GUO Hong

摘要/Abstract

摘要： 用静态失重法结合扫描电镜研究了以Zn为牺牲阳极的阴极保护法对X70钢在含SO2弱酸性溶液中的防腐作用，以及 6甲基2巯基4羟基嘧啶(HMMP)对X70钢在上述体系中的缓蚀作用.结果表明：以Zn作为牺牲阳极对含SO2酸性溶液中的X70钢具有理想的防腐效果；在不同温度下，HMMP均对X70钢有明显的缓蚀作用，最佳缓蚀质量浓度为50?mg•L-1.

关键词: X70钢, SO2, 6甲基2巯基4羟基嘧啶 , 防腐

Abstract: Effectiveness of cathodic protection with Zn as sacrifice anode on X70 steel in weak acidic SO2 solution was studied by means of static weight loss method and scanning electron microscope. In addition, inhibitive effect of 4hydroxy2mercapto6methylprimidine (HMMP) on the corrosion of X70 steel in the above system was also investigated. The corrosion protection effectiveness of Zn as sacrifice anode on X70 steel in weak acidic SO2 solution is satisfactory. HMMP concentration has obvious influence on its inhibitive action to X70 steel at different temperatures.The optimize inhibitor mass concentration is 50?mg•L-1.

Key words: HMMP , antisepsis, SO2, X70 steel

郭红,何晓英 . X70钢在含SO2弱酸性溶液中的防腐研究[J]. J4, 2006, 41(5): 144-147 .

GUO Hong,HE Xiao-ying . [J]. J4, 2006, 41(5): 144-147 .

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