High-temperature inhibitor of steel corrosion in sulfuric acid solutions

被引：10
|
作者：
Avdeev, Ya. G. [1 ]
Belinskii, P. A. [2 ]
Kuznetsov, Yu. I. [1 ]
Zel, O. O. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow, Russia
[2] Tsiolkovskii State Pedag Univ, Kaluga, Russia
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2010年 / 46卷 / 07期
关键词：
acid corrosion; corrosion inhibitors; acid etching of steel; high-temperature inhibitors;
D O I：
10.1134/S2070205110070087
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A new high-temperature (up to 140A degrees C) inhibitor of steel corrosion in sulfuric acid, IFKhAN-92, that yields Z = 99% at a content of at least 1 wt % was developed. To enhance the protective effect of IFKhAN-92 at an elevated temperature, KI additions may be used. IFKhAN-92 was shown to be effective in hindering electrode reactions on steel. The high efficiency of this catalyst in H(2)SO(4) solutions is most likely conditioned by the specific adsorption of IFKhAN-92 molecules on a metal surface.
引用
收藏
页码：782 / 787
页数：6
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