| 含Fe~(3+)的酸液对钢铁的腐蚀作用及其抑制 |
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| 引用本文： | 夏明珠,陈民生,严莲荷.含Fe~(3+)的酸液对钢铁的腐蚀作用及其抑制[J].清洗世界,1996(4). |
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| 作者姓名： | 夏明珠 陈民生 严莲荷 |
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| 作者单位： | 南京理工大学水处理研究所 南京210094
(夏明珠，陈民生)，南京理工大学水处理研究所 南京210094(严莲荷) |
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| 摘 要： | 钢铁制品的酸浸去除轧制铁鳞以及换热设备酸洗除锈除垢时有Fe~(3+)产生.通过恒电位法和失重法研究了含Fe~(3+)的酸液对钢铁的腐蚀作用及其抑制,结果表明:Fe~(3+)的存在会促进钢铁的腐蚀,一定结构的硫脲衍生物和阴离子表面活性剂之间存在协同效应,能有效地抑制氢离子放电的阴极过程和Fe~(3+)还原的阴极过程,从而抑制金属的腐蚀.
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| 关 键 词： | 硫脲衍生物 阴离子表面活性剂 Fe~(3+) |
The corrosion and inhibition of the acid with ferric ions on steel |
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| Xia Mingzhu Chen Minsheng Yan Lianhe.The corrosion and inhibition of the acid with ferric ions on steel[J].Cleaning World,1996(4). |
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| Authors: | Xia Mingzhu Chen Minsheng Yan Lianhe |
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| Abstract: | In the process of the steel materials pickling to remove heavy iron oxides (mill scale) and heat exchangers pickling to remove rust and scale, it will build up Fe3+, the corrosion and inhibition of the acid with Fe3+on steel were studied by potentiostatic techniques and weight loss method. It is found: Fe3+ increase corrosion of steel in the acid, certainstructual thioureas derivatives and anionic surface-active agents provide synergistic effect and can effectively inhibit both hydrogen evolution and ferric ion corrosion, so that they can inhibit metal's corrosion. |
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| Keywords: | thioureas derivatives anionic surface-active agents ferric ion |
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