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首页> 外文期刊>Corrosion Engineering, Science and Technology >Effect of H{sub}2S on corrosion in polluted waters: a review
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Effect of H{sub}2S on corrosion in polluted waters: a review

机译：H {sub} 2S对污水中腐蚀的影响：综述

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摘要

The present article provides an overview of the effect of hydrogen sulphide (H{sub}2S) on corrosion in polluted waters, including sea, river, brackish, geothermal and sewage waters. H{sub}2S is a weak, reducing acid which originates from sulphide minerals by natural acidification and/or from sulphur -bearing, decaying organic matter by bacterial action. Human and industrial activities increase the generation of corrosive gases, dissolved in water: CO{sub}2, H{sub}2S and NH{sub}3. Carbon steel, stainless steel, aluminium alloys and copper base alloys are corroded by H{sub}2S, producing metallic, non-stable sulphide films. The H{sub}2S content in various waters, the electrode potential pH (Pourbaix) diagrams for Fe and Cu in H{sub}2S containing systems, and the electrochemical and corrosion performance of steel in oxygen depleted, H{sub}2S polluted waters, which indicate active corrosion behaviour, are presented and discussed.
机译：本文概述了硫化氢（H {sub} 2S）对包括海水，河流，微咸水，地热和污水在内的污水中腐蚀的影响。 H {sub} 2S是一种弱的还原性酸，其通过自然酸化作用源自硫化物矿物和/或通过细菌作用源自含硫的腐烂有机物。人类和工业活动增加了溶解在水中的腐蚀性气体的产生：CO {sub} 2，H {sub} 2S和NH {sub} 3。碳钢，不锈钢，铝合金和铜基合金会被H {sub} 2S腐蚀，从而生成金属的，不稳定的硫化物膜。各种水中H {sub} 2S的含量，含H {sub} 2S的系统中Fe和Cu的电极电势pH（Pourbaix）图以及贫氧，H {sub} 2S污染的钢的电化学和腐蚀性能提出并讨论了表明活性腐蚀行为的水。

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