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首页> 外文期刊>Journal of Corrosion Science and Engineering >(v15preprint9)Corrosion Inhibition of Medium Carbon Steel in Sea Water by Water Hyacinth (eichhornia crassipes) Leaves Extract
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(v15preprint9)Corrosion Inhibition of Medium Carbon Steel in Sea Water by Water Hyacinth (eichhornia crassipes) Leaves Extract

机译：（v15preprint9）水葫芦（Eichhornia crassipes）叶提取物海水中碳钢的腐蚀抑制

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摘要

Corrosion is the engineer's greatest enemy as water hyacinths are also weeds which grow on the surfaces of water bodies posing dangerous threats to aquatic lives and water transportation. Since both corrosion and water hyacinth are threat to the environment this paper sought to use one environmental menace (water hyacinth leaves extract) as an inhibitor to curb corrosion; another environmental menace. Samples of carbon steel were subjected to sea - water environment with the inhibitor at varied concentrations for an exposure period of forty - five days. Corrosion was examined using weight loss and electrode potentials techniques. The result showed that as the concentration of the inhibitor increased, the severity of corrosion reduced on the carbon steel. The pH of the sea - water which initially was neutral was observed to slowly progress to alkaline after five days, contributing to the reduced corrosion rates of the samples as the exposure period increased. It was observed that the steel sample inhibited with 20ml of 20g of the inhibitor gave the highest inhibition efficiency of 98.68 % in during the exposure period. It was concluded that water hyacinth leaves extract effectively inhibit corrosion of medium carbon steel in marine environment.
机译：腐蚀是工程师最伟大的敌人，因为水葫芦也是杂草，它在水上造成危险威胁到水生生命和水运输的危险威胁。由于腐蚀和水葫芦都是对环境的威胁，本文寻求使​​用一种环境威胁（水葫芦叶提取物）作为抑制腐蚀的抑制剂;另一个环境威胁。碳钢样品与抑制剂以各种浓度的抑制剂进行海水环境，以进行45天的暴露。使用减肥和电极电位技术检查腐蚀。结果表明，随着抑制剂的浓度增加，腐蚀的严重程度降低了碳钢。观察到最初中性的海水的pH值以在五天后缓慢进展到碱性，导致样品的腐蚀速率降低，因为暴露期增加。观察到，抑制20ml 20g抑制剂的钢样品在暴露期间抑制效率为98.68％。结论是，水葫芦叶提取物有效抑制海洋环境中碳钢的腐蚀。

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