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電化學(xué)噪聲研究碳鋼在高溫環(huán)烷酸中的腐蝕行為

發(fā)布時(shí)間:2018-05-10 08:45

  本文選題:環(huán)烷酸腐蝕 + 酸值 ; 參考:《應(yīng)用化工》2017年02期


【摘要】:以南帕斯凝析油混煉減二線油品為研究對象,通過添加一定比例環(huán)烷酸,考察酸值對20#碳鋼在高溫油品中的腐蝕影響;采用電化學(xué)噪聲(EN)分析不同溫度下碳鋼在高溫環(huán)烷酸中腐蝕狀況。結(jié)果表明,20#碳鋼受高溫環(huán)烷酸的腐蝕速率隨溫度的升高呈現(xiàn)出先增大后減小的規(guī)律;隨酸值的增大,碳鋼的腐蝕速率一直增大。在環(huán)烷酸的酸值為10 mg KOH/g,流速為1 m/s時(shí),碳鋼在280℃時(shí)腐蝕速率最高。
[Abstract]:The effect of acid value on the corrosion of 20 # carbon steel in high temperature oil products was investigated by adding a certain proportion of naphthenic acid. The corrosion of carbon steel in high temperature naphthenic acid at different temperatures was analyzed by electrochemical noise en. The results show that the corrosion rate of 20 # carbon steel increases first and then decreases with the increase of temperature, and the corrosion rate of carbon steel increases with the increase of acid value. When the acid value of naphthenic acid is 10 mg / g and the flow rate is 1 m / s, the corrosion rate of carbon steel is the highest at 280 鈩,

本文編號:1868631

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