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< Natural Gas and Oil > Editorial Department
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Du Tonglin
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Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position :Home->Past Journals Catalog->2011 Vol.4

    Present Corrosion Situation and Corrosion Control Measures of Desulfurization and Decarbonization Unit in Jingbian Gas Field
    Author of the article:
    Author's Workplace:
    Key Words:Current corrosion situation;Protective measure
    Abstract:Natural gas from Jingbian Gas Field has high CO2 and H2S content and several sets of desulfurization and decarbonization units are installed in gas purification plant for gas treatment in order to ensure that export product gas meets relative quality requirements. CO2 and H2S in natural gas result in serious corrosion in the desulfurization and decarbonization units,and unscheduled examination and repair and replacement of the corroded components affect normal production seriously. Analyzed fully are various causes which result in serious corrosion in the desulfurization and decarbonization units and it is considered that high CO2 content in solution,unreasonable tray type and structure and not proper regeneration tower body material are the main causes which result in so serious corrosion. Conducted were proper reconstructions to the units according to the analysis results,changed was solution carrier in the units and used was a new tray type to replace the former one,optimized was tray structure and reselected was material of regeneration tower body. In?鄄site operation situation of the units in nearly a year shows that acid gas load is reduced and corrosion in the units is relieved greatly.
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