The corrosive interaction of wet elemental sulfur with construction materials is reviewed emphasizing effects of alloy composition (carbon steels, ferritic steels, austenitic steels, ferritic-austenitic (duplex) steels, Ni- and Co-base alloys, titanium and its alloys), medium composition (salts, partial pressures of H2S and CO2, acetic acid), and environmental conditions (temperature 20-250 Cel, stress). A summary of relevant physical and chemical properties of elemental sulfur is given to provide the fundamental basis for the understanding of sulfur corrosion. The different corrosion mechanisms found in the literature are critically discussed. Considering all data available a mechanism is proposed explaining the electrochemical role of sulfur in the (physically) dissolved, solid, and liquid state. Methods for corrosion protection are outlined for carbon steels and corrosion resistent alloys (CRA).


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    Titel :

    Present day knowledge of the effect of elemental sulfur on corrosion in sour gas systems


    Weitere Titelangaben:

    Stand des Wissens zum Einfluß des elementaren Schwefels auf die Korrosion in sauren Gassystemen


    Beteiligte:
    Schmitt, G. (Autor:in)


    Erscheinungsdatum :

    1990


    Format / Umfang :

    60 Seiten, 37 Bilder, 9 Tabellen, 104 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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