Interactions between stainless steels and sulphur anions in liquor mixtures typical of kraft pulp digesting

Jaakko Rämö, Mika Sillanpää, Aila Kujala, Outi Hyökyvirta, Seppo Peltonen

    Research output: Contribution to journalArticleScientificpeer-review

    9 Citations (Scopus)

    Abstract

    Interactions of certain stainless steels (UNS S30400, S31603 S32205, S32304, hard chromium plated S31603 as well as hard chromium plated S32205) and sulphur anions in concentrations typical of kraft liquors were investigated using wave length dispersive X‐ray fluorescence (WDXRF) and contact electric resistance (CER) techniques. Ion chromatoghraphy (IC), ion selective electrodes (ISE) and ABC titration were applied in the determining the behaviour of the sulphur anions. Hydroxide content was found to correlate linearly with the adhesion of sulphur onto steel. Impact of sulphide was evident, but nonlinear. Effect of other anions and temperature was less significant. The adhesion increased in the following order: S32304, S32205, S30400 and S31603. Film forming on S30400 possessed highest resistance properties. Hard chromium plated steels appeared to be chemically inert. For the solution, real/analysed concentrations of sulphide was less than the weighted concentrations. Thiosulphate had a tendency to convert into sulphite.
    Original languageEnglish
    Pages (from-to)741-747
    Number of pages7
    JournalMaterials and Corrosion
    Volume52
    Issue number10
    DOIs
    Publication statusPublished - 2001
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Kraft pulp
    Stainless Steel
    Chromium
    Sulfur
    Anions
    chromium
    anion
    Negative ions
    Stainless steel
    steel
    Steel
    sulfur
    Sulfides
    adhesion
    Adhesion
    sulfide
    Electric contacts
    Ion selective electrodes
    Thiosulfates
    Sulfites

    Cite this

    Rämö, Jaakko ; Sillanpää, Mika ; Kujala, Aila ; Hyökyvirta, Outi ; Peltonen, Seppo. / Interactions between stainless steels and sulphur anions in liquor mixtures typical of kraft pulp digesting. In: Materials and Corrosion. 2001 ; Vol. 52, No. 10. pp. 741-747.
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    abstract = "Interactions of certain stainless steels (UNS S30400, S31603 S32205, S32304, hard chromium plated S31603 as well as hard chromium plated S32205) and sulphur anions in concentrations typical of kraft liquors were investigated using wave length dispersive X‐ray fluorescence (WDXRF) and contact electric resistance (CER) techniques. Ion chromatoghraphy (IC), ion selective electrodes (ISE) and ABC titration were applied in the determining the behaviour of the sulphur anions. Hydroxide content was found to correlate linearly with the adhesion of sulphur onto steel. Impact of sulphide was evident, but nonlinear. Effect of other anions and temperature was less significant. The adhesion increased in the following order: S32304, S32205, S30400 and S31603. Film forming on S30400 possessed highest resistance properties. Hard chromium plated steels appeared to be chemically inert. For the solution, real/analysed concentrations of sulphide was less than the weighted concentrations. Thiosulphate had a tendency to convert into sulphite.",
    author = "Jaakko R{\"a}m{\"o} and Mika Sillanp{\"a}{\"a} and Aila Kujala and Outi Hy{\"o}kyvirta and Seppo Peltonen",
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    language = "English",
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    Interactions between stainless steels and sulphur anions in liquor mixtures typical of kraft pulp digesting. / Rämö, Jaakko; Sillanpää, Mika; Kujala, Aila; Hyökyvirta, Outi; Peltonen, Seppo.

    In: Materials and Corrosion, Vol. 52, No. 10, 2001, p. 741-747.

    Research output: Contribution to journalArticleScientificpeer-review

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    T1 - Interactions between stainless steels and sulphur anions in liquor mixtures typical of kraft pulp digesting

    AU - Rämö, Jaakko

    AU - Sillanpää, Mika

    AU - Kujala, Aila

    AU - Hyökyvirta, Outi

    AU - Peltonen, Seppo

    PY - 2001

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    N2 - Interactions of certain stainless steels (UNS S30400, S31603 S32205, S32304, hard chromium plated S31603 as well as hard chromium plated S32205) and sulphur anions in concentrations typical of kraft liquors were investigated using wave length dispersive X‐ray fluorescence (WDXRF) and contact electric resistance (CER) techniques. Ion chromatoghraphy (IC), ion selective electrodes (ISE) and ABC titration were applied in the determining the behaviour of the sulphur anions. Hydroxide content was found to correlate linearly with the adhesion of sulphur onto steel. Impact of sulphide was evident, but nonlinear. Effect of other anions and temperature was less significant. The adhesion increased in the following order: S32304, S32205, S30400 and S31603. Film forming on S30400 possessed highest resistance properties. Hard chromium plated steels appeared to be chemically inert. For the solution, real/analysed concentrations of sulphide was less than the weighted concentrations. Thiosulphate had a tendency to convert into sulphite.

    AB - Interactions of certain stainless steels (UNS S30400, S31603 S32205, S32304, hard chromium plated S31603 as well as hard chromium plated S32205) and sulphur anions in concentrations typical of kraft liquors were investigated using wave length dispersive X‐ray fluorescence (WDXRF) and contact electric resistance (CER) techniques. Ion chromatoghraphy (IC), ion selective electrodes (ISE) and ABC titration were applied in the determining the behaviour of the sulphur anions. Hydroxide content was found to correlate linearly with the adhesion of sulphur onto steel. Impact of sulphide was evident, but nonlinear. Effect of other anions and temperature was less significant. The adhesion increased in the following order: S32304, S32205, S30400 and S31603. Film forming on S30400 possessed highest resistance properties. Hard chromium plated steels appeared to be chemically inert. For the solution, real/analysed concentrations of sulphide was less than the weighted concentrations. Thiosulphate had a tendency to convert into sulphite.

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    M3 - Article

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