Influence of composition on the formation of melt near the floor tubing of kraft recovery boilers

R Backman, Mikko Hupa, Berndt Södergård, M Pulliainen, C Svensson

    Forskningsoutput: Kapitel i bok/konferenshandlingKonferensbidragVetenskapligPeer review

    Sammanfattning

    Smelt bed samples from kraft recovery boilers were taken and chem. anal. was made at different depths in the smelt bed.  Lab. measurements with synthetic salt mixts. were done as well as measurements of elec. cond. of Li2CO3 and Na2CO3 melting salt mixts.  The results show that sulfur, chlorine and potassium can enrich in the lowest layer of the smelt bed.  The change in compn. can lead to formation of molten phase at temps. near floor tube metal temps.  Already a small amt. of melt causes the elec. cond. to increase with several orders of magnitude.  Theor. calcns. support the exptl. findings.
    OriginalspråkOdefinierat/okänt
    Titel på gästpublikation10th International Symposium on Corrosion in the Pulp and Paper Industry
    RedaktörerT Hakkarainen
    FörlagVTT
    Sidor57–72
    ISBN (tryckt)951-38-5724-7
    StatusPublicerad - 2001
    MoE-publikationstypA4 Artikel i en konferenspublikation
    Evenemangconference; 2001-08-21; 2001-08-24 - Marina Congress Center, Helsinki, Finland
    Varaktighet: 21 aug 200124 aug 2001

    Konferens

    Konferensconference; 2001-08-21; 2001-08-24
    Period21/08/0124/08/01

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