The fate of nitrogen in the chemical recovery process in a kraft pulp mill. Part V: Kinetics of ammonia formation from cyanate in industrial green liquor

Nikolai De Martini, M Forssen, Dmitry Murzin, Mikko Hupa

    Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

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    This paper is the fifth in a series on the nitrogen chemistry in the chemical recovery cycle of kraft pulp in ills. It compares a kinetic expression for the formation of ammonia from cyanate with experimental data for the decomposition of cyanate in kraft pulp mill green liquors from three mills, as well as mill balance data from one of the mills. The kinetic expression accounts for both the uncatalyzed reaction and the reaction catalyzed by bicarbonate. Borate was added to an industrial green liquor to determine whether boron has a catalytic effect in green liquor, and no noticeable effect was observed.
    Sidor (från-till)329–334
    Antal sidor6
    TidskriftJournal of Pulp and Paper Science
    StatusPublicerad - 2004
    MoE-publikationstypA1 Tidskriftsartikel-refererad

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