Optimization of Operating Condition for Dissolving Kraft Pulp

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  • Kojima Takehiro
    Kushiro Mill Production & Plant Engineering Dept., Nippon Paper Industries Co., Ltd.

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Other Title
  • DKP操業条件の確立
  • DKP ソウギョウ ジョウケン ノ カクリツ

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Abstract

Rayon attracts growing attention due to demand growth in south eastern Asia and in China recently. Rayon is made from cotton linter and dissolving pulp. While supply of cotton linter is greatly affected by climate, dissolving pulp process can provide stable supply. Demand of dissolving pulp is expected to be stable in the future. Dissolving pulp has been produced by Sulfite process. Since there was a limitation on wood species for Sulfite process, new technology was developed to produce dissolving pulp by continuous Kraft process.<BR>Decision was made to produce the world first SW dissolving Kraft pulp utilizing continuous Kraft process. Construction was completed in October 2012 then commercial production commenced in March 2013.<BR>This report shows Optimization of operating condition for dissolving Kraft pulp.

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 68 (8), 871-875, 2014

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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