Operating Experience of Dissolving Kraft Pulp

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  • Horisaki Yoshifumi
    Kushiro Mill, Nippon Paper Industries Co., Ltd. Maryvale Mill, Australian Paper Pty Ltd.

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Other Title
  • DKPの操業経験
  • DKP ノ ソウギョウ ケイケン

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Description

In recent years, the demand of rayon for clothing and woven is growing based on the background to the remarkable economic development at Asian region, especially China. The raw material of rayon is cotton linter or dissolving pulp. Dissolving pulp supply can be stable because dissolving pulp is industrially produced without climate affects which cotton linter always faces on. So the stable demand of dissolving pulp is expected in the future.<BR>Dissolving pulp has been produced by the Sulfite Pulp method. However, manufacturing techniques to produce dissolving pulp by the Kraft Pulp method with continuous digester has been developed. Kushiro Mill, Nippon Paper Industries Co., LTD., started up the world first continuous cooking process for softwood Dissolving Kraft Pulp（DKP）in 2012, and started commercial production in March, 2013.<BR>This report covers the installation of DKP process and experience of DKP operation.

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 68 (4), 367-370, 2014

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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