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Preparation method of sulfate acacia wood pulp with high bulk and low extract

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  • Title:
    Preparation method of sulfate acacia wood pulp with high bulk and low extract
  • Author: LI SHUMU
  • Subjects: APPARATUS THEREFOR ; METHODS OF PRODUCING PAPER THEREON ; PAPER-MAKING ; PAPER-MAKING MACHINES ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; REGENERATION OF PULPING LIQUORS ; TEXTILES ; TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE
  • Description: The invention provides a sulfate acacia wood pulp with high bulk and low extract, and a preparation method thereof. Cacia mearnsii De Wild. and Acacia crassicarpa Benth. are combined according to a reasonable ratio. The preparation method comprises the following steps: material preparation, soaking, cooking, oxygen bleaching, four-stage bleaching, screening and pulp board making. The method reduces the consumption of DCM extract and chemicals by spraying white rot fungi, and optimizes the four-stage bleaching process, and the prepared paper pulp has the advantages of high bursting strength, high tearing strength, high tensile index, high bulk and extract reduction. 本发明提供一种高松厚度、低抽出物硫酸盐相思木浆及其制备方法，按合理比例调配将黑荆相思木和厚荚相思木结合，制备方法包括以下步骤：备料、浸泡、蒸煮、氧漂、四段漂白、筛选、抄造浆板，其中，通过喷洒白腐菌降低DCM抽提物及化学品消耗，优化四段漂白工艺，所制得的纸浆在高耐破度、高撕裂度和高抗张指数的同时，提高松厚度，减少抽出物。
  • Creation Date: 2020
  • Language: Chinese;English
  • Source: esp@cenet
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