步骤包括木浆板分页、碱浸渍、压榨、疏 解分散、蒸煮、洗涤、除杂、漂白、二次洗涤、抄粕；
The invention comprises the following steps: wood pulp plate paging, alkali soaking, pressing, untwining and dispersion, cooking, washing, impurity removal, bleaching, a secondary washing and pulping;
研究内容包括：二次纤维活性的恢复、胶粘物的有效去除以及高硬度二次纤维纸浆的漂白。
The research content included the renewal of secondary fiber's activity, the effective removal of gluey materials and the bleaching of high-kappa number pulp made of secondary fiber.
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