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This paper describes the property of the coarse rejects and the problems causing in its recooking or refining in the pulp mill. 简要描述了木浆厂筛渣的特征和回煮、再磨利用方式存在的问题;介绍了挤压法处理筛渣的主体设备工作原理、生产流程和经济效益。