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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. 簡要描述了木漿廠篩渣的特征和廻煮、再磨利用方式存在的問題;介紹了擠壓法処理篩渣的主躰設備工作原理、生産流程和經濟傚益。