发明名称 FOERFARANDE OCH ANORDNING FOER SORTERING AV MASSA
摘要 A method for the screening of defibred pulp bleached in several steps. In the method, the pulp coming from an acidic bleaching step (2) is screened (3, 4, 5, 6) at the same time as it is treated with an alkali. In this way, no separate alkali stage is needed.
申请公布号 SE460485(B) 申请公布日期 1989.10.16
申请号 SE19880003553 申请日期 1988.10.06
申请人 SUNDS DEFIBRATOR RAUMA OY 发明人 J *LUNTAMO
分类号 D21C9/10;D21C9/14;D21D5/02 主分类号 D21C9/10
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