发明名称 FLERSTEGSFORFARANDE FOR KLORFATTIG HELBLEKNING AV CELLULOSAMASSA
摘要 The present invention provides in a multistage process for fully bleaching a pulp, the improvement in which in the first stage of said bleaching process, the pulp is hydrolyzed with a strongly alkaline aqueous peroxide solution whereby a minimum of chlorine may be used in said process.
申请公布号 SE415674(B) 申请公布日期 1980.10.20
申请号 SE19740007273 申请日期 1974.05.31
申请人 * DEGUSSA AG 发明人 H * KRUGER;H * SCHROTER;W * TRASER;H * PFAND;H * RATH
分类号 D21C9/10;(IPC1-7):21C9/16 主分类号 D21C9/10
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