发明名称 Process for manufacturing bleached chemithermomechanical pulps.
摘要 Process for manufacturing bleached CTMP pulps comprising a treatment of the lignocellulosic stock with sulphite at a temperature of at least 100 DEG C under saturated steam pressure, and a bleaching operation with the aid of H2O2 in alkaline medium without removal of solid or liquid matter from the pulp from the start of the treatment until the end of the bleaching.
申请公布号 EP0351330(A1) 申请公布日期 1990.01.17
申请号 EP19890420245 申请日期 1989.07.06
申请人 ELF ATOCHEM S.A. 发明人 DEVIC, MICHEL
分类号 D21B1/14;D21C3/04;D21C3/06;D21C3/22;D21C9/16 主分类号 D21B1/14
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