发明名称 FORFARANDE FOR LIGNINAVLEGSNANDE FRAN OCH BLEKNING AV TREMASSA
摘要 An process for increasing the yields of wood pulp and improving the viscosity of the pulp during oxygen-alkali delignification is provided whereby, in a wood pulp at a consistency of about 1-10%, there are present, in the pulp to be delignified, small amounts of ammonia or a compound which releases ammonia under the alkaline conditions of the process.
申请公布号 SE436584(B) 申请公布日期 1985.01.07
申请号 SE19760001934 申请日期 1976.02.19
申请人 INTERNATIONAL PAPER COMPANY 发明人 K J * BROWN;A W * KEMPF
分类号 D21C3/00;D21C9/10;D21C9/147;(IPC1-7):D21C9/10;D21C3/02 主分类号 D21C3/00
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