发明名称 Process for pulping lignocellulose-containing material
摘要 A process for the pulping of lignocellulose-containing material, wherein the material is contacted with a pulping medium containing at least 75% by weight of a solvent system, which solvent system comprises from 20 to 95% by weight formic acid; from 5 to 80% by weight of at least one member selected from primary alcohols having from 1 to 3 carbon atoms and esters of formic acid with primary alcohols having from 1 to 3 carbon atoms; and up to 70% by weight of at least one component selected from acetic acid and esters of acetic acid with primary alcohols having from 1 to 3 carbon atoms; and allowing the material to digest at a temperature in ther range of from 140 DEG to 200 DEG C.
申请公布号 US4904342(A) 申请公布日期 1990.02.27
申请号 US19880243004 申请日期 1988.09.12
申请人 SHELL OIL COMPANY 发明人 ARNOLDY, PETER;PETRUS, LEONARDUS
分类号 D21C3/04;D21C3/20 主分类号 D21C3/04
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