METHOD OF DIGESTING LIGNOCELLULOSIC MATERIAL
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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A method of digesting lignocellulosic material includes the steps of providing the lignocellulosic material and a caustic composition having a pH of at least about 10. The caustic composition includes water， an alkaline- or alkaline earth- metal hydroxide， and up to about 1 percent by weight based on a total weight of the composition of a branched digestion additive. The branched digestion additive has the structure: wherein A is at least one alkyleneoxy group and each alkyleneoxy group has from 2 to 4 carbon atoms， n is 0 or 1， B is a branched aliphatic hydrocarbon group having from 8 to 15 carbon atoms， X is H or B-0-(A)m， and each m is independently an average value from 3 to 30， and wherein the caustic composition has a Draves Wetting Time of less than 100 seconds as determined using ASTM D2281.
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国家林业和草原科学数据中心
创建时间：
2023-02-12
