CATALYTIC HYDROTREATMENT OF SOME TECHNICAL LIGNINS

被引：72
|
作者：
OASMAA, A
ALEN, R
MEIER, D
机构：
[1] TECH RES CTR FINLAND,FUEL & PROC TECHNOL LAB,SF-02151 ESPOO,FINLAND
[2] FED RES CTR FORESTRY & FOREST PROD,INST WOOD CHEM & CHEM TECHNOL WOOD,W-2050 HAMBURG 80,GERMANY
来源：
BIORESOURCE TECHNOLOGY | 1993年 / 45卷 / 03期
关键词：
HYDROTREATMENT; KRAFT LIGNIN; ORGANOSOLV LIGNIN; OIL PRODUCT; CATALYST;
D O I：
10.1016/0960-8524(93)90111-N
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Five kraft lignins from softwood and hardwood and one softwood lignin from the organocell process were converted into an oil-like product by hydrotreatment at 400-degrees-C for 40 minutes in the presence of different catalysts. The total oil yields varied in the range 49-71% wt of the original lignin feedstock. The highest yield was obtained for organosolv lignin using a catalyst mixture of sulfided NiMo on aluminosilica (M8-81) : Cr2O3 (M9-10) (1:1). Detailed GLC analysis of the low-molecular-weight components in the oil products (the total amounts of 14-38% wt of the original lignin) indicated the presence of various alkyl benzenes, phenols, and polycyclic aromatics.
引用
收藏
页码：189 / 194
页数：6
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