PERFORMIC PULP FROM WHEAT STRAW

被引：0
|
作者：
Barbash, Valerii [1 ]
Trembus, Irina [1 ]
Sokolovska, Nina [1 ]
机构：
[1] Igor Sikorsky Kyiv Polytech Inst, Kiev, Ukraine
来源：
CELLULOSE CHEMISTRY AND TECHNOLOGY | 2018年 / 52卷 / 7-8期
关键词：
wheat straw; performic pulp; catalyst; selectivity index; lignin-carbohydrate diagram; CHEMICAL-COMPOSITION;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
This paper presents an efficient method for obtaining pulp from wheat straw. The influence of the chemical reagents used and of the duration of cooking in the formic acid-hydrogen peroxide solution on the quality of performic pulp was investigated. The selectivity indexes of lignin extraction from wheat straw by performic acid were calculated. The regression equations that described adequately the dependences of the straw pulp quality indexes on the key technological parameters were calculated. The optimal values of the technological parameters for the delignification process using performic acid were determined. The mechanical properties of organosolv straw pulp confirmed its suitability for being used in the production of paper and cardboard. A lignin-carbohydrate diagram, indicating the efficiency of different delignification methods for wheat straw, was proposed.
引用
收藏
页码：673 / 680
页数：8
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