Method for hydrolyzing lignocellulose
A lignocellulose, mass ratio technology, applied in the new field of hydrolyzed lignocellulose, can solve the problems of inability to recycle, high energy consumption, long reaction time, etc., and achieves strong tolerance, high hydrolysis efficiency, and high mechanical strength. Effect
Inactive Publication Date: 2010-02-03
XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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The invention discloses a method for hydrolyzing lignocellulose. Lignocellulose is pulverized into particles, and the particles are mixed with water to form even seriflux; the seriflux is preheated to60-150 DEG C by using ultrasonic waves or microwaves; the preheated even seriflux is quickly heated to 120-300 DEG C, solid alkali is added and used as a catalyst, and stirring and catalytic reactionare simultaneously carried out for 15-300 minutes. The use of the ultrasonic waves or microwaves radiation in synergism with solid alkali for catalyzing and hydrolyzing the lignocellulose can greatlyreduce the reaction time as well as energy consumption. The solid alkali catalyst can be repeatedly used, is easily separated from an aqueous solution, and has the advantages of high mechanical strength, high durability, certain selectivity, relative singularity of catalytic hydrolyzate, high hydrolyzing efficiency and good market application prospect.
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