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Research Progress on the Separation of Sugar Components and Furfural Preparation from Wood Fiber Prehydrolysate
Received:May 24, 2023  
DOI：10.11980/j.issn.0254-508X.2024.01.004
Key Words:prehydrolysate  separation and purification  furfural  high value utilization
Fund Project:国家自然科学基金资助项目（31971608，22378036）；辽宁省“兴辽英才计划”科技创新领军人才计划（特聘教授）（XLYC2202009）。
Author NameAffiliationPostcode
LIU Xiaodi* The Key Lab of High Value Utilization of Botanical Resources of China Light Industry， Key Lab of Biomass Chemistry and Materials of Liaoning， College of Light Industry & Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034 116034
JIA Wenchao The Key Lab of High Value Utilization of Botanical Resources of China Light Industry， Key Lab of Biomass Chemistry and Materials of Liaoning， College of Light Industry & Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034 116034
WANG Zhongshan The Key Lab of High Value Utilization of Botanical Resources of China Light Industry， Key Lab of Biomass Chemistry and Materials of Liaoning， College of Light Industry & Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034 116034
LI Changgeng The Key Lab of High Value Utilization of Botanical Resources of China Light Industry， Key Lab of Biomass Chemistry and Materials of Liaoning， College of Light Industry & Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034 116034
ZHANG He The Key Lab of High Value Utilization of Botanical Resources of China Light Industry， Key Lab of Biomass Chemistry and Materials of Liaoning， College of Light Industry & Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034 116034
SHI Haiqiang The Key Lab of High Value Utilization of Botanical Resources of China Light Industry， Key Lab of Biomass Chemistry and Materials of Liaoning， College of Light Industry & Chemical Engineering， Dalian Polytechnic University， Dalian， Liaoning Province， 116034 116034
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Abstract:The prehydrolysate is a waste liquid produced during the production of dissolved pulp via prehydrolyzed sulfate method， containing a large amount of hemicellulose and a small amount of lignin. The hemicellulose in the prehydrolysate can be prepared high value-added products such as furfural based on biomass refining technology， and the presence of lignin would seriously hinder the preparation of furfural. Thus the prerequisite for efficient preparation of furfural is the purification of the prehydrolysate， especially the removal of lignin. In this paper， the purification method of wood fiber prehydrolysate and the influencing factors of yield during furfural preparation were reviewed， the applications of adsorption method， membrane filtration method， and flocculation method in the purification of prehydrolysate were elaborated， and the effects of catalyst and reaction system on the yield during furfural preparation were discussed.
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