PROCESS FOR THE PRODUCTION OF XYLOSE and DISSOLVING PULP
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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The present invention relates to a process for the production of xylose and dissolving pulp from xylan-containing biomass， such as hardwood. The invention is based on prehydrolysis of the xylan-containing biomass with SO2 in specified conditions， followed by chromatographic fractionation， nanofiltration or precipitation crystallization of the xylose-containing prehydrolyzate to obtain a xylose product having a xylose content of at least 55% on DS. The dissolving pulp obtained from the process can be used for example for the production of viscose. The present invention relates to a process for the production of xylose and dissolving pulp from xylan-containing biomass， such as hardwood. The invention is based on prehydrolysis of the xylan-containing biomass with SO 2 in specified conditions， followed by chromatographic fractionation， nanofiltration or precipitation crystallization of the xylose-containing prehydrolyzate to obtain a xylose product having a xylose content of at least 55% on DS. The dissolving pulp obtained from the process can be used for example for the production of viscose.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
