PROCESS FOR ISOLATION OF HEMICELLULOSES FROM BIOMASS PULPING PROCESS WATERS OR SPENT LIQUORS
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 invention relates to a process for isolation of hemicelluloses from biomass pulping process waters or spent liquors with removal of suspended solids， concentration of the product and purification of the product by removal of inorganic salts and low molecular weight substances. It is characterized in that the hemicellulose isolation process conditions at several separation/purification stages are adjusted separately by e.g. pH adjustment. The invention further relates to a plant for carrying out the process. With such process and plant it is possible to recover most of the suspended solids， especially xylan and other hemicelluloses. The invention relates to a process for isolation of hemicelluloses from biomass pulping process waters or spent liquors with removal of suspended solids， concentration of the product and purification of the product by removal of inorganic salts and low molecular weight substances. It is characterized in that the hemicellulose isolation process conditions at several separation/purification stages are adjusted separately by e.g. pH adjustment. The invention further relates to a plant for carrying out the process. With such process and plant it is possible to recover most of the suspended solids， especially xylan and other hemicelluloses.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
