公开(公告)号：US20180162958A1

公开(公告)日：2018-06-14

申请号：US15580818

申请日：2016-06-09

Applicant: Stora Enso OYJ

Inventor： Jari Kavakka ,  Mari Granstrom

IPC: C08B37/00

CPC classification number: C08B37/0057 ,  C08B37/0003 ,  C08H8/00 ,  C13K13/002

Abstract: Methods for producing refined xylan from a biomass solution, including: (i) providing a biomass solution, which comprises xylan; (ii) concentrating or separating said biomass solution to obtain a xylan concentrate comprising xylan and impurities; (iii) washing and/or extracting the xylan concentrate with a solvent to obtain refined xylan and a solvent stream comprising the solvent and impurities; and (iv) collecting the refined xylan.

公开(公告)号：US10899850B2

公开(公告)日：2021-01-26

申请号：US15580818

申请日：2016-06-09

Applicant: Stora Enso OYJ

Inventor： Jari Kavakka ,  Mari Granstrom

IPC: C08B37/00 ,  C08H8/00 ,  C13K13/00

Abstract: Methods for producing refined xylan from a biomass solution, including: (i) providing a biomass solution, which comprises xylan; (ii) concentrating or separating said biomass solution to obtain a xylan concentrate comprising xylan and impurities; (iii) washing and/or extracting the xylan concentrate with a solvent to obtain refined xylan and a solvent stream comprising the solvent and impurities; and (iv) collecting the refined xylan.