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公开(公告)号：SE2050722A1
公开(公告)日：2021-12-17
申请号：SE2050722
申请日：2020-06-16
Applicant: STORA ENSO OYJ
Inventor： EHN CHRISTIAN , KAVAKKA JARI
Abstract: The present invention is directed to an improved method for recirculation of formic acid in a process for preparing dissolving pulp, in which sugars are extracted from pre-hydrolysis liquor.
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