公开(公告)号：WO2021123507A1

公开(公告)日：2021-06-24

申请号：PCT/FI2020/050858

申请日：2020-12-18

Applicant: ANDRITZ OY

Inventor： POUKKA, Outi ,  SALMENKIVI, Katja ,  PEHU-LEHTONEN, Lauri ,  SJÖGÅRD, Pauliina ,  TAMMINEN, Tarja ,  LIITIÄ, Tiina ,  OHRA-AHO, Taina

IPC: D21C11/00 ,  D21C11/0007

Abstract: According to an example aspect of the present invention, there is provided a method of removing volatile compounds from a lignin-containing material, the method comprising: providing a material comprising lignin and volatile compounds; treating the material by a distillation method in order to vaporize at least a part of the volatile compounds.