公开(公告)号：US10913759B2

公开(公告)日：2021-02-09

申请号：US15516281

申请日：2015-09-30

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Kaj Backfolk ,  Valentas Gaidelis ,  Jonas Sidaravicius

IPC: C07G1/00 ,  D21C11/00 ,  C08H7/00

Abstract: The present invention relates to a process for purifying, such as salt/ion depletion, and/or ash reduction, and/or sulphur removal, and/or free sugar depletion, and/or VOC depletion or fractionating, preferably by using dewatering, of a slurry comprising a lignin or lignin derivative or a combination thereof. A lignin or lignin derivative obtainable from said process and uses thereof are also disclosed.

公开(公告)号：US20240192115A1

公开(公告)日：2024-06-13

申请号：US18552270

申请日：2022-03-25

Applicant: Stora Enso OYJ

Inventor： Robertas Maldzius ,  Jonas Sidaravicius ,  Tadeus Lozovski ,  Kaj Backfolk ,  Isto Heiskanen

IPC: G01N15/08

CPC classification number: G01N15/082

Abstract: The present invention relates to an arrangement for determining the permeability of a sample, said arrangement comprising a source of fluid medium arranged such that at least a fraction of said medium can be brought into contact with a first surface of said sample to be tested; means for measuring the electrical properties at a second surface of said sample, wherein the second surface is opposite said first surface of said sample; and a controller for recording said electrical properties, and for determining the transmission rate of the fluid medium through the sample based on the recorded electrical properties.

公开(公告)号：US20170305949A1

公开(公告)日：2017-10-26

申请号：US15516281

申请日：2015-09-30

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Kaj Backfolk ,  Valentas Gaidelis ,  Jonas Sidaravicius

IPC: C07G1/00 ,  D21C11/00 ,  C08H7/00

CPC classification number: C07G1/00 ,  C08H6/00 ,  D21C11/00 ,  D21C11/0007

Abstract: The present invention relates to a process for purifying, such as salt/ion depletion, and/or ash reduction,and/or sulphur removal, and/or free sugar depletion,and/or VOC depletion or fractionating,preferably by using dewatering, of a slurry comprising a lignin or lignin derivative or a combination thereof. A lignin or lignin derivative obtainable from said process and uses thereof are also disclosed.