公开(公告)号：US10597602B2

公开(公告)日：2020-03-24

申请号：US16073437

申请日：2017-01-26

Applicant: Stora Enso OYJ

Inventor： Jari Kavakka

IPC: C11B3/00 ,  B01D11/04 ,  C11B3/12 ,  D21C11/00 ,  C07J9/00 ,  B01D3/14 ,  C07J75/00

Abstract: The present invention relates to extraction of phytosterols from alkaline tall oil soap which is obtained from the Kraft process black liquor by skimming. In the method according to the present invention, phytosterols are extracted using dibromomethane, bromoform, tetrabromomethane or a combination thereof.

公开(公告)号：US10533233B2

公开(公告)日：2020-01-14

申请号：US15548160

申请日：2016-02-01

Applicant: Stora Enso OYJ

Inventor： Jari Kavakka ,  Mari Granström

IPC: C13K13/00 ,  B01D11/04 ,  B01D9/00

Abstract: A method of generating a refined sugar stream that comprises xylose from a biomass hydrolysis solution including contacting a biomass hydrolysis solution that includes a population of mixed sugars comprising xylose, an acid, and impurities, with an extraction solvent to form an extraction mixture; and separating from said extraction mixture a first stream that includes the acid and a second, refined sugar stream that includes the extraction solvent and xylose. The extraction solvent is a tri-alkyl phosphine oxide, a dialkylsulfoxide, or a dialkylphosphite, or any combination thereof.

公开(公告)号：US10480039B2

公开(公告)日：2019-11-19

申请号：US15548166

申请日：2016-02-01

Applicant: Stora Enso OYJ

Inventor： Jari Kavakka ,  Mari Granström

IPC: C13K13/00 ,  B01D9/00 ,  B01D11/04 ,  B01D15/18 ,  B01D15/36

Abstract: A method of generating a refined sugar stream that comprises xylose from a biomass hydrolysis solution, including contacting a biomass hydrolysis solution that includes a population of mixed sugars comprising xylose, an acid, and impurities, with a thermally-phase separable solvent such as a glycol solvent to form an extraction mixture; and separating from said extraction mixture a first stream including the thermally-phase separable solvent, acid, and impurities and a second, refined sugar stream that comprises xylose. The thermally-phase separable solvent is an ethylene glycol or a propylene glycol ether, such as 2-butoxyethanol or 1-propoxy-propanol or any combination thereof.

公开(公告)号：US20190010420A1

公开(公告)日：2019-01-10

申请号：US16073437

申请日：2017-01-26

Applicant: Stora Enso OYJ

Inventor： Jari Kavakka

IPC: C11B3/00 ,  C11B3/12 ,  C07J75/00 ,  B01D3/14 ,  B01D11/04

CPC classification number: C11B3/006 ,  B01D3/143 ,  B01D11/0492 ,  B01D2257/2062 ,  C07J9/00 ,  C07J75/00 ,  C11B3/12 ,  D21C11/00

Abstract: The present invention relates to extraction of phytosterols from alkaline tall oil soap which is obtained from the Kraft process black liquor by skimming. In the method according to the present invention, phytosterols are extracted using dibromomethane, bromoform, tetrabromomethane or a combination thereof.