KR20250003673A - 리그닌 정제 방법 - Google Patents

리그닌 정제 방법 Download PDF

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Publication number
KR20250003673A
KR20250003673A KR1020247036615A KR20247036615A KR20250003673A KR 20250003673 A KR20250003673 A KR 20250003673A KR 1020247036615 A KR1020247036615 A KR 1020247036615A KR 20247036615 A KR20247036615 A KR 20247036615A KR 20250003673 A KR20250003673 A KR 20250003673A
Authority
KR
South Korea
Prior art keywords
lignin
ppm
content
less
aqueous solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020247036615A
Other languages
English (en)
Korean (ko)
Inventor
빌헬름 올손
울리카 스톡웰
마리아 뵈르크
Original Assignee
스토라 엔소 오와이제이
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 스토라 엔소 오와이제이 filed Critical 스토라 엔소 오와이제이
Publication of KR20250003673A publication Critical patent/KR20250003673A/ko
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00—Low-molecular-weight derivatives of lignin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0288—Applications, solvents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/005—Lignin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Compounds Of Unknown Constitution (AREA)
KR1020247036615A 2022-04-04 2023-04-03 리그닌 정제 방법 Pending KR20250003673A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE2250426A SE548416C2 (en) 2022-04-04 2022-04-04 Method for purifying lignin
SE2250426-0 2022-04-04
PCT/IB2023/053331 WO2023194866A1 (en) 2022-04-04 2023-04-03 Method for purifying lignin

Publications (1)

Publication Number Publication Date
KR20250003673A true KR20250003673A (ko) 2025-01-07

Family

ID=88244174

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247036615A Pending KR20250003673A (ko) 2022-04-04 2023-04-03 리그닌 정제 방법

Country Status (8)

Country Link
US (1) US20250215164A1 (cg-RX-API-DMAC7.html)
EP (1) EP4504743A4 (cg-RX-API-DMAC7.html)
JP (1) JP2025512919A (cg-RX-API-DMAC7.html)
KR (1) KR20250003673A (cg-RX-API-DMAC7.html)
CN (1) CN118974067A (cg-RX-API-DMAC7.html)
CL (1) CL2024002978A1 (cg-RX-API-DMAC7.html)
SE (1) SE548416C2 (cg-RX-API-DMAC7.html)
WO (1) WO2023194866A1 (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4389826A1 (en) * 2022-12-22 2024-06-26 Ren Fuel K2B AB Recovered lignin and derivatized recovered lignin having reduced silicon-content and methods for reducing the silicon-content in recovered lignin and derivatized recovered lignin
CN120865571B (zh) * 2025-09-29 2026-01-06 广西大学 一种双氧水协同乙二胺四乙酸钠盐分阶段去除木质素金属离子的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9790641B2 (en) * 2011-05-24 2017-10-17 Liquid Lignin Company, Llc Process for treating lignin
FI126765B (en) * 2012-06-25 2017-05-15 Upm Kymmene Corp A process for the preparation of a lignin component, a lignin component and its use, and a product
US20140187760A1 (en) * 2012-12-28 2014-07-03 Weyerhaeuser Nr Company Lignin Precipitation Methods
CA2898449C (en) * 2013-01-24 2020-10-27 Valmet Ab Method for producing high purity lignin
US10053482B2 (en) * 2014-11-19 2018-08-21 Clemson University Solvent and recovery process for lignin
CN106468032B (zh) * 2015-08-18 2019-08-02 海南金海浆纸业有限公司 一种从硫酸盐法制浆黑液中提取木素的方法及装置
FI127125B (en) * 2015-10-13 2017-11-30 Valmet Technologies Oy A process for preparing solid lignin
BR112018076770A2 (pt) * 2016-07-01 2019-04-02 Ren Fuel K2B Ab composição, método de preparação da composição, uso da composição, combustível obtido a partir da composição, e compósito
WO2020013752A1 (en) * 2018-07-12 2020-01-16 Suncarbon Ab Lignin purification
SE543503C2 (en) * 2019-05-06 2021-03-09 Suncarbon Ab A method of producing a low ash content biofuel mixture comprising tall oil pitch and lignin and uses of the biofuel mixture
JP2021155661A (ja) * 2020-03-30 2021-10-07 日本製紙株式会社 ソーダリグニンの分離方法
JP7537127B2 (ja) * 2020-05-21 2024-08-21 日本製紙株式会社 リグニンの洗浄方法および分離方法
SE2150839A1 (en) * 2021-06-30 2022-12-31 Valmet Oy Method and system for producing lignin

Also Published As

Publication number Publication date
JP2025512919A (ja) 2025-04-22
EP4504743A4 (en) 2026-03-25
WO2023194866A1 (en) 2023-10-12
CL2024002978A1 (es) 2025-02-21
US20250215164A1 (en) 2025-07-03
SE548416C2 (en) 2026-07-13
SE2250426A1 (en) 2023-10-05
EP4504743A1 (en) 2025-02-12
CN118974067A (zh) 2024-11-15

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20241101

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application