SE548416C2 - Method for purifying lignin - Google Patents

Method for purifying lignin

Info

Publication number
SE548416C2
SE548416C2 SE2250426A SE2250426A SE548416C2 SE 548416 C2 SE548416 C2 SE 548416C2 SE 2250426 A SE2250426 A SE 2250426A SE 2250426 A SE2250426 A SE 2250426A SE 548416 C2 SE548416 C2 SE 548416C2
Authority
SE
Sweden
Prior art keywords
lignin
aqueous solution
present
acidic aqueous
relates
Prior art date
Application number
SE2250426A
Other languages
English (en)
Other versions
SE2250426A1 (en
Inventor
Vilhelm Olsson
Ulrika Stockwell
Maria Björk
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Priority to SE2250426A priority Critical patent/SE548416C2/en
Priority to US18/853,525 priority patent/US20250215164A1/en
Priority to JP2024558342A priority patent/JP2025512919A/ja
Priority to CN202380029837.6A priority patent/CN118974067A/zh
Priority to KR1020247036615A priority patent/KR20250003673A/ko
Priority to EP23784432.9A priority patent/EP4504743A4/en
Priority to PCT/IB2023/053331 priority patent/WO2023194866A1/en
Publication of SE2250426A1 publication Critical patent/SE2250426A1/en
Priority to CL2024002978A priority patent/CL2024002978A1/es
Publication of SE548416C2 publication Critical patent/SE548416C2/en

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00—Low-molecular-weight derivatives of lignin
    • 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)
SE2250426A 2022-04-04 2022-04-04 Method for purifying lignin SE548416C2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE2250426A SE548416C2 (en) 2022-04-04 2022-04-04 Method for purifying lignin
US18/853,525 US20250215164A1 (en) 2022-04-04 2023-04-03 Method for purifying lignin
JP2024558342A JP2025512919A (ja) 2022-04-04 2023-04-03 リグニンの精製方法
CN202380029837.6A CN118974067A (zh) 2022-04-04 2023-04-03 用于纯化木质素的方法
KR1020247036615A KR20250003673A (ko) 2022-04-04 2023-04-03 리그닌 정제 방법
EP23784432.9A EP4504743A4 (en) 2022-04-04 2023-04-03 LIGNIN PURIFICATION PROCESS
PCT/IB2023/053331 WO2023194866A1 (en) 2022-04-04 2023-04-03 Method for purifying lignin
CL2024002978A CL2024002978A1 (es) 2022-04-04 2024-10-02 Método de purificación de lignina

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2250426A SE548416C2 (en) 2022-04-04 2022-04-04 Method for purifying lignin

Publications (2)

Publication Number Publication Date
SE2250426A1 SE2250426A1 (en) 2023-10-05
SE548416C2 true SE548416C2 (en) 2026-07-13

Family

ID=88244174

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2250426A SE548416C2 (en) 2022-04-04 2022-04-04 Method for purifying lignin

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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140187760A1 (en) * 2012-12-28 2014-07-03 Weyerhaeuser Nr Company Lignin Precipitation Methods
US20160137680A1 (en) * 2014-11-19 2016-05-19 Clemson University Solvent and recovery process for lignin
EP3156409A1 (en) * 2015-10-13 2017-04-19 Valmet Technologies Oy Method for producing solid lignin
US20190241595A1 (en) * 2016-07-01 2019-08-08 Ren Fuel K2B Ab Ultrapure kraft lignin composition
WO2020013752A1 (en) * 2018-07-12 2020-01-16 Suncarbon Ab Lignin purification
SE2050762A1 (en) * 2019-05-06 2020-11-07 Suncarbon Ab Bio fuel mixture for use as fuel in kilns

Family Cites Families (7)

* 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
CA2898449C (en) * 2013-01-24 2020-10-27 Valmet Ab Method for producing high purity 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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140187760A1 (en) * 2012-12-28 2014-07-03 Weyerhaeuser Nr Company Lignin Precipitation Methods
US20160137680A1 (en) * 2014-11-19 2016-05-19 Clemson University Solvent and recovery process for lignin
EP3156409A1 (en) * 2015-10-13 2017-04-19 Valmet Technologies Oy Method for producing solid lignin
US20190241595A1 (en) * 2016-07-01 2019-08-08 Ren Fuel K2B Ab Ultrapure kraft lignin composition
WO2020013752A1 (en) * 2018-07-12 2020-01-16 Suncarbon Ab Lignin purification
SE2050762A1 (en) * 2019-05-06 2020-11-07 Suncarbon Ab Bio fuel mixture for use as fuel in kilns

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Klett, A. S. et al. "Continuous-Flow Process for the Purification and Fractionation of Alkali and Organosolv Lignins" In: ACS Sustainable Chem. Eng., 2016, Sep., Vol. 4, No. 12, pp. 6689-6694. *
Klett, A. S. et al. "Recovering ultraclean lignins of controlled molecular weight from Kraft black-liquor lignins" In: Chem. Commun., 2015, Jul., Vol. 51, No. 64, pp. 12855-12858. *

Also Published As

Publication number Publication date
KR20250003673A (ko) 2025-01-07
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
SE2250426A1 (en) 2023-10-05
EP4504743A1 (en) 2025-02-12
CN118974067A (zh) 2024-11-15