SE545761C2 - A method for purifying lignin by removing inorganic impurities from black liquor - Google Patents

A method for purifying lignin by removing inorganic impurities from black liquor

Info

Publication number
SE545761C2
SE545761C2 SE2230107A SE2230107A SE545761C2 SE 545761 C2 SE545761 C2 SE 545761C2 SE 2230107 A SE2230107 A SE 2230107A SE 2230107 A SE2230107 A SE 2230107A SE 545761 C2 SE545761 C2 SE 545761C2
Authority
SE
Sweden
Prior art keywords
lignin
precipitated
black
purified
iiquor
Prior art date
Application number
SE2230107A
Other languages
English (en)
Swedish (sv)
Other versions
SE2230107A1 (en
Inventor
Åsa Samuelsson
Lasse Tolonen
Marcelo Hamaguchi
Maria Björk
Rickard Wadsborn
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 SE2230107A priority Critical patent/SE545761C2/en
Priority to EP23787904.4A priority patent/EP4508265A4/en
Priority to JP2024559623A priority patent/JP2025511947A/ja
Priority to CN202380033632.5A priority patent/CN118946695A/zh
Priority to US18/855,664 priority patent/US20250230182A1/en
Priority to PCT/IB2023/053663 priority patent/WO2023199201A1/en
Publication of SE2230107A1 publication Critical patent/SE2230107A1/en
Publication of SE545761C2 publication Critical patent/SE545761C2/en
Priority to CL2024003083A priority patent/CL2024003083A1/es

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Compounds Of Unknown Constitution (AREA)
SE2230107A 2022-04-11 2022-04-11 A method for purifying lignin by removing inorganic impurities from black liquor SE545761C2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE2230107A SE545761C2 (en) 2022-04-11 2022-04-11 A method for purifying lignin by removing inorganic impurities from black liquor
EP23787904.4A EP4508265A4 (en) 2022-04-11 2023-04-11 LIGNIN PURIFICATION PROCESS
JP2024559623A JP2025511947A (ja) 2022-04-11 2023-04-11 リグニンの精製方法
CN202380033632.5A CN118946695A (zh) 2022-04-11 2023-04-11 用于纯化木质素的方法
US18/855,664 US20250230182A1 (en) 2022-04-11 2023-04-11 A method for purifying lignin
PCT/IB2023/053663 WO2023199201A1 (en) 2022-04-11 2023-04-11 A method for purifying lignin
CL2024003083A CL2024003083A1 (es) 2022-04-11 2024-10-11 Método de purificación de lignina

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2230107A SE545761C2 (en) 2022-04-11 2022-04-11 A method for purifying lignin by removing inorganic impurities from black liquor

Publications (2)

Publication Number Publication Date
SE2230107A1 SE2230107A1 (en) 2023-10-12
SE545761C2 true SE545761C2 (en) 2024-01-02

Family

ID=88329107

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2230107A SE545761C2 (en) 2022-04-11 2022-04-11 A method for purifying lignin by removing inorganic impurities from black liquor

Country Status (7)

Country Link
US (1) US20250230182A1 (https=)
EP (1) EP4508265A4 (https=)
JP (1) JP2025511947A (https=)
CN (1) CN118946695A (https=)
CL (1) CL2024003083A1 (https=)
SE (1) SE545761C2 (https=)
WO (1) WO2023199201A1 (https=)

Families Citing this family (1)

* 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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006031175A1 (en) * 2004-09-14 2006-03-23 Lignoboost Ab Method for separating lignin from black liquor
WO2007120091A1 (en) * 2006-03-16 2007-10-25 Stfi-Packforsk Ab Method for separating polymeric pentose from a liquid/slurry
WO2013003941A1 (en) * 2011-07-04 2013-01-10 Hydro-Quebec Process for the treatment of black liquor
WO2014116150A1 (en) * 2013-01-24 2014-07-31 Valmet Power Ab Method for producing high purity lignin
WO2019241413A1 (en) * 2018-06-12 2019-12-19 Domtar Paper Company, Llc Methods and processes for lignin isolation/extraction
WO2019241408A1 (en) * 2018-06-12 2019-12-19 Domtar Paper Company, Llc Methods and processes for lignin isolation/extraction

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112014022916B1 (pt) * 2012-03-16 2020-11-24 Valmet Power Ab METODO PARA A SEPARAQAO DE LIGNINA A PARTIR DE LIXfVIA NEGRA

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006031175A1 (en) * 2004-09-14 2006-03-23 Lignoboost Ab Method for separating lignin from black liquor
WO2007120091A1 (en) * 2006-03-16 2007-10-25 Stfi-Packforsk Ab Method for separating polymeric pentose from a liquid/slurry
WO2013003941A1 (en) * 2011-07-04 2013-01-10 Hydro-Quebec Process for the treatment of black liquor
WO2014116150A1 (en) * 2013-01-24 2014-07-31 Valmet Power Ab Method for producing high purity lignin
WO2019241413A1 (en) * 2018-06-12 2019-12-19 Domtar Paper Company, Llc Methods and processes for lignin isolation/extraction
WO2019241408A1 (en) * 2018-06-12 2019-12-19 Domtar Paper Company, Llc Methods and processes for lignin isolation/extraction

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Guo, X et al. 'Adsorption of metal ions on lignin'. In: J Hazard Mat 2008, No 151, pp. 134-142 *
Naseer, A. et al. 'Lignin and Lignin Based Materials for the Removal of Heavy Metals from Waste Water-An Overview'. In: Z Phys Chem 2019, Vol 233, pp. 315-345 *

Also Published As

Publication number Publication date
SE2230107A1 (en) 2023-10-12
CN118946695A (zh) 2024-11-12
US20250230182A1 (en) 2025-07-17
EP4508265A1 (en) 2025-02-19
CL2024003083A1 (es) 2025-03-28
JP2025511947A (ja) 2025-04-16
WO2023199201A1 (en) 2023-10-19
EP4508265A4 (en) 2026-04-01

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