CL2024003083A1 - Método de purificación de lignina - Google Patents

Método de purificación de lignina

Info

Publication number
CL2024003083A1
CL2024003083A1 CL2024003083A CL2024003083A CL2024003083A1 CL 2024003083 A1 CL2024003083 A1 CL 2024003083A1 CL 2024003083 A CL2024003083 A CL 2024003083A CL 2024003083 A CL2024003083 A CL 2024003083A CL 2024003083 A1 CL2024003083 A1 CL 2024003083A1
Authority
CL
Chile
Prior art keywords
lignin
purified
black liquor
inorganic impurities
precipitated
Prior art date
Application number
CL2024003083A
Other languages
English (en)
Spanish (es)
Inventor
Björk Maria
Wadsborn Rickard
TOLONEN Lasse
SAMUELSSON Åsa
Hamaguchi Marcelo
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
Publication of CL2024003083A1 publication Critical patent/CL2024003083A1/es

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
    • 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
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • 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)
CL2024003083A 2022-04-11 2024-10-11 Método de purificación de lignina CL2024003083A1 (es)

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 (1)

Publication Number Publication Date
CL2024003083A1 true CL2024003083A1 (es) 2025-03-28

Family

ID=88329107

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2024003083A CL2024003083A1 (es) 2022-04-11 2024-10-11 Método de purificación de lignina

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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0402201D0 (sv) * 2004-09-14 2004-09-14 Stfi Packforsk Ab Method for separating lignin from black liquor
EP1994041A1 (en) * 2006-03-16 2008-11-26 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
BR112014022916B1 (pt) * 2012-03-16 2020-11-24 Valmet Power Ab METODO PARA A SEPARAQAO DE LIGNINA A PARTIR DE LIXfVIA NEGRA
CA2898449C (en) * 2013-01-24 2020-10-27 Valmet Ab Method for producing high purity lignin
WO2019241408A1 (en) * 2018-06-12 2019-12-19 Domtar Paper Company, Llc Methods and processes for lignin isolation/extraction
WO2019241413A1 (en) * 2018-06-12 2019-12-19 Domtar Paper Company, Llc Methods and processes for lignin isolation/extraction

Also Published As

Publication number Publication date
SE2230107A1 (en) 2023-10-12
SE545761C2 (en) 2024-01-02
CN118946695A (zh) 2024-11-12
US20250230182A1 (en) 2025-07-17
EP4508265A1 (en) 2025-02-19
JP2025511947A (ja) 2025-04-16
WO2023199201A1 (en) 2023-10-19
EP4508265A4 (en) 2026-04-01

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