CN118946695A - 用于纯化木质素的方法 - Google Patents

用于纯化木质素的方法 Download PDF

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Publication number
CN118946695A
CN118946695A CN202380033632.5A CN202380033632A CN118946695A CN 118946695 A CN118946695 A CN 118946695A CN 202380033632 A CN202380033632 A CN 202380033632A CN 118946695 A CN118946695 A CN 118946695A
Authority
CN
China
Prior art keywords
lignin
black liquor
precipitated
purified
inorganic impurities
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
CN202380033632.5A
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English (en)
Chinese (zh)
Inventor
R·瓦兹博恩
M·比约克
L·托洛宁
A·塞缪尔森
M·哈马古奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stora Enso Oyj
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 CN118946695A publication Critical patent/CN118946695A/zh
Pending legal-status Critical Current

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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)
CN202380033632.5A 2022-04-11 2023-04-11 用于纯化木质素的方法 Pending CN118946695A (zh)

Applications Claiming Priority (3)

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
SE2230107-1 2022-04-11
PCT/IB2023/053663 WO2023199201A1 (en) 2022-04-11 2023-04-11 A method for purifying lignin

Publications (1)

Publication Number Publication Date
CN118946695A true CN118946695A (zh) 2024-11-12

Family

ID=88329107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380033632.5A Pending CN118946695A (zh) 2022-04-11 2023-04-11 用于纯化木质素的方法

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
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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