EP3161210A4 - Process for lowering molecular weight of liquid lignin - Google Patents

Process for lowering molecular weight of liquid lignin Download PDF

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Publication number
EP3161210A4
EP3161210A4 EP15812198.8A EP15812198A EP3161210A4 EP 3161210 A4 EP3161210 A4 EP 3161210A4 EP 15812198 A EP15812198 A EP 15812198A EP 3161210 A4 EP3161210 A4 EP 3161210A4
Authority
EP
European Patent Office
Prior art keywords
molecular weight
liquid lignin
lowering molecular
lowering
lignin
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.)
Withdrawn
Application number
EP15812198.8A
Other languages
German (de)
French (fr)
Other versions
EP3161210A1 (en
Inventor
Michael A. Lake
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/US2015/037375 external-priority patent/WO2015200456A1/en
Publication of EP3161210A1 publication Critical patent/EP3161210A1/en
Publication of EP3161210A4 publication Critical patent/EP3161210A4/en
Withdrawn legal-status Critical Current

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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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • 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
EP15812198.8A 2014-06-25 2015-06-24 Process for lowering molecular weight of liquid lignin Withdrawn EP3161210A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462016833P 2014-06-25 2014-06-25
PCT/US2015/037375 WO2015200456A1 (en) 2014-06-25 2015-06-24 Process for lowering molecular weight of liquid lignin

Publications (2)

Publication Number Publication Date
EP3161210A1 EP3161210A1 (en) 2017-05-03
EP3161210A4 true EP3161210A4 (en) 2018-01-31

Family

ID=58402173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15812198.8A Withdrawn EP3161210A4 (en) 2014-06-25 2015-06-24 Process for lowering molecular weight of liquid lignin

Country Status (1)

Country Link
EP (1) EP3161210A4 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623040A (en) * 1950-07-06 1952-12-23 West Virginia Pulp & Paper Co Method of coagulating colloidal lignates in aqueous dispersions
US4911787A (en) * 1985-08-09 1990-03-27 Research Association Of Pulp And Paper Technology Method for concentrating black liquor with oxidizing followed by CO2 addition
US20090218061A1 (en) * 2008-02-28 2009-09-03 Texaco Inc. Process for generating a hydrocarbon feedstock from lignin
US20110268652A1 (en) * 2008-09-08 2011-11-03 Basf Se Method for the integrated production of cellulose and low-molecular-weight reusable materials
WO2011138357A1 (en) * 2010-05-07 2011-11-10 Basf Se Method for producing at least one low-molecular-weight aromatic valuable material from a lignin-containing starting material
US20110294991A1 (en) * 2009-09-25 2011-12-01 Lake Michael A Process for recovering lignin
WO2013188401A1 (en) * 2012-06-13 2013-12-19 Liquid Lignin Company Process for producing energy from lignin
US20140121359A1 (en) * 2012-10-30 2014-05-01 Blackburn John C Ph-induced fractionation processes for recovery of lignin

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623040A (en) * 1950-07-06 1952-12-23 West Virginia Pulp & Paper Co Method of coagulating colloidal lignates in aqueous dispersions
US4911787A (en) * 1985-08-09 1990-03-27 Research Association Of Pulp And Paper Technology Method for concentrating black liquor with oxidizing followed by CO2 addition
US20090218061A1 (en) * 2008-02-28 2009-09-03 Texaco Inc. Process for generating a hydrocarbon feedstock from lignin
US20110268652A1 (en) * 2008-09-08 2011-11-03 Basf Se Method for the integrated production of cellulose and low-molecular-weight reusable materials
US20110294991A1 (en) * 2009-09-25 2011-12-01 Lake Michael A Process for recovering lignin
WO2011138357A1 (en) * 2010-05-07 2011-11-10 Basf Se Method for producing at least one low-molecular-weight aromatic valuable material from a lignin-containing starting material
WO2013188401A1 (en) * 2012-06-13 2013-12-19 Liquid Lignin Company Process for producing energy from lignin
US20140121359A1 (en) * 2012-10-30 2014-05-01 Blackburn John C Ph-induced fractionation processes for recovery of lignin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015200456A1 *

Also Published As

Publication number Publication date
EP3161210A1 (en) 2017-05-03

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