EP1092058A4 - Method for selectively delignifying lignocellulosic materials - Google Patents

Method for selectively delignifying lignocellulosic materials

Info

Publication number
EP1092058A4
EP1092058A4 EP99955305A EP99955305A EP1092058A4 EP 1092058 A4 EP1092058 A4 EP 1092058A4 EP 99955305 A EP99955305 A EP 99955305A EP 99955305 A EP99955305 A EP 99955305A EP 1092058 A4 EP1092058 A4 EP 1092058A4
Authority
EP
European Patent Office
Prior art keywords
lignocellulosic materials
selectively
delignifying lignocellulosic
selectively delignifying
materials
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Withdrawn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
EP99955305A
Other languages
German (de)
French (fr)
Other versions
EP1092058A1 (en
Inventor
Edward L Springer
Rajai H Atalla
Ira A Weinstock
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.)
US Department of Health and Human Services
Emory University
US Department of Agriculture USDA
Original Assignee
US Department of Health and Human Services
Emory University
US Department of Agriculture USDA
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 US Department of Health and Human Services, Emory University, US Department of Agriculture USDA filed Critical US Department of Health and Human Services
Publication of EP1092058A1 publication Critical patent/EP1092058A1/en
Publication of EP1092058A4 publication Critical patent/EP1092058A4/en
Withdrawn legal-status Critical Current

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/006—Pulping cellulose-containing materials with compounds 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
EP99955305A 1998-06-02 1999-06-01 Method for selectively delignifying lignocellulosic materials Withdrawn EP1092058A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US320956 1994-10-12
US8765898P 1998-06-02 1998-06-02
US87658P 1998-06-02
US32095699A 1999-05-27 1999-05-27
PCT/US1999/012099 WO1999063149A1 (en) 1998-06-02 1999-06-01 Method for selectively delignifying lignocellulosic materials

Publications (2)

Publication Number Publication Date
EP1092058A1 EP1092058A1 (en) 2001-04-18
EP1092058A4 true EP1092058A4 (en) 2002-03-20

Family

ID=26777247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99955305A Withdrawn EP1092058A4 (en) 1998-06-02 1999-06-01 Method for selectively delignifying lignocellulosic materials

Country Status (5)

Country Link
EP (1) EP1092058A4 (en)
JP (1) JP2002517621A (en)
BR (1) BR9910866A (en)
CA (1) CA2332897A1 (en)
WO (1) WO1999063149A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110033897A1 (en) * 2007-03-02 2011-02-10 Pinheiro Dillon Aldo Jose Method for the Obtainment of Hydrolytic Enzymes, Hydrolytic Method for Producing Fermentable Sugars, Additives comprising Fermentable Sugars, and Process for Producing Ethanol from Sugar Cane Bagasse
US8889384B2 (en) 2010-10-07 2014-11-18 Shell Oil Company Process for the production of alcohols from biomass
WO2012088108A1 (en) 2010-12-20 2012-06-28 Shell Oil Company Process for the production of alcohols from biomass
FR2969668B1 (en) * 2010-12-23 2013-01-04 Arkema France METHOD FOR DELIGNIFYING AND WHITENING PAPER PULP USING ACTIVE HYDROGEN PEROXIDE
GB2500031B (en) * 2012-03-07 2015-04-01 Acal Energy Ltd Fuel cells

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012280A (en) * 1975-09-05 1977-03-15 Canadian Industries, Ltd. Delignification of lignocellulosic material with an alkaline liquor in the presence of a cyclic keto compound
FR2374464A1 (en) * 1976-12-14 1978-07-13 Canadian Ind Delignifying materials to mfr. cellulose - using alkaline pulping liq. contg. cyclic ketone and aromatic nitro cpd. to increase yield
DE4343508A1 (en) * 1993-12-20 1995-06-22 Eugen Edel Prodn. of cellulose from fibrous plant material by loosening
WO1995026438A1 (en) * 1994-03-28 1995-10-05 The United States Of America, Represented By The Secretary, Dept. Of Agriculture Polyoxometalate delignification and bleaching
US5552019A (en) * 1992-08-28 1996-09-03 The United States Of America As Represented By The Secretary Of Agriculture Oxidative delignification of wood or wood pulp by transition metal-substituted polyoxometalates

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310383A (en) * 1979-11-23 1982-01-12 Crown Zellerbach Corporation Continuous countercurrent pretreatment of lignocellulose with anthraquinone prior to pulping

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012280A (en) * 1975-09-05 1977-03-15 Canadian Industries, Ltd. Delignification of lignocellulosic material with an alkaline liquor in the presence of a cyclic keto compound
FR2374464A1 (en) * 1976-12-14 1978-07-13 Canadian Ind Delignifying materials to mfr. cellulose - using alkaline pulping liq. contg. cyclic ketone and aromatic nitro cpd. to increase yield
US5552019A (en) * 1992-08-28 1996-09-03 The United States Of America As Represented By The Secretary Of Agriculture Oxidative delignification of wood or wood pulp by transition metal-substituted polyoxometalates
DE4343508A1 (en) * 1993-12-20 1995-06-22 Eugen Edel Prodn. of cellulose from fibrous plant material by loosening
WO1995026438A1 (en) * 1994-03-28 1995-10-05 The United States Of America, Represented By The Secretary, Dept. Of Agriculture Polyoxometalate delignification and bleaching

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9963149A1 *

Also Published As

Publication number Publication date
EP1092058A1 (en) 2001-04-18
WO1999063149A1 (en) 1999-12-09
CA2332897A1 (en) 1999-12-09
JP2002517621A (en) 2002-06-18
BR9910866A (en) 2001-10-30
WO1999063149A8 (en) 2000-04-27

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