DE3161365D1 - Method and mixture for producing cellulosic pulps - Google Patents

Method and mixture for producing cellulosic pulps

Info

Publication number
DE3161365D1
DE3161365D1 DE8181302445T DE3161365T DE3161365D1 DE 3161365 D1 DE3161365 D1 DE 3161365D1 DE 8181302445 T DE8181302445 T DE 8181302445T DE 3161365 T DE3161365 T DE 3161365T DE 3161365 D1 DE3161365 D1 DE 3161365D1
Authority
DE
Germany
Prior art keywords
pulping
mixture
employing
water
sulfide
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.)
Expired
Application number
DE8181302445T
Other languages
English (en)
Inventor
Kyosti V Sarkanen
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.)
University of Washington
Original Assignee
University of Washington
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 University of Washington filed Critical University of Washington
Application granted granted Critical
Publication of DE3161365D1 publication Critical patent/DE3161365D1/de
Expired 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
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE8181302445T 1980-06-02 1981-06-02 Method and mixture for producing cellulosic pulps Expired DE3161365D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/155,244 US4329200A (en) 1980-06-02 1980-06-02 Method and system for selective alkaline defiberization and delignification

Publications (1)

Publication Number Publication Date
DE3161365D1 true DE3161365D1 (en) 1983-12-15

Family

ID=22554632

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181302445T Expired DE3161365D1 (en) 1980-06-02 1981-06-02 Method and mixture for producing cellulosic pulps

Country Status (8)

Country Link
US (1) US4329200A (de)
EP (1) EP0041401B1 (de)
JP (1) JPS57500933A (de)
AT (1) ATE5268T1 (de)
DE (1) DE3161365D1 (de)
ES (1) ES8204015A1 (de)
NZ (1) NZ197251A (de)
WO (1) WO1981003505A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2358885B1 (de) 2008-12-19 2017-03-15 E. I. du Pont de Nemours and Company Vorbehandlung von biomasse mit einem organischen lösungsmittel zur verbesserung enzymatischer verzuckerung
US8241873B2 (en) * 2008-12-19 2012-08-14 E I Du Pont De Nemours And Company Organic solvent pretreatment of biomass to enhance enzymatic saccharification
US8278070B2 (en) * 2008-12-19 2012-10-02 E I Du Pont De Nemours And Company Organic solvent pretreatment of biomass to enhance enzymatic saccharification
US8216809B2 (en) * 2008-12-19 2012-07-10 E I Du Pont De Nemours And Company Organic solvent pretreatment of biomass to enhance enzymatic saccharification
US8304213B2 (en) * 2008-12-19 2012-11-06 E I Du Pont De Nemours And Company Organic solvent pretreatment of biomass to enhance enzymatic saccharification
US20100159522A1 (en) * 2008-12-19 2010-06-24 E.I. De Pont De Nemours And Company Organosolv and ozone treatment of biomass to enhance enzymatic saccharification

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1735013A (en) * 1928-06-01 1929-11-12 Brown Co Process of pulping raw cellulosic material
US1817525A (en) * 1929-03-12 1931-08-04 Brown Co Production of chemical wood pulp
FR704698A (fr) * 1929-11-02 1931-05-23 Procédé de désagrégation de substances fibreuses végétales en vue de l'obtention simultanée de la cellulose et des matières incrustantes
US1891337A (en) * 1930-01-09 1932-12-20 Du Pont Process of producing cellulose
GB398801A (en) * 1932-02-16 1933-09-18 Henry Dreyfus Improvements in or relating to the manufacture of cellulose or cellulosic materials
US2166540A (en) * 1937-12-17 1939-07-18 Univ Minnesota Alcoholic treatment of ligneous cellulosic material
CA856133A (en) * 1967-01-13 1970-11-17 Rayonier Inc. Process for pulping wood chips and product
BE756225A (fr) * 1969-09-26 1971-03-01 Brev Ind Et Chimiques Soc Gen Procede de fabrication de pate cellulosique

Also Published As

Publication number Publication date
ES502709A0 (es) 1982-04-01
WO1981003505A1 (en) 1981-12-10
NZ197251A (en) 1983-11-18
EP0041401B1 (de) 1983-11-09
US4329200A (en) 1982-05-11
JPS57500933A (de) 1982-05-27
ATE5268T1 (de) 1983-11-15
ES8204015A1 (es) 1982-04-01
EP0041401A1 (de) 1981-12-09

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee