ES8204015A1 - Procedimiento para preparar pulpa celulosica - Google Patents

Procedimiento para preparar pulpa celulosica

Info

Publication number
ES8204015A1
ES8204015A1 ES502709A ES502709A ES8204015A1 ES 8204015 A1 ES8204015 A1 ES 8204015A1 ES 502709 A ES502709 A ES 502709A ES 502709 A ES502709 A ES 502709A ES 8204015 A1 ES8204015 A1 ES 8204015A1
Authority
ES
Spain
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
ES502709A
Other languages
English (en)
Spanish (es)
Other versions
ES502709A0 (es
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
Publication of ES8204015A1 publication Critical patent/ES8204015A1/es
Publication of ES502709A0 publication Critical patent/ES502709A0/es
Granted 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)
ES502709A 1980-06-02 1981-06-02 Procedimiento para preparar pulpa celulosica Granted ES502709A0 (es)

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 (2)

Publication Number Publication Date
ES8204015A1 true ES8204015A1 (es) 1982-04-01
ES502709A0 ES502709A0 (es) 1982-04-01

Family

ID=22554632

Family Applications (1)

Application Number Title Priority Date Filing Date
ES502709A Granted ES502709A0 (es) 1980-06-02 1981-06-02 Procedimiento para preparar pulpa celulosica

Country Status (8)

Country Link
US (1) US4329200A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0041401B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57500933A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE5268T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3161365D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES502709A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ197251A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1981003505A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009335866A1 (en) * 2008-12-19 2010-07-15 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
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
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
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
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

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
US4329200A (en) 1982-05-11
ES502709A0 (es) 1982-04-01
WO1981003505A1 (en) 1981-12-10
ATE5268T1 (de) 1983-11-15
DE3161365D1 (en) 1983-12-15
EP0041401B1 (en) 1983-11-09
NZ197251A (en) 1983-11-18
JPS57500933A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-05-27
EP0041401A1 (en) 1981-12-09

Similar Documents

Publication Publication Date Title
NO963072L (no) Fremgangsmåte for fremstilling av prehydrolysert kraftmasse
BE869780A (fr) Procede pour l'obtention de sucres, eventuellement de cellulose et eventuellement de lignine a partir de matieres premieres vegetales lignocellulosiques.
SE7706247L (sv) Massakokningsforfarande
BR9609008A (pt) Processo de produção de polpa a partir de materiais de planta fibrosos, aparelho para a formação de polpa de materiais de planta fibrosos e polpa.
SE8501247D0 (sv) Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvedning av tvastegsimpregnering
EP0333398A3 (en) Process for bleaching mechanical wood pulp
ES8704569A1 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
ES8204015A1 (es) Procedimiento para preparar pulpa celulosica
ATE21133T1 (de) Verfahren zur herstellung von halbgebleichten zellstoffen.
SE8403372D0 (sv) Fremgangsmate til delignifisering av kjemisk masse
FI912806A0 (fi) Ligninpreparat och foerfarande foer dess framstaellning.
SE8206859D0 (sv) Forfarande vid delignifierande blekning av cellulosamassa
SE9601643D0 (sv) Framställning av pappersmassa
EP0262988A3 (en) Manufacture of pulp
SE9700283L (sv) Framställningsprocess för pappersmassa
FR2398839A1 (fr) Procede de fabrication de pates papetieres chimiques
GB1301031A (en) Pulp and a process for the production thereof
EP0049831A3 (en) Process for the precipitation of lignosulfonate from waste sulfite liquor
US3451889A (en) Method of digesting wood by the kraft process utilizing organic sulfides
DE3274887D1 (en) A method of polysulphide treatment in alkaline pulping of lignocellulose material
MY110586A (en) Improved bleaching of high consistency lignocellulosic pulp
JPS57161189A (en) Production of alkali pulp digesting liquor
SE9000120L (sv) Barrvedssulfatmassa, foefarande foer dess framstaellning och anvaendning av massan
AU6734881A (en) Producing cellulosic pulp by the thermomechanical pulping method
JPS5721592A (en) Production of digesting liquor of sulfite pulp