GB1500011A - Method for the dilignification of lignocellulosic materia - Google Patents

Method for the dilignification of lignocellulosic materia

Info

Publication number
GB1500011A
GB1500011A GB9446/75A GB944675A GB1500011A GB 1500011 A GB1500011 A GB 1500011A GB 9446/75 A GB9446/75 A GB 9446/75A GB 944675 A GB944675 A GB 944675A GB 1500011 A GB1500011 A GB 1500011A
Authority
GB
United Kingdom
Prior art keywords
delignification
acid
added
lignocellulosic material
manganese
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
GB9446/75A
Other languages
English (en)
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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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 Mo och Domsjo AB filed Critical Mo och Domsjo AB
Publication of GB1500011A publication Critical patent/GB1500011A/en
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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Processing Of Solid Wastes (AREA)
GB9446/75A 1974-03-14 1975-03-06 Method for the dilignification of lignocellulosic materia Expired GB1500011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7403451A SE380298B (sv) 1974-03-14 1974-03-14 Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material

Publications (1)

Publication Number Publication Date
GB1500011A true GB1500011A (en) 1978-02-08

Family

ID=20320524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9446/75A Expired GB1500011A (en) 1974-03-14 1975-03-06 Method for the dilignification of lignocellulosic materia

Country Status (13)

Country Link
JP (1) JPS522002B2 (en, 2012)
AT (1) AT345658B (en, 2012)
BR (1) BR7501339A (en, 2012)
CA (1) CA1039908A (en, 2012)
CH (1) CH606601A5 (en, 2012)
DE (1) DE2509746C3 (en, 2012)
FI (1) FI750635A7 (en, 2012)
FR (1) FR2264125B1 (en, 2012)
GB (1) GB1500011A (en, 2012)
IT (1) IT1030236B (en, 2012)
NO (1) NO140605C (en, 2012)
SE (1) SE380298B (en, 2012)
ZA (1) ZA751266B (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010080436A1 (en) * 2008-12-19 2010-07-15 E. I. Du Pont De Nemours And Company Oxidative treatment of biomass to enhance enzymatic saccharification

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7601935L (sv) * 1975-06-30 1976-12-31 Int Paper Co Sett att bleka lignincellulosamassa
DE3674859D1 (de) * 1985-08-05 1990-11-15 Interox Sa Verfahren zur delignifizierung von zellulosematerialien.
IN167959B (en, 2012) * 1985-08-05 1991-01-12 Interox
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010080436A1 (en) * 2008-12-19 2010-07-15 E. I. Du Pont De Nemours And Company Oxidative treatment of biomass to enhance enzymatic saccharification

Also Published As

Publication number Publication date
CA1039908A (en) 1978-10-10
FI750635A7 (en, 2012) 1975-09-15
ZA751266B (en) 1976-01-28
NO140605C (no) 1979-10-03
NO750744L (en, 2012) 1975-09-16
JPS522002B2 (en, 2012) 1977-01-19
ATA178875A (de) 1978-01-15
CH606601A5 (en, 2012) 1978-11-15
AT345658B (de) 1978-09-25
SE7403451L (en, 2012) 1975-09-15
DE2509746B2 (de) 1977-08-18
DE2509746A1 (de) 1975-09-25
FR2264125A1 (en, 2012) 1975-10-10
FR2264125B1 (en, 2012) 1977-11-18
IT1030236B (it) 1979-03-30
BR7501339A (pt) 1975-12-09
DE2509746C3 (de) 1978-04-27
NO140605B (no) 1979-06-25
JPS50121501A (en, 2012) 1975-09-23
SE380298B (sv) 1975-11-03

Similar Documents

Publication Publication Date Title
US4087318A (en) Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound
US3769152A (en) Digestion of wood with oxygen in the presence of alkali
US3759783A (en) Process for bleaching cellulose pulp with alkali and oxygen gas utilizing waste bleaching liquor from an alka line oxygen gas bleaching stage
US3719552A (en) Bleaching of lignocellulosic materials with oxygen in the presence of a peroxide
FI69135C (fi) Foerfarande foer syrgasblekning av cellulosamassa
CA1036757A (en) Process for delignifying and bleaching cellulose pulp
US4050981A (en) Process for the delignification of lignocellulosic material by maintaining a concentration of carbon monoxide in the presence of oxygen and alkali
ES425711A1 (es) Procedimiento para la desliquificacion de un material lig- nocelulosico.
GB1443765A (en) Method of producing cellulose pulp of high birghtness
GB1434232A (en) Method of producing cellulose pulp by means of oxygen gas delignification
FI75883B (fi) Foerfarande foer framstaellning av koklut.
US3701712A (en) Process for treating cellulosic materials with alkali and oxygen in the presence of complex magnesium salts
US3843473A (en) Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
GB1500011A (en) Method for the dilignification of lignocellulosic materia
FI75880B (fi) Foerfarande foer syrgasblekning av cellulosamassa.
US4113553A (en) Sodium sulfide pulping with hydrogen sulfide generation
FI68679C (fi) Foerfarande foer uppslutning av lignocellulosahaltiga materialgenom alkalisk kokning
US2772240A (en) Method of treating residual liquors obtained in the manufacture of pulp by the sulphate cellulose process
US4750973A (en) Process for reducing carbohydrate losses in the sulfate pulping of wood by pretreating the wood with oxygen and nitrogen oxides
US8591702B2 (en) Increasing alkaline pulping yield for softwood with metal ions
FI85725C (fi) Foerfarande foer delignifiering av cellulosamaterial.
US12378728B2 (en) Cooking accelerator for lignocellulose materials and method for producing pulp using same
FI85726C (fi) Foerfarande foer delignifiering av cellulosamaterial.
SU787518A1 (ru) Способ получени целлюлозы
SU1615260A1 (ru) Способ получени целлюлозы дл химической переработки

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee