SE380298B - Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material - Google Patents

Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material

Info

Publication number
SE380298B
SE380298B SE7403451A SE7403451A SE380298B SE 380298 B SE380298 B SE 380298B SE 7403451 A SE7403451 A SE 7403451A SE 7403451 A SE7403451 A SE 7403451A SE 380298 B SE380298 B SE 380298B
Authority
SE
Sweden
Prior art keywords
lignocelluosa
delignification
procedure
acid
containing material
Prior art date
Application number
SE7403451A
Other languages
English (en)
Swedish (sv)
Other versions
SE7403451L (pt
Inventor
H O Samuelson
K E Abrahamsson
Original Assignee
Mo
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, Domsjo Ab filed Critical Mo
Priority to SE7403451A priority Critical patent/SE380298B/xx
Priority to IT67508/75A priority patent/IT1030236B/it
Priority to ZA00751266A priority patent/ZA751266B/xx
Priority to CH270175A priority patent/CH606601A5/xx
Priority to FI750635A priority patent/FI750635A/fi
Priority to NO750744A priority patent/NO140605C/no
Priority to DE2509746A priority patent/DE2509746C3/de
Priority to JP50027940A priority patent/JPS522002B2/ja
Priority to BR1339/75A priority patent/BR7501339A/pt
Priority to GB9446/75A priority patent/GB1500011A/en
Priority to AT178875A priority patent/AT345658B/de
Priority to FR7507206A priority patent/FR2264125B1/fr
Priority to CA221,564A priority patent/CA1039908A/en
Publication of SE7403451L publication Critical patent/SE7403451L/
Publication of SE380298B publication Critical patent/SE380298B/xx
Priority to US05/754,717 priority patent/US4087318A/en

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)
SE7403451A 1974-03-14 1974-03-14 Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material SE380298B (sv)

Priority Applications (14)

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
IT67508/75A IT1030236B (it) 1974-03-14 1975-02-27 Procedimento per la delignificazione di materiali cellulosici
ZA00751266A ZA751266B (en) 1974-03-14 1975-02-28 A method for the delignification of lignocellulosic material
CH270175A CH606601A5 (pt) 1974-03-14 1975-03-04
FI750635A FI750635A (pt) 1974-03-14 1975-03-05
JP50027940A JPS522002B2 (pt) 1974-03-14 1975-03-06
DE2509746A DE2509746C3 (de) 1974-03-14 1975-03-06 Verfahren zur Delignifizierung von lignozellulosehaltigem Material
NO750744A NO140605C (no) 1974-03-14 1975-03-06 Fremgangsmaate ved fjernelse av lignin fra lignocelluloseholdige materialer
BR1339/75A BR7501339A (pt) 1974-03-14 1975-03-06 Processo para a deslignificacao de material lignocelulosico
GB9446/75A GB1500011A (en) 1974-03-14 1975-03-06 Method for the dilignification of lignocellulosic materia
AT178875A AT345658B (de) 1974-03-14 1975-03-07 Verfahren zur delignifizierung von lignozellulosehaltigem material
FR7507206A FR2264125B1 (pt) 1974-03-14 1975-03-07
CA221,564A CA1039908A (en) 1974-03-14 1975-03-07 Process for the delignification of lignocellulosic material
US05/754,717 US4087318A (en) 1974-03-14 1976-12-27 Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound

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 (2)

Publication Number Publication Date
SE7403451L SE7403451L (pt) 1975-09-15
SE380298B true SE380298B (sv) 1975-11-03

Family

ID=20320524

Family Applications (1)

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

Country Status (13)

Country Link
JP (1) JPS522002B2 (pt)
AT (1) AT345658B (pt)
BR (1) BR7501339A (pt)
CA (1) CA1039908A (pt)
CH (1) CH606601A5 (pt)
DE (1) DE2509746C3 (pt)
FI (1) FI750635A (pt)
FR (1) FR2264125B1 (pt)
GB (1) GB1500011A (pt)
IT (1) IT1030236B (pt)
NO (1) NO140605C (pt)
SE (1) SE380298B (pt)
ZA (1) ZA751266B (pt)

Families Citing this family (6)

* 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
JPS6134314A (ja) * 1984-07-25 1986-02-18 Kawasaki Heavy Ind Ltd 内燃機関
AU591509B2 (en) * 1985-08-05 1989-12-07 Interox Societe Anonyme Process for the delignification of cellulosic substances
IN167959B (pt) * 1985-08-05 1991-01-12 Interox
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
US20100159515A1 (en) * 2008-12-19 2010-06-24 E.I. Du Pont De Nemours And Company Oxidative pretreatment of biomass to enhance enzymatic saccharification

Also Published As

Publication number Publication date
AT345658B (de) 1978-09-25
DE2509746B2 (de) 1977-08-18
CH606601A5 (pt) 1978-11-15
ZA751266B (en) 1976-01-28
ATA178875A (de) 1978-01-15
NO140605C (no) 1979-10-03
NO140605B (no) 1979-06-25
DE2509746C3 (de) 1978-04-27
GB1500011A (en) 1978-02-08
JPS50121501A (pt) 1975-09-23
FR2264125B1 (pt) 1977-11-18
SE7403451L (pt) 1975-09-15
FI750635A (pt) 1975-09-15
IT1030236B (it) 1979-03-30
NO750744L (pt) 1975-09-16
JPS522002B2 (pt) 1977-01-19
DE2509746A1 (de) 1975-09-25
FR2264125A1 (pt) 1975-10-10
BR7501339A (pt) 1975-12-09
CA1039908A (en) 1978-10-10

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