SE422606B - Forfarande for syragasdelignifiering av lignocellulosahaltigt material - Google Patents

Forfarande for syragasdelignifiering av lignocellulosahaltigt material

Info

Publication number
SE422606B
SE422606B SE7500686A SE7500686A SE422606B SE 422606 B SE422606 B SE 422606B SE 7500686 A SE7500686 A SE 7500686A SE 7500686 A SE7500686 A SE 7500686A SE 422606 B SE422606 B SE 422606B
Authority
SE
Sweden
Prior art keywords
lignocellulosally
procedure
acid gas
gas delignification
delignification
Prior art date
Application number
SE7500686A
Other languages
English (en)
Other versions
SE7500686L (sv
Inventor
H O Samuelson
A G Jamieson
L A Smedman
K I Sondell
Original Assignee
Mo Och Domsjoe 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 Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Priority to SE7500686A priority Critical patent/SE422606B/sv
Priority to GB22637/75A priority patent/GB1505529A/en
Priority to FI751509A priority patent/FI58360C/fi
Priority to DE2523191A priority patent/DE2523191C3/de
Priority to CA228,982A priority patent/CA1036759A/en
Priority to JP50070099A priority patent/JPS5214323B2/ja
Priority to US05/586,114 priority patent/US4050981A/en
Priority to FR7518413A priority patent/FR2274728A1/fr
Priority to BR4812/75D priority patent/BR7503748A/pt
Priority to IT68532/75A priority patent/IT1036296B/it
Priority to NO752103A priority patent/NO145922C/no
Priority to CH770475A priority patent/CH611956A5/xx
Publication of SE7500686L publication Critical patent/SE7500686L/sv
Publication of SE422606B publication Critical patent/SE422606B/sv

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
SE7500686A 1974-06-14 1975-01-22 Forfarande for syragasdelignifiering av lignocellulosahaltigt material SE422606B (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE7500686A SE422606B (sv) 1975-01-22 1975-01-22 Forfarande for syragasdelignifiering av lignocellulosahaltigt material
GB22637/75A GB1505529A (en) 1974-06-14 1975-05-23 Method for the oxygen-gas delignification of lignocellulosic material and apparatus for carrying out the method
FI751509A FI58360C (fi) 1974-06-14 1975-05-23 Foerfarande foer delignifiering av lignocellulosahaltigt material med hjaelp av syreinnehaollande gas och apparatur foer utfoerande av detta foerfarande
DE2523191A DE2523191C3 (de) 1974-06-14 1975-05-26 Verfahren zur Delignizifierung von lignocellulosischem Material
CA228,982A CA1036759A (en) 1974-06-14 1975-06-10 Method for the oxygen-gas delignification of lignocellulosic material and apparatus for carrying out the method
JP50070099A JPS5214323B2 (sv) 1974-06-14 1975-06-10
US05/586,114 US4050981A (en) 1974-06-14 1975-06-11 Process for the delignification of lignocellulosic material by maintaining a concentration of carbon monoxide in the presence of oxygen and alkali
FR7518413A FR2274728A1 (fr) 1974-06-14 1975-06-12 Procede de delignification de matiere lignocellulosique au moyen d'oxygene et appareil pour la mise en oeuvre du procede
BR4812/75D BR7503748A (pt) 1974-06-14 1975-06-13 Processo e aparelho para a deslignificacao de material ligninocelulosico com um gas contendo oxigenio
IT68532/75A IT1036296B (it) 1974-06-14 1975-06-13 Procedimento e dispositivo per la delignificazione di materiali ligno cellulosici mediante ossigeno gassoso
NO752103A NO145922C (no) 1974-06-14 1975-06-13 Fremgangsmaate og apparat for fjernelse av lignin fra lignocelluloseholdige materialer
CH770475A CH611956A5 (sv) 1974-06-14 1975-06-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7500686A SE422606B (sv) 1975-01-22 1975-01-22 Forfarande for syragasdelignifiering av lignocellulosahaltigt material

Publications (2)

Publication Number Publication Date
SE7500686L SE7500686L (sv) 1976-07-23
SE422606B true SE422606B (sv) 1982-03-15

Family

ID=20323464

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7500686A SE422606B (sv) 1974-06-14 1975-01-22 Forfarande for syragasdelignifiering av lignocellulosahaltigt material

Country Status (1)

Country Link
SE (1) SE422606B (sv)

Also Published As

Publication number Publication date
SE7500686L (sv) 1976-07-23

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