SE8003910L - Forfarande for miljovenlig blekning av cellulosamassa - Google Patents

Forfarande for miljovenlig blekning av cellulosamassa

Info

Publication number
SE8003910L
SE8003910L SE8003910A SE8003910A SE8003910L SE 8003910 L SE8003910 L SE 8003910L SE 8003910 A SE8003910 A SE 8003910A SE 8003910 A SE8003910 A SE 8003910A SE 8003910 L SE8003910 L SE 8003910L
Authority
SE
Sweden
Prior art keywords
mass
oxygen
delignification
cellulose mass
cellulosamassa
Prior art date
Application number
SE8003910A
Other languages
English (en)
Other versions
SE441193B (sv
Inventor
H O Samuelson
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 SE8003910A priority Critical patent/SE441193B/sv
Publication of SE8003910L publication Critical patent/SE8003910L/sv
Publication of SE441193B publication Critical patent/SE441193B/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)
  • Paper (AREA)
SE8003910A 1980-05-27 1980-05-27 Forfarande for delignifiering av cellulosamassa framstelld genom alkalisk uppslutning av lignocellulosahaltigt material SE441193B (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8003910A SE441193B (sv) 1980-05-27 1980-05-27 Forfarande for delignifiering av cellulosamassa framstelld genom alkalisk uppslutning av lignocellulosahaltigt material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8003910A SE441193B (sv) 1980-05-27 1980-05-27 Forfarande for delignifiering av cellulosamassa framstelld genom alkalisk uppslutning av lignocellulosahaltigt material

Publications (2)

Publication Number Publication Date
SE8003910L true SE8003910L (sv) 1981-11-28
SE441193B SE441193B (sv) 1985-09-16

Family

ID=20341038

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8003910A SE441193B (sv) 1980-05-27 1980-05-27 Forfarande for delignifiering av cellulosamassa framstelld genom alkalisk uppslutning av lignocellulosahaltigt material

Country Status (1)

Country Link
SE (1) SE441193B (sv)

Also Published As

Publication number Publication date
SE441193B (sv) 1985-09-16

Similar Documents

Publication Publication Date Title
SE7801868L (sv) Blekning av lignocellulosamaterial med peroxidhaltiga blekmedel
SE7902901L (sv) Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon
DE3163280D1 (en) Process for the regeneration of waste paper
JPS56128389A (en) Bleaching of pulp by organic peracid
SE8100373L (sv) Forfarande vid ozonblekning av pappersmassa
FR2265908A1 (en) Kraft pulp bleaching and recovery process - using alkali extraction effluents in subsequent bleaching steps
SE8003407L (sv) Forfarande vid syrgasblekning av cellulosamassa
SE8003910L (sv) Forfarande for miljovenlig blekning av cellulosamassa
SE8003911L (sv) Forfarande for syrgasblekning av cellulosamassa
DK0433138T3 (da) Fremgangsmåde til blegning af kemiske cellulosefibermasser
SE8206859L (sv) Forfarande vid delignifierande blekning av cellulosamassa
SE8008337L (sv) Forfarande for delignifiering/blekning av cellulosamassa
ES372563A1 (es) Un procedimiento de obtencion de fibras celulosicas o de mezclas de estas fibras con fibras sinteticas.
ATE171741T1 (de) Verfahren zur herstellung von gebleichten chemithermomechanischen zellstoffen
JPS5296204A (en) Process for bleaching cellulose pulp with peroxides
GB791352A (en) A method of bleaching wood pulps
FR2158873A5 (en) Bleaching of wood cellulose - using nitrogen oxides
GB2132652B (en) Wood treatment compositions and method
FR2398839A1 (fr) Procede de fabrication de pates papetieres chimiques
SE8700313D0 (sv) Procede de blanchiment des pates mecaniques
NO864319L (no) Fremgangsmaate for bleking av kjemisk papirmasse.
SE8107858L (sv) Forfarande vid delignifierande blekning av cellulosamassa
CA989560A (en) Coking of spent pulping liquors used in the alkaline sulfite process
SE9303137D0 (sv) Beredning av kokvätska innehållande sulfif
JPS5324415A (en) Production of water-absorbing cellulosic fiber

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8003910-0

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8003910-0

Format of ref document f/p: F