SE404705B - Forfarande for behandling av hartsinnehallande fibermassor med ozon - Google Patents

Forfarande for behandling av hartsinnehallande fibermassor med ozon

Info

Publication number
SE404705B
SE404705B SE7305756A SE7305756A SE404705B SE 404705 B SE404705 B SE 404705B SE 7305756 A SE7305756 A SE 7305756A SE 7305756 A SE7305756 A SE 7305756A SE 404705 B SE404705 B SE 404705B
Authority
SE
Sweden
Prior art keywords
ozone
procedure
treatment
containing fiber
hair containing
Prior art date
Application number
SE7305756A
Other languages
English (en)
Swedish (sv)
Inventor
F A Abadie-Maumert
N Soteland
Original Assignee
Papirind Forskningsinst
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 Papirind Forskningsinst filed Critical Papirind Forskningsinst
Publication of SE404705B publication Critical patent/SE404705B/xx

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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
    • 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
SE7305756A 1972-04-25 1973-04-24 Forfarande for behandling av hartsinnehallande fibermassor med ozon SE404705B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO01440/72A NO128074B (enrdf_load_stackoverflow) 1972-04-25 1972-04-25

Publications (1)

Publication Number Publication Date
SE404705B true SE404705B (sv) 1978-10-23

Family

ID=19878204

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7305756A SE404705B (sv) 1972-04-25 1973-04-24 Forfarande for behandling av hartsinnehallande fibermassor med ozon

Country Status (3)

Country Link
FI (1) FI54349C (enrdf_load_stackoverflow)
NO (1) NO128074B (enrdf_load_stackoverflow)
SE (1) SE404705B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995023892A1 (en) * 1994-03-04 1995-09-08 Kvaerner Pulping Technologies Ab Method in association with the ozone bleaching of sulfite pulp
WO2002040767A1 (en) * 2000-11-16 2002-05-23 Raisio Chemicals Ltd Method for recovering non-fibrous substances from wood material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995023892A1 (en) * 1994-03-04 1995-09-08 Kvaerner Pulping Technologies Ab Method in association with the ozone bleaching of sulfite pulp
US5605604A (en) * 1994-03-04 1997-02-25 Kvaerner Pulping Aktiebolag Method of reducing the resin content in sulfite pulp
WO2002040767A1 (en) * 2000-11-16 2002-05-23 Raisio Chemicals Ltd Method for recovering non-fibrous substances from wood material

Also Published As

Publication number Publication date
NO128074B (enrdf_load_stackoverflow) 1973-09-24
FI54349B (fi) 1978-07-31
FI54349C (fi) 1978-11-10

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