FI922945A - FOERFARANDE FOER BLEKNING AV MASSA - Google Patents

FOERFARANDE FOER BLEKNING AV MASSA Download PDF

Info

Publication number
FI922945A
FI922945A FI922945A FI922945A FI922945A FI 922945 A FI922945 A FI 922945A FI 922945 A FI922945 A FI 922945A FI 922945 A FI922945 A FI 922945A FI 922945 A FI922945 A FI 922945A
Authority
FI
Finland
Prior art keywords
massa
foerfarande foer
blekning
foer blekning
foerfarande
Prior art date
Application number
FI922945A
Other languages
Finnish (fi)
Other versions
FI922945A0 (en
Inventor
Jian Er Jiang
Joseph R Phillips
Brian F Greenwood
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of FI922945A0 publication Critical patent/FI922945A0/en
Publication of FI922945A publication Critical patent/FI922945A/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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)
  • Paper (AREA)
FI922945A 1991-06-28 1992-06-25 FOERFARANDE FOER BLEKNING AV MASSA FI922945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72178091A 1991-06-28 1991-06-28

Publications (2)

Publication Number Publication Date
FI922945A0 FI922945A0 (en) 1992-06-25
FI922945A true FI922945A (en) 1992-12-29

Family

ID=24899279

Family Applications (1)

Application Number Title Priority Date Filing Date
FI922945A FI922945A (en) 1991-06-28 1992-06-25 FOERFARANDE FOER BLEKNING AV MASSA

Country Status (7)

Country Link
EP (1) EP0520140A1 (en)
AU (1) AU1282692A (en)
BR (1) BR9202472A (en)
FI (1) FI922945A (en)
MX (1) MX9203191A (en)
NO (1) NO922526L (en)
ZA (1) ZA921843B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
JP3121917B2 (en) * 1992-07-08 2001-01-09 住友重機械工業株式会社 Pulp bleaching method with ozone

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA966604A (en) * 1970-12-21 1975-04-29 Scott Paper Company Kraft pulp bleaching and recovery process
CA1112813A (en) * 1978-04-06 1981-11-24 Arthur W. Kempf Method for extracting ozone-treated fibrous materials
CA1178756A (en) * 1981-06-29 1984-12-04 Shyam S. Bhattacharjee Alkaline extraction initiated ozone bleaching of kraft pulp

Also Published As

Publication number Publication date
BR9202472A (en) 1993-02-09
FI922945A0 (en) 1992-06-25
NO922526D0 (en) 1992-06-26
NO922526L (en) 1992-12-29
EP0520140A1 (en) 1992-12-30
ZA921843B (en) 1992-12-30
MX9203191A (en) 1992-12-01
AU1282692A (en) 1993-01-07

Similar Documents

Publication Publication Date Title
FI920875A (en) FOERFARANDE FOER AVFAERGNING AV AVFALLSPAPPER
FI935784A0 (en) Foerfarande och anordning Foer ozonblekning av massa
FI921149A (en) REAKTIVERING AV HYDROFORMYLERINGSKATALYSATORER
FI920993A (en) FOERFARANDE FOER FRAMSTAELLNING AV GALLIUMFOERENINGAR
FI921037A (en) VAERMESENSOR AV KOMPENSATIONSTYP
FI88701B (en) FOERFARANDE FOER PRODUCERING AV VAETEPEROXID
FI914586A (en) FOERFARANDE FOER FOERMINSKNING AV ASKLASTEN AV EN CELLUFABRIKS PANNANLAEGGNING
FI921103A (en) FOERFARANDE FOER FRAMSTAELLNING AV OXAMID
FI923585A (en) ANVAENDNING AV EN TVAETTPRESS I EN ALKALITILLSATSPROCESS FOER MASS
FI935205A (en) FOERFARANDE FOER FRAMSTAELLNING AV KEMITERMOMEKANISK MASSA
FI925159A0 (en) FOERFARANDE FOER BLEKNING AV MASSA
FI920422A (en) FOERFARANDE FOER YTFOERENING AV KISELHALVLEDARSKIVOR
FI923798A (en) FOERFARANDE FOER BLEKNING AV MASSA
FI922945A (en) FOERFARANDE FOER BLEKNING AV MASSA
FI920926A (en) FOERFARANDE FOER FOERBAETTRING AV STABILITETEN FOER HOEGALKALISKA PROTEASER
FI912871A (en) FOERFARANDE FOER BOEJNING AV GLASSKIVOR
FI88635C (en) Anordning Foer fraesning av jord
FI920823A (en) FOERFARANDE FOER FRAMSTAELLNING AV FETTSYRAHALOGENID
FI914597A (en) FOERFARANDE FOER FRAMSTAELLNING AV GOEDSELMATERIAL
FI911677A (en) GIVARSYSTEM FOER BESTAEMNING AV HISSKORGENS LAEGE
FI934833A (en) FOERFARANDE FOER BLEKNING AV LIGNOCELLULOSAHALTIG MASS
FI910872A0 (en) FOERFARANDE FOER FRAMSTAELLNING AV MEKANISK MASSA.
FI910436A0 (en) ANORDNING FOER BEHANDLING AV MASSA.
FI913965A0 (en) FOERFARANDE FOER TILLVERKNING AV MASSA.
FI88471C (en) Anordning Foer kapning av virke