SE9403155L - Förfarande för ozonblekning av vedmassa - Google Patents

Förfarande för ozonblekning av vedmassa

Info

Publication number
SE9403155L
SE9403155L SE9403155A SE9403155A SE9403155L SE 9403155 L SE9403155 L SE 9403155L SE 9403155 A SE9403155 A SE 9403155A SE 9403155 A SE9403155 A SE 9403155A SE 9403155 L SE9403155 L SE 9403155L
Authority
SE
Sweden
Prior art keywords
wood pulp
ozone
bleaching
pulp
ozone bleaching
Prior art date
Application number
SE9403155A
Other languages
English (en)
Other versions
SE9403155D0 (sv
Inventor
Lewis D Shackford
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of SE9403155D0 publication Critical patent/SE9403155D0/sv
Publication of SE9403155L publication Critical patent/SE9403155L/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
    • 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)
SE9403155A 1993-09-21 1994-09-21 Förfarande för ozonblekning av vedmassa SE9403155L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12473793A 1993-09-21 1993-09-21

Publications (2)

Publication Number Publication Date
SE9403155D0 SE9403155D0 (sv) 1994-09-21
SE9403155L true SE9403155L (sv) 1995-03-22

Family

ID=22416576

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403155A SE9403155L (sv) 1993-09-21 1994-09-21 Förfarande för ozonblekning av vedmassa

Country Status (3)

Country Link
AT (1) AT403704B (sv)
CA (1) CA2132165A1 (sv)
SE (1) SE9403155L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI981808A (sv) * 1998-08-24 2000-02-25 Crs Reactor Engineering Uk Ltd Förfarande för blekning av massa

Also Published As

Publication number Publication date
AT403704B (de) 1998-05-25
CA2132165A1 (en) 1995-03-22
ATA178894A (de) 1997-09-15
SE9403155D0 (sv) 1994-09-21

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