[go: up one dir, main page]

FI941229A0 - Pulp bleaching process - Google Patents

Pulp bleaching process

Info

Publication number
FI941229A0
FI941229A0 FI941229A FI941229A FI941229A0 FI 941229 A0 FI941229 A0 FI 941229A0 FI 941229 A FI941229 A FI 941229A FI 941229 A FI941229 A FI 941229A FI 941229 A0 FI941229 A0 FI 941229A0
Authority
FI
Finland
Prior art keywords
bleaching process
pulp bleaching
pulp
bleaching
Prior art date
Application number
FI941229A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI98839B (en
FI941229A (en
Inventor
Kaj Henricson
Olavi Pikka
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI941229A priority Critical patent/FI98839B/en
Publication of FI941229A0 publication Critical patent/FI941229A0/en
Priority to FI950200A priority patent/FI950200A/en
Priority to CA002144677A priority patent/CA2144677A1/en
Priority to SE9500926A priority patent/SE511743C3/en
Priority to CA002144825A priority patent/CA2144825A1/en
Priority to SE9500927A priority patent/SE9500927L/en
Publication of FI941229A publication Critical patent/FI941229A/en
Application granted granted Critical
Publication of FI98839B publication Critical patent/FI98839B/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
    • D21C9/147—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)
FI941229A 1994-03-16 1994-03-16 Method for bleaching of pulp FI98839B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI941229A FI98839B (en) 1994-03-16 1994-03-16 Method for bleaching of pulp
FI950200A FI950200A (en) 1994-03-16 1995-01-17 Method for bleaching pulp
CA002144677A CA2144677A1 (en) 1994-03-16 1995-03-15 Method of tcf or ecf bleaching of cellulose pulp
SE9500926A SE511743C3 (en) 1994-03-16 1995-03-16 Ozone bleaching at medium concentration and high temperature
CA002144825A CA2144825A1 (en) 1994-03-16 1995-03-16 Method of bleaching cellulose pulp
SE9500927A SE9500927L (en) 1994-03-16 1995-03-16 Method for tcf or efc bleaching of pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI941229 1994-03-16
FI941229A FI98839B (en) 1994-03-16 1994-03-16 Method for bleaching of pulp

Publications (3)

Publication Number Publication Date
FI941229A0 true FI941229A0 (en) 1994-03-16
FI941229A FI941229A (en) 1995-09-17
FI98839B FI98839B (en) 1997-05-15

Family

ID=8540324

Family Applications (1)

Application Number Title Priority Date Filing Date
FI941229A FI98839B (en) 1994-03-16 1994-03-16 Method for bleaching of pulp

Country Status (3)

Country Link
CA (1) CA2144825A1 (en)
FI (1) FI98839B (en)
SE (1) SE511743C3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105701B (en) 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Method and arrangement for treatment of pulp
CN113897813B (en) * 2021-09-17 2022-10-04 华南理工大学 A kind of method for ozone short-sequence bleaching of eucalyptus wood veneer pulp

Also Published As

Publication number Publication date
SE511743C2 (en) 1999-11-15
SE511743C3 (en) 2000-01-10
CA2144825A1 (en) 1995-09-17
FI98839B (en) 1997-05-15
SE9500926D0 (en) 1995-03-16
SE9500926L (en) 1995-09-17
FI941229A (en) 1995-09-17

Similar Documents

Publication Publication Date Title
FI102301B1 (en) Process for treating cellulose pulp
FI971929A0 (en) Pulp drying device
FI960145A (en) Process for making pulp
FI944928A (en) Procedure for bleaching chemical pulp
FI942968A (en) Process for delignifying a chemical pulp
FI944348A (en) Procedure for bleaching of pulp
FI942970A (en) Process for delignifying a chemical pulp
FI960757A (en) High yield pulp bleaching process
FI956153A (en) Process for making white liquor
FI941229A0 (en) Pulp bleaching process
FI951166A (en) Bleaching method for pulp
FI974284A (en) Bleaching procedure for cellulose pulp
BR9610198A (en) Pulp bleaching process
FI955151A (en) Process for multistage bleaching of pulp
FI103818B1 (en) Pulp Bleaching Process
SE9303819D0 (en) Process for bleaching lignocellulosic pulp
FI943388A0 (en) Procedure for bleaching pulp
FI964863A (en) Process for bleaching of pulp
FI960758A (en) High yield pulp bleaching process
FI964843A (en) Procedure for treating pulp
SE9603166D0 (en) Process for bleaching of pulp comprising ozone bleaching steps
SE9500018L (en) Methods for producing bleached pulp
FI944144A (en) Procedure for bleaching pulp
SE9403203D0 (en) Bleaching of pulp
FI955879A (en) Procedure for bleaching of pulp

Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY

BB Publication of examined application