FI955519A - Method and apparatus for delignifying chemical pulp - Google Patents

Method and apparatus for delignifying chemical pulp Download PDF

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Publication number
FI955519A
FI955519A FI955519A FI955519A FI955519A FI 955519 A FI955519 A FI 955519A FI 955519 A FI955519 A FI 955519A FI 955519 A FI955519 A FI 955519A FI 955519 A FI955519 A FI 955519A
Authority
FI
Finland
Prior art keywords
chemical pulp
delignifying chemical
delignifying
pulp
chemical
Prior art date
Application number
FI955519A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI955519A0 (en
Inventor
Risto Loeppoenen
Olavi Pikka
Original Assignee
Ahlstrom Machinery 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 Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to FI955519A priority Critical patent/FI955519A/en
Publication of FI955519A0 publication Critical patent/FI955519A0/en
Priority to SE9604217A priority patent/SE9604217L/en
Priority to CA002190573A priority patent/CA2190573A1/en
Publication of FI955519A publication Critical patent/FI955519A/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI955519A 1995-11-16 1995-11-16 Method and apparatus for delignifying chemical pulp FI955519A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI955519A FI955519A (en) 1995-11-16 1995-11-16 Method and apparatus for delignifying chemical pulp
SE9604217A SE9604217L (en) 1995-11-16 1996-11-18 Method and apparatus for delignifying chemical pulp
CA002190573A CA2190573A1 (en) 1995-11-16 1996-11-18 Method and apparatus for delignifying chemical pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI955519A FI955519A (en) 1995-11-16 1995-11-16 Method and apparatus for delignifying chemical pulp

Publications (2)

Publication Number Publication Date
FI955519A0 FI955519A0 (en) 1995-11-16
FI955519A true FI955519A (en) 1997-05-17

Family

ID=8544398

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955519A FI955519A (en) 1995-11-16 1995-11-16 Method and apparatus for delignifying chemical pulp

Country Status (3)

Country Link
CA (1) CA2190573A1 (en)
FI (1) FI955519A (en)
SE (1) SE9604217L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE540043C2 (en) * 2015-11-27 2018-03-06 Valmet Oy Method and system for oxygen delignification of cellulose pulp

Also Published As

Publication number Publication date
SE9604217A0 (en) 1997-05-17
SE9604217D0 (en) 1996-11-18
SE9604217L (en) 1997-05-17
CA2190573A1 (en) 1997-05-17
FI955519A0 (en) 1995-11-16

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY