FI894949A0 - Sätt vid oxygenblekning - Google Patents

Sätt vid oxygenblekning

Info

Publication number
FI894949A0
FI894949A0 FI894949A FI894949A FI894949A0 FI 894949 A0 FI894949 A0 FI 894949A0 FI 894949 A FI894949 A FI 894949A FI 894949 A FI894949 A FI 894949A FI 894949 A0 FI894949 A0 FI 894949A0
Authority
FI
Finland
Prior art keywords
oxygen bleaching
bleaching
oxygen
Prior art date
Application number
FI894949A
Other languages
English (en)
Finnish (fi)
Other versions
FI91896C (sv
FI91896B (sv
Inventor
Aoke Backlund
Original Assignee
Kamyr Ab
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 Ab filed Critical Kamyr Ab
Publication of FI894949A0 publication Critical patent/FI894949A0/sv
Application granted granted Critical
Publication of FI91896B publication Critical patent/FI91896B/sv
Publication of FI91896C publication Critical patent/FI91896C/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI894949A 1988-10-18 1989-10-18 Sätt vid oxygenblekning FI91896C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8803705 1988-10-18
SE8803705A SE467582B (sv) 1988-10-18 1988-10-18 Saett vid oxygenblekning

Publications (3)

Publication Number Publication Date
FI894949A0 true FI894949A0 (sv) 1989-10-18
FI91896B FI91896B (sv) 1994-05-13
FI91896C FI91896C (sv) 1994-08-25

Family

ID=20373661

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894949A FI91896C (sv) 1988-10-18 1989-10-18 Sätt vid oxygenblekning

Country Status (4)

Country Link
JP (1) JPH02145883A (sv)
CA (1) CA1337843C (sv)
FI (1) FI91896C (sv)
SE (1) SE467582B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE510740C2 (sv) * 1996-11-26 1999-06-21 Sunds Defibrator Ind Ab Styrning av syrgasdelignifiering
SE522593C2 (sv) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
RU2479619C2 (ru) * 2009-11-17 2013-04-20 Феликс Фердинандович Аухадеев Пульсационное устройство для делигнификации целлюлозосодержащего растительного сырья и способ его работы

Also Published As

Publication number Publication date
SE8803705L (sv) 1990-04-19
FI91896C (sv) 1994-08-25
FI91896B (sv) 1994-05-13
SE467582B (sv) 1992-08-10
SE8803705D0 (sv) 1988-10-18
JPH02145883A (ja) 1990-06-05
CA1337843C (en) 1996-01-02

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Legal Events

Date Code Title Description
BB Publication of examined application
FG Patent granted

Owner name: KAMYR AKTIEBOLAG

PC Transfer of assignment of patent

Owner name: METSO FIBER KARLSTAD AB

Free format text: METSO FIBER KARLSTAD AB