SE467582B - Saett vid oxygenblekning - Google Patents

Saett vid oxygenblekning

Info

Publication number
SE467582B
SE467582B SE8803705A SE8803705A SE467582B SE 467582 B SE467582 B SE 467582B SE 8803705 A SE8803705 A SE 8803705A SE 8803705 A SE8803705 A SE 8803705A SE 467582 B SE467582 B SE 467582B
Authority
SE
Sweden
Prior art keywords
temperature
delignification zone
pulp
zone
delignification
Prior art date
Application number
SE8803705A
Other languages
English (en)
Swedish (sv)
Other versions
SE8803705L (sv
SE8803705D0 (sv
Inventor
Aa 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
Priority to SE8803705A priority Critical patent/SE467582B/sv
Publication of SE8803705D0 publication Critical patent/SE8803705D0/xx
Priority to CA000614212A priority patent/CA1337843C/en
Priority to FI894949A priority patent/FI91896C/fi
Priority to JP1269259A priority patent/JPH02145883A/ja
Publication of SE8803705L publication Critical patent/SE8803705L/xx
Priority to US07/857,121 priority patent/US5217575A/en
Publication of SE467582B publication Critical patent/SE467582B/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)
SE8803705A 1988-10-18 1988-10-18 Saett vid oxygenblekning SE467582B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8803705A SE467582B (sv) 1988-10-18 1988-10-18 Saett vid oxygenblekning
CA000614212A CA1337843C (en) 1988-10-18 1989-09-28 Process for oxygen bleaching
FI894949A FI91896C (fi) 1988-10-18 1989-10-18 Menetelmä happivalkaisun yhteydessä
JP1269259A JPH02145883A (ja) 1988-10-18 1989-10-18 繊維質セルロースパルプの酸素漂白方法
US07/857,121 US5217575A (en) 1988-10-18 1992-03-24 Process for oxygen bleaching using two vertical reactors

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8803705D0 SE8803705D0 (sv) 1988-10-18
SE8803705L SE8803705L (sv) 1990-04-19
SE467582B true SE467582B (sv) 1992-08-10

Family

ID=20373661

Family Applications (1)

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

Country Status (4)

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

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
SE8803705D0 (sv) 1988-10-18
FI894949A0 (fi) 1989-10-18
JPH02145883A (ja) 1990-06-05
FI91896C (fi) 1994-08-25
FI91896B (fi) 1994-05-13
CA1337843C (en) 1996-01-02

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