NO874276D0 - PROCEDURE FOR DELIGNIFICATION AND WHITING OF A LIGNOCELLULOS MASS WITH OXYGEN AND ALKALI. - Google Patents

PROCEDURE FOR DELIGNIFICATION AND WHITING OF A LIGNOCELLULOS MASS WITH OXYGEN AND ALKALI.

Info

Publication number
NO874276D0
NO874276D0 NO874276A NO874276A NO874276D0 NO 874276 D0 NO874276 D0 NO 874276D0 NO 874276 A NO874276 A NO 874276A NO 874276 A NO874276 A NO 874276A NO 874276 D0 NO874276 D0 NO 874276D0
Authority
NO
Norway
Prior art keywords
lignocellulos
delignification
whiting
alkali
oxygen
Prior art date
Application number
NO874276A
Other languages
Norwegian (no)
Other versions
NO874276L (en
Inventor
Eiichi Saito
Sakujiro Oka
Osamu Matsumura
Tadashi Ueda
Shinichiro Kondo
Original Assignee
Oji Paper 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 Oji Paper Co filed Critical Oji Paper Co
Publication of NO874276D0 publication Critical patent/NO874276D0/en
Publication of NO874276L publication Critical patent/NO874276L/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)
NO874276A 1986-10-13 1987-10-13 PROCEDURE FOR DELIGNIFICATION AND WHITING OF A LIGNOCELLULOS MASS WITH OXYGEN AND ALKALI. NO874276L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61241518A JPH0768675B2 (en) 1986-10-13 1986-10-13 Oxygen delignification and bleaching method for cellulose pulp

Publications (2)

Publication Number Publication Date
NO874276D0 true NO874276D0 (en) 1987-10-13
NO874276L NO874276L (en) 1988-04-14

Family

ID=17075535

Family Applications (1)

Application Number Title Priority Date Filing Date
NO874276A NO874276L (en) 1986-10-13 1987-10-13 PROCEDURE FOR DELIGNIFICATION AND WHITING OF A LIGNOCELLULOS MASS WITH OXYGEN AND ALKALI.

Country Status (4)

Country Link
JP (1) JPH0768675B2 (en)
FI (1) FI874478A (en)
NO (1) NO874276L (en)
SE (1) SE8703929L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5011572A (en) * 1989-05-19 1991-04-30 Fmc Corporation Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage
AT404740B (en) 1989-10-30 1999-02-25 Chemiefaser Lenzing Ag Process for the chlorine-free bleaching of pulps
SE522593C2 (en) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech Oxygen gas delignification system and method of pulp of lignocellulosic material
EP1813345A1 (en) * 2006-01-30 2007-08-01 Sulzer Pumpen Ag Method and apparatus for controlling the efficiency of mixing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539286A (en) * 1976-07-13 1978-01-27 Matsushita Electric Ind Co Ltd Production of catalyst body
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp

Also Published As

Publication number Publication date
SE8703929D0 (en) 1987-10-12
JPS6399389A (en) 1988-04-30
SE8703929L (en) 1988-04-14
FI874478A (en) 1988-04-14
FI874478A0 (en) 1987-10-12
JPH0768675B2 (en) 1995-07-26
NO874276L (en) 1988-04-14

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