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NO813009L - Fremgangsmaate og innretning for oksygen-avlignifisering av masse - Google Patents

Fremgangsmaate og innretning for oksygen-avlignifisering av masse

Info

Publication number
NO813009L
NO813009L NO813009A NO813009A NO813009L NO 813009 L NO813009 L NO 813009L NO 813009 A NO813009 A NO 813009A NO 813009 A NO813009 A NO 813009A NO 813009 L NO813009 L NO 813009L
Authority
NO
Norway
Prior art keywords
mass
pulp
reaction zone
consistency
delignification
Prior art date
Application number
NO813009A
Other languages
English (en)
Norwegian (no)
Inventor
Edward F Elton
Vincent L Magnotta
Original Assignee
Black Clawson Co
Air Prod & Chem
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 Black Clawson Co, Air Prod & Chem filed Critical Black Clawson Co
Publication of NO813009L publication Critical patent/NO813009L/no

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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
NO813009A 1980-09-05 1981-09-04 Fremgangsmaate og innretning for oksygen-avlignifisering av masse NO813009L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18451480A 1980-09-05 1980-09-05

Publications (1)

Publication Number Publication Date
NO813009L true NO813009L (no) 1982-03-08

Family

ID=22677195

Family Applications (1)

Application Number Title Priority Date Filing Date
NO813009A NO813009L (no) 1980-09-05 1981-09-04 Fremgangsmaate og innretning for oksygen-avlignifisering av masse

Country Status (8)

Country Link
EP (1) EP0047656A1 (xx)
JP (1) JPS57121687A (xx)
AU (1) AU543014B2 (xx)
CA (1) CA1176408A (xx)
ES (1) ES8205285A1 (xx)
FI (1) FI812725A7 (xx)
NO (1) NO813009L (xx)
ZA (1) ZA816105B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA918978A (en) * 1970-01-08 1973-01-16 G. Jamieson Allan Oxygen bleaching
JPS5119481B2 (xx) * 1973-08-30 1976-06-17
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
ZA816105B (en) 1982-09-29
ES505210A0 (es) 1982-06-01
AU7492281A (en) 1982-03-11
CA1176408A (en) 1984-10-23
FI812725L (fi) 1982-03-06
JPS57121687A (en) 1982-07-29
ES8205285A1 (es) 1982-06-01
EP0047656A1 (en) 1982-03-17
FI812725A7 (fi) 1982-03-06
AU543014B2 (en) 1985-03-28

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