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ZA816105B - Process and apparatus for the delignification of pulp - Google Patents

Process and apparatus for the delignification of pulp

Info

Publication number
ZA816105B
ZA816105B ZA816105A ZA816105A ZA816105B ZA 816105 B ZA816105 B ZA 816105B ZA 816105 A ZA816105 A ZA 816105A ZA 816105 A ZA816105 A ZA 816105A ZA 816105 B ZA816105 B ZA 816105B
Authority
ZA
South Africa
Prior art keywords
delignification
pulp
Prior art date
Application number
ZA816105A
Other languages
English (en)
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 ZA816105B publication Critical patent/ZA816105B/xx

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)
ZA816105A 1980-09-05 1981-09-02 Process and apparatus for the delignification of pulp ZA816105B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA816105B true ZA816105B (en) 1982-09-29

Family

ID=22677195

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA816105A ZA816105B (en) 1980-09-05 1981-09-02 Process and apparatus for the delignification of pulp

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
NO813009L (no) 1982-03-08
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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