ZA76274B - Oxygen bleaching of pulp in presence of high-silica protector - Google Patents

Oxygen bleaching of pulp in presence of high-silica protector

Info

Publication number
ZA76274B
ZA76274B ZA00760274A ZA76274A ZA76274B ZA 76274 B ZA76274 B ZA 76274B ZA 00760274 A ZA00760274 A ZA 00760274A ZA 76274 A ZA76274 A ZA 76274A ZA 76274 B ZA76274 B ZA 76274B
Authority
ZA
South Africa
Prior art keywords
protector
pulp
silica
oxygen bleaching
bleaching
Prior art date
Application number
ZA00760274A
Inventor
James Cheng Ming Hou
Cheng Ming Hou James
Original Assignee
Potlatch Corp
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 Potlatch Corp filed Critical Potlatch Corp
Publication of ZA76274B publication Critical patent/ZA76274B/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ZA00760274A 1975-02-18 1976-01-19 Oxygen bleaching of pulp in presence of high-silica protector ZA76274B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55027475A 1975-02-18 1975-02-18

Publications (1)

Publication Number Publication Date
ZA76274B true ZA76274B (en) 1976-12-29

Family

ID=24196466

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00760274A ZA76274B (en) 1975-02-18 1976-01-19 Oxygen bleaching of pulp in presence of high-silica protector

Country Status (7)

Country Link
JP (1) JPS5220562B2 (en)
CA (1) CA1062858A (en)
DE (1) DE2552931A1 (en)
FR (1) FR2301632A1 (en)
GB (1) GB1519072A (en)
SE (1) SE7600243L (en)
ZA (1) ZA76274B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007036376A1 (en) * 2007-07-31 2009-02-05 Voith Patent Gmbh Bleached pulp
SE543640C2 (en) * 2019-09-04 2021-05-11 Stora Enso Oyj Fluff pulp from oxygen delignified pulp

Also Published As

Publication number Publication date
FR2301632A1 (en) 1976-09-17
JPS5196505A (en) 1976-08-24
JPS5220562B2 (en) 1977-06-04
FR2301632B1 (en) 1980-06-20
CA1062858A (en) 1979-09-25
DE2552931A1 (en) 1976-09-02
GB1519072A (en) 1978-07-26
SE7600243L (en) 1976-08-19

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