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ZA98380B - Process for the manufacture of a chemical paper pulp. - Google Patents

Process for the manufacture of a chemical paper pulp.

Info

Publication number
ZA98380B
ZA98380B ZA9800380A ZA98380A ZA98380B ZA 98380 B ZA98380 B ZA 98380B ZA 9800380 A ZA9800380 A ZA 9800380A ZA 98380 A ZA98380 A ZA 98380A ZA 98380 B ZA98380 B ZA 98380B
Authority
ZA
South Africa
Prior art keywords
manufacture
paper pulp
chemical paper
chemical
pulp
Prior art date
Application number
ZA9800380A
Inventor
Eric Chauveheid
Johan Devenyns
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of ZA98380B publication Critical patent/ZA98380B/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
ZA9800380A 1997-01-27 1998-01-16 Process for the manufacture of a chemical paper pulp. ZA98380B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9700074A BE1010880A3 (en) 1997-01-27 1997-01-27 Process for producing pulp chemicals.

Publications (1)

Publication Number Publication Date
ZA98380B true ZA98380B (en) 1999-07-16

Family

ID=3890298

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9800380A ZA98380B (en) 1997-01-27 1998-01-16 Process for the manufacture of a chemical paper pulp.

Country Status (5)

Country Link
AU (1) AU6212898A (en)
BE (1) BE1010880A3 (en)
ID (1) ID19674A (en)
WO (1) WO1998032913A1 (en)
ZA (1) ZA98380B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102301B1 (en) * 1994-10-13 1998-11-13 Ahlstrom Machinery Oy Process for treating cellulose pulp
SE504078E (en) * 1995-10-20 2000-01-24 Ahlstrom Machinery Oy Process and apparatus system for treating cellulose pulp with acid to reduce its kappa number

Also Published As

Publication number Publication date
BE1010880A3 (en) 1999-02-02
AU6212898A (en) 1998-08-18
ID19674A (en) 1998-07-30
WO1998032913A1 (en) 1998-07-30

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