CA1145106A - Procede d'amelioration des pates mecaniques - Google Patents

Procede d'amelioration des pates mecaniques

Info

Publication number
CA1145106A
CA1145106A CA000356023A CA356023A CA1145106A CA 1145106 A CA1145106 A CA 1145106A CA 000356023 A CA000356023 A CA 000356023A CA 356023 A CA356023 A CA 356023A CA 1145106 A CA1145106 A CA 1145106A
Authority
CA
Canada
Prior art keywords
pulp
mechanical
temperature
treatment
effected
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000356023A
Other languages
English (en)
Inventor
Alan C. Shaw
Adrian J. Barnet
C. Donald Logan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qns Paper Co Ltd
Original Assignee
Qns Paper Co Ltd
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 Qns Paper Co Ltd filed Critical Qns Paper Co Ltd
Priority to CA000356023A priority Critical patent/CA1145106A/fr
Application granted granted Critical
Publication of CA1145106A publication Critical patent/CA1145106A/fr
Expired legal-status Critical Current

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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA000356023A 1980-07-11 1980-07-11 Procede d'amelioration des pates mecaniques Expired CA1145106A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000356023A CA1145106A (fr) 1980-07-11 1980-07-11 Procede d'amelioration des pates mecaniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000356023A CA1145106A (fr) 1980-07-11 1980-07-11 Procede d'amelioration des pates mecaniques

Publications (1)

Publication Number Publication Date
CA1145106A true CA1145106A (fr) 1983-04-26

Family

ID=4117404

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000356023A Expired CA1145106A (fr) 1980-07-11 1980-07-11 Procede d'amelioration des pates mecaniques

Country Status (1)

Country Link
CA (1) CA1145106A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199481A1 (fr) * 1985-04-04 1986-10-29 Caxton Paper Limited Procédé de fabrication de pâtes cellulosiques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199481A1 (fr) * 1985-04-04 1986-10-29 Caxton Paper Limited Procédé de fabrication de pâtes cellulosiques
AU585331B2 (en) * 1985-04-04 1989-06-15 Caxton Paper Ltd. A process for the manufacture of cellulose pulps and cellulose pulps obtained thereby

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Legal Events

Date Code Title Description
MKEX Expiry