CA1051618A - Methode de production de pates chimico-mecaniques a grand rendement - Google Patents

Methode de production de pates chimico-mecaniques a grand rendement

Info

Publication number
CA1051618A
CA1051618A CA252,642A CA252642A CA1051618A CA 1051618 A CA1051618 A CA 1051618A CA 252642 A CA252642 A CA 252642A CA 1051618 A CA1051618 A CA 1051618A
Authority
CA
Canada
Prior art keywords
pulp
lignocellulosic material
aqueous solution
woody lignocellulosic
sulfite
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
CA252,642A
Other languages
English (en)
Inventor
Prescott E. Gardner
Michael J. Ford
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.)
International Paper Canada Inc
Original Assignee
International Paper Canada Inc
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 International Paper Canada Inc filed Critical International Paper Canada Inc
Priority to CA252,642A priority Critical patent/CA1051618A/fr
Priority to NZ18405177A priority patent/NZ184051A/xx
Priority to US05/838,837 priority patent/US4116758A/en
Application granted granted Critical
Publication of CA1051618A publication Critical patent/CA1051618A/fr
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/02Pretreatment of the raw materials by chemical or physical means
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/04Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
CA252,642A 1976-05-14 1976-05-14 Methode de production de pates chimico-mecaniques a grand rendement Expired CA1051618A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA252,642A CA1051618A (fr) 1976-05-14 1976-05-14 Methode de production de pates chimico-mecaniques a grand rendement
NZ18405177A NZ184051A (en) 1976-05-14 1977-05-09 Production of high yield chemi-mechanical pulp
US05/838,837 US4116758A (en) 1976-05-14 1977-10-03 Method of producing high yield chemimechanical pulps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA252,642A CA1051618A (fr) 1976-05-14 1976-05-14 Methode de production de pates chimico-mecaniques a grand rendement

Publications (1)

Publication Number Publication Date
CA1051618A true CA1051618A (fr) 1979-04-03

Family

ID=4105968

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252,642A Expired CA1051618A (fr) 1976-05-14 1976-05-14 Methode de production de pates chimico-mecaniques a grand rendement

Country Status (2)

Country Link
CA (1) CA1051618A (fr)
NZ (1) NZ184051A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017215877A1 (fr) * 2016-06-17 2017-12-21 Andritz Ag Procédé de production d'une matière fibreuse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017215877A1 (fr) * 2016-06-17 2017-12-21 Andritz Ag Procédé de production d'une matière fibreuse
RU2704362C1 (ru) * 2016-06-17 2019-10-28 Андриц Аг Способ изготовления волокнистого материала
US11535983B2 (en) 2016-06-17 2022-12-27 Andritz Ag Method for producing a fibrous material

Also Published As

Publication number Publication date
NZ184051A (en) 1979-11-01

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