CA1177607A - Traitement chimique de la pate mecanique - Google Patents

Traitement chimique de la pate mecanique

Info

Publication number
CA1177607A
CA1177607A CA000404442A CA404442A CA1177607A CA 1177607 A CA1177607 A CA 1177607A CA 000404442 A CA000404442 A CA 000404442A CA 404442 A CA404442 A CA 404442A CA 1177607 A CA1177607 A CA 1177607A
Authority
CA
Canada
Prior art keywords
reject fraction
range
fraction
reject
pulp
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
CA000404442A
Other languages
English (en)
Inventor
David M. Mackie
Michael Jackson
Original Assignee
MacMillan Bloedel 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 MacMillan Bloedel Ltd filed Critical MacMillan Bloedel Ltd
Application granted granted Critical
Publication of CA1177607A publication Critical patent/CA1177607A/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
    • 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
    • D21C3/12—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites sodium bisulfite

Landscapes

  • Paper (AREA)
CA000404442A 1981-06-10 1982-06-03 Traitement chimique de la pate mecanique Expired CA1177607A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27229181A 1981-06-10 1981-06-10
US272,291 1981-06-10

Publications (1)

Publication Number Publication Date
CA1177607A true CA1177607A (fr) 1984-11-13

Family

ID=23039193

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000404442A Expired CA1177607A (fr) 1981-06-10 1982-06-03 Traitement chimique de la pate mecanique

Country Status (1)

Country Link
CA (1) CA1177607A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708771A (en) * 1984-12-31 1987-11-24 Bear Island Paper Company Two stage process for sulfonating mechanical pulp fibers
US5503710A (en) * 1995-05-31 1996-04-02 Macmillan Bloedel Limited Duplex linerboard formed from old corrugated containers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708771A (en) * 1984-12-31 1987-11-24 Bear Island Paper Company Two stage process for sulfonating mechanical pulp fibers
US5503710A (en) * 1995-05-31 1996-04-02 Macmillan Bloedel Limited Duplex linerboard formed from old corrugated containers

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry