CA1309562C - Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium - Google Patents

Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium

Info

Publication number
CA1309562C
CA1309562C CA 608736 CA608736A CA1309562C CA 1309562 C CA1309562 C CA 1309562C CA 608736 CA608736 CA 608736 CA 608736 A CA608736 A CA 608736A CA 1309562 C CA1309562 C CA 1309562C
Authority
CA
Canada
Prior art keywords
sulphite
sodium
high yield
wood
sodium carbonate
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
CA 608736
Other languages
English (en)
Inventor
Kwei-Nam Law
Jacques L. Valade
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.)
LAW KWEI NAM
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 608736 priority Critical patent/CA1309562C/fr
Application granted granted Critical
Publication of CA1309562C publication Critical patent/CA1309562C/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

Landscapes

  • Paper (AREA)
CA 608736 1989-08-18 1989-08-18 Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium Expired CA1309562C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 608736 CA1309562C (fr) 1989-08-18 1989-08-18 Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 608736 CA1309562C (fr) 1989-08-18 1989-08-18 Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium

Publications (1)

Publication Number Publication Date
CA1309562C true CA1309562C (fr) 1992-11-03

Family

ID=4140468

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 608736 Expired CA1309562C (fr) 1989-08-18 1989-08-18 Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium

Country Status (1)

Country Link
CA (1) CA1309562C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10000889B2 (en) 2007-06-12 2018-06-19 Westrock Mwv, Llc High yield and enhanced performance fiber
US10060075B2 (en) 2007-06-12 2018-08-28 Westrock Mwv, Llc Fiber blend having high yield and enhanced pulp performance and method for making same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10000889B2 (en) 2007-06-12 2018-06-19 Westrock Mwv, Llc High yield and enhanced performance fiber
US10060075B2 (en) 2007-06-12 2018-08-28 Westrock Mwv, Llc Fiber blend having high yield and enhanced pulp performance and method for making same

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Legal Events

Date Code Title Description
MKLA Lapsed