FR1150451A - Improvement in the manufacturing processes of semi-chemical cellulose pulps - Google Patents

Improvement in the manufacturing processes of semi-chemical cellulose pulps

Info

Publication number
FR1150451A
FR1150451A FR1150451DA FR1150451A FR 1150451 A FR1150451 A FR 1150451A FR 1150451D A FR1150451D A FR 1150451DA FR 1150451 A FR1150451 A FR 1150451A
Authority
FR
France
Prior art keywords
semi
improvement
manufacturing processes
chemical cellulose
cellulose pulps
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
Other languages
French (fr)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR1150451A publication Critical patent/FR1150451A/en
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
    • 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
    • D21C3/006—Pulping cellulose-containing materials with compounds not otherwise provided for
FR1150451D 1956-05-04 1956-05-04 Improvement in the manufacturing processes of semi-chemical cellulose pulps Expired FR1150451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1064333X 1956-05-04

Publications (1)

Publication Number Publication Date
FR1150451A true FR1150451A (en) 1958-01-14

Family

ID=9601665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1150451D Expired FR1150451A (en) 1956-05-04 1956-05-04 Improvement in the manufacturing processes of semi-chemical cellulose pulps

Country Status (2)

Country Link
DE (1) DE1064333B (en)
FR (1) FR1150451A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293309A1 (en) * 1987-05-25 1988-11-30 Elf Atochem S.A. Process for producing chemithermomechanical pulps

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104838065A (en) * 2012-12-12 2015-08-12 巴斯夫欧洲公司 Use of sodium dithionite in cellulose pulping process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1451125A (en) * 1922-04-21 1923-04-10 Bertrand S Summers Process for the production of paper pulp and the like
DE912169C (en) * 1952-02-22 1954-05-24 Georg Jayme Dr Ing Process for the alkaline digestion of plant substances
DE942553C (en) * 1954-03-11 1956-05-03 Basf Ag Process for the production of cellulose from plant material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293309A1 (en) * 1987-05-25 1988-11-30 Elf Atochem S.A. Process for producing chemithermomechanical pulps
FR2615874A1 (en) * 1987-05-25 1988-12-02 Atochem PROCESS FOR THE PREPARATION OF CHEMICOTHERMOMECHANICAL PASTES

Also Published As

Publication number Publication date
DE1064333B (en) 1959-08-27

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