FR716302A - Procédé de purification de la cellulose de bois - Google Patents

Procédé de purification de la cellulose de bois

Info

Publication number
FR716302A
FR716302A FR716302DA FR716302A FR 716302 A FR716302 A FR 716302A FR 716302D A FR716302D A FR 716302DA FR 716302 A FR716302 A FR 716302A
Authority
FR
France
Prior art keywords
purification process
wood cellulose
cellulose purification
wood
purification
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
English (en)
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.)
Papeteries Navarre SA
Original Assignee
Papeteries Navarre 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 Papeteries Navarre SA filed Critical Papeteries Navarre SA
Application granted granted Critical
Publication of FR716302A publication Critical patent/FR716302A/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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
FR716302D 1930-09-04 1930-09-04 Procédé de purification de la cellulose de bois Expired FR716302A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR562181X 1930-09-04

Publications (1)

Publication Number Publication Date
FR716302A true FR716302A (fr) 1931-12-18

Family

ID=8944106

Family Applications (2)

Application Number Title Priority Date Filing Date
FR716303D Expired FR716303A (fr) 1930-09-04 1930-09-04 Méthode d'extraction de la cellulose des végétaux et déchets industriels
FR716302D Expired FR716302A (fr) 1930-09-04 1930-09-04 Procédé de purification de la cellulose de bois

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR716303D Expired FR716303A (fr) 1930-09-04 1930-09-04 Méthode d'extraction de la cellulose des végétaux et déchets industriels

Country Status (2)

Country Link
DE (1) DE562181C (fr)
FR (2) FR716303A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2184608B1 (fr) * 1972-05-15 1975-04-04 Owens Illinois Inc

Also Published As

Publication number Publication date
FR716303A (fr) 1931-12-18
DE562181C (de) 1932-10-22

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