FR653285A - Procédé de production de cellulose - Google Patents

Procédé de production de cellulose

Info

Publication number: FR653285A
Authority: FR; France
Prior art keywords: production process; cellulose production; cellulose; production
Prior art date: 1927-04-23
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)

French (fr)

Inventor

Bror Natanael Segerfelt

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.)

1927-04-23

Filing date

1928-04-21

Publication date

1929-03-19

1928-04-21 Application filed filed Critical

1929-03-19 Application granted granted Critical

1929-03-19 Publication of FR653285A publication Critical patent/FR653285A/fr

Status Expired legal-status Critical Current

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
- D21C3/22—Other features of pulping 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
- D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

FR653285D 1927-04-23 1928-04-21 Procédé de production de cellulose Expired FR653285A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE1828511X		1927-04-23

Publications (1)

Publication Number	Publication Date
FR653285A true FR653285A (fr)	1929-03-19

Family

ID=20423729

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR653285D Expired FR653285A (fr)	1927-04-23	1928-04-21	Procédé de production de cellulose

Country Status (3)

Country	Link
US (1)	US1828511A (de)
DE (1)	DE558705C (de)
FR (1)	FR653285A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE748949C (de) *	1938-01-26	1944-11-14	Margarete Possanner Von Ehrent	Verfahren zur Herstellung von Halbzellstoff oder Zellstoff
DE745349C (de) *	1940-09-27	1944-03-31	Martini & Cie	Verfahren zur Herstellung von Edelzellstoff fuer die chemische Weiterverarbeitung sowie von Faserstoff fuer die Erzeugung hochwertiger Papiere, wie Zigarettenpapier, aus Hanf- und Flachsschaeben
DE945972C (de) *	1941-11-22	1956-07-19	Rosenblads Patenter Ab	Verfahren und Vorrichtung zum Entlaugen von Zellstoff

1928
- 1928-04-21 FR FR653285D patent/FR653285A/fr not_active Expired
- 1928-04-21 US US271985A patent/US1828511A/en not_active Expired - Lifetime
- 1928-04-24 DE DES85201D patent/DE558705C/de not_active Expired

Also Published As

Publication number	Publication date
US1828511A (en)	1931-10-20
DE558705C (de)	1932-09-10

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