FR2173173B1 - - Google Patents
Info
- Publication number
- FR2173173B1 FR2173173B1 FR7306281A FR7306281A FR2173173B1 FR 2173173 B1 FR2173173 B1 FR 2173173B1 FR 7306281 A FR7306281 A FR 7306281A FR 7306281 A FR7306281 A FR 7306281A FR 2173173 B1 FR2173173 B1 FR 2173173B1
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
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- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
-
- 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
- D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1834372A JPS4887101A (fi) | 1972-02-22 | 1972-02-22 | |
JP2915972A JPS4893702A (fi) | 1972-03-23 | 1972-03-23 | |
JP2915872A JPS4893701A (fi) | 1972-03-23 | 1972-03-23 | |
JP2915772A JPS4893703A (fi) | 1972-03-23 | 1972-03-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2173173A1 FR2173173A1 (en) | 1973-10-05 |
FR2173173B1 true FR2173173B1 (fi) | 1975-10-31 |
Family
ID=27456941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7306281A Granted FR2173173A1 (en) | 1972-02-22 | 1973-02-22 | Delignification of wood - for paper paste mfr |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA982758A (fi) |
FR (1) | FR2173173A1 (fi) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE499700C (de) * | 1927-02-14 | 1930-06-12 | Giulio Consiglio | Verfahren zur Herstellung von Zellstoff aus Pflanzenfaserstoffen |
BE503934A (fi) * | 1951-04-12 | |||
FR1262703A (fr) * | 1960-04-21 | 1961-06-05 | Fabrication de pâte à partir de matières ligno-cellulosiques |
-
1973
- 1973-02-15 CA CA164,134A patent/CA982758A/en not_active Expired
- 1973-02-22 FR FR7306281A patent/FR2173173A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2173173A1 (en) | 1973-10-05 |
CA982758A (en) | 1976-02-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |