FR527146A - Procédé pour solubiliser des chlorures de ketone par des alcalis - Google Patents
Procédé pour solubiliser des chlorures de ketone par des alcalisInfo
- Publication number
- FR527146A FR527146A FR527146A FR527146DA FR527146A FR 527146 A FR527146 A FR 527146A FR 527146 A FR527146 A FR 527146A FR 527146D A FR527146D A FR 527146DA FR 527146 A FR527146 A FR 527146A
- Authority
- FR
- France
- Prior art keywords
- alkalis
- chlorides
- ketone
- dissolving
- dissolving ketone
- 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
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
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR527146T | 1920-06-02 | ||
NL20288A NL10632C (fr) | 1920-06-02 | 1921-09-05 | |
GB32637/21A GB189561A (en) | 1920-06-02 | 1921-09-05 | Improvements in processes for dissolving by means of alkalies, the organic products obtained by the chlorination of cellulose materials |
DEV16838D DE382518C (de) | 1920-06-02 | 1921-09-07 | Verfahren zur Reinigung mit Chlor behandelter Ligno- oder Pektozellulose mit Alkaliloesungen |
US606294A US1516377A (en) | 1920-06-02 | 1922-12-11 | Process of rendering chlorides of ketones soluble by means of alkalies |
GB34619/22A GB198975A (en) | 1920-06-02 | 1922-12-19 | Improvements in processes for dissolving the organic products obtained by the chlorination of cellulose material |
DEV18026D DE398040C (de) | 1920-06-02 | 1922-12-23 | Verfahren zur Reinigung mit Chlor behandelter Ligno- oder Pektozellulose mit Alkaliloesungen |
US669624A US1593487A (en) | 1920-06-02 | 1923-10-19 | Process of rendering chlorides of ketones soluble by treating with sulphites made from waste liquors |
NL10632A NL12784C (fr) | 1920-06-02 | 1923-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR527146A true FR527146A (fr) | 1921-10-20 |
Family
ID=40380434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR527146A Expired FR527146A (fr) | 1920-06-02 | 1920-06-02 | Procédé pour solubiliser des chlorures de ketone par des alcalis |
Country Status (5)
Country | Link |
---|---|
US (2) | US1516377A (fr) |
DE (2) | DE382518C (fr) |
FR (1) | FR527146A (fr) |
GB (2) | GB189561A (fr) |
NL (2) | NL10632C (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE971953C (de) * | 1951-11-13 | 1959-04-23 | A Hering Ag | Verfahren und Einrichtung zum Aufschliessen von Pflanzenfaserstoffen |
-
1920
- 1920-06-02 FR FR527146A patent/FR527146A/fr not_active Expired
-
1921
- 1921-09-05 GB GB32637/21A patent/GB189561A/en not_active Expired
- 1921-09-05 NL NL20288A patent/NL10632C/xx active
- 1921-09-07 DE DEV16838D patent/DE382518C/de not_active Expired
-
1922
- 1922-12-11 US US606294A patent/US1516377A/en not_active Expired - Lifetime
- 1922-12-19 GB GB34619/22A patent/GB198975A/en not_active Expired
- 1922-12-23 DE DEV18026D patent/DE398040C/de not_active Expired
-
1923
- 1923-10-19 US US669624A patent/US1593487A/en not_active Expired - Lifetime
- 1923-11-17 NL NL10632A patent/NL12784C/xx active
Also Published As
Publication number | Publication date |
---|---|
US1516377A (en) | 1924-11-18 |
GB198975A (en) | 1923-06-14 |
DE398040C (de) | 1924-06-30 |
NL10632C (fr) | 1924-03-15 |
US1593487A (en) | 1926-07-20 |
GB189561A (en) | 1922-12-05 |
DE382518C (de) | 1923-10-04 |
NL12784C (fr) | 1925-03-16 |
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