FR688311A - Process for the manufacture of cellulose - Google Patents
Process for the manufacture of celluloseInfo
- Publication number
- FR688311A FR688311A FR688311DA FR688311A FR 688311 A FR688311 A FR 688311A FR 688311D A FR688311D A FR 688311DA FR 688311 A FR688311 A FR 688311A
- Authority
- FR
- France
- Prior art keywords
- cellulose
- manufacture
- 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
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
- F24H1/106—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3977629A GB347297A (en) | 1929-12-30 | 1929-12-30 | Method of manufacturing cellulose |
Publications (1)
Publication Number | Publication Date |
---|---|
FR688311A true FR688311A (en) | 1930-08-21 |
Family
ID=10411428
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR657770D Expired FR657770A (en) | 1929-12-30 | 1928-07-18 | Cellulose production process |
FR688311D Expired FR688311A (en) | 1929-12-30 | 1930-01-15 | Process for the manufacture of cellulose |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR657770D Expired FR657770A (en) | 1929-12-30 | 1928-07-18 | Cellulose production process |
Country Status (2)
Country | Link |
---|---|
FR (2) | FR657770A (en) |
GB (2) | GB322763A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE967570C (en) * | 1941-12-23 | 1957-11-21 | Phrix Werke Akt Ges | Process for the production of a pulp suitable for the production of viscose from annual plants rich in pentosan |
US2528350A (en) * | 1947-06-05 | 1950-10-31 | Hardwood By Products Inc | Two-step digestion of hardwoods |
US2528351A (en) * | 1950-08-17 | 1950-10-31 | Hardwood By Products Inc | Alkaline sulfite digestion of hardwood |
US2992155A (en) * | 1956-11-06 | 1961-07-11 | Okuno Hiroshi | Process for manufacturing rayon pulp of high purity from bagasse |
DE102007022750A1 (en) * | 2007-05-11 | 2008-11-13 | Voith Patent Gmbh | Process for defibering chemically treated lignocellulosic raw material |
-
1928
- 1928-06-30 GB GB1906328A patent/GB322763A/en not_active Expired
- 1928-07-18 FR FR657770D patent/FR657770A/en not_active Expired
-
1929
- 1929-12-30 GB GB3977629A patent/GB347297A/en not_active Expired
-
1930
- 1930-01-15 FR FR688311D patent/FR688311A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB322763A (en) | 1929-12-02 |
FR657770A (en) | 1929-06-13 |
GB347297A (en) | 1931-04-30 |
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