FR36977E - Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite - Google Patents
Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphiteInfo
- Publication number
- FR36977E FR36977E FR36977DA FR36977E FR 36977 E FR36977 E FR 36977E FR 36977D A FR36977D A FR 36977DA FR 36977 E FR36977 E FR 36977E
- Authority
- FR
- France
- Prior art keywords
- cooking
- regeneration
- elements
- solution
- cellulosic materials
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
- B60B17/0027—Resilient wheels, e.g. resilient hubs
- B60B17/0031—Resilient wheels, e.g. resilient hubs using springs
- B60B17/0034—Resilient wheels, e.g. resilient hubs using springs of rubber or other non-metallic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR490053X | 1926-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR36977E true FR36977E (en) | 1930-09-13 |
Family
ID=8904318
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR628775D Expired FR628775A (en) | 1926-04-21 | 1926-04-21 | Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite |
FR36977D Expired FR36977E (en) | 1926-04-21 | 1929-03-16 | Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite |
FR39929D Expired FR39929E (en) | 1926-04-21 | 1930-07-04 | Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR628775D Expired FR628775A (en) | 1926-04-21 | 1926-04-21 | Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR39929D Expired FR39929E (en) | 1926-04-21 | 1930-07-04 | Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE490053C (en) |
FR (3) | FR628775A (en) |
GB (1) | GB269909A (en) |
NL (1) | NL36519C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2484046A (en) * | 1940-11-22 | 1949-10-11 | Nyman Carl Helmer | Method of treating scale forming liquors |
BE517582A (en) * | 1952-02-21 | |||
DE1013956B (en) * | 1954-10-06 | 1957-08-14 | Bayer Ag | Process for the production of water-soluble, low-sulfur lignosulfo acids and their alkali or ammonium salts |
CN115874477B (en) * | 2021-09-29 | 2024-04-09 | 武夷学院 | Water-soluble fertilizer product prepared from pulping byproducts and application thereof |
CN116144038B (en) * | 2022-11-02 | 2024-05-07 | 华南理工大学 | Method for preparing furfural, lignin sulfonate and high degradable cellulose by integrated multi-process coupling |
-
0
- NL NL36519D patent/NL36519C/xx active
-
1926
- 1926-04-21 FR FR628775D patent/FR628775A/en not_active Expired
-
1927
- 1927-03-29 DE DES79025D patent/DE490053C/en not_active Expired
- 1927-04-21 GB GB10704/27A patent/GB269909A/en not_active Expired
-
1929
- 1929-03-16 FR FR36977D patent/FR36977E/en not_active Expired
-
1930
- 1930-07-04 FR FR39929D patent/FR39929E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL36519C (en) | 1900-01-01 |
FR39929E (en) | 1932-03-19 |
GB269909A (en) | 1928-07-19 |
DE490053C (en) | 1930-01-23 |
FR628775A (en) | 1927-10-28 |
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