FR1298961A - Countercurrent method and apparatus for washing or purifying granular materials or the like - Google Patents
Countercurrent method and apparatus for washing or purifying granular materials or the likeInfo
- Publication number
- FR1298961A FR1298961A FR862695A FR862695A FR1298961A FR 1298961 A FR1298961 A FR 1298961A FR 862695 A FR862695 A FR 862695A FR 862695 A FR862695 A FR 862695A FR 1298961 A FR1298961 A FR 1298961A
- Authority
- FR
- France
- Prior art keywords
- washing
- granular materials
- countercurrent method
- purifying
- purifying granular
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0223—Moving bed of solid material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/028—Flow sheets
- B01D11/0284—Multistage extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR862695A FR1298961A (en) | 1961-05-24 | 1961-05-24 | Countercurrent method and apparatus for washing or purifying granular materials or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR862695A FR1298961A (en) | 1961-05-24 | 1961-05-24 | Countercurrent method and apparatus for washing or purifying granular materials or the like |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1298961A true FR1298961A (en) | 1962-07-20 |
Family
ID=8755751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR862695A Expired FR1298961A (en) | 1961-05-24 | 1961-05-24 | Countercurrent method and apparatus for washing or purifying granular materials or the like |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1298961A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0052337A2 (en) * | 1980-11-19 | 1982-05-26 | Wolff Walsrode Aktiengesellschaft | Purification of cellulose and starch ethers |
EP0053741A1 (en) * | 1980-11-27 | 1982-06-16 | Wolff Walsrode Aktiengesellschaft | Purification of cellulose and starch ethers |
-
1961
- 1961-05-24 FR FR862695A patent/FR1298961A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0052337A2 (en) * | 1980-11-19 | 1982-05-26 | Wolff Walsrode Aktiengesellschaft | Purification of cellulose and starch ethers |
EP0052337A3 (en) * | 1980-11-19 | 1982-06-02 | Wolff Walsrode Aktiengesellschaft | Purification of cellulose and starch ethers |
EP0053741A1 (en) * | 1980-11-27 | 1982-06-16 | Wolff Walsrode Aktiengesellschaft | Purification of cellulose and starch ethers |
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