NL7305679A - - Google Patents
Info
- Publication number
- NL7305679A NL7305679A NL7305679A NL7305679A NL7305679A NL 7305679 A NL7305679 A NL 7305679A NL 7305679 A NL7305679 A NL 7305679A NL 7305679 A NL7305679 A NL 7305679A NL 7305679 A NL7305679 A NL 7305679A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/468—Purification of calcium sulfates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2230/00—Specific aspects relating to the whole B07B subclass
- B07B2230/01—Wet separation
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1948972A GB1394734A (en) | 1972-04-26 | 1972-04-26 | Process for the purification of waste product calcium sulphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7305679A true NL7305679A (hu) | 1973-10-30 |
Family
ID=10130219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7305679A NL7305679A (hu) | 1972-04-26 | 1973-04-24 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE798628A (hu) |
| DE (1) | DE2320645A1 (hu) |
| FR (1) | FR2182002B1 (hu) |
| GB (1) | GB1394734A (hu) |
| NL (1) | NL7305679A (hu) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146568A (en) | 1977-08-01 | 1979-03-27 | Olin Corporation | Process for reducing radioactive contamination in waste product gypsum |
| DE3021839A1 (de) * | 1980-06-11 | 1981-12-24 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur verminderung der radioaktivitaet von aus phosphoriten hergestelltem calciumsulfat |
| NL8006946A (nl) * | 1980-12-20 | 1982-07-16 | Stamicarbon | Werkwijze voor het winnen van praktisch radiumvrij calciumsulfaat, yttrium en lanthaniden, alsmede calciumsulfaat, yttrium en lanthaniden verkregen volgens deze werkwijze. |
| US4388292A (en) * | 1981-12-14 | 1983-06-14 | United States Gypsum Company | Process for reducing radioactive contamination in phosphogypsum |
| US4424196A (en) | 1982-06-29 | 1984-01-03 | United States Gypsum Company | Phosphohemihydrate process for purification of gypsum |
| US4421731A (en) * | 1982-09-29 | 1983-12-20 | United States Gypsum Company | Process for purifying phosphogypsum |
| RU2031842C1 (ru) * | 1991-07-01 | 1995-03-27 | Юрий Георгиевич Горный | Способ извлечения редкоземельных элементов из фосфатной руды |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE563616A (hu) * | 1956-12-31 | |||
| DE1235211B (de) * | 1965-07-06 | 1967-02-23 | Giulini Gmbh Geb | Verfahren zur Herstellung von Baugips aus bei der Herstellung von Phosphorsaeure anfallendem Calciumsulfat-Dihydrat |
| GB1202893A (en) * | 1967-02-09 | 1970-08-19 | Fisons Ltd | Calcium sulphate hemihydrate |
-
1972
- 1972-04-26 GB GB1948972A patent/GB1394734A/en not_active Expired
-
1973
- 1973-04-24 FR FR7314787A patent/FR2182002B1/fr not_active Expired
- 1973-04-24 BE BE130344A patent/BE798628A/xx not_active IP Right Cessation
- 1973-04-24 DE DE2320645A patent/DE2320645A1/de not_active Withdrawn
- 1973-04-24 NL NL7305679A patent/NL7305679A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2182002B1 (hu) | 1977-07-29 |
| DE2320645A1 (de) | 1973-11-08 |
| FR2182002A1 (hu) | 1973-12-07 |
| GB1394734A (en) | 1975-05-21 |
| BE798628A (fr) | 1973-10-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed |