CS209923B2 - Method of making the magnesium oxide of higher purity than 98% - Google Patents
Method of making the magnesium oxide of higher purity than 98% Download PDFInfo
- Publication number
- CS209923B2 CS209923B2 CS793112A CS311279A CS209923B2 CS 209923 B2 CS209923 B2 CS 209923B2 CS 793112 A CS793112 A CS 793112A CS 311279 A CS311279 A CS 311279A CS 209923 B2 CS209923 B2 CS 209923B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- brine
- magnesium
- magnesium chloride
- impurities
- calcium
- Prior art date
Links
Classifications
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/02—Magnesia
- C01F5/06—Magnesia by thermal decomposition of magnesium compounds
- C01F5/10—Magnesia by thermal decomposition of magnesium compounds by thermal decomposition of magnesium chloride with water vapour
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- 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)
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT332878A AT357138B (de) | 1978-05-08 | 1978-05-08 | Verfahren zur grosstechnischen gewinnung von magnesiumoxid hoher reinheit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS209923B2 true CS209923B2 (en) | 1981-12-31 |
Family
ID=3548866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS793112A CS209923B2 (en) | 1978-05-08 | 1979-05-05 | Method of making the magnesium oxide of higher purity than 98% |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4255399A (it) |
| AT (1) | AT357138B (it) |
| BR (1) | BR7902772A (it) |
| CA (1) | CA1115029A (it) |
| CS (1) | CS209923B2 (it) |
| DE (1) | DE2915129C2 (it) |
| ES (1) | ES480300A1 (it) |
| FR (1) | FR2425404A1 (it) |
| GB (1) | GB2023563B (it) |
| GR (1) | GR66641B (it) |
| IT (1) | IT1118622B (it) |
| ZA (1) | ZA792020B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT367376B (de) * | 1979-12-06 | 1982-06-25 | Veitscher Magnesitwerke Ag | Verfahren zur abtrennung von eisen-, aluminiumund manganverunreinigungen aus salzsauren magnesiumchloridloesungen |
| AT375328B (de) * | 1980-11-07 | 1984-07-25 | Veitscher Magnesitwerke Ag | Verfahren zur herstellung von sintermagnesia |
| AT388392B (de) * | 1987-06-26 | 1989-06-12 | Veitscher Magnesitwerke Ag | Verfahren zur herstellung von reinem, insbesondere zur herstellung feuerfester erzeugnisse geeignetem magnesiumoxid |
| US5286285A (en) * | 1989-05-05 | 1994-02-15 | Veitscher Magnesitwerke-Actien-Gesellschaft | Finely powdery magnesium hydroxide and a process for preparing thereof |
| US7771682B2 (en) * | 2006-01-31 | 2010-08-10 | Council Of Scientific And Industrial Research | Process for the preparation of magnesia (MgO) from crude Mg (OH)2 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD87773A (it) * | ||||
| DE298415C (it) * | ||||
| BE421469A (it) * | 1936-05-09 | |||
| US2473534A (en) * | 1942-01-23 | 1949-06-21 | Rex B Lloyd | Production of magnesium oxide |
| US3980753A (en) * | 1970-02-20 | 1976-09-14 | Veitscher Magnesitwerke-Aktiengesellschaft | Industrial process of preparing magnesia of high purity |
| AT319188B (de) * | 1970-02-20 | 1974-12-10 | Veitscher Magnesitwerke Ag | Verfahren zur großtechnischen Gewinnung von Magnesiumoxyd hoher Reinheit |
| NO124158B (it) * | 1970-04-16 | 1972-03-13 | Norsk Hydro As | |
| DD117433A1 (it) * | 1975-02-28 | 1976-01-12 | ||
| AT347403B (de) * | 1975-11-20 | 1978-12-27 | Veitscher Magnesitwerke Ag | Verfahren zur grosstechnischen gewinnung von magnesiumoxid hoher reinheit |
| AT340878B (de) * | 1976-04-07 | 1978-01-10 | Veitscher Magnesitwerke Ag | Verfahren zur herstellung von reinem magnesiumoxid |
-
1978
- 1978-05-08 AT AT332878A patent/AT357138B/de not_active IP Right Cessation
-
1979
- 1979-04-12 DE DE2915129A patent/DE2915129C2/de not_active Expired
- 1979-04-16 GR GR58911A patent/GR66641B/el unknown
- 1979-04-23 CA CA326,070A patent/CA1115029A/en not_active Expired
- 1979-04-26 ZA ZA792020A patent/ZA792020B/xx unknown
- 1979-05-03 GB GB7915406A patent/GB2023563B/en not_active Expired
- 1979-05-03 FR FR7911120A patent/FR2425404A1/fr active Granted
- 1979-05-05 CS CS793112A patent/CS209923B2/cs unknown
- 1979-05-07 IT IT67961/79A patent/IT1118622B/it active
- 1979-05-07 ES ES480300A patent/ES480300A1/es not_active Expired
- 1979-05-08 US US06/037,065 patent/US4255399A/en not_active Expired - Lifetime
- 1979-05-08 BR BR7902772A patent/BR7902772A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA1115029A (en) | 1981-12-29 |
| GB2023563B (en) | 1982-07-07 |
| ES480300A1 (es) | 1979-12-16 |
| DE2915129A1 (de) | 1979-11-15 |
| AT357138B (de) | 1980-06-25 |
| GR66641B (it) | 1981-04-03 |
| FR2425404B1 (it) | 1983-06-17 |
| IT7967961A0 (it) | 1979-05-07 |
| GB2023563A (en) | 1980-01-03 |
| DE2915129C2 (de) | 1982-03-25 |
| IT1118622B (it) | 1986-03-03 |
| US4255399A (en) | 1981-03-10 |
| ZA792020B (en) | 1980-04-30 |
| ATA332878A (de) | 1979-11-15 |
| FR2425404A1 (fr) | 1979-12-07 |
| BR7902772A (pt) | 1979-11-27 |
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