FR2277037B1 - - Google Patents
Info
- Publication number
- FR2277037B1 FR2277037B1 FR7520525A FR7520525A FR2277037B1 FR 2277037 B1 FR2277037 B1 FR 2277037B1 FR 7520525 A FR7520525 A FR 7520525A FR 7520525 A FR7520525 A FR 7520525A FR 2277037 B1 FR2277037 B1 FR 2277037B1
- Authority
- FR
- France
- 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
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/56—Chlorides
-
- 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
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
- C01F7/306—Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate
-
- 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
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/42—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation
- C01F7/428—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation in an aqueous solution
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- ing And Chemical Polishing (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT541374A AT335974B (en) | 1974-07-01 | 1974-07-01 | PROCESS FOR MANUFACTURING EXTREMELY PURE ALUMINUM OXIDE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2277037A1 FR2277037A1 (en) | 1976-01-30 |
FR2277037B1 true FR2277037B1 (en) | 1981-09-18 |
Family
ID=3575529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7520525A Granted FR2277037A1 (en) | 1974-07-01 | 1975-06-30 | Alumina prodn. by thermal decompsn. of aluminium chloride soln. - using hot combustion gas, with recycling of hydrochloric acid |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT335974B (en) |
DE (1) | DE2525929C3 (en) |
FR (1) | FR2277037A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015176166A1 (en) * | 2014-05-21 | 2015-11-26 | Orbite Technologies Inc. | Processes for decomposing aluminum chloride into alumina |
WO2016049777A1 (en) * | 2014-10-03 | 2016-04-07 | Orbite Technologies Inc. | Methods for purifying aluminum ions |
WO2016134455A1 (en) | 2015-02-23 | 2016-09-01 | Polar Sapphire Ltd. | Process for making high-purity aluminum oxide |
-
1974
- 1974-07-01 AT AT541374A patent/AT335974B/en not_active IP Right Cessation
-
1975
- 1975-06-11 DE DE2525929A patent/DE2525929C3/en not_active Expired
- 1975-06-30 FR FR7520525A patent/FR2277037A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2277037A1 (en) | 1976-01-30 |
ATA541374A (en) | 1976-08-15 |
AT335974B (en) | 1977-04-12 |
DE2525929C3 (en) | 1978-04-06 |
DE2525929A1 (en) | 1976-01-15 |
DE2525929B2 (en) | 1977-08-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |