BR7900845A - Processo para producao de alumina - Google Patents
Processo para producao de aluminaInfo
- Publication number
- BR7900845A BR7900845A BR7900845A BR7900845A BR7900845A BR 7900845 A BR7900845 A BR 7900845A BR 7900845 A BR7900845 A BR 7900845A BR 7900845 A BR7900845 A BR 7900845A BR 7900845 A BR7900845 A BR 7900845A
- Authority
- BR
- Brazil
- Prior art keywords
- production process
- aluminum production
- aluminum
- production
- 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
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
- C01F7/445—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination making use of a fluidised bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/084—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed with heat exchange taking place in the fluidised bed, e.g. combined direct and indirect heat exchange
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/16—Fluidization
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (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 |
---|---|---|---|
AU43201/79A AU518907B2 (en) | 1979-01-08 | 1979-01-08 | Alumina production |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7900845A true BR7900845A (pt) | 1980-09-16 |
Family
ID=3730418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7900845A BR7900845A (pt) | 1979-01-08 | 1979-02-12 | Processo para producao de alumina |
Country Status (5)
Country | Link |
---|---|
US (1) | US4224288A (pt) |
AU (1) | AU518907B2 (pt) |
BR (1) | BR7900845A (pt) |
CA (1) | CA1127375A (pt) |
DE (1) | DE2905291A1 (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770869A (en) * | 1983-11-07 | 1988-09-13 | Aluminum Company Of America | Steam producing process and products |
US5141734A (en) * | 1983-11-07 | 1992-08-25 | Aluminum Company Of America | Steam producing process |
US4568572A (en) * | 1984-12-24 | 1986-02-04 | Texaco Inc. | Method of forming an alumina coated substrate |
US4585645A (en) * | 1985-04-03 | 1986-04-29 | Aluminum Company Of America | Alpha alumina production in a steam-fluidized reactor |
CA2069628A1 (en) * | 1989-11-27 | 1991-05-28 | George Dennison Fulford | High efficiency process for producing alumina and apparatus therefor |
US5171557A (en) * | 1991-05-28 | 1992-12-15 | Ford Motor Company | Method for silicon nitride precursor solids recovery |
DE69312941T2 (de) * | 1993-11-30 | 1998-03-12 | Alcan Int Ltd | Verfahren und Vorrichtung zur Trocknung von festem Material aus einer Suspension |
DE102010050495B4 (de) * | 2010-11-08 | 2018-05-24 | Outotec Oyj | Verfahren und Anlage zur Herstellung von Aluminiumoxid aus Aluminiumhydroxid |
JP6255842B2 (ja) * | 2013-09-25 | 2018-01-10 | 株式会社Ihi | 流動層乾燥装置 |
WO2022261726A1 (en) * | 2021-06-17 | 2022-12-22 | The University Of Adelaide | Method and apparatus for alumina calcination |
CN114719607A (zh) * | 2022-03-14 | 2022-07-08 | 沈阳铝镁设计研究院有限公司 | 一种氢氧化铝电加热焙烧装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1248038A (fr) * | 1959-10-28 | 1960-12-09 | Electrochimie Electrometallurg | Procédé de fabrication d'alumines anhydres |
US3227521A (en) * | 1961-01-17 | 1966-01-04 | Reynolds Metals Co | Process for producing substantially kappa-phase alumina |
FR1295554A (fr) * | 1961-04-28 | 1962-06-08 | Electrochimie Soc | Dispositif pour la fabrication d'alumines anhydres |
DE1280230B (de) * | 1963-03-07 | 1968-10-17 | Alusuisse | Verfahren zur Herstellung von wasserfreier Tonerde und Vorrichtung fuer dieses Verfahren |
US3408159A (en) * | 1965-01-04 | 1968-10-29 | Sun Oil Co | Preparation of amorphous alumina |
GB1143880A (pt) * | 1967-06-16 | 1900-01-01 | ||
GB1240354A (en) * | 1967-10-06 | 1971-07-21 | Kloeckner Humboldt Deutz Ag | Process for the continuous dehydration of aluminium hydroxide |
US3864461A (en) * | 1972-08-29 | 1975-02-04 | Laporte Industries Ltd | Process for the production of alumina |
-
1979
- 1979-01-08 AU AU43201/79A patent/AU518907B2/en not_active Expired
- 1979-02-06 US US06/010,082 patent/US4224288A/en not_active Expired - Lifetime
- 1979-02-12 CA CA321,248A patent/CA1127375A/en not_active Expired
- 1979-02-12 DE DE19792905291 patent/DE2905291A1/de not_active Withdrawn
- 1979-02-12 BR BR7900845A patent/BR7900845A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
US4224288A (en) | 1980-09-23 |
AU4320179A (en) | 1980-07-17 |
DE2905291A1 (de) | 1980-07-17 |
CA1127375A (en) | 1982-07-13 |
AU518907B2 (en) | 1981-10-29 |
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