BR8602446A - Processo para producao continua de alumina - Google Patents
Processo para producao continua de aluminaInfo
- Publication number
- BR8602446A BR8602446A BR8602446A BR8602446A BR8602446A BR 8602446 A BR8602446 A BR 8602446A BR 8602446 A BR8602446 A BR 8602446A BR 8602446 A BR8602446 A BR 8602446A BR 8602446 A BR8602446 A BR 8602446A
- Authority
- BR
- Brazil
- Prior art keywords
- aluminum production
- continuous aluminum
- continuous
- production
- aluminum
- Prior art date
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title 1
- 229910052782 aluminium Inorganic materials 0.000 title 1
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
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- 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
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
-
- 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
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/062—Digestion
- C01F7/0626—Processes making use of tube digestion only
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Nutrition Science (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8508575A FR2582640B1 (fr) | 1985-05-29 | 1985-05-29 | Procede de production continue d'alumine a partir de bauxites a monohydrates, selon le procede bayer |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8602446A true BR8602446A (pt) | 1987-01-27 |
Family
ID=9319948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8602446A BR8602446A (pt) | 1985-05-29 | 1986-05-28 | Processo para producao continua de alumina |
Country Status (19)
Country | Link |
---|---|
US (1) | US4647439A (pt) |
EP (1) | EP0204644B1 (pt) |
JP (1) | JPS61281017A (pt) |
KR (1) | KR900002546B1 (pt) |
CN (1) | CN1004268B (pt) |
AU (1) | AU579933B2 (pt) |
BR (1) | BR8602446A (pt) |
CA (1) | CA1256673A (pt) |
DE (1) | DE3669304D1 (pt) |
ES (1) | ES8704856A1 (pt) |
FR (1) | FR2582640B1 (pt) |
GB (1) | GB2175580B (pt) |
GR (1) | GR861373B (pt) |
HU (1) | HU207970B (pt) |
IE (1) | IE59018B1 (pt) |
IN (1) | IN167249B (pt) |
MY (1) | MY101054A (pt) |
NZ (1) | NZ216296A (pt) |
YU (1) | YU44574B (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122349A (en) * | 1988-10-27 | 1992-06-16 | Aluminiumipari Troszt | Process for producing alumina |
GB8906500D0 (en) * | 1989-03-21 | 1989-05-04 | Shell Int Research | Process for the production of aluminium hydroxide from bauxite |
JP2803510B2 (ja) * | 1993-02-10 | 1998-09-24 | 住友電気工業株式会社 | 光ファイバ用ガラス母材の製造方法および装置 |
CN1074390C (zh) * | 1995-10-11 | 2001-11-07 | 郑州轻金属研究院 | 从含硅矿物的铝土矿中分选铝土矿精矿的方法 |
AUPO376296A0 (en) * | 1996-11-20 | 1996-12-12 | Comalco Aluminium Limited | Removal of silica from bauxite |
KR20000074574A (ko) * | 1999-05-21 | 2000-12-15 | 오근호 | 단당류와 이당류를 이용한 환경 친화성 고농도 유동성 알루미나 현탁액 유동화조제 조성물 제조 |
ES2539680T3 (es) * | 2012-06-20 | 2015-07-03 | Pleason Ventures Ltd | Procedimiento para el procesamiento complejo de bauxita |
CN105271325B (zh) * | 2014-06-27 | 2017-05-24 | 沈阳铝镁设计研究院有限公司 | 一种氧化铝厂碱液槽中碱液加热和碱洗的方法 |
CN105399102A (zh) * | 2014-09-10 | 2016-03-16 | 贵州万方铝化科技开发有限公司 | 对含硅矿物气相脱硅并循环利用含卤素物质的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1202258B (de) * | 1960-11-14 | 1965-10-07 | Almasfuezitoei Timfoeldgyar | Verfahren zum Aufschliessen tonerdehaltiger Materialien, insbesondere Bauxit, mittels Natronlauge |
NL131570C (pt) * | 1963-07-29 | |||
US3413087A (en) * | 1964-03-13 | 1968-11-26 | Reynolds Metals Co | Method for extracting alumina from its ores |
US3497317A (en) * | 1964-12-22 | 1970-02-24 | Vaw Ver Aluminium Werke Ag | Method for continuous extraction of bauxite in a tubular reactor |
DE1592194B2 (de) * | 1967-05-06 | 1970-09-24 | Vereinigte Aluminium-Werke AG, 53OO Bonn | Verfahren und Vorrichtung zur kontinuierlichen Extraktion von Bauxit mit Natriumaluminatlauge durch Rohraufschluß |
US4145398A (en) * | 1974-02-19 | 1979-03-20 | Vereinigte Aluminium-Werke A.G. | Bauxite digestion by caustic alkali with improved heat transfer in tubular reactors |
JPS5422198B2 (pt) * | 1974-09-28 | 1979-08-04 | ||
JPS5154099A (en) * | 1974-11-07 | 1976-05-12 | Sumitomo Chemical Co | Aruminaganjukosekikaraaruminanochushutsuho |
JPS584483B2 (ja) * | 1978-10-04 | 1983-01-26 | 日本電気株式会社 | 高周波高出力トランジスタ増幅器 |
US4218618A (en) * | 1979-02-21 | 1980-08-19 | The University Of Rochester | Apparatus for switching high voltage pulses with picosecond accuracy |
JPS57145029A (en) * | 1981-02-27 | 1982-09-07 | Sumitomo Alum Smelt Co Ltd | Extracting method of alumina from mixed type bauxite |
AU551019B2 (en) * | 1981-05-15 | 1986-04-17 | James W. McDaniel | Reducing iron content of bayer process solutions |
AU558556B2 (en) * | 1981-09-10 | 1987-02-05 | Comalco Limited | Alumina production |
-
1985
- 1985-05-29 FR FR8508575A patent/FR2582640B1/fr not_active Expired
- 1985-09-26 CN CN85107051.5A patent/CN1004268B/zh not_active Expired
-
1986
- 1986-04-29 IN IN327/MAS/86A patent/IN167249B/en unknown
- 1986-05-19 US US06/864,402 patent/US4647439A/en not_active Expired - Fee Related
- 1986-05-25 IE IE139186A patent/IE59018B1/en not_active IP Right Cessation
- 1986-05-26 NZ NZ216296A patent/NZ216296A/xx unknown
- 1986-05-26 YU YU877/86A patent/YU44574B/xx unknown
- 1986-05-27 EP EP86420139A patent/EP0204644B1/fr not_active Expired - Lifetime
- 1986-05-27 DE DE8686420139T patent/DE3669304D1/de not_active Expired - Lifetime
- 1986-05-27 JP JP61122027A patent/JPS61281017A/ja active Granted
- 1986-05-27 CA CA000510124A patent/CA1256673A/fr not_active Expired
- 1986-05-28 GB GB8612896A patent/GB2175580B/en not_active Expired
- 1986-05-28 AU AU58008/86A patent/AU579933B2/en not_active Expired
- 1986-05-28 KR KR1019860004169A patent/KR900002546B1/ko not_active IP Right Cessation
- 1986-05-28 BR BR8602446A patent/BR8602446A/pt not_active IP Right Cessation
- 1986-05-28 GR GR861373A patent/GR861373B/el unknown
- 1986-05-28 ES ES555396A patent/ES8704856A1/es not_active Expired
- 1986-05-29 HU HU862270A patent/HU207970B/hu unknown
-
1987
- 1987-02-16 MY MYPI87000146A patent/MY101054A/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES8704856A1 (es) | 1987-04-16 |
CN85107051A (zh) | 1986-11-26 |
KR900002546B1 (ko) | 1990-04-20 |
FR2582640B1 (fr) | 1987-07-31 |
AU579933B2 (en) | 1988-12-15 |
AU5800886A (en) | 1986-12-04 |
ES555396A0 (es) | 1987-04-16 |
IN167249B (pt) | 1990-09-29 |
YU87786A (en) | 1988-08-31 |
NZ216296A (en) | 1989-11-28 |
GB2175580B (en) | 1989-07-05 |
DE3669304D1 (de) | 1990-04-12 |
MY101054A (en) | 1991-07-16 |
CA1256673A (fr) | 1989-07-04 |
KR860008939A (ko) | 1986-12-19 |
JPH0335246B2 (pt) | 1991-05-27 |
CN1004268B (zh) | 1989-05-24 |
HU207970B (en) | 1993-07-28 |
IE861391L (en) | 1986-11-29 |
US4647439A (en) | 1987-03-03 |
JPS61281017A (ja) | 1986-12-11 |
YU44574B (en) | 1990-10-31 |
GB2175580A (en) | 1986-12-03 |
EP0204644B1 (fr) | 1990-03-07 |
IE59018B1 (en) | 1993-12-15 |
GR861373B (en) | 1986-08-28 |
EP0204644A1 (fr) | 1986-12-10 |
GB8612896D0 (en) | 1986-07-02 |
HUT44978A (en) | 1988-05-30 |
FR2582640A1 (fr) | 1986-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8600681A (pt) | Processo para producao de aluminio e vaso redutor de alumina eletrolitica | |
PT83504B (pt) | Processo para a preparacao de acrilamidas substituidas | |
PT83179B (pt) | Processo para a preparacao de carbinois aril-piperidinicos | |
PT82969A (pt) | Processo para retirar selenio hexavalente de agua | |
PT82989B (pt) | Processo para a preparacao de antibioticos beta-lactamicos | |
BR8604182A (pt) | Processo para producao de eteres | |
BR8602622A (pt) | Processo para preparar poliepoxidos | |
PT83862B (pt) | Processo aperfeicoado para a producao de cerveja | |
BR8504489A (pt) | Processo para a remocao de lama vermelha suspensa de solucoes de alumina | |
BR8605479A (pt) | Processo para controlar a alumina alimentada a celulas de reducao para produzir aluminio | |
PT83344A (pt) | Processo para a preparacao de ypsilon-carbolinas antipsicoticas | |
BR8605891A (pt) | Processo para a preparacao de sulfometilpoliacrilamida | |
BR8604504A (pt) | Processo para producao continua de magnesio | |
BR8602446A (pt) | Processo para producao continua de alumina | |
BR8602643A (pt) | Processo para preparar compostos | |
BR8601923A (pt) | Processo para producao de alumina segundo o processo bayer | |
BR8600058A (pt) | Processo para conversao de octametilcilcotetras-siloxanas em decametilciclopentas-siloxanas | |
BR8600056A (pt) | Processo para separacao continua de isotopos de iranio | |
BR7900845A (pt) | Processo para producao de alumina | |
BR8602098A (pt) | Processo para o curtimento economico ao cromo | |
BR8605092A (pt) | Processo para a preparacao de metacrilamida | |
BR8600360A (pt) | Cuba para producao de aluminio | |
BR8602420A (pt) | Processo para formar butil-toluenodiamina monoterciario | |
BR8603782A (pt) | Processo para fazer alumina | |
PT83154B (pt) | Processo para a preparacao de quinolizino-sulfonamidas |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |