BR8602446A - Processo para producao continua de alumina - Google Patents

Processo para producao continua de alumina

Info

Publication number: BR8602446A
Authority: BR; Brazil
Prior art keywords: aluminum production; continuous aluminum; continuous; production; aluminum
Prior art date: 1985-05-29

Application number

BR8602446A

Other languages

English (en)

Inventor

Jean Lepetit

Original Assignee

Pechiney Aluminium

Priority date (The priority date 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 date listed.)

1985-05-29

Filing date

1986-05-28

Publication date

1987-01-27

1986-05-28 Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium

1987-01-27 Publication of BR8602446A publication Critical patent/BR8602446A/pt

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)

BR8602446A 1985-05-29 1986-05-28 Processo para producao continua de alumina BR8602446A (pt)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Legal Events

Date	Code	Title	Description
1995-09-26	MM	Lapse due to non-payment of fees (art. 50)

Publication	Publication Date	Title
BR8600681A (pt)	1986-11-04	Processo para producao de aluminio e vaso redutor de alumina eletrolitica
PT83504B (pt)	1989-05-31	Processo para a preparacao de acrilamidas substituidas
PT83179B (pt)	1989-03-30	Processo para a preparacao de carbinois aril-piperidinicos
PT82969A (pt)	1986-08-01	Processo para retirar selenio hexavalente de agua
PT82989B (pt)	1989-01-30	Processo para a preparacao de antibioticos beta-lactamicos
BR8604182A (pt)	1987-04-28	Processo para producao de eteres
BR8602622A (pt)	1987-02-03	Processo para preparar poliepoxidos
PT83862B (pt)	1989-01-17	Processo aperfeicoado para a producao de cerveja
BR8504489A (pt)	1986-07-15	Processo para a remocao de lama vermelha suspensa de solucoes de alumina
BR8605479A (pt)	1987-04-22	Processo para controlar a alumina alimentada a celulas de reducao para produzir aluminio
PT83344A (pt)	1986-10-01	Processo para a preparacao de ypsilon-carbolinas antipsicoticas
BR8605891A (pt)	1987-08-25	Processo para a preparacao de sulfometilpoliacrilamida
BR8604504A (pt)	1987-05-19	Processo para producao continua de magnesio
BR8602446A (pt)	1987-01-27	Processo para producao continua de alumina
BR8602643A (pt)	1987-02-03	Processo para preparar compostos
BR8601923A (pt)	1986-12-30	Processo para producao de alumina segundo o processo bayer
BR8600058A (pt)	1986-09-23	Processo para conversao de octametilcilcotetras-siloxanas em decametilciclopentas-siloxanas
BR8600056A (pt)	1986-09-23	Processo para separacao continua de isotopos de iranio
BR7900845A (pt)	1980-09-16	Processo para producao de alumina
BR8602098A (pt)	1987-01-13	Processo para o curtimento economico ao cromo
BR8605092A (pt)	1987-07-21	Processo para a preparacao de metacrilamida
BR8600360A (pt)	1986-10-14	Cuba para producao de aluminio
BR8602420A (pt)	1987-01-21	Processo para formar butil-toluenodiamina monoterciario
BR8603782A (pt)	1987-03-17	Processo para fazer alumina
PT83154B (pt)	1989-03-30	Processo para a preparacao de quinolizino-sulfonamidas