BR7903021A - Processo para obtencao de alumina muito pura - Google Patents

Processo para obtencao de alumina muito pura

Info

Publication number
BR7903021A
BR7903021A BR7903021A BR7903021A BR7903021A BR 7903021 A BR7903021 A BR 7903021A BR 7903021 A BR7903021 A BR 7903021A BR 7903021 A BR7903021 A BR 7903021A BR 7903021 A BR7903021 A BR 7903021A
Authority
BR
Brazil
Prior art keywords
obtaining
pure aluminum
pure
aluminum
Prior art date
Application number
BR7903021A
Other languages
English (en)
Inventor
J Cohen
A Adjemian
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.)
Filing date
Publication date
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of BR7903021A publication Critical patent/BR7903021A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/306Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/20Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/22Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with halides or halogen acids
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR7903021A 1978-05-18 1979-05-16 Processo para obtencao de alumina muito pura BR7903021A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7815369A FR2426018A1 (fr) 1978-05-18 1978-05-18 Procede d'obtention d'alumine pure par attaque chlorhydrique de minerais alumineux et extraction des impuretes par un traitement sulfurique

Publications (1)

Publication Number Publication Date
BR7903021A true BR7903021A (pt) 1979-12-04

Family

ID=9208618

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7903021A BR7903021A (pt) 1978-05-18 1979-05-16 Processo para obtencao de alumina muito pura

Country Status (27)

Country Link
US (1) US4237102A (pt)
EP (1) EP0006070B1 (pt)
JP (1) JPS54150396A (pt)
AR (1) AR218538A1 (pt)
AT (1) AT375325B (pt)
AU (1) AU530734B2 (pt)
BE (1) BE876361A (pt)
BR (1) BR7903021A (pt)
CA (1) CA1103038A (pt)
DD (1) DD143595A5 (pt)
DE (1) DE2960300D1 (pt)
DK (1) DK203479A (pt)
FR (1) FR2426018A1 (pt)
GR (1) GR65615B (pt)
HU (1) HU184178B (pt)
IL (1) IL57287A (pt)
IS (1) IS2487A7 (pt)
IT (1) IT1114010B (pt)
LU (1) LU81288A1 (pt)
MA (1) MA18437A1 (pt)
MX (1) MX152070A (pt)
NO (1) NO154164C (pt)
NZ (1) NZ190464A (pt)
OA (1) OA06297A (pt)
PL (1) PL115225B1 (pt)
SE (1) SE438668B (pt)
ZA (1) ZA792411B (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO300004B1 (no) * 1994-03-30 1997-03-17 Elkem Materials Fremgangsmåte for gjenvinning av metallklorid fra silisium eller ferrosilisiumlegering som er blitt reagert med kloreringsmidler
US5554352A (en) * 1995-05-09 1996-09-10 Construction Material Resources Processed silica as a natural pozzolan for use as a cementitious component in concrete and concrete products
US6468483B2 (en) 2000-02-04 2002-10-22 Goldendale Aluminum Company Process for treating alumina-bearing ores to recover metal values therefrom
AU2008253545B2 (en) * 2007-05-21 2012-04-12 Orbite Aluminae Inc. Processes for extracting aluminum and iron from aluminous ores
EP2686458A4 (en) 2011-03-18 2015-04-15 Orbite Aluminae Inc METHODS FOR RECOVERING RARE EARTH ELEMENTS FROM ALUMINUM-CONTAINING MATERIALS
EP3141621A1 (en) 2011-05-04 2017-03-15 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
RU2013157943A (ru) 2011-06-03 2015-07-20 Орбит Элюминэ Инк. Способ получения гематита
CA2848751C (en) 2011-09-16 2020-04-21 Orbite Aluminae Inc. Processes for preparing alumina and various other products
BR112014016732A8 (pt) 2012-01-10 2017-07-04 Orbite Aluminae Inc processos para tratar lama vermelha
WO2013142957A1 (en) 2012-03-29 2013-10-03 Orbite Aluminae Inc. Processes for treating fly ashes
MY175471A (en) 2012-07-12 2020-06-29 Orbite Tech Inc Processes for preparing titanium oxide and various other products
CN104507867B (zh) * 2012-07-20 2018-02-09 俄铝工程技术中心有限责任公司 生产氧化铝的方法
CA2877651C (en) * 2012-07-20 2016-10-25 Aleksandr Viktorovich BOGOMAZOV Acid processing of red mud
RU2565217C2 (ru) * 2012-09-13 2015-10-20 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ получения глинозема
JP2015535886A (ja) 2012-09-26 2015-12-17 オーバイト アルミナ インコーポレイテッドOrbite Aluminae Inc. 種々の材料のHCl浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス
CN105189357A (zh) 2012-11-14 2015-12-23 奥佰特氧化铝有限公司 纯化铝离子的方法
WO2014104920A1 (ru) * 2012-12-29 2014-07-03 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ получения глинозема из низкосортного алюминийсодержащего сырья
US11746021B2 (en) 2019-04-18 2023-09-05 Nextchem, Llc High purity aluminum oxide via electrodialysis
EP4015456A1 (en) * 2020-12-17 2022-06-22 SiQAl UG (haftungsbeschränkt) Methods for preparing alumina from a crude aluminum solution using al2(so4)3

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR574983A (fr) * 1923-11-30 1924-07-22 Procédé de production de sels d'aluminium chimiquement purs
US2376696A (en) * 1942-06-10 1945-05-22 Chemical Foundation Inc Production of alumina
GB982098A (en) * 1961-07-10 1965-02-03 Anaconda Co Improvements in production of alumina
US3406010A (en) * 1965-09-08 1968-10-15 Anaconda Co Recovery of pure crystals of aici3.6h2o and production of aluminum oxide product therefrom
DE1592156C3 (de) * 1966-04-04 1978-06-29 Pechiney Compagnie De Produits Chimiques Et Electrometallurgiques, Paris Verfahren zur Aluminiumsulfat- und Beglei tstoffgewinnung aus aluminiumhaltigen Erzen
FR1554586A (pt) * 1966-04-28 1969-01-24
FR1541467A (fr) * 1967-10-19 1968-10-04 Anaconda Co Procédé de séparation de sels métalliques purs à partir de leurs solutions aqueuses impures
FR1558347A (pt) * 1967-10-25 1969-02-28
BE791752A (fr) * 1971-11-25 1973-05-22 Pechiney Aluminium Procede de traitement acide continu des argiles et schistes crus
FR2381718A1 (fr) * 1977-02-28 1978-09-22 Pechiney Aluminium Procede d'obtention d'alumine pure par attaque acide de minerais alumineux contenant d'autres elements
FR2381717A1 (fr) * 1977-02-28 1978-09-22 Pechiney Aluminium Procede d'obtention d'alumine pure par attaque acide de minerais alumineux contenant d'autres elements

Also Published As

Publication number Publication date
IL57287A (en) 1982-07-30
NO154164C (no) 1986-07-30
HU184178B (en) 1984-07-30
AU4707279A (en) 1979-11-22
IL57287A0 (en) 1979-09-30
JPS54150396A (en) 1979-11-26
US4237102A (en) 1980-12-02
DK203479A (da) 1979-11-19
NZ190464A (en) 1982-02-23
SE438668B (sv) 1985-04-29
LU81288A1 (fr) 1979-12-07
FR2426018A1 (fr) 1979-12-14
AR218538A1 (es) 1980-06-13
ZA792411B (en) 1980-05-28
AU530734B2 (en) 1983-07-28
EP0006070B1 (fr) 1981-04-29
FR2426018B1 (pt) 1981-11-27
MA18437A1 (fr) 1979-12-31
ATA364779A (de) 1983-12-15
MX152070A (es) 1985-05-28
BE876361A (fr) 1979-11-19
AT375325B (de) 1984-07-25
NO791639L (no) 1979-11-20
PL115225B1 (en) 1981-03-31
NO154164B (no) 1986-04-21
IS2487A7 (is) 1979-08-03
PL215597A1 (pt) 1980-02-11
DE2960300D1 (en) 1981-08-06
GR65615B (en) 1980-10-14
DD143595A5 (de) 1980-09-03
IT7922699A0 (it) 1979-05-16
SE7904257L (sv) 1979-11-19
JPS5747131B2 (pt) 1982-10-07
OA06297A (fr) 1981-06-30
CA1103038A (fr) 1981-06-16
IT1114010B (it) 1986-01-27
EP0006070A1 (fr) 1979-12-12

Similar Documents

Publication Publication Date Title
BR7903021A (pt) Processo para obtencao de alumina muito pura
IT1079910B (it) Processo per la preparazione di etilenglicol
IT1064958B (it) Processo per la conversione di idrocarburi
BR7901687A (pt) Processo para sintese de amoniaco
IT1132312B (it) Processo per la preparazione di idrocarburi
IT1086031B (it) Processo per la conversione di idrocarburi
IT1088642B (it) Processo per la conversione di idrocarburi
IT1095606B (it) Processo per la sintesi di alchilencarbonati
BR7900845A (pt) Processo para producao de alumina
IT1126413B (it) Processo per la preparazione di idrocarburi
IT1086032B (it) Processo per la conversione di idrocarburi
IT1094563B (it) Processo per la preparazione di idrocarburi
IT1113631B (it) Processo per la preparazione di composti alchilfenolici
IT1089011B (it) Processo per la preparazione di 2-metil-1-epten-6-one
IT1099550B (it) Processo per la determinazione di ferritina
IT1068909B (it) Processo per la conversione di idrocarburi
IT1094560B (it) Processo per la preparazione di idrocarburi
BR7907345A (pt) Processo para obtencao de compostos pirazolicos substancialmente puros
IT1126414B (it) Processo per la preparazione di idrocarburi
BR7901800A (pt) Processo para preparacao de monoetilfosfito de aluminio
BR7604766A (pt) Processo para producao de alumina e cimento hidraulico de alta pureza
IT1123187B (it) Processo per la preparazione di l-alfa-glicerilfosforilcolina
IT1098864B (it) Processo per la preparazione di nitroimidazoli
IT1085531B (it) Processo per la preparazione di 2-alcossi-6-bromo-naftaleni
IT1095438B (it) Processo per la conversione di idrocarburi