CA2118776C - Procede de preparation d'alumine a partir de bauxite - Google Patents

Procede de preparation d'alumine a partir de bauxite

Info

Publication number: CA2118776C
Authority: CA; Canada
Prior art keywords: aluminum; bauxite; silica; percent; fusion
Prior art date: 1993-03-10
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 - Fee Related

Application number

CA 2118776

Other languages

English (en)

Other versions

CA2118776A1 (fr

Inventor

William W. Wellborn

Prashant Gatha (Deceased)

Darrell F. Veres

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Washington Mills Electro Minerals Corp Canada

Original Assignee

Washington Mills Electro Minerals Corp Canada

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.)

1993-03-10

Filing date

1994-03-10

Publication date

1998-11-03

1994-03-10 Application filed by Washington Mills Electro Minerals Corp Canada filed Critical Washington Mills Electro Minerals Corp Canada

1994-09-11 Publication of CA2118776A1 publication Critical patent/CA2118776A1/fr

1998-11-03 Application granted granted Critical

1998-11-03 Publication of CA2118776C publication Critical patent/CA2118776C/fr

2014-03-10 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

229910001570 bauxite Inorganic materials 0.000 title claims abstract description 35
238000000034 method Methods 0.000 title claims abstract description 15
238000004519 manufacturing process Methods 0.000 title claims abstract description 8
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title description 9
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 75
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 59
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 40
239000000377 silicon dioxide Substances 0.000 claims abstract description 37
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 33
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 32
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
229910052799 carbon Inorganic materials 0.000 claims abstract description 30
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 29
230000004927 fusion Effects 0.000 claims abstract description 29
229910052782 aluminium Inorganic materials 0.000 claims abstract description 26
239000000203 mixture Substances 0.000 claims abstract description 22
239000012535 impurity Substances 0.000 claims abstract description 19
229910052742 iron Inorganic materials 0.000 claims abstract description 14
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
239000010703 silicon Substances 0.000 claims description 8
238000006243 chemical reaction Methods 0.000 claims description 7
229910052710 silicon Inorganic materials 0.000 claims description 7
229910000519 Ferrosilicon Inorganic materials 0.000 claims description 4
239000010936 titanium Substances 0.000 claims description 4
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
229910052719 titanium Inorganic materials 0.000 claims description 3
238000007885 magnetic separation Methods 0.000 claims description 2
LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims 1
239000003638 chemical reducing agent Substances 0.000 abstract description 23
CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 abstract description 19
238000007500 overflow downdraw method Methods 0.000 abstract description 2
238000000746 purification Methods 0.000 abstract description 2
230000009467 reduction Effects 0.000 description 14
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 12
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 6
239000000292 calcium oxide Substances 0.000 description 6
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
239000000571 coke Substances 0.000 description 6
239000000395 magnesium oxide Substances 0.000 description 6
238000009835 boiling Methods 0.000 description 5
239000000428 dust Substances 0.000 description 5
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 3
230000007062 hydrolysis Effects 0.000 description 3
238000006460 hydrolysis reaction Methods 0.000 description 3
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
230000002411 adverse Effects 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
239000002245 particle Substances 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
235000012239 silicon dioxide Nutrition 0.000 description 2
238000006467 substitution reaction Methods 0.000 description 2
-1 2.5% Chemical compound 0.000 description 1
241001233887 Ania Species 0.000 description 1
235000014676 Phragmites communis Nutrition 0.000 description 1
238000005299 abrasion Methods 0.000 description 1
239000003082 abrasive agent Substances 0.000 description 1
230000035508 accumulation Effects 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
239000013078 crystal Substances 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000007499 fusion processing Methods 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
239000010439 graphite Substances 0.000 description 1
238000009776 industrial production Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
239000013618 particulate matter Substances 0.000 description 1
229910052814 silicon oxide Inorganic materials 0.000 description 1
239000006104 solid solution Substances 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000004408 titanium dioxide Substances 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1
230000004580 weight loss Effects 0.000 description 1

Landscapes

Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

CA 2118776 1993-03-10 1994-03-10 Procede de preparation d'alumine a partir de bauxite Expired - Fee Related CA2118776C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US2910293A	1993-03-10	1993-03-10
US08/029,102		1993-03-10

Publications (2)

Publication Number	Publication Date
CA2118776A1 CA2118776A1 (fr)	1994-09-11
CA2118776C true CA2118776C (fr)	1998-11-03

Family

ID=21847227

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2118776 Expired - Fee Related CA2118776C (fr)	1993-03-10	1994-03-10	Procede de preparation d'alumine a partir de bauxite

Country Status (1)

Country	Link
CA (1)	CA2118776C (fr)

1994
- 1994-03-10 CA CA 2118776 patent/CA2118776C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2118776A1 (fr)	1994-09-11

Legal Events

Date	Code	Title	Description
1994-05-31	EEER	Examination request
2012-03-12	MKLA	Lapsed

Publication	Publication Date	Title
US906339A (en)	1908-12-08	Composition of matter containing alumina and silica.
US1448586A (en)	1923-03-13	Process of manufacturing aluminous abrasives
RU2109078C1 (ru)	1998-04-20	Способ получения металлического магния, способ получения чистого оксида магния (варианты) и способ переработки исходного материала
Chatterjee	2007	Uses of metals and metallic minerals
AU717488B2 (en)	2000-03-30	Method of recovering metals from slags
US677209A (en)	1901-06-25	Purified crystalline alumina.
CN105624448A (zh)	2016-06-01	铸造铝合金熔炼用含稀土除渣精炼熔剂及其制备方法
EP0235291A4 (fr)	1988-01-20	Procede pour l'obtention de laitier de vanadium.
Bose et al.	1986	Production of high purity boron carbide
US4534791A (en)	1985-08-13	Process for treating silicon and ferrosilicon with slag
CA2148923A1 (fr)	1994-05-26	Procede de fabrication d'un alliage utilisant le residu d'aluminium
US4142871A (en)	1979-03-06	Preparation of abrasive material from spent catalysts
CA1092831A (fr)	1981-01-06	Methode de production d'alliages d'alminium-silicium
CA2118776C (fr)	1998-11-03	Procede de preparation d'alumine a partir de bauxite
US3816093A (en)	1974-06-11	Halogenating method of reducing iron and titanium content of alumina-silica ore
GB2259309A (en)	1993-03-10	Ceramic particles
GB2155494A (en)	1985-09-25	Process for carbothermic production of ferroboron or ferroboronsilicon alloy
US3257199A (en)	1966-06-21	Thermal reduction
US3953579A (en)	1976-04-27	Methods of making reactive metal silicide
US4521385A (en)	1985-06-04	Recovery of titanium values
US3914113A (en)	1975-10-21	Titanium carbide preparation
US3106447A (en)	1963-10-08	Recovering magnesium-aluminum spinel from ferro-chromium slag
EP0061816B1 (fr)	1986-04-16	Additif pour incorporer du vanadium dans des alliages ferreux
US5547487A (en)	1996-08-20	Amorphous metal alloy and method of producing same
US4710481A (en)	1987-12-01	Method for melting Ti or a high-Ti alloy in CaO refractories