EP2640862A4 - Process for extracting aluminum from aluminous ores - Google Patents
Process for extracting aluminum from aluminous ores Download PDFInfo
- Publication number
- EP2640862A4 EP2640862A4 EP11841479.6A EP11841479A EP2640862A4 EP 2640862 A4 EP2640862 A4 EP 2640862A4 EP 11841479 A EP11841479 A EP 11841479A EP 2640862 A4 EP2640862 A4 EP 2640862A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- extracting aluminum
- aluminous ores
- aluminous
- ores
- extracting
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0015—Obtaining aluminium by wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41547310P | 2010-11-19 | 2010-11-19 | |
PCT/CA2011/001271 WO2012065253A1 (en) | 2010-11-19 | 2011-11-18 | Process for extracting aluminum from aluminous ores |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2640862A1 EP2640862A1 (en) | 2013-09-25 |
EP2640862A4 true EP2640862A4 (en) | 2017-06-21 |
Family
ID=46083447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11841479.6A Withdrawn EP2640862A4 (en) | 2010-11-19 | 2011-11-18 | Process for extracting aluminum from aluminous ores |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130233130A1 (en) |
EP (1) | EP2640862A4 (en) |
AU (1) | AU2011331861A1 (en) |
CA (1) | CA2812309C (en) |
WO (1) | WO2012065253A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112013023907A2 (en) | 2011-03-18 | 2019-09-24 | Orbite Aluminae Inc | process of recovering at least one rare earth element from an aluminum-containing material |
EP2705169A4 (en) | 2011-05-04 | 2015-04-15 | Orbite Aluminae Inc | Processes for recovering rare earth elements from various ores |
AU2012308068B2 (en) | 2011-09-16 | 2015-02-05 | Aem Technologies Inc. | Processes for preparing alumina and various other products |
WO2013104059A1 (en) | 2012-01-10 | 2013-07-18 | Orbite Aluminae Inc. | Processes for treating red mud |
CN104520237B (en) | 2012-03-29 | 2018-05-01 | 奥佰特氧化铝有限公司 | The method for handling flying dust |
WO2014047728A1 (en) | 2012-09-26 | 2014-04-03 | Orbite Aluminae Inc. | Processes for preparing alumina and magnesium chloride by hc1 leaching of various materials |
CN105189357A (en) | 2012-11-14 | 2015-12-23 | 奥佰特氧化铝有限公司 | Methods for purifying aluminium ions |
AU2019271388B2 (en) | 2018-05-18 | 2023-05-18 | California Institute Of Technology | Process to convert reduced sulfur species and water into hydrogen and sulfuric acid |
US20210070656A1 (en) | 2019-08-13 | 2021-03-11 | California Institute Of Technology | Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals |
NZ805275A (en) * | 2021-07-05 | 2024-05-31 | HiPurA Pty Ltd | “process for producing high purity aluminium materials” |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101823742A (en) * | 2010-05-14 | 2010-09-08 | 东北大学 | Method for producing alumina through bauxite acid process |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB120035A (en) * | 1917-09-25 | 1919-03-06 | Norsk Hydro Elektrisk | Improvements in the Production of Alumina Nitrates from Clay, Argillite and similar Minerials. |
US1956139A (en) * | 1930-07-26 | 1934-04-24 | Alterra A G | Process for treating argillaceous material |
US2489309A (en) * | 1946-04-30 | 1949-11-29 | Houdry Process Corp | Preparation of an iron-freed acid treated kaolin catalyst |
US3966909A (en) * | 1974-02-20 | 1976-06-29 | The Anaconda Company | Solvent extraction of aluminum |
US6468483B2 (en) * | 2000-02-04 | 2002-10-22 | Goldendale Aluminum Company | Process for treating alumina-bearing ores to recover metal values therefrom |
CN101842504B (en) * | 2007-05-21 | 2012-11-14 | 奥贝特铝业有限公司 | Processes for extracting aluminum from aluminous ores |
-
2011
- 2011-11-18 EP EP11841479.6A patent/EP2640862A4/en not_active Withdrawn
- 2011-11-18 WO PCT/CA2011/001271 patent/WO2012065253A1/en active Application Filing
- 2011-11-18 CA CA2812309A patent/CA2812309C/en active Active
- 2011-11-18 AU AU2011331861A patent/AU2011331861A1/en not_active Abandoned
- 2011-11-18 US US13/885,922 patent/US20130233130A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101823742A (en) * | 2010-05-14 | 2010-09-08 | 东北大学 | Method for producing alumina through bauxite acid process |
Also Published As
Publication number | Publication date |
---|---|
EP2640862A1 (en) | 2013-09-25 |
CA2812309C (en) | 2014-12-09 |
CA2812309A1 (en) | 2012-05-24 |
AU2011331861A1 (en) | 2013-04-18 |
US20130233130A1 (en) | 2013-09-12 |
WO2012065253A1 (en) | 2012-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130614 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20170522 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22B 21/00 20060101AFI20170516BHEP Ipc: C22B 3/10 20060101ALI20170516BHEP Ipc: C22B 3/26 20060101ALI20170516BHEP Ipc: C22B 3/22 20060101ALI20170516BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20171220 |