BR112013023907A2 - processo de recuperação de ao menos um elemento terra-rara a partir de um material contendo alumínio - Google Patents

processo de recuperação de ao menos um elemento terra-rara a partir de um material contendo alumínio

Info

Publication number
BR112013023907A2
BR112013023907A2 BR112013023907A BR112013023907A BR112013023907A2 BR 112013023907 A2 BR112013023907 A2 BR 112013023907A2 BR 112013023907 A BR112013023907 A BR 112013023907A BR 112013023907 A BR112013023907 A BR 112013023907A BR 112013023907 A2 BR112013023907 A2 BR 112013023907A2
Authority
BR
Brazil
Prior art keywords
aluminum
rare earth
containing material
earth element
recovering
Prior art date
Application number
BR112013023907A
Other languages
English (en)
Inventor
Dittrich Carsten
Primeau Denis
Krivanec Heinz
Fournier Joel
Cristina Garcia Maria
Simoneau Raymond
Boudreault Richard
Original Assignee
Orbite Aluminae Inc
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 Orbite Aluminae Inc filed Critical Orbite Aluminae Inc
Publication of BR112013023907A2 publication Critical patent/BR112013023907A2/pt

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    • 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
    • C22B59/00—Obtaining rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/18—Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • 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
    • C01F15/00—Compounds of thorium
    • 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
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/212—Scandium oxides or hydroxides
    • 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
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/218—Yttrium oxides or hydroxides
    • 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
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/235—Cerium oxides or hydroxides
    • 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
    • C01F5/00—Compounds of magnesium
    • C01F5/02—Magnesia
    • 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
    • C01F7/066—Treatment of the separated residue
    • 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
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/22—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with halides or halogen acids
    • 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
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/306—Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
    • C01G1/02—Oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00—Compounds of copper
    • C01G3/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00—Compounds of molybdenum
    • C01G39/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G45/00—Compounds of manganese
    • C01G45/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G5/00—Compounds of silver
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/04—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/04—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
    • C01G55/004—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G7/00—Compounds of gold
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00—Compounds of zinc
    • C01G9/02—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B15/00—Other processes for the manufacture of iron from iron 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
    • 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
    • C22B21/0015—Obtaining aluminium by wet processes
    • C22B21/0023—Obtaining aluminium by wet processes from waste materials
    • 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
    • C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10—Obtaining alkali metals
    • C22B26/12—Obtaining lithium
    • 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
    • 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
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • 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
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • 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
    • 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
    • C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
    • C22B34/124—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors
    • C22B34/1245—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors containing a halogen ion as active agent
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/34—Obtaining molybdenum
    • 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
    • C22B58/00—Obtaining gallium or indium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/54—Electroplating: Baths therefor from solutions of metals not provided for in groups C25D3/04 - C25D3/50
    • 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

Abstract

processo de recuperação de ao menos um elemento terra-rara a partir de um material contendo alumínio a presente divulgação se refere a processos para a recuperação de elementos terras-raras a partir de um material que contenha alumínio. os processos podem compreender a lixiviação do material que contém alumínio para se obter um lixiviado que compreende ao menos um íon de alumínio, ao menos um íon de ferro, ao menos um elemento terra-rara, e um sólido, e a separação do lixiviado do sóldio. os processos podem compreender também a remoção substancial e seletiva de ao menos um elemento dentre o íon de alumínio e o íon de ferro do lixiviado, e a obtenção opcional de um precipitado. os processos também podem compreender a remoção substancial e seletiva de ao menos um elemento terra-rara do lixiviado e/ou do precipitado.
BR112013023907A 2011-03-18 2012-03-19 processo de recuperação de ao menos um elemento terra-rara a partir de um material contendo alumínio BR112013023907A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161454211P 2011-03-18 2011-03-18
US201161535435P 2011-09-16 2011-09-16
PCT/CA2012/000253 WO2012126092A1 (en) 2011-03-18 2012-03-19 Processes for recovering rare earth elements from aluminum-bearing materials

Publications (1)

Publication Number Publication Date
BR112013023907A2 true BR112013023907A2 (pt) 2019-09-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013023907A BR112013023907A2 (pt) 2011-03-18 2012-03-19 processo de recuperação de ao menos um elemento terra-rara a partir de um material contendo alumínio

Country Status (9)

Country Link
US (2) US9260767B2 (pt)
EP (1) EP2686458A4 (pt)
JP (1) JP2014508863A (pt)
CN (1) CN103534367A (pt)
AU (1) AU2012231686B2 (pt)
BR (1) BR112013023907A2 (pt)
CA (1) CA2829049C (pt)
RU (1) RU2588960C2 (pt)
WO (1) WO2012126092A1 (pt)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2684696C (en) 2007-05-21 2010-10-12 Exploration Orbite Vspa Inc. Processes for extracting aluminum and iron from aluminous ores
CN103534367A (zh) 2011-03-18 2014-01-22 奥贝特铝业有限公司 从含铝材料中回收稀土元素的方法
AU2012250460B2 (en) 2011-05-04 2015-11-26 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
AU2012262586B2 (en) 2011-06-03 2015-05-14 Orbite Aluminae Inc. Methods for preparing hematite
RU2014114938A (ru) 2011-09-16 2015-10-27 Орбит Элюминэ Инк. Способы получения оксида алюминия и разнообразных других продуктов
CA2875776A1 (en) 2012-01-10 2013-07-18 Richard Boudreault Processes for treating red mud
RU2595178C2 (ru) * 2012-03-19 2016-08-20 Орбит Текнолоджиз Инк. Способ извлечения редкоземельных элементов и редких металлов
RU2633579C9 (ru) * 2012-03-29 2017-12-25 Орбит Алюминэ Инк. Способы обработки летучей золы
IN2014MN01918A (pt) * 2012-04-09 2015-07-10 Process Res Ortech Inc
MY190290A (en) 2012-07-12 2022-04-12 Orbite Tech Inc Processes for preparing titanium oxide and various other products
RU2570077C2 (ru) * 2012-08-01 2015-12-10 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ получения глинозема
CA2885255C (en) * 2012-09-26 2015-12-22 Orbite Aluminae Inc. Processes for preparing alumina and magnesium chloride by hc1 leaching of various materials
BR112015011049A2 (pt) 2012-11-14 2017-07-11 Orbite Aluminae Inc métodos para purificação de íons de alumínio
FR3003270B1 (fr) * 2013-03-15 2015-04-17 Eramet Procede de recuperation selective des terres rares d'une solution acide aqueuse de sulfate riche en aluminium et en phosphates
JP6023623B2 (ja) * 2013-03-27 2016-11-09 三和油化工業株式会社 ガリウムの回収方法
CN104263925B (zh) * 2014-09-26 2016-05-25 中国地质科学院矿产综合利用研究所 硫铁矿—离子吸附型稀土复合矿中各组分矿的分离方法
CN104263947A (zh) * 2014-10-14 2015-01-07 瑞科稀土冶金及功能材料国家工程研究中心有限公司 一种含稀土催化剂污泥资源化回收工艺
US9982326B2 (en) * 2014-12-22 2018-05-29 Scandium International Mining Corp. Solvent extraction of scandium from leach solutions
US9982321B2 (en) * 2014-12-29 2018-05-29 Freeport Minerals Corporation Systems and methods for monitoring metal recovery systems
JP5889455B1 (ja) * 2015-02-27 2016-03-22 日本軽金属株式会社 希土類元素の回収方法
JP6554745B2 (ja) * 2015-03-27 2019-08-07 国立研究開発法人日本原子力研究開発機構 スカンジウム及び／又はランタノイドの抽出方法
CN106319218B (zh) * 2015-06-16 2019-12-24 有研稀土新材料股份有限公司 从含稀土的铝硅废料中回收稀土、铝和硅的方法
JP6478113B2 (ja) * 2015-09-23 2019-03-06 三菱マテリアル株式会社 希土類元素の回収方法
CN105349781B (zh) * 2015-12-09 2017-12-08 中国科学院上海有机化学研究所 一种溶剂萃取除铁的方法
CN106906359B (zh) * 2015-12-22 2018-12-11 理查德.亨威克 从硅酸盐矿物收取锂
CN105954269A (zh) * 2016-04-28 2016-09-21 河南理工大学 一种溶液中钪的检测方法
CN106119555B (zh) * 2016-06-23 2018-10-12 中国神华能源股份有限公司 一种从粉煤灰中提取钪的方法
RU2647398C2 (ru) * 2016-08-04 2018-03-15 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Получение скандийсодержащего концентрата и последующее извлечение из него оксида скандия повышенной чистоты
CN110312685A (zh) * 2017-03-09 2019-10-08 贺利氏德国有限两合公司 处理废水的方法
US11028461B2 (en) * 2017-05-11 2021-06-08 Worcester Polytechnic Institute Bauxite residue recycling
JP2020522621A (ja) * 2017-06-08 2020-07-30 アーバン マイニング プロプライエタリー リミテッド リチウムを回収する方法
CN109642269B (zh) * 2017-06-21 2022-05-13 俄铝工程技术中心有限责任公司 从氧化铝生产残留的赤泥中回收钪的方法
CN107557576A (zh) * 2017-08-15 2018-01-09 广东省稀有金属研究所 一种从深海沉积物中提取稀土的方法
US11155897B2 (en) * 2017-11-09 2021-10-26 University Of Kentucky Research Foundation Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste
US11186894B2 (en) * 2017-11-20 2021-11-30 Purdue Research Foundation Preparation of rare earth metals and other chemicals from industrial waste coal ash
CN108411110B (zh) * 2018-06-04 2019-08-16 四川英创环保科技有限公司 一种稀土料液除杂工艺
CN108950247B (zh) * 2018-08-22 2022-07-19 中国科学院上海有机化学研究所 一种萃取体系及其应用
CN109179479A (zh) * 2018-09-28 2019-01-11 中国恩菲工程技术有限公司 提取氟化钪的方法
RU2731951C2 (ru) * 2018-11-28 2020-09-09 Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Способ получения концентрата скандия
CN109628767B (zh) * 2018-12-17 2021-07-27 中铝广西国盛稀土开发有限公司 一种常温高压离子交换制备超高纯稀土氧化物的方法
CN114555539A (zh) 2019-08-13 2022-05-27 加州理工学院 由含钙岩石和矿物生产氧化钙或普通波特兰水泥的工艺
CN110776182B (zh) * 2019-10-24 2022-02-08 华新绿源(内蒙古)环保产业发展有限公司 一种稀土碱法浸出工艺中稀土氨氮废水综合处理的方法
US20210238051A1 (en) * 2020-02-03 2021-08-05 Battelle Memorial Institute Systems and Methods for Separating Yttrium and Strontium
RU2729282C1 (ru) * 2020-03-10 2020-08-05 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ извлечения скандия из скандий-содержащих материалов
CN111394599A (zh) * 2020-04-01 2020-07-10 四川江铜稀土有限责任公司 氟碳铈矿酸浸过程中铁钍渣回收稀土的方法
CN111440945B (zh) * 2020-05-18 2021-08-24 中国科学院过程工程研究所 一种离子液体法稀土钆精制除铝的方法
CN111762818A (zh) * 2020-08-13 2020-10-13 湖南景翌湘台环保高新技术开发有限公司 一种利用废稀土抛光粉中的杂质铁制备硫酸铁的方法及系统
CN113249598B (zh) * 2021-05-18 2022-07-29 江西理工大学 一种从稀土料液中络合分离除铝的方法
CN113952921A (zh) * 2021-08-24 2022-01-21 厦门稀土材料研究所 一种功能化硅材料的制备方法及其在离子型稀土无氨浸出液除杂富集中的应用
WO2023150358A1 (en) * 2022-02-07 2023-08-10 Georgia Tech Research Corporation Method for recovering rare earth elements and other products from ash

Family Cites Families (444)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US558726A (en) 1896-04-21 Process of producing hydrous chlorid of aluminium
US650763A (en) 1898-10-24 1900-05-29 Emile Raynaud Method of obtaining alumina from its ores.
GB120035A (en) 1917-09-25 1919-03-06 Norsk Hydro Elektrisk Improvements in the Production of Alumina Nitrates from Clay, Argillite and similar Minerials.
GB159086A (en) 1920-01-19 1921-02-24 Sven Emil Sieurin An improved process of producing oxide of aluminium from chloride of aluminium
GB153500A (en) 1920-01-19 1920-11-11 Sven Emil Sieurin An improved process of producing oxide of aluminium from chloride of aluminium
US1501873A (en) 1922-03-27 1924-07-15 Tyrer Daniel Manufacture of red oxide of iron
GB195295A (en) 1922-05-05 1923-03-29 Alexandre Louis Pedemonte Improvements in the manufacture of pure alumina
US1494029A (en) 1922-05-17 1924-05-13 Said Scofield Process of separating the constituents of mineral silicates
US1519880A (en) 1922-10-06 1924-12-16 American Lurgi Corp Production of pure alumina
US1760962A (en) 1923-03-13 1930-06-03 Sinclair Refining Co Process for the regeneration of aluminum-chloride sludge
US1701510A (en) 1923-06-15 1929-02-12 Sieurin Sven Emil Production of oxide of aluminum
GB230916A (en) 1923-12-19 1925-03-19 Herbert Wrigley An improved method for the extraction of aluminium materials
US1778083A (en) 1924-10-02 1930-10-14 Ig Farbenindustrie Ag Producing alumina
GB240834A (en) 1924-10-02 1926-05-13 Griesheim Elektron Chem Fab Process for the production of alumina
GB241184A (en) 1924-10-13 1926-05-13 Griesheim Elektron Chem Fab Process for the production of practically iron-free alumina
US1931515A (en) 1926-08-21 1933-10-24 Firm I G Farbenindustrie Ag Process for the manufacture of alumina
GB273999A (en) 1926-09-17 1927-07-14 Allg Ges Fuer Chemische Ind M An improved process for converting high-boiling hydrocarbons, which have been freed from the substances soluble in liquid sulphurous acid, into low-boiling hydrocarbons by means of aluminium chloride
US1868499A (en) 1929-06-07 1932-07-26 Electric Smelting & Aluminum C Process of recovering alumina from silicious materials containing it
US1962498A (en) 1930-01-15 1934-06-12 Nat Smelting Co Process of recovering aluminum as aluminum sulphate
US1956139A (en) 1930-07-26 1934-04-24 Alterra A G Process for treating argillaceous material
US1906467A (en) 1931-07-09 1933-05-02 Dow Chemical Co Distilling hydrochloric acid
GB409710A (en) 1932-08-03 1934-05-03 Chem Fab Buckau Process for the decomposition of siliceous aluminiferous minerals
US1999773A (en) 1933-01-03 1935-04-30 Allied Process Corp Treatment of argillaceous material
US2024026A (en) 1933-11-17 1935-12-10 Warner Chemical Company Recovering lithium compounds
US2189376A (en) 1935-07-29 1940-02-06 Burman Axel Sigurd Method of producing aluminium oxide from aluminiferous raw materials
GB470305A (en) 1935-09-21 1937-08-12 Paul Ippersiel Improvements in and relating to the extraction of alumina from clays, kaolin, bauxites and the like
GB484136A (en) 1936-05-09 1938-05-02 Verwertung Chemisch Tech Verfa Improvements in or relating to methods for the production of pure magnesium compounds, more particularly magnesium oxide
US2144339A (en) 1936-06-05 1939-01-17 Anaconda Copper Mining Co Recovery of magnesium
GB480921A (en) 1937-03-17 1938-03-02 John G Stein & Company Ltd Production of alumina from clay or other aluminous ore
GB490099A (en) 1937-08-23 1938-08-09 Axel Sigurd Burman Improved method of producing pure alumina
US2473534A (en) 1942-01-23 1949-06-21 Rex B Lloyd Production of magnesium oxide
US2376696A (en) 1942-06-10 1945-05-22 Chemical Foundation Inc Production of alumina
GB574818A (en) 1942-08-01 1946-01-22 British Titan Products Cyclical process for the manufacture of titanium dioxide pigments
US2406577A (en) 1942-08-08 1946-08-27 Nat Lead Co Extraction of iron from titaniferous ores
US2413709A (en) 1943-03-31 1947-01-07 John D Hoffman Method of recovering alumina and hydrochloric acid
US2354133A (en) 1943-05-22 1944-07-18 Georgia Kaolin Co Process for producing alumina from clay
US2398493A (en) 1944-02-04 1946-04-16 Int Minerals & Chem Corp Production of magnesium chloride from serpentine
US2471844A (en) 1946-04-12 1949-05-31 Chemical Construction Corp Method for conversion of iron chloride into iron oxide and hydrochloric acid
US2489309A (en) 1946-04-30 1949-11-29 Houdry Process Corp Preparation of an iron-freed acid treated kaolin catalyst
US2642337A (en) 1948-06-09 1953-06-16 Aluminum Co Of America Method of converting crystalline alumina hydrate to alpha alumina
US2663620A (en) 1949-10-29 1953-12-22 Universal Oil Prod Co Preparation of alumina from aluminum chloride hexahydrate
US2648595A (en) 1951-02-10 1953-08-11 Absalom M Kennedy Cyclic process for treating aluminous ores
US2707149A (en) 1952-04-10 1955-04-26 Du Pont Recovery of titanium metal
US2722471A (en) 1952-10-30 1955-11-01 Molybdenum Corp Method for the separation of rare earths
US2806766A (en) 1952-11-28 1957-09-17 Kaiser Aluminium Chem Corp Process of purifying caustic aluminate liquors
US2769686A (en) 1952-12-08 1956-11-06 Robert F Mccullough Recovery of mineral values from leached zone material overlying florida pebble phosphate deposits
US2824783A (en) 1953-02-27 1958-02-25 Donald F Peppard Separation of scandium from aqueous solutions
US2914464A (en) 1953-05-01 1959-11-24 Kellogg M W Co Hydrocarbon conversion process with platinum or palladium containing composite catalyst
US2804375A (en) 1953-05-28 1957-08-27 Nat Distillers Chem Corp Cyclic process for the beneficiation of titania ores and slags
US2780525A (en) 1953-10-08 1957-02-05 Cabot Godfrey L Inc Process and apparatus for the production of aluminum oxide from aluminum chloride
US2815264A (en) 1953-10-09 1957-12-03 George D Calkins Processing of monazite sand
GB745601A (en) 1953-11-19 1956-02-29 Kaiser Aluminium Chem Corp Improvements in or relating to process for treating caustic aluminate liquor
US2771344A (en) 1954-08-05 1956-11-20 Cabot Godfrey L Inc Manufacture of iron oxide pigment
GB798750A (en) 1955-04-01 1958-07-23 Dominion Magnesium Ltd Improvements in the purification or production of titanium
US2848398A (en) 1955-05-11 1958-08-19 Zh Sekitan Sogo Kenkyujo Recovery of gallium compounds from the combustion gases of coal
US2761760A (en) 1955-06-02 1956-09-04 Nat Distillers Prod Corp Process for the manufacture of titanium tetrachloride
US2914381A (en) 1956-06-08 1959-11-24 Horizous Inc Preparation of rutile from ilmenite
GB857245A (en) 1956-10-22 1960-12-29 Anaconda Co Improvements in production of alumina
FR1231638A (fr) 1957-01-15 1960-09-30 Pechiney Procédé de traitement des minerais d'aluminium
GB858026A (en) 1957-12-17 1961-01-04 Fullers Earth Union Ltd Improvements in or relating to the manufacture of alumina
US3013859A (en) 1958-07-15 1961-12-19 Jr Carl William Kuhlman Separation of scandium values from iron values by solvent extraction
US3159452A (en) 1960-02-19 1964-12-01 Gulf Research Development Co Process for recovering thorium and rare earth values
US3104950A (en) 1961-12-11 1963-09-24 Dow Chemical Co Process for the separation of iron and titanium values by extraction and the subsequent preparation of anhydrous titanium dopxode
NL280802A (pt) 1961-07-11
US3211521A (en) 1962-07-30 1965-10-12 Little Inc A Process for removing iron from acidic aluminum-containing solutions
US3479136A (en) 1962-10-31 1969-11-18 Allied Chem Iron free aluminum sulfate
US3413082A (en) 1962-11-13 1968-11-26 Pittsburgh Plate Glass Co Process for recovering zr-values from ores
GB1040131A (pt) 1963-02-21 1900-01-01
US3473919A (en) 1967-06-05 1969-10-21 Armour Ind Chem Co Process for separating iron from aluminum
US3649185A (en) 1967-08-23 1972-03-14 Showa Denko Kk Method for removing impurities in the bayer process
US3540860A (en) 1967-09-13 1970-11-17 Multi Minerals Ltd Acid regeneration
US3642441A (en) 1967-09-14 1972-02-15 Falconbridge Nickel Mines Ltd Treatment of metal chlorides in fluidized beds
FR1558347A (pt) 1967-10-25 1969-02-28
US3545920A (en) 1968-02-26 1970-12-08 Us Interior Process for extracting aluminum from solutions
US3586477A (en) 1968-10-16 1971-06-22 Little Inc A Removal of ferric iron from aqueous solutions of aluminum salts
GB1307319A (en) 1969-04-23 1973-02-21 Us Plywood Champion Papers Inc Reactive substrate for a manifold copy system and its preparation
US3852430A (en) 1970-05-18 1974-12-03 Sued Chemie Ag Method for the production of concentrated hydrohalogen acids and metal oxides
US3658483A (en) 1970-05-18 1972-04-25 Sued Chemie Ag Apparatus for the production of concentrated hydrohalogen acids and metal oxides
US4042664A (en) 1970-05-26 1977-08-16 Deepsea Ventures, Inc. Method for separating metal constituents from ocean floor nodules
US3682592A (en) 1970-07-20 1972-08-08 Pori Inc Treatment of waste hci pickle liquor
US3816605A (en) 1971-04-29 1974-06-11 Vaw Ver Aluminium Werke Ag Method of processing aluminum-containing ores
NO127964B (pt) 1971-07-20 1973-09-10 Sjeldne Jordarter Forskning
BE791752A (fr) 1971-11-25 1973-05-22 Pechiney Aluminium Procede de traitement acide continu des argiles et schistes crus
DE2249274A1 (de) 1972-10-07 1974-04-18 Bayer Ag Herstellung von gefaelltem rotem eisen(iii)-oxid
DE2402464A1 (de) 1973-01-25 1974-11-14 Commw Scient Ind Res Org Verfahren zum veredeln von ilmenit
US3903239A (en) 1973-02-07 1975-09-02 Ontario Research Foundation Recovery of titanium dioxide from ores
HU166061B (pt) 1973-07-07 1975-01-28
ZA735996B (en) 1973-08-31 1975-01-29 A Lowenstein Improvements in alumina production
US4198823A (en) 1974-02-11 1980-04-22 General Motors Corporation Method of generating brake actuating pressure
US3966909A (en) 1974-02-20 1976-06-29 The Anaconda Company Solvent extraction of aluminum
US4048285A (en) 1974-04-04 1977-09-13 Chemokomplex Vegyipari Gep-Es Berendezes Export-Import Vallalat Process for the extraction of alumina from minerals, rocks and industrial by-products
US4172879A (en) 1974-08-12 1979-10-30 Freeport Minerals Company Ferric iron removal from aluminum fluoride solutions
US3957504A (en) 1974-11-11 1976-05-18 Allied Chemical Corporation Membrane hydro-metallurgical extraction process
US4151267A (en) 1975-02-03 1979-04-24 Ferenc Puskas Process for producing alumina
US4085190A (en) 1975-04-29 1978-04-18 Chyn Duog Shiah Production of rutile from ilmenite
CA1079488A (en) 1975-05-06 1980-06-17 Morio Watanabe Treatment method of raw materials containing titanium
DE2524541C2 (de) 1975-06-03 1986-08-21 Aluminium Pechiney, Lyon Verfahren zur thermischen Spaltung von Aluminiumchloridhydrat
US4045537A (en) 1975-07-03 1977-08-30 Reynolds Metals Company Process for recovering soda and alumina values from red mud
SE396364B (sv) 1975-07-28 1977-09-19 Boliden Ab Sett att selektivt utfella aluminium och jern ur losningar med ett ph-verde under 4
US4083923A (en) 1976-01-22 1978-04-11 Toth Aluminum Corporation Process for the production of aluminum chloride and related products
CA1066872A (en) 1976-03-22 1979-11-27 Georg Messner Method and apparatus for the fabrication of pure alumina from al2o3 and silica containing raw materials by leaching with hydrochloric acid
SE7703590L (sv) 1976-04-02 1977-10-03 Inst Atomenergi Sett att utvinna aluminiumoxid
US4133677A (en) 1976-04-05 1979-01-09 Toda Kogyo Corp. Process for producing acicular magnetic metallic particle powder
DE2636854C2 (de) 1976-08-16 1986-08-21 Aluminium Pechiney, Lyon Verfahren zur thermischen Spaltung von Aluminiumchloridhydrat
DE2636855C2 (de) 1976-08-16 1986-08-21 Aluminium Pechiney, Lyon Verfahren zur thermischen Spaltung von Aluminiumchloridhydrat
US4069296A (en) 1976-10-08 1978-01-17 Huang Wen H Process for the extraction of aluminum from aluminum ores
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
CA1088961A (en) 1977-04-14 1980-11-04 John E. Deutschman Disposal of fluoride-containing wastes
US4098868A (en) 1977-04-27 1978-07-04 Uop Inc. Production of titanium trichloride from ilmenite
US4130627A (en) 1977-06-20 1978-12-19 Russ James J Process for recovering mineral values from fly ash
US4107266A (en) 1977-07-22 1978-08-15 The United States Of America As Represented By The Secretary Of The Interior Production of pure alumina from iron contaminated sulfate liquors
US4158042A (en) 1977-10-07 1979-06-12 Alcan Research And Development Limited Recovery of alumina from siliceous minerals
DE2803483C2 (de) * 1978-01-27 1982-08-05 Standard-Messo Duisburg, Gesellschaft für Chemietechnik mbH & Co, 4100 Duisburg Verfahren zur Herstellung von reinem Al↓2↓ O↓3↓ aus Aluminiumerzen
DE2805906C2 (de) 1978-02-13 1986-08-14 Aluminium Pechiney, Lyon Verfahren zur thermischen Spaltung von Aluminiumchloridhydrat
DE2818997C2 (de) 1978-02-17 1980-02-07 Schweizerische Aluminium Ag, Chippis (Schweiz) Verfahren zur Rückgewinnung und Trennung von Gadolinium und Gallium aus Schrott
GB2018230B (en) 1978-03-06 1982-05-19 Uop Inc Manufacture of spheroidal alumina particles
GB2047564B (en) 1978-03-27 1983-01-26 Bend Res Inc Separator membrane and process using such membrane for removing ions from an aqueous solution
DD147185A3 (de) * 1978-04-24 1981-03-25 Siegfried Ziegenbalg Verfahren zur herstellung von reinem aluminiumoxid
FR2426018A1 (fr) 1978-05-18 1979-12-14 Pechiney Aluminium Procede d'obtention d'alumine pure par attaque chlorhydrique de minerais alumineux et extraction des impuretes par un traitement sulfurique
FR2426019A1 (fr) 1978-05-18 1979-12-14 Pechiney Aluminium Procede continu d'obtention d'alumine pure a partir d'une liqueur acide provenant de l'attaque chlorosulfurique d'un minerai alumineux et de purification de la liqueur debarrassee de l'alumine
US4193968A (en) * 1978-10-03 1980-03-18 The Anaconda Company Process for recovering gallium
NO790460L (no) 1979-02-13 1980-08-14 Elkem Spigerverket As Fremstilling av et rent aluminiumoksyd fra loesninger inneholdende opploeste aluminiumioner og jernioner
NO147516C (no) 1979-02-13 1983-04-27 Elkem Spigerverket As Fremgangsmaate for utfelling av et rent aluminiumklorid fra loesninger som inneholder aluminium- og magnesiumioner.
US4233273A (en) 1979-02-16 1980-11-11 Amax Inc. Selective extraction of iron and aluminum from acidic solutions
IN151044B (pt) 1980-04-30 1983-02-12 Dalmia Inst Scient Ind Res
US4259311A (en) 1979-07-24 1981-03-31 The United States Of America As Represented By The Secretary Of The Interior Decomposition of AlCl3.6H2 O in H2 atmosphere
LU81601A1 (fr) 1979-08-13 1981-03-24 Metallurgie Hoboken Procede pour separer le fer trivalent d'une solution aqueuse de chlorures
US4239735A (en) 1979-09-06 1980-12-16 The United States Of America, As Represented By The Secretary Of The Interior Removal of impurites from clay
US4318896A (en) 1980-04-14 1982-03-09 Uop Inc. Manufacture of alumina particles
HU184318B (en) 1980-08-26 1984-08-28 Tatabanyai Szenbanyak Process for reducing iron content of raw materialsprocess for decreasing the iron content of raw mat containing iron, silicon and aluminium, as well aerials conta ining iron, silicon and aluminium ands for producing in the given case aluminium oxide for preparing iron oxide further in a given case aluminium oxide concentrate concentrate
US4411771A (en) 1980-12-24 1983-10-25 American Cyanamid Company Process for hydrotreating heavy hydrocarbons and catalyst used in said process
JPS6042174B2 (ja) 1980-11-27 1985-09-20 堺化学工業株式会社 針状酸化第二鉄の製造方法
CA1176470A (en) 1981-08-06 1984-10-23 Eric Livesey-Goldblatt Production of aluminium and uranium products
US4378275A (en) 1981-12-03 1983-03-29 Saudi-Sudanese Red Sea Joint Commission Metal sulphide extraction
US4392987A (en) 1981-12-30 1983-07-12 W. R. Grace & Co. Alumina spheroids with controlled small particle size and a process for producing them
HU187654B (en) 1982-02-26 1986-02-28 Ajkai Timfoeldgyar Aluminium Process for reduction of damages in production of aluminium oxid of bayer system
US4362703A (en) 1982-03-01 1982-12-07 Iowa State University Research Foundation, Inc. Process for preparing cryolite from fly ash
US4402932A (en) 1982-05-07 1983-09-06 The United States Of America As Represented By The Secretary Of The Interior Thermal decomposition of aluminum chloride hexahydrate
US4435365A (en) 1982-05-12 1984-03-06 Kerr-Mcgee Chemical Corporation Process for producing titanium tetrachloride
US4465566A (en) 1982-07-20 1984-08-14 Atlantic Richfield Company Method of producing anhydrous aluminum chloride from acid leach-derived ACH and the production of aluminum therefrom
US4465659A (en) 1982-07-21 1984-08-14 Atlantic Richfield Company Aluminum production via the chlorination of partially calcined aluminum chloride hexahydrate
US4634581A (en) 1983-08-03 1987-01-06 Atlantic Richfield Company Production of high purity alumina
NL191535C (nl) 1983-08-03 1995-09-04 Rwe Dea Ag Werkwijze voor het bereiden van zuiver aluminiumoxide.
US4560541A (en) * 1984-03-15 1985-12-24 Atlantic Richfield Company Production of low silica content, high purity alumina
DK189784D0 (da) 1984-04-12 1984-04-12 Niro Atomizer As Fremgangsmaade og apparat til behandling af biprodukter fra roeggasafsvovlning
US4650541A (en) 1984-09-12 1987-03-17 The United States Of America As Represented By The United States Department Of Energy Apparatus and method for the horizontal, crucible-free growth of silicon sheet crystals
US4567026A (en) 1984-10-24 1986-01-28 Internorth, Inc. Method for extraction of iron aluminum and titanium from coal ash
DE3440911C2 (de) 1984-11-09 1997-08-21 Bayer Ag Verfahren zur Herstellung plättchenförmiger Eisenoxidpigmente
FR2586260B2 (fr) 1984-12-03 1991-04-19 Air Liquide Procede de mise en oeuvre de gaz oxydant pour realiser la regeneration des solutions chlorhydriques usees de decapage
US4585645A (en) 1985-04-03 1986-04-29 Aluminum Company Of America Alpha alumina production in a steam-fluidized reactor
DE3526801A1 (de) 1985-07-26 1987-02-05 Hoechst Ag Verfahren zur reinigung von chlorwasserstoffgas
US4770807A (en) 1985-07-31 1988-09-13 Commissariat A L'energie Atomique Novel extraction agents and novel propane diamides
US4798717A (en) 1986-07-25 1989-01-17 Ultramafic Technology Inc. Production of elements and compounds by deserpentinization of ultramafic rock
US4652433A (en) 1986-01-29 1987-03-24 Florida Progress Corporation Method for the recovery of minerals and production of by-products from coal ash
CA1286480C (en) 1986-02-28 1991-07-23 Peter F. Bagatto Method of and apparatus for thickening red muds derived from bauxite and similar slurries
US4826671A (en) 1986-03-14 1989-05-02 Basf Aktiengesellschaft Preparation of acicular α-Fe2 O3
US4680055A (en) 1986-03-18 1987-07-14 General Motors Corporation Metallothermic reduction of rare earth chlorides
CA1279976C (en) 1986-05-29 1991-02-12 Serge Monette Production of pure mgc12 solution suitable for the production of magnesium metal from an impure magnesite ore or concentrate
US4710369A (en) 1986-06-10 1987-12-01 Toth Aluminum Corporation Oxidation method for production of special aluminas from pure aluminum chloride
FR2600635B1 (fr) 1986-06-26 1989-09-08 Comalco Alu Procede pour la production de matieres utiles y compris de la nepheline synthetique a partir des boues rouges du procede bayer
US5071472A (en) 1986-09-15 1991-12-10 The United States Of America, As Represented By The Secretary Of The Interior Induction slag reduction process for purifying metals
US4820498A (en) 1986-09-16 1989-04-11 Lanxide Technology Company, Lp Method for producing substantially pure alumina material
CA1277144C (en) 1986-11-21 1990-12-04 G. Bryn Harris Production of magnesium metal from magnesium containing materials
US4741831A (en) 1986-12-04 1988-05-03 The Dow Chemical Company Process and composition for removal of metal ions from aqueous solutions
JPS63288909A (ja) 1987-02-19 1988-11-25 ケラモント、リサーチ、コーポレーション サブミクロン粒径を有するα−アルミナ粉末を得る方法
US4797271A (en) 1987-02-19 1989-01-10 Aluminum Company Of America Producing alumina granules in a fluidized bed
US5192443A (en) 1987-03-23 1993-03-09 Rhone-Poulenc Chimie Separation of rare earth values by liquid/liquid extraction
US4898719A (en) 1987-04-23 1990-02-06 Gte Laboratories Incorporated Liquid extraction procedure for the recovery of scandium
JPH0627004B2 (ja) 1987-05-26 1994-04-13 三菱マテリアル株式会社 １２面体の結晶形を有する酸化スカンジウムの製造方法
HU209326B (en) * 1987-07-31 1994-04-28 Aquatech Trade Kft Method for multistage wasteless processing of red sludge and extracting chemical base materials from it
US4816233A (en) 1987-09-11 1989-03-28 Gte Laboratories Incorporated Ion exchange method for the recovery of scandium
US4876232A (en) 1987-09-28 1989-10-24 Pedro B. Macedo Supported heteropolycyclic compounds in the separation and removal of late transition metals
NL8702727A (nl) 1987-11-16 1989-06-16 Philips Nv Scandaatkathode.
US5149412A (en) 1987-11-26 1992-09-22 Alcan International Limited Electrolysis cell and refractory material therefor
CA1270863A (en) 1987-11-26 1990-06-26 Claude Allaire Refractory material produced from red mud
IN172477B (pt) 1988-02-01 1993-08-21 Imc Fertilizer Inc
AU627469B2 (en) 1988-07-18 1992-08-27 Allied Colloids Limited Recovery of alumina from bauxite
GB8824176D0 (en) 1988-10-14 1988-11-23 Allied Colloids Ltd Recovery of alumina from bauxite
WO1990005115A1 (en) 1988-11-01 1990-05-17 Earl Philip Horwitz Phosphonic acids and their uses in separation
US4913884A (en) 1988-11-09 1990-04-03 Westinghouse Electric Corp. Uranium-preextraction in zirconium/hafnium separations process
DE3838675A1 (de) 1988-11-15 1990-05-17 Degussa Amorphes aluminiumoxid, verfahren zu seiner herstellung und verwendung
US5093091A (en) 1988-12-19 1992-03-03 American Cyanamid Company Method of removing iron from concentrated alum solutions
US5037608A (en) 1988-12-29 1991-08-06 Aluminum Company Of America Method for making a light metal-rare earth metal alloy
US5039336A (en) * 1988-12-30 1991-08-13 Westinghouse Electric Corp. Recovery of scandium, yttrium and lanthanides from zircon sand
CA1330865C (en) 1989-01-31 1994-07-26 George Dennison Fulford Process for producing alumina from bauxite
US4965053A (en) 1989-02-10 1990-10-23 Iowa State University Research Foundation, Inc. Ion exchange purification of scandium
US5188809A (en) 1989-03-02 1993-02-23 Teledyne Industries, Inc. Method for separating coke from a feed mixture containing zirconium and radioactive materials by flotation process
US5160482A (en) 1989-03-02 1992-11-03 Teledyne Industries, Inc. Zirconium-hafnium separation and purification process
FR2643911B1 (fr) 1989-03-03 1992-06-12 Rhone Poulenc Chimie Procede de traitement de minerais de terres rares
US5030424A (en) 1989-04-03 1991-07-09 Alcan International Limited Recovery of rare earth elements from Bayer process red mud
EP0399786A3 (en) 1989-05-25 1992-05-27 Alcan International Limited Refractory linings capable of resisting sodium and sodium salts
US5030426A (en) 1989-06-27 1991-07-09 Technical Research, Inc. Biomining of gallium and germanium containing ores
US5015447A (en) 1989-07-18 1991-05-14 Alcan International Limited Recovery of rare earth elements from sulphurous acid solution by solvent extraction
US5049363A (en) 1989-08-03 1991-09-17 Westinghouse Electric Corp. Recovery of scandium, yttrium and lanthanides from titanium ore
DE3930601A1 (de) 1989-09-13 1991-03-14 Basf Ag Verfahren zur herstellung von plaettchenfoermigen hematitpigmenten
JP2670154B2 (ja) 1989-10-06 1997-10-29 日東電工株式会社 逆浸透膜分離プロセスを有する希土類の分離精製システム
US5080803A (en) 1989-10-13 1992-01-14 Alcan International Limited Process for decantation of suspensions
DE69002045T2 (de) 1989-10-13 1993-09-30 Alcan Int Ltd Verfahren und Vorrichtung zum Dekantieren von Suspensionen.
US5019362A (en) 1989-10-18 1991-05-28 Gte Laboratories Incorporated Ion exchange method for the purification of scandium
US4968504A (en) 1989-10-19 1990-11-06 Gte Laboratories Incorporated Recovery of scandium and uranium
US5180563A (en) 1989-10-24 1993-01-19 Gte Products Corporation Treatment of industrial wastes
US4988487A (en) 1989-10-24 1991-01-29 Gte Laboratories Incorporated Process for recovering metal values such as scandium, iron and manganese from an industrial waste sludge
DE3935362A1 (de) 1989-10-24 1991-04-25 Ruhr Zink Gmbh Verfahren zur aufarbeitung von jarosit-haltigen rueckstaenden
NL8902783A (nl) 1989-11-10 1991-06-03 Hoogovens Groep Bv Werkwijze voor het selectief afscheiden van een non-ferro metaal.
US5051243A (en) 1989-12-07 1991-09-24 Alcan International Limited Process for increasing the specific gravity of red mud solids
US5043077A (en) 1989-12-11 1991-08-27 Alcan International Limited Treatment of bayer process red mud slurries
OA10034A (en) 1989-12-11 1996-10-14 Alcan Int Ltd Treatment of bayer process red mud slurries
US5035365A (en) 1990-02-15 1991-07-30 Boulder Scientific Company Thortveitite ore beneficiation process
FI88516C (fi) 1990-02-16 1993-05-25 Outokumpu Oy Hydrometallurgiskt foerfarande foer behandling av zinksulfidhaltiga raoaemnen
US5112534A (en) 1990-03-05 1992-05-12 The United States Of America As Represented By The United States Department Of Energy Yttrium and rare earth stabilized fast reactor metal fuel
US5124008A (en) 1990-06-22 1992-06-23 Solv-Ex Corporation Method of extraction of valuable minerals and precious metals from oil sands ore bodies and other related ore bodies
EP0466338B1 (en) 1990-06-26 1995-12-20 Toda Kogyo Corp. Spindle-shaped magnetic iron based alloy particles and process for producing the same
US5207995A (en) 1990-09-19 1993-05-04 Union Oil Company Of California Recovery of cerium from fluoride-containing ores
DE69318315D1 (de) 1990-09-19 1998-06-04 Union Oil Co Gewinnung von cer aus fluorid-enthaltenden erzen
US5045209A (en) 1990-09-24 1991-09-03 Westinghouse Electric Corp. Method for chromatographically recovering scandium and yttrium
US5409678A (en) 1990-10-22 1995-04-25 The United States Of America As Represented By The Department Of Energy Separations of actinides, lanthanides and other metals
WO1992012268A1 (en) 1991-01-11 1992-07-23 Comalco Aluminum Limited Recovery of aluminium and fluoride values from spent pot lining
NL9100210A (nl) 1991-02-06 1992-09-01 Veg Gasinstituut Nv Katalysator- of membraan-precursorsystemen, katalysator- of membraan-systemen alsmede werkwijze voor de vervaardiging daarvan.
US5122279A (en) 1991-04-08 1992-06-16 Romar Technologies Inc. Ferrous dithionite process and compositions for removing dissolved heavy metals from water
JPH0772312B2 (ja) 1991-05-17 1995-08-02 住友金属鉱山株式会社 希土類元素の回収方法
US5091159A (en) 1991-06-10 1992-02-25 Nalco Chemical Company Use of dextran as a filtration aid for thickener overflow filtration in Kelly filters in the Bayer process
US5274129A (en) 1991-06-12 1993-12-28 Idaho Research Foundation, Inc. Hydroxamic acid crown ethers
US5443618A (en) 1991-12-09 1995-08-22 Battelle Memorial Institute Earth melter
JP2658771B2 (ja) 1991-12-27 1997-09-30 日本軽金属株式会社 赤泥の沈降分離における赤泥沈降助剤の添加方法
DE4204994A1 (de) 1992-02-19 1993-08-26 Henkel Kgaa Verfahren zur abtrennung von stoerelementen aus wertmetall-loesungen
US5512256A (en) 1992-05-08 1996-04-30 Battelle Memorial Institute Method of separation of yttrium-90 from strontium-90
US5531970A (en) 1992-05-29 1996-07-02 Advanced Recovery Systems, Inc. Metal and fluorine values recovery from mineral ore treatment
AU676834B2 (en) 1992-06-02 1997-03-27 Sumitomo Chemical Company, Limited Process for producing alpha-alumina
JP3045207B2 (ja) 1992-07-31 2000-05-29 戸田工業株式会社 板状酸化鉄粒子粉末の製造法
CA2122364A1 (en) 1992-08-04 1994-02-17 Alexei A. Marakushev Method of producing aluminum from aluminous raw material
JP3579432B2 (ja) 1992-12-17 2004-10-20 チタン工業株式会社 光沢顔料およびその製造法
WO1994018122A1 (en) 1993-02-01 1994-08-18 Alcan International Limited Process and apparatus for the extraction of gibbsitic alumina from bauxite
US5336297A (en) 1993-02-16 1994-08-09 Terra Gaia Environmental Group Inc. Process for the treatment of electric arc furnace dust
GB9309144D0 (en) 1993-05-04 1993-06-16 Sherritt Gordon Ltd Recovery of metals from sulphidic material
US5368736A (en) 1993-07-26 1994-11-29 The United States Of America As Represented By The United States Department Of Energy Process for the separation and purification of yttrium-90 for medical applications
JP2968913B2 (ja) 1993-07-30 1999-11-02 日鉄鉱業株式会社 金属硫酸塩含有の廃硫酸を再生する方法
US5409677A (en) 1993-08-26 1995-04-25 The Curators Of The University Of Missouri Process for separating a radionuclide from solution
FI97288C (fi) 1993-08-26 1996-11-25 Kemira Oy Jätevesilietteen käsittelymenetelmä
IL111763A (en) 1993-11-25 1998-08-16 Sumitomo Chemical Co Method for alpha-alumina powder production
US5505857A (en) 1994-01-13 1996-04-09 Buckman Laboratories International, Inc. Process for the treatment of metal-containing water and recovery of metals therefrom
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
US5597529A (en) 1994-05-25 1997-01-28 Ashurst Technology Corporation (Ireland Limited) Aluminum-scandium alloys
DE4421932A1 (de) 1994-06-23 1996-01-04 Basf Ag Verfahren von kohlenwasserstofflöslichen Aminomethylenphosphonsäure-Derivaten zur solventextraktiven Abtrennung von Eisenionen aus wäßrigen Lösungen
WO1996000698A1 (en) 1994-06-28 1996-01-11 Pure Etch Co. Rare earth recovery process
JPH0835080A (ja) * 1994-07-22 1996-02-06 Mitsubishi Materials Corp アルミニウム含有廃液の再生方法
US5492680A (en) 1994-08-04 1996-02-20 The United States Of America As Represented By The Secretary Of The Interior Separation of scandium from tantalum residue using fractional liquid-liquid extraction
CN1040553C (zh) 1994-08-10 1998-11-04 中国核动力研究设计院 用稀盐酸处理高炉渣的方法
DE4434969A1 (de) 1994-09-30 1996-04-04 Bayer Ag Hochtransparente, gelbe Eisenoxidpigmente, Verfahren zu ihrer Herstellung sowie deren Verwendung
US5443619A (en) 1994-10-04 1995-08-22 North American Palladium Ltd. Process for extracting metals from solution
AT401654B (de) 1994-10-14 1996-11-25 Andritz Patentverwaltung Verfahren zur entwässerung und waschung von rotschlamm
US5645652A (en) 1994-12-13 1997-07-08 Toda Kogyo Corporation Spindle-shaped magnetic iron-based alloy particles containing cobalt and iron as the main ingredients and process for producing the same
AUPN053395A0 (en) 1995-01-12 1995-02-09 Alcoa Of Australia Limited Production of alpha alumina
SE508128C2 (sv) 1995-01-24 1998-08-31 Kemira Kemi Ab Förfarande för framställning av lösningar av aluminiumsalt
WO1996024555A1 (en) 1995-02-10 1996-08-15 Bhp Minerals International Inc. PROCESSING ILMENITE ORE TO TiO2 PIGMENT
US5868935A (en) 1995-03-15 1999-02-09 New Jersey Institute Of Technology Method and apparatus for extraction and recovery of ions from solutions
US6254782B1 (en) 1995-05-19 2001-07-03 Lawrence Kreisler Method for recovering and separating metals from waste streams
US5560809A (en) 1995-05-26 1996-10-01 Saint-Gobain/Norton Industrial Ceramics Corporation Improved lining for aluminum production furnace
US5766478A (en) 1995-05-30 1998-06-16 The Regents Of The University Of California, Office Of Technology Transfer Water-soluble polymers for recovery of metal ions from aqueous streams
US5792330A (en) 1995-05-31 1998-08-11 Board Of Regents, The University Of Texas System Lanthanide metal cations for concurrent detection and separation in capillary electrophoresis
FR2736343B1 (fr) 1995-07-03 1997-09-19 Rhone Poulenc Chimie Composition a base d'oxyde de zirconium et d'oxyde de cerium, procede de preparation et utilisation
US5571308A (en) 1995-07-17 1996-11-05 Bhp Minerals International Inc. Method for recovering nickel from high magnesium-containing Ni-Fe-Mg lateritic ore
DE19527192A1 (de) 1995-07-26 1997-01-30 Hilti Ag Schraubgerät
WO1997017293A1 (en) 1995-11-07 1997-05-15 Cytec Technology Corp. Reduction of impurities in bayer process alumina trihydrate
JP3085173B2 (ja) * 1995-11-22 2000-09-04 大平洋金属株式会社 酸化鉱石からのレアーアースメタルの濃縮分離回収法
US5955042A (en) 1995-12-08 1999-09-21 Goldendale Aluminum Company Method of treating spent potliner material from aluminum reduction cells
US5723097A (en) 1995-12-08 1998-03-03 Goldendale Aluminum Company Method of treating spent potliner material from aluminum reduction cells
BR9605956A (pt) 1995-12-13 1998-08-18 Cytec Tech Corp Processo para recuperar um elemento de terra rara a partir de uma soluçao ácida
US5622679A (en) 1995-12-13 1997-04-22 Cytec Technology Corp. Extraction of rare earth elements using alkyl phosphinic acid or salt/tetraalkylammonium salt as extractant
IL116409A (en) 1995-12-15 1999-11-30 Mashal Alumina Ind Ltd Process for the recovery of alumina and silica
JP3666688B2 (ja) 1996-02-23 2005-06-29 富士写真フイルム株式会社 磁気記録媒体
US5922403A (en) 1996-03-12 1999-07-13 Tecle; Berhan Method for isolating ultrafine and fine particles
US6843970B1 (en) 1996-03-26 2005-01-18 Cabot Corporation Process for recovering metal values by dissolving them in a sulfuric acid solution containing a carbon source and a reducing agent
US7282187B1 (en) 1996-03-26 2007-10-16 Caboi Corporation Recovery of metal values
FI103401B (fi) 1996-04-12 1999-06-30 Kemira Chemicals Oy Menetelmä epäpuhtaan alumiinioksidin käsittelemiseksi
US6093376A (en) 1996-07-25 2000-07-25 Moore; Bruce W. Selective separation of rare earth elements by ion exchange in an iminodiacetic resin
US5840112A (en) 1996-07-25 1998-11-24 Kerr Mcgee Chemical Corporation Method and apparatus for producing titanium dioxide
JPH1088107A (ja) 1996-09-13 1998-04-07 Shin Etsu Chem Co Ltd 赤外線吸収材料とその製造方法およびインク
US5787332A (en) 1996-09-26 1998-07-28 Fansteel Inc. Process for recovering tantalum and/or niobium compounds from composites containing a variety of metal compounds
EP0834581A1 (en) 1996-09-30 1998-04-08 Basf Aktiengesellschaft Use of hydrocarbon-soluble aminomethylenephosphonic acid derivatives for the solvent extraction of metal ions from aqueous solutions
AUPO264096A0 (en) 1996-09-30 1996-10-24 Mclaughlin Geosurveys Pty Ltd. Value improvement of clays
US6309441B1 (en) 1996-10-08 2001-10-30 General Electric Company Reduction-melting process to form rare earth-transition metal alloys and the alloys
EP0850881B1 (de) 1996-12-27 2002-08-21 Ruthner, Michael Johann, Dipl.Ing. Dr.mont. Verfahren und Vorrichtung zur Herstellung von Eisenoxiden aus salzsauren eisenchloridhaltigen Lösungen
US6348154B1 (en) 1997-01-03 2002-02-19 David R. Stewart Methods to remove metals from water
JP3307554B2 (ja) 1997-02-25 2002-07-24 信越化学工業株式会社 希土類元素の連続溶媒抽出法
ZA981820B (en) 1997-03-05 1998-09-03 Edv Systemanalyse Und Systemde Process for the preparation of superazeotropic hydrochloric acid from metal chloride solutions
FR2767490B1 (fr) 1997-08-25 1999-10-01 Commissariat Energie Atomique Procede de separation des actinides et des lanthanides par extraction liquide-liquide au moyen de calixarenes
US6045631A (en) 1997-10-02 2000-04-04 Aluminum Company Of America Method for making a light metal-rare earth metal alloy
US5993514A (en) 1997-10-24 1999-11-30 Dynatec Corporation Process for upgrading copper sulphide residues containing nickel and iron
GB2333518A (en) 1998-01-26 1999-07-28 Laporte Industries Ltd Process for making black iron oxide pigment
US5980854A (en) 1998-09-23 1999-11-09 Noranda, Inc. Method for the production of a magnesium chloride solution
US5997828A (en) 1998-09-30 1999-12-07 Rendall; John S. Process for production of alumina from ore bodies containing aluminum
EP0999185A1 (en) 1998-11-05 2000-05-10 Toda Kogyo Corp. Spindle-shaped goethite particles, spindle-shaped hematite particles and magnetic spindle-shaped metal particles containing iron as main component
US6500396B1 (en) 1998-11-17 2002-12-31 Vaikuntam Iyer Lakshmanan Separation of titanium halides from aqueous solutions
US6565733B1 (en) 1998-12-18 2003-05-20 Corus Aluminium Walzprodukte Gmbh Method and apparatus for the production of aluminium
CN1099424C (zh) 1998-12-22 2003-01-22 金明官 丝素肽的催化循环制备法
DE19903011A1 (de) 1999-01-26 2000-08-03 Akw Apparate Verfahren Verfahren zum Trennen und Entsorgen des sandigen Anteils des bei der Verarbeitung von Bauxit mittels heißer Natronlauge entstehenden Rotschlamms sowie Anordnung zur Durchführung des Verfahrens
US6377049B1 (en) 1999-02-12 2002-04-23 General Electric Company Residuum rare earth magnet
US6471743B1 (en) 1999-02-19 2002-10-29 Mbx Systems, Inc. Methods for leaching of ores
GB9904269D0 (en) 1999-02-24 1999-04-21 European Community Stabilization of transition alumina
US6221233B1 (en) 1999-03-08 2001-04-24 John S. Rendall Aluminum production utilizing positively charged alumina
CA2265183C (en) 1999-03-11 2008-01-08 Cellmag Inc. Magnesium metal production
US6077486A (en) 1999-03-25 2000-06-20 Cytec Technology Corp. Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron
SE514338C2 (sv) 1999-06-01 2001-02-12 Boliden Mineral Ab Förfarande för rening av sur laklösning
SE514403C2 (sv) 1999-06-22 2001-02-19 Boliden Mineral Ab Förfarande samt användning av förfarande för utvinning av värdemetall ur laklösning
US6375923B1 (en) 1999-06-24 2002-04-23 Altair Nanomaterials Inc. Processing titaniferous ore to titanium dioxide pigment
DE19930924A1 (de) 1999-07-06 2001-01-18 Rwe Dea Ag Verfahren zur Herstellung von Tonerdehydraten durch Fällung von Aluminiumsalzen in Gegenwart von Kristallisationskeimen
CA2277417A1 (en) 1999-07-09 2001-01-09 Cytec Technology Corp. Stripping lanthanide-loaded solutions
US6316377B1 (en) 1999-09-10 2001-11-13 Battelle Memorial Institute Rare earth oxide fluoride nanoparticles and hydrothermal method for forming nanoparticles
DE19943291A1 (de) 1999-09-10 2001-03-15 Degussa Pyrogen hergestelltes Aluminiumoxid
US6395242B1 (en) 1999-10-01 2002-05-28 Noranda Inc. Production of zinc oxide from complex sulfide concentrates using chloride processing
DE19955881A1 (de) 1999-11-20 2001-05-23 Cognis Deutschland Gmbh Verfahren zur Gewinnung von Wertmetallen
ES2304361T3 (es) 2000-02-04 2008-10-16 Haldor Topsoe A/S Procedimiento para la produccion de alumina.
US6248302B1 (en) 2000-02-04 2001-06-19 Goldendale Aluminum Company Process for treating red mud to recover metal values therefrom
US6468483B2 (en) 2000-02-04 2002-10-22 Goldendale Aluminum Company Process for treating alumina-bearing ores to recover metal values therefrom
US6395062B2 (en) 2000-02-18 2002-05-28 Cognis Corporation Process for recovery of metals from metal-containing ores
AU4375001A (en) 2000-06-07 2001-12-13 Iluka Resources Limited Hydrochloric acid leaching and regeneration method
US6447738B1 (en) 2000-08-24 2002-09-10 Solv-Ex Corporation Coproducing alumina, iron oxide, and titanium-dioxide from aluminum ore bodies and feedstocks
EP1317514A1 (de) 2000-09-07 2003-06-11 Bayer Aktiengesellschaft Verfahren zur herstellung eines aluminiumhaltigen eisenoxidkeims
FI20002699A0 (fi) 2000-12-08 2000-12-08 Outokumpu Oy Menetelmä raudan hydrolyyttiseksi saostamiseksi
FI108864B (fi) 2000-12-20 2002-04-15 Outokumpu Oy Menetelmä kuparirikasteen liuottamiseksi
EA200300623A1 (ru) 2000-12-31 2004-02-26 Ати-Алюминум Текноледжис Исраэл Лтд. Получение соединений алюминия и кремния из руд
RU2183225C1 (ru) * 2001-02-05 2002-06-10 Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра РАН Способ переработки эвдиалитового концентрата
SE523966C2 (sv) 2001-06-07 2004-06-08 Feralco Ab Förfarande för rening av ett metallsalt från oorganiska föroreningar i en vattenlösning
US6451088B1 (en) 2001-07-25 2002-09-17 Phelps Dodge Corporation Method for improving metals recovery using high temperature leaching
FI115223B (fi) 2001-12-13 2005-03-31 Outokumpu Oy Menetelmä raudan saostamiseksi sinkkisulfaattiliuoksesta hematiittina
US20030152502A1 (en) 2001-12-18 2003-08-14 Lewis Robert E. Method and apparatus for separating ions of metallic elements in aqueous solution
WO2003054238A1 (en) 2001-12-21 2003-07-03 Congo Mineral Developments Ltd A method for the recovery of cobalt
WO2003074538A1 (fr) 2002-03-04 2003-09-12 Japan Science And Technology Agency Nouveaux phosphonamides, procede de production correspondant, et utilisation associee
CA2378721A1 (en) 2002-03-22 2003-09-22 Nichromet Extraction Inc. Metals recovery from serpentine ores
US7128840B2 (en) 2002-03-26 2006-10-31 Idaho Research Foundation, Inc. Ultrasound enhanced process for extracting metal species in supercritical fluids
JP3828544B2 (ja) 2002-03-28 2006-10-04 カウンシル・オブ・サイエンティフィック・アンド・インダストリアル・リサーチ ガリウムの回収方法
US7157022B2 (en) 2002-09-30 2007-01-02 .Pg Research Foundation, Inc. Multivalent metal ion extraction using diglycolamide-coated particles
AUPS201902A0 (en) 2002-04-29 2002-06-06 Qni Technology Pty Ltd Modified atmospheric leach process for laterite ores
US6716353B1 (en) 2002-10-30 2004-04-06 Ut-Battelle, Llc Method for preparing high specific activity 177Lu
US7220394B2 (en) 2002-10-30 2007-05-22 Council Of Scientific And Industrial Research Process for simultaneous recovery of chromium and iron from chromite ore processing residue
DE10260742A1 (de) 2002-12-23 2004-07-08 Outokumpu Oyj Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen in einem Wirbelbett
DE10260743B4 (de) 2002-12-23 2008-05-15 Outokumpu Oyj Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen in einem Wirbelbett
US7229600B2 (en) 2003-01-31 2007-06-12 Nanoproducts Corporation Nanoparticles of rare earth oxides
CA2418546A1 (en) 2003-02-06 2004-08-06 Institut National De La Recherche Scientifique A method for increasing the chrome to iron ratio of chromites products
US7182931B2 (en) 2003-02-25 2007-02-27 Tronox Llc Process for making titanium dioxide
CL2004001045A1 (es) 2003-05-16 2005-06-03 Jaguar Nickel Inc PROCESO PARA LIXIVIAR MINERAL LATERICO DE NIQUEL QUE CONTIENE OXIDOS DE MATALES BASE USANDO UN LIXIVIANTE A UN pH MENOR QUE 3, COMPUESTO POR ACIDO CLORHIDRICO Y SALES DE CLORURO QUE CONTIENEN CATIONES EN DONDE LA CONCENTRACION DE CLORURO ES MAYOR DE
DE10332775A1 (de) 2003-07-17 2005-02-17 Sasol Germany Gmbh Verfahren zur Herstellung böhmitischer Tonerden mit hoher a-Umwandlungstemperatur
CA2435779A1 (en) 2003-07-22 2005-01-22 Institut National De La Recherche Scientifique A process for recovering platinum group metals from ores and concentrates
US7410562B2 (en) 2003-08-20 2008-08-12 Materials & Electrochemical Research Corp. Thermal and electrochemical process for metal production
US7381690B1 (en) 2003-09-25 2008-06-03 Ppt Research Inc Stable aqueous slurry suspensions
CN1761765A (zh) 2003-11-19 2006-04-19 方法研究奥特克公司 回收混合氯化物介质中钛的方法
RU2363748C2 (ru) 2004-02-16 2009-08-10 Текнолоджикал Ресорсиз Пти. Лимитед Способ получения алюминия
AU2005235472C1 (en) 2004-04-26 2009-04-23 Mitsubishi Materials Corporation Reducing water purification material, method for producing reducing water purification material, method for treating wastewater, and wastewater treatment apparatus
FR2870535B1 (fr) 2004-05-18 2007-02-16 Aluminium Pechiney Soc Par Act Perfectionnement au procede bayer de production de trihydrate d'alumine par attaque alcaline de bauxite, ledit procede comportant une etape de predessilicatation
JP2008504202A (ja) 2004-06-27 2008-02-14 ヨーマ・ケミカル・アー・エス 酸化鉄ナノ粒子の製造方法
US7517508B2 (en) 2004-07-26 2009-04-14 Isoray Medical, Inc. Method of separating and purifying Yttrium-90 from Strontium-90
WO2006023779A2 (en) 2004-08-20 2006-03-02 Idaho Research Foundation, Inc. Metal extraction in liquid or supercritical-fluid solvents
JP2006092691A (ja) 2004-09-27 2006-04-06 Fuji Photo Film Co Ltd クリーニング媒体
DE102005006570B4 (de) 2005-02-11 2014-07-10 Outotec Oyj Verfahren und Vorrichtung zur Fluidisierung einer Wirbelschicht
GT200600062A (es) 2005-02-14 2006-09-07 Proceso para la lixiviación de acido mejorada de minerales de laterita
US7584778B2 (en) 2005-09-21 2009-09-08 United Technologies Corporation Method of producing a castable high temperature aluminum alloy by controlled solidification
CA2521817A1 (en) 2005-09-30 2007-03-30 Bhp Billiton Innovation Pty Ltd Process for leaching lateric ore at atmospheric pressure
AU2006298627B2 (en) 2005-10-03 2011-06-30 Metso Outotec Finland Oy Method for processing nickel bearing raw material in chloride-based leaching
BRPI0505544B1 (pt) 2005-11-10 2014-02-04 Processo de lixiviação combinada
WO2007071020A1 (en) 2005-12-23 2007-06-28 Harris G Bryn Process for recovering iron as hematite from a base metal containing ore material
FI118226B (fi) 2005-12-29 2007-08-31 Outokumpu Technology Oyj Menetelmä harvinaisten metallien talteenottamiseksi sinkin liuotusprosessissa
BRPI0706852A2 (pt) 2006-01-10 2011-04-12 Murrin Murrin Operations Pty Ltd método hidrometalúrgico para a precipitação de ferro na forma de hematita a partir de soluções de lixìvia contendo nìquel, colbato e ferro
AU2007219059B2 (en) 2006-02-24 2010-08-26 Murrin Murrin Operations Pty Ltd Hematite precipitation at elevated temperature and pressure
CA2538962C (en) 2006-03-17 2013-10-29 Nichromet Extraction Inc. Process for recovering value metal species from laterite-type feedstock
JP5344805B2 (ja) 2006-06-20 2013-11-20 第一稀元素化学工業株式会社 ジルコニア系複合酸化物及びその製造方法
WO2008022395A1 (en) 2006-08-23 2008-02-28 Murrin Murrin Operations Pty Ltd Improved hydrometallurgical method for the extraction of nickel from laterite ores
CN101134918B (zh) 2006-08-28 2012-03-21 北京三聚环保新材料股份有限公司 具有高硫容的脱硫剂活性组分及其制备方法
PE20080648A1 (es) 2006-09-20 2008-07-19 Hw Advanced Technologies Inc Separacion de ion de fierro multivalente en circuitos de recuperacion de metal
WO2008108888A2 (en) 2006-10-05 2008-09-12 Holden Charles S Separation of radium and rare earth elements from monazite
CN100412012C (zh) 2006-10-13 2008-08-20 中国铝业股份有限公司 一种萃取拜耳法母液处理赤泥的方法
AU2007329174A1 (en) 2006-12-07 2008-06-12 Bhp Billiton Aluminium Australia Pty Ltd Removal of impurities from bauxite
CA2610918C (en) 2006-12-28 2009-03-10 Groupe Conseil Procd Inc. Processes for treating aluminium dross residues
DE102007009758A1 (de) 2007-02-27 2008-08-28 Outotec Oyj Verfahren und Vorrichtung zur Regelung eines Feststoffstromes
US8814980B2 (en) 2007-05-03 2014-08-26 Drinkard Metalox, Inc Method of recovering metal values from nickel-containing ores
CN101688267B (zh) 2007-05-03 2012-12-05 德林卡德.梅塔罗克斯公司 从矿石中回收金属有价物的方法
JP5145536B2 (ja) 2007-05-07 2013-02-20 国立大学法人秋田大学 レアメタル、白金族系金属抽出剤及びレアメタル、白金族系金属抽出方法
CA2684696C (en) * 2007-05-21 2010-10-12 Exploration Orbite Vspa Inc. Processes for extracting aluminum and iron from aluminous ores
CA2711013C (en) 2007-05-21 2011-12-13 Exploration Orbite Vspa Inc. Processes for extracting aluminum from aluminous ores
DE102007028438B4 (de) 2007-06-18 2019-01-24 Outotec Oyj Gasdüse und Reaktor hiermit
CA2608973C (en) 2007-07-16 2009-01-27 Groupe Conseil Procd Inc. Processes for treating aluminium dross residues
US8961649B2 (en) 2007-08-29 2015-02-24 Vale Canada Limited System and method for extracting base metal values from oxide ores
WO2009054217A1 (ja) 2007-10-23 2009-04-30 Nippon Mining & Metals Co., Ltd. 高純度イッテルビウム、高純度イッテルビウムからなるスパッタリングターゲット、高純度イッテルビウムを含有する薄膜及び高純度イッテルビウムの製造方法
WO2009085514A2 (en) 2007-12-28 2009-07-09 Cytec Technology Corp. Reducing autoprecipitation in bayer liquor
JP5403814B2 (ja) 2008-01-10 2014-01-29 学校法人 芝浦工業大学 有用金属のリサイクル方法
JP5379010B2 (ja) 2008-02-08 2013-12-25 Ｊｘ日鉱日石金属株式会社 イッテルビウム製スパッタリングターゲット及び同ターゲットの製造方法。
AU2008201945B2 (en) * 2008-05-02 2014-03-06 Arafura Resources Limited Recovery of rare earth elements
DE102008001577A1 (de) 2008-05-06 2009-11-12 Wacker Chemie Ag Verfahren zur Hydrolyse von festen Metallsalzen mit wässrigen Salzlösungen
CA2728504C (en) * 2008-06-19 2017-08-29 Nobuyoshi Takahashi Processing method for recovering iron oxide and hydrochloric acid
CN102066589A (zh) 2008-06-25 2011-05-18 Bhp比利通Ssm开发有限公司 铁沉淀
KR101026361B1 (ko) 2008-07-03 2011-04-05 씨큐브 주식회사 판상 산화철 제조방법, 그로부터 제조된 판상 산화철 및판상 산화철 안료
CN102165078A (zh) 2008-07-24 2011-08-24 美特奎斯特研究印度私人有限公司 从复合矿物中提取金属
AU2009212947B2 (en) 2008-09-19 2014-06-05 Sumitomo Metal Mining Co., Ltd. Hydrometallurgical process of nickel laterite ore
EP2364758B1 (en) 2008-09-30 2016-06-29 Japan Atomic Energy Agency Continuous collection method of particle component in aqueous solution and apparatus therefor
CA2743304A1 (en) 2008-11-11 2010-05-20 Molycorp Minerals Llc Target material removal using rare earth metals
US8105509B2 (en) 2008-12-18 2012-01-31 The United States Of America As Represented By The Secretary Of The Navy Hot-pressed transparent ceramics and ceramic lasers
GR20090100008A (el) 2009-01-12 2010-09-09 Νικολαος Παπαδοπουλος Μεθοδος αποκτησης εκμεταλλευσιμων προϊοντων απο το στερεο αποβλητο της ερυθρας ιλυος
DE102009006094B4 (de) 2009-01-26 2018-10-31 Outotec Oyj Verfahren und Anlage zur Herstellung von Aluminiumoxid aus Aluminiumhydroxid
DE102009006095B4 (de) 2009-01-26 2019-01-03 Outotec Oyj Verfahren und Anlage zur Herstellung von Aluminiumoxid aus Aluminiumhydroxid
US20100329970A1 (en) 2009-03-04 2010-12-30 Solar Applied Materials Technology Corp. Method for recovery of copper, indium, gallium, and selenium
US8318126B2 (en) 2009-05-04 2012-11-27 Wong Stanislaus S Methods of making metal oxide nanostructures and methods of controlling morphology of same
DE102009021661A1 (de) 2009-05-16 2010-11-25 Outotec Oyj Wirbelschicht-Wärmetauscher
CA2667029A1 (en) 2009-05-27 2010-11-27 Sherritt International Corporation Recovering metal values from leach residue
CA2667033A1 (en) 2009-05-27 2010-11-27 Sherritt International Corporation Recovering metal values from a metalliferrous material
AU2010202408B2 (en) 2009-06-17 2014-12-18 Shin-Etsu Chemical Co., Ltd. Method for extracting and separating rare earth elements
US8144312B2 (en) 2009-08-25 2012-03-27 Sigma Space Corporation Telescope with a wide field of view internal optical scanner
SE534505C2 (sv) 2009-08-31 2011-09-13 Easymining Sweden Ab Återvinning av aluminium från fosforinnehållande material
CA2678276C (en) 2009-09-09 2016-11-15 Sherritt International Corporation Recovering metal values from a metalliferrous material
US8287826B2 (en) 2009-09-18 2012-10-16 Eestor, Inc. Selective-cation-removal purification of aluminum source
KR101133775B1 (ko) 2009-09-21 2012-08-24 한국생산기술연구원 마그네슘 모합금, 이의 제조 방법, 이를 이용한 금속 합금, 및 이의 제조 방법
US8936770B2 (en) 2010-01-22 2015-01-20 Molycorp Minerals, Llc Hydrometallurgical process and method for recovering metals
CN101792185B (zh) 2010-01-28 2012-05-23 中南大学 含铁溶液氨水沉淀法制备片状氧化铁的方法
CN101773925B (zh) 2010-02-03 2012-05-30 河南易道科技有限公司 赤泥废渣循环利用的处理方法
CA2788384C (en) 2010-02-04 2019-02-19 Neomet Technologies Inc. Process for the recovery of titanium dioxide and value metals by reducing the concentration of hydrochloric acid in leach solution and system for same
MX356807B (es) 2010-02-18 2018-06-13 Brav Metal Tech Inc Proceso para la recuperación de metales y ácido clorhidrico.
US8894740B2 (en) 2010-02-18 2014-11-25 Neomet Technologies Inc. Process for the recovery of gold from an ore in chloride medium with a nitrogen species
CN101781719B (zh) * 2010-04-09 2011-05-04 中国科学院长春应用化学研究所 一种从油页岩灰渣中回收稀土的方法
CN101811712A (zh) 2010-04-27 2010-08-25 中国神华能源股份有限公司 一种利用流化床粉煤灰制备冶金级氧化铝的方法
BE1019347A3 (fr) 2010-05-25 2012-06-05 Forrest George Arthur Reacteur hydrometallurgique.
CA2812309C (en) 2010-11-19 2014-12-09 Orbite Aluminae Inc. Process for extracting aluminum from aluminous ores
CN103534367A (zh) 2011-03-18 2014-01-22 奥贝特铝业有限公司 从含铝材料中回收稀土元素的方法
WO2012145797A1 (en) 2011-04-29 2012-11-01 Commonwealth Scientific And Industrial Research Organisation Recovery of soda from bauxite residue
AU2012250460B2 (en) 2011-05-04 2015-11-26 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
AU2012262586B2 (en) 2011-06-03 2015-05-14 Orbite Aluminae Inc. Methods for preparing hematite
US8216532B1 (en) 2011-06-17 2012-07-10 Vierheilig Albert A Methods of recovering rare earth elements
BR112014001239A2 (pt) 2011-07-18 2017-07-18 Orbite Aluminae Inc método para separar íons de ferro de íons de alumínio contidos em uma composição ácida e método para tratar uma composição ácida que compreenda íons de ferro e íons de alumínio
RU2014114938A (ru) 2011-09-16 2015-10-27 Орбит Элюминэ Инк. Способы получения оксида алюминия и разнообразных других продуктов
DE102011083863A1 (de) 2011-09-30 2013-04-04 Sms Siemag Ag Aufbereitung chloridhaltigen Eisenoxids
JP5447595B2 (ja) 2011-12-20 2014-03-19 住友金属鉱山株式会社 ニッケル酸化鉱石の湿式製錬における操業方法
EP2800726B1 (en) 2012-01-04 2018-10-17 Keki Hormusji Gharda A process for manufacturing aluminum from bauxite or its residue
CA2875776A1 (en) 2012-01-10 2013-07-18 Richard Boudreault Processes for treating red mud
RU2595178C2 (ru) 2012-03-19 2016-08-20 Орбит Текнолоджиз Инк. Способ извлечения редкоземельных элементов и редких металлов
RU2633579C9 (ru) 2012-03-29 2017-12-25 Орбит Алюминэ Инк. Способы обработки летучей золы
MY190290A (en) 2012-07-12 2022-04-12 Orbite Tech Inc Processes for preparing titanium oxide and various other products
WO2014029031A1 (en) 2012-08-24 2014-02-27 Alliance Magnésium Process for treating magnesium-bearing ores
CA2885255C (en) 2012-09-26 2015-12-22 Orbite Aluminae Inc. Processes for preparing alumina and magnesium chloride by hc1 leaching of various materials
BR112015011049A2 (pt) 2012-11-14 2017-07-11 Orbite Aluminae Inc métodos para purificação de íons de alumínio
JP6056429B2 (ja) 2012-12-03 2017-01-11 リコーイメージング株式会社 超広角レンズ系
WO2014094157A1 (en) 2012-12-17 2014-06-26 Polar Sapphire Ltd. A method and apparatus for melting aluminum oxide
CN104903241A (zh) 2012-12-17 2015-09-09 波拉尔蓝宝石有限公司 制造高纯度氧化铝的方法
US20140341790A1 (en) 2013-01-18 2014-11-20 Rare Element Resources Ltd. Extraction of metals from metallic compounds
WO2014124539A1 (en) 2013-02-14 2014-08-21 Alliance Magnésium Hydrogen gas diffusion anode arrangement producing hcl
US20140356262A1 (en) 2013-06-03 2014-12-04 Veolia Water North America Operating Services, Llc Method for treating tailings pond liquor
CA2950004A1 (en) 2014-05-26 2015-12-03 Procede Ethanol Vert Technologie Process for pure aluminum production from aluminum-bearing materials

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