EP3071719A4 - Method for recovering rare earth metals from waste sulphates - Google Patents
Method for recovering rare earth metals from waste sulphates Download PDFInfo
- Publication number
- EP3071719A4 EP3071719A4 EP14863833.1A EP14863833A EP3071719A4 EP 3071719 A4 EP3071719 A4 EP 3071719A4 EP 14863833 A EP14863833 A EP 14863833A EP 3071719 A4 EP3071719 A4 EP 3071719A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- sulphates
- waste
- rare earth
- earth metals
- recovering rare
- 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- Withdrawn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
- 229910052761 rare earth metal Inorganic materials 0.000 title 1
- 150000002910 rare earth metals Chemical class 0.000 title 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
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
- C22B59/00—Obtaining rare earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/002—High gradient magnetic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- 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
- C01F17/288—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- 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
- C22B3/18—Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Inorganic Chemistry (AREA)
- Microbiology (AREA)
- Geochemistry & Mineralogy (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Removal Of Specific Substances (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20136167A FI125550B (en) | 2013-11-22 | 2013-11-22 | Procedure for the recovery of rare earth metals from waste sulphates |
PCT/FI2014/050891 WO2015075317A1 (en) | 2013-11-22 | 2014-11-21 | Method for recovering rare earth metals from waste sulphates |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3071719A1 EP3071719A1 (en) | 2016-09-28 |
EP3071719A4 true EP3071719A4 (en) | 2017-08-09 |
Family
ID=53179019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14863833.1A Withdrawn EP3071719A4 (en) | 2013-11-22 | 2014-11-21 | Method for recovering rare earth metals from waste sulphates |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3071719A4 (en) |
CN (1) | CN105765091B (en) |
CA (1) | CA2930349A1 (en) |
FI (1) | FI125550B (en) |
WO (1) | WO2015075317A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017008035A1 (en) | 2016-09-05 | 2018-03-08 | Technische Universität Ilmenau | Apparatus and method for separating magnetically attractable particles from fluids |
CN108117224B (en) * | 2016-11-29 | 2021-01-05 | 中国石油化工股份有限公司 | Pretreatment method of desulfurization wastewater |
CN109425549B (en) * | 2017-08-21 | 2021-03-02 | 北新集团建材股份有限公司 | Method for analyzing grade of gypsum |
CN109957523B (en) * | 2017-12-25 | 2021-02-23 | 有研工程技术研究院有限公司 | Oligotrophic sulfate reducing bacteria and process for restoring heavy metal pollution of bottom mud of river channel by using oligotrophic sulfate reducing bacteria |
DE102018113358B4 (en) | 2018-06-05 | 2022-12-29 | Technische Universität Ilmenau | Apparatus and method for the continuous, separate sampling of magnetically attractable and magnetically repulsive particles from a flowing fluid |
CN110028258A (en) * | 2019-05-16 | 2019-07-19 | 西南科技大学 | A kind of method that iron Sulphur ressource is utilized respectively in titanium gypsum |
CN110184460B (en) * | 2019-06-28 | 2020-12-15 | 四川省乐山锐丰冶金有限公司 | Method for removing aluminum ions from praseodymium-neodymium chloride feed liquid |
US10954582B2 (en) * | 2019-07-17 | 2021-03-23 | West Virginia University | Systems and processes for recovery of high-grade rare earth concentrate from acid mine drainage |
CN110918251B (en) * | 2019-10-31 | 2021-08-03 | 昆明理工大学 | Method and device for removing impurities in phosphogypsum by high gradient magnetic field |
CN110961248B (en) * | 2019-11-29 | 2022-03-04 | 南华大学 | Method for separating scandium and uranium from scandium-containing uranium ore |
CN115572740B (en) * | 2022-09-30 | 2024-07-23 | 武汉工程大学 | Method for decomposing phosphogypsum to generate calcium sulfide by utilizing sulfate reducing flora |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL272533A2 (en) * | 1988-05-16 | 1989-02-20 | Politechnika Krakowska | Method of recovering lanthanides from phospogypsum wastes |
US5034201A (en) * | 1989-09-20 | 1991-07-23 | Rhone-Poulenc Chimie | Recovery of rare earth values from gypsum |
FI101787B (en) * | 1995-11-29 | 1998-08-31 | Kemira Oyj | Gypsum cleaning method |
CN101597688A (en) * | 2008-06-03 | 2009-12-09 | 贵州光大能源发展有限公司 | From phosphogypsum, reclaim a kind of method of rare earth |
RU2416654C1 (en) * | 2009-11-10 | 2011-04-20 | Закрытое акционерное общество "Российские редкие металлы" | Procedure for extraction of rare earth elements from phospho-gypsum |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2170736B (en) * | 1984-12-19 | 1988-02-03 | Bio Separation Ltd | Process for magnetic separation of metals from aqueous media |
PL157981B1 (en) * | 1989-03-09 | 1992-07-31 | Method for boichemical manufacturing of rare metals from phospho-gypsum | |
CN1017418B (en) * | 1989-03-15 | 1992-07-15 | 甘肃稀土公司 | Separation of heavy metals from rare earth solution |
GB9402976D0 (en) * | 1994-02-16 | 1994-04-06 | British Nuclear Fuels Plc | Process for the treatment of contaminated land |
GB2304301B (en) | 1995-08-16 | 2000-06-14 | Univ Southampton | Magnetic separation |
FI120819B (en) | 2008-04-09 | 2010-03-31 | Kemira Oyj | Procedure for cleaning plaster |
RU2412265C1 (en) | 2009-07-16 | 2011-02-20 | Закрытое Акционерное Общество "Твин Трейдинг Компани" | Procedure for extraction of rare earth elements from phospho-gypsum |
TW201325725A (en) | 2011-09-26 | 2013-07-01 | Geomega Ressources Inc | Method and system for separation of rare earths |
JP5704078B2 (en) * | 2012-01-06 | 2015-04-22 | 住友金属鉱山株式会社 | Recovery method of rare earth elements |
CN103274369A (en) * | 2013-05-20 | 2013-09-04 | 包头市红天宇稀土磁材有限公司 | Circulating method for preparing concentrated sulfuric acid and solid product from dilute sulfuric acid |
-
2013
- 2013-11-22 FI FI20136167A patent/FI125550B/en not_active IP Right Cessation
-
2014
- 2014-11-21 CN CN201480063966.8A patent/CN105765091B/en not_active Expired - Fee Related
- 2014-11-21 WO PCT/FI2014/050891 patent/WO2015075317A1/en active Application Filing
- 2014-11-21 CA CA2930349A patent/CA2930349A1/en not_active Abandoned
- 2014-11-21 EP EP14863833.1A patent/EP3071719A4/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL272533A2 (en) * | 1988-05-16 | 1989-02-20 | Politechnika Krakowska | Method of recovering lanthanides from phospogypsum wastes |
US5034201A (en) * | 1989-09-20 | 1991-07-23 | Rhone-Poulenc Chimie | Recovery of rare earth values from gypsum |
FI101787B (en) * | 1995-11-29 | 1998-08-31 | Kemira Oyj | Gypsum cleaning method |
CN101597688A (en) * | 2008-06-03 | 2009-12-09 | 贵州光大能源发展有限公司 | From phosphogypsum, reclaim a kind of method of rare earth |
RU2416654C1 (en) * | 2009-11-10 | 2011-04-20 | Закрытое акционерное общество "Российские редкие металлы" | Procedure for extraction of rare earth elements from phospho-gypsum |
Non-Patent Citations (3)
Title |
---|
KOEN BINNEMANS ET AL: "Recycling of rare earths: a critical review", JOURNAL OF CLEANER PRODUCTION, vol. 51, 1 July 2013 (2013-07-01), pages 1 - 22, XP055109592, ISSN: 0959-6526, DOI: 10.1016/j.jclepro.2012.12.037 * |
SATO N ET AL: "A new recycle process of uranium from spent fuel by selective sulfurization", PROCEEDINGS OF SESSIONS AND SYMPOSIA SPONSORED BY THE EXTRACTION AND PROCESSING DIVISION OF THE MINERALS, METALS AND MATERIALS SOCIETY HELD DURING THE 2006 TMS ANNUAL MEETING 2006 MINERALS,, vol. 2006, 12 March 2006 (2006-03-12), pages 973 - 977, XP009194441, ISBN: 978-0-87339-613-4 * |
See also references of WO2015075317A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3071719A1 (en) | 2016-09-28 |
WO2015075317A1 (en) | 2015-05-28 |
CA2930349A1 (en) | 2015-05-28 |
CN105765091B (en) | 2018-10-09 |
FI125550B (en) | 2015-11-30 |
FI20136167A (en) | 2015-05-23 |
CN105765091A (en) | 2016-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3071719A4 (en) | Method for recovering rare earth metals from waste sulphates | |
EP2828415A4 (en) | Processes for recovering rare earth elements and rare metals | |
EP2907883A4 (en) | Method for recovering scandium | |
EP2705169A4 (en) | Processes for recovering rare earth elements from various ores | |
EP2781623A4 (en) | Method for recovering rare earth from rare earth element-containing alloy | |
EP2738270A4 (en) | Method for recovering rare earth element | |
ZA201604274B (en) | Method for recovering ash from waste incineration | |
EP2959250A4 (en) | Systems and methods for recovering energy from wastewater | |
ZA201508453B (en) | Method for recovering metals | |
EP3041964A4 (en) | A process for copper and/or precious metal recovery | |
EP2971197A4 (en) | A method for extracting rare-earth metals | |
EP3006402A4 (en) | Method for producing metal oxide particles | |
EP2781609A4 (en) | Method for recovering rare earth element | |
EP3088540A4 (en) | Noble metal recovery method | |
SG10201406259QA (en) | System and method for xenon recovery | |
EP2964796A4 (en) | A method for extracting rare-earth metals | |
PL3043874T3 (en) | Method for precipitation of metal waste | |
EP3012333A4 (en) | Method of recovering metal from waste electronic substrates | |
EP2952594A4 (en) | Heavy rare earth element recovery method | |
HK1225737B (en) | Contaminant removal method | |
EP3056022A4 (en) | Method for extracting temporal features from spike-like signals | |
EP2989222A4 (en) | A method for concentrating rare-earth metals in phosphogypsum | |
EP3087849A4 (en) | Method for recovering preferable aroma from biomaterial | |
EP2931926B8 (en) | Method for recovering materials from slag | |
EP3512971A4 (en) | Method for recovering precious metal |
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: 20160621 |
|
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 |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20170712 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B03C 1/015 20060101ALI20170706BHEP Ipc: C22B 59/00 20060101AFI20170706BHEP Ipc: C01F 17/00 20060101ALI20170706BHEP Ipc: C22B 7/00 20060101ALI20170706BHEP Ipc: C02F 1/48 20060101ALI20170706BHEP Ipc: B03C 1/00 20060101ALI20170706BHEP Ipc: C02F 101/10 20060101ALI20170706BHEP Ipc: C22B 3/18 20060101ALI20170706BHEP Ipc: B03C 1/02 20060101ALI20170706BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20180220 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20190129 |
|
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: 20190612 |