rare earth metal recovery patent
US8968688B2 - Recovery of rare earth elements and ... - Google Patents
The rare earth elements are separated from the aqueous solution. US8968688B2 - Recovery of rare earth elements and compounds from coal ash - Google Patents Recovery of rare earth elements and compounds from coal ash Download PDF Info ... 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 142;
US Patent Application for Methods of Rare Earth Metal …
US Patent Application for Methods of Rare Earth Metal Recovery from Electronic Waste Patent Application (Application #20210032725 issued February 4, 2021) - Justia Patents Search Methods of Rare Earth Metal Recovery from Electronic Waste Oct 19, 2020 - WARNER BABCOCK INSTITUTE FOR GREEN CHEMISTRY, LLC
Rare-Earth Metal Recovery for Green Technologies | SpringerLink
About this book. This book examines the development, use, extraction, and recovery of rare earth metals. Rare earth elements (REEs) occupy a key role in daily life in industrial applications. They are one of the critical elements for energy and sustainable growth. REEs are utilized in many modern electrical and electronic devices such as smart ...
Process for recovering niobium and/or tantalum metal compound …
OSTI.GOV Patent: Process for recovering niobium and/or tantalum metal compound from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals Patent: Process for recovering niobium and/or tantalum metal compound from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals
Rare Earth Metal (at. No. 21, 39, Or 57-71) Patents and Patent
Search for Rare Earth Metal (at. No. 21, 39, Or 57-71) Patents and Patent Applications (Class 423/21.1) Filed with the USPTO ... The present invention discloses a process for recovery and regeneration of rare earth metals or salts thereof used as catalyst and which is conveniently integrated within the overall flow sheets of manufacturing ...
Opening rare earth ores with perfluoroalkanesulfonic acid (Patent ...
Opening rare earth ores with perfluoroalkanesulfonic acid. Full Record; Other Related Research; Inventors: Thom, K F Publication Date: Sun Apr 01 00:00:00 EST 1973 Research Org.: Minnesota Mining and Mfg. Co., St. Paul (USA) OSTI Identifier: …
R.E.E.R – Rare Earth Recovery
The elemental forms of rare earths are iron gray to silvery lustrous metals that are typically soft, malleable, and ductile and usually reactive, especially at elevated temperatures or when finely divided. ... Using a patent pending recovery procedure that involves chemicals combined with gravitational recovery we save not only time but money ...
Rare-Earth Metal Recovery for Green Technologies - Google …
This book examines the development, use, extraction, and recovery of rare earth metals. Rare earth elements (REEs) occupy a key role in daily life in industrial applications. They are one of the critical elements for energy and sustainable growth. REEs are utilized in many modern electrical and electronic devices such as smart phones, computers, LED lights etc. …
Rare earth metal recovery method - Patent JP-6090737 …
JP-6090737-B2 chemical patent summary.
Dissolution and separation of rare earth metals (Patent) | OSTI.GOV
Patent Number(s): 10,648,063 Application Number: ... (II) salt to dissolve the material in the solution. The dissolved rare earth metal is then precipitated from the aqueous solution as a rare earth metal compound, such as a rare earth metal oxalate, ... with single-stage solute recovery of up to 95.9% and a separation factor as high as 704.
EP2885436A4 - Recovery of rare earth metals - Google …
European Patent Office Prior art keywords recovery rare earth earth metals metals 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 Application number EP13879584.4A ...
Methods of Rare Earth Metal Recovery from Electronic Waste Patent …
The Methods of Rare Earth Metal Recovery from Electronic Waste patent was assigned a Application Number # 17073758 – by the United States Patent and Trademark Office (USPTO). Patent Application Number is a unique ID to identify the Methods of Rare Earth Metal Recovery from Electronic Waste mark in USPTO. The Methods of Rare Earth Metal Recovery from …
JP6090737B2 - Rare earth metal recovery method - Google Patents
JP6090737B2 - Rare earth metal recovery method - Google Patents Rare earth metal recovery method Download PDF Info ... rare earth earth metal recovering anode sulfone 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 ...
Journal of Rare Earths - Journal - Elsevier
The Journal of Rare Earths reports studies on the 17 rare earth elements. It is a unique English-language learned journal that publishes works on various aspects of basic theory and applied science in the field of rare earths (RE). The journal accepts original high-quality original research papers and review articles with inventive content, and ...
Understanding Critical Rare Earth Metals Recovery & Economics
Brief Summary: The purpose of this project is to further science and engineering by achieving a higher level of understanding of Critical Rare Earth Metal (CREM) recovery processes from coal and coal by-products and wastewater sludge, including the engineering, scientific and economic feasibility designs for site-specific pilot projects, and ...
R.E.E.R – Rare Earth Recovery
We recover rare earth elements from coal using a patent pending process that utilizes organic humic acid to extract REE in the most cost effect manner possible. REE Rich Deposits We utilize Proprietary Chemistry and Humic Acid to extract higher than normal levels of REE recovery. Rare Earth Elements Recovery
Methods of Rare Earth Metal Recovery from Electronic Waste
What is claimed is: 1. A method of selectively extracting one or more rare earth metals from a metallic substrate, the method comprising the steps of: (a) crushing the metallic substrate to produce a crushed composition; (b) treating the crushed composition with a strong acid solution to produce an extraction composition; (c) heating the extraction composition; (d) adding a rare …
Recovering rare earth metals from magnet scrap (Patent) | DOE Patents
U.S. Department of Energy Office of Scientific and Technical Information. Search DOE Patents. Search terms: Advanced search options
Rare Earth Metal Refining
Proses Makina Company. Proses Makina Company produces refining and recycling systems that enable the recovery of precious metals and rare metals from end of life wastes, as well as their production from ore and mining fields. It has the necessary knowledge, solutions, experiences and systems about the production and recovery of many elements in ...
US 20180304325A1 - METHOD AND SYSTEM FOR RECOVERING RARE EARTH …
Patent US20180304325A1 - METHOD AND SYSTEM FOR RECOVERING RARE EARTH ELEMENTS FROM WITHIN AN OBJECT (US 20180304325A1); Owner: Centre National De La Recherche Scientifique; Filed: 10/13/2016; Published: 10/25/2018; Issued: ; Est. priority date: 10/19/2015; Status: Active Grant; Abstract: Disclosed is a method and system for recovering …
Rare Earth Metal Recovery Systems & Technologies | SAMCO
Rare Earth Metals Recovery. SAMCO has plenty of expertise in applying membranes and various types of resins and chemical processes to separate out rare earth metals, such as cadmium, indium, and rhenium. Contact us to set up an immediate call with one of our engineers and see if our rare earth metals recovery innovations can help meet your needs.
Methods of Rare Earth Metal Recovery from Electronic Waste - Patent …
US-2021032725-A1 chemical patent summary.
Metals Rare How Mined Earth Are - dbc.arredamentinapoli.na.it
A soft, bright, silvery rare-earth element occurring in three allotropic forms and used as The total reserves of phosphorite ore in the world are about 100 billion tonnes, while their average content of REE is 0 0 per kg for neodymium oxide and US$78 Periodic table of the elements Monazite is a primary ore of several rare earth metals most ...
SYNTHESIS OF EUROPIUM HALIDE PEROVSKITES IN SOLUTION …
1. A solution phase synthesis process for preparing a rare earth perovskite, the process comprising: reacting an alkali metal material with a first surfactant ligand in the presence of a first solvent to obtain a first precursor complex solution; reacting a rare earth metal halide with a second surfactant ligand in the presence of a second solvent to obtain a second …
Recovery of rare earth metals - Patent US-2015203979-A1 …
US-2015203979-A1 chemical patent summary.
Rare Earths: Could Prices Fall Due to Japan-China Patent War?
The Chinese government is attempting to support domestic businesses by shoring up rare earths market conditions and the end of a patent could help. Skip to content Phone: (773) 525 - 9750
Recovery of Rare Earth Elements (REEs) Using Ionic Solvents - MDPI
Rare earth elements (REEs) are becoming more and more significant as they play crucial roles in many advanced technologies. Therefore, the development of optimized processes for their recovery, whether from primary resources or from secondary sources, has become necessary, including recovery from mine tailings, recycling of end-of-life products and urban and …
US3729397A - Method for the recovery of rare earth …
US3729397A - Method for the recovery of rare earth metal alloys - Google Patents IN A BORON NITRIDE SLEEVE AND MAINTAINED AS A CATHODE THROUGH AMOLYBDENUM CONNECTOR EXTENDING INTO THE MOLTEN...
What Are Rare Earth Metals? What Are They Used For? - Tech Metals …
Rare earths are also used as a refiner in gas used to fuel internal combustion engines. Rare earth magnets, like that of Neodymium-iron-boron, are used in sensors, and even ferrite magnets contain small amounts of rare earths and minor metals like Lanthanum and Cobalt to improve magnet performance by as much as 25%.
Recovery of Rare Earth Elements from Acid Mine Drainage
rare earth elements from coal and related byproducts. Our research team at West ia University, was awarded the first of nine grants in early 2016 to study the potential of extracting rare earth elements from AMD. AMD forms when pyritic waste rock from coal mines is exposed to air. This acid then leaches rare earth metals out of the rock.
Process for the separation and purification of rare-earth metals …
The present invention relates to a process for the separation and purification of rare-earth metals according to which a dilute solution of rare-earth metals (16), which arises from the separation and purification stage of the rare-earth metals (4, 12) by means of an ion exchanger (5, 13), is subjected to a separation treatment by a reverse osmosis membrane (18) in order to …
Georgiana Moldoveanu and Vladimiros Papangelakis
Rare Earth Metal Ions. Chem. Rev. 1965, 65, 1–50. [CrossRef] 57. Berthon, G. The Stability Constants of Complexes of Amino Acids with Polar Side Chains. ... The effect of biodegradable chelating agents on the recovery of rare earth elements (REE) from clay minerals via ion-exchange leaching was investigated, with the aim of proposing a cost ...
Biosorption for the recovery and analysis of rare earth elements …
The increasing demand of rare earth elements and platinum group metals requires alternative approaches for their recycling from waste. Decades of fundamental laboratory research on biosorption area have emphasised that bio-based materials (biosorbents) display high and versatile potential of metal preconcentration. However, the transposition of this …