A new magnetic way to separate rare earths
One of the experiments allowed the researchers to obtain 99.7% dysprosium in one step from a 50/50 mixture of lanthanum and dysprosium. (Image by Thierry Eann, Flickr).
Seeking new ways to extract 'rare earth' metals
They'll work to develop a new way to effectively recover four valuable rare earth elements from phosphogypsum, a mining waste mixed with radioactively contaminated water. If successful, that could accomplish two specific goals: Provide a new U.S. source for several specific rare earth metals.
A cleaner, more efficient way to process and recycle rare …
A cleaner, more efficient way to process and recycle rare earth elements. Harrison Tasoff. The world is going to need a lot of d metals in the coming years, …
They made a material that doesn't exist on Earth.
And to acquire those properties, they need a special ingredient: a rare earth. Rare earths aren't that rare. They're elements …
We need rare earth elements for a greener future, but …
The site has already shipped its first rare earth concentrate to its processing facility owned by parent company Vital Metals in Saskatoon. All mining comes with a footprint
A green and efficient technology to recover rare earth
Heavy rare earth elements (HREEs) such as Gd–Lu, Sc and Y are irreplaceable metals for a number of critical (including clean) technologies, but they are scarce. Ion-adsorption deposits, which ...
Towards sustainable extraction of technology materials through
The 2020s will see substantial demand growth for lithium, cobalt, nickel, graphite, rare-earth elements, manganese, vanadium and other materials, due to the transition to renewable energy.
Researchers explore mining seawater for critical metals
Brines come from a number of sources: much new research focuses on the potential for extracting metals from briny wastes generated by industry, including coal-fired power plants that discharge ...
Scientists find efficient way to extract rare earth from acid …
What the lead author of the study Behzad Vaziri Hassas and his colleagues found is that they could extract a higher concentration of rare earths and other critical minerals by adding carbon ...
Scientists Have Figured Out a Better Way to …
Rare earth elements (REEs) are essential for the production of many modern gadgets and machines, from smartphones and solar panels, to computer chips, medical imaging, and jet engines.Despite …
Rare Earth Metals
India has the world's fifth-largest reserves of rare earth elements, nearly twice as much as Australia, but it imports most of its rare earth needs in finished form from China. In 2019, the US imported 80% of its rare earth minerals from China while the European Union gets 98% of its supply from China.
The Potential of Vietnam's Rare Earth Elements
To be more solid, Vietnam needs to build a connected chain from mining, refining ore, extracting rare earth metals to the manufacturing sectors applying rare earths; on one hand, creating an advantage to attract more foreign investment in high technology fields, and on the other hand, building a foundation for Vietnamese people to …
Rare-earth element
Rare-earth element - Processing Ores: All rare-earth ores contain less than 10 percent REO and must be upgraded to about 60 percent in order to be processed further. They are first ground to a powder and then separated from the other materials in the ore body by various standard processes that include magnetic and/or electrostatic …
Western start-ups seek to break China's grip on rare
While US scientists helped develop solvent extraction for rare earths in the 1950s, radioactive waste from the process gradually made it unpopular in the United States.
Scientists develop greener method for extracting gold from …
In a paper published in the journal Nature Chemical Engineering, the scientists note that gold used in electronics accounts for 8% of the metal's overall demand, and 90% of the gold used in ...
Critical Materials: Researchers eye huge supply of rare-earth …
Researchers have examined a method to extract rare-earth elements from mining waste that could provide the world with a reliable supply of the valuable materials. The research, led by Idaho National Laboratory and Rutgers University with support from the Critical Materials Institute, is online and in an upcoming issue of the Journal of …
Not So "Green" Technology: The Complicated Legacy of Rare Earth Mining
For every ton of rare earth produced, the mining process yields 13kg of dust, 9,600-12,000 cubic meters of waste gas, 75 cubic meters of wastewater, and one ton of radioactive residue. This stems from the fact that rare earth element ores have metals that, when mixed with leaching pond chemicals, contaminate air, water, and soil.
Novel devices for the extraction and recovery of rare-earth metals
Efficient waste management practices can utilize waste as a resource for the recovery of valuable metals. Rare-earth metals have significant economic importance and are currently in high demand because of their strategic industrial applications. These metals are critical to the development of advanced devices. However, the supply of critical …
New environmentally friendly method to extract and separate rare-earth …
A new method improves the extraction and separation of rare-earth elements—a group of 17 chemical elements critical for technologies such as smart phones and electric car batteries—from unconventional sources. New research led by scientists at Pennsylvania State University and LLNL demonstrates how a protein isolated from …
23.2: Principles of Extractive Metallurgy
rare earth elements (lanthanides, La-Lu, and Y; labeled in blue); ... The field is a materials science, covering all aspects of the types of ore, washing, concentration, separation, chemical processes and …
Rare earth mining may be key to our renewable …
MP Materials bought the mine in 2017 and resumed mining later that year. By 2022, Mountain Pass mine was producing 15 percent of the world's rare earths. MP Materials, too, has an ambitious ...
A clean way to extract rare earth metals
Rare earth metals — those 17 chemically similar elements at the bottom of the periodic table — are in almost every piece of technology we use from cell phones to wind turbines to electric cars. …
Extracting rare earth elements from existing coal mines
Lately, the news of rare earth element mining has been focused on extraction in areas previously untouched. Meaning that even more earth will have to be moved and mined to gain access to these crucial metals. What if rare earth elements could be extracted from already existing mines where the ...
Green Gold: Turning E-Waste Into a Treasure …
Scientists are developing a process inspired by nature that efficiently recovers europium from old fluorescent lamps. The approach could lead to the long-awaited recycling of rare earth metals. A small …
Rare earth elements from waste | Science Advances
Rare earth elements (REEs) are strategic resources in modern electronics, clean energy, and automotive industries ().Concentrated aqueous acid leaching of the REE minerals, followed by biphasic solvent extraction, has been the dominant scheme for REE mass production ().However, the resource- and pollution-intensive production has a …
Research progress of rare earth separation methods and …
The experimental results confirm that rare-earth ions can be separated into three groups: light, medium, and heavy, by controlling the selective enrichment behavior of the ions (Table 1). 41 Compared to conventional organic water biphasic extraction, this new method has potential advantages in the group separation of rare-earth ions, which …
Mining rare earth metals from electronic waste | ScienceDaily
Mining rare earth metals from electronic waste Date: July 9, 2024 Source: ETH Zurich Summary: A small molecule that naturally serves as a binding site for metals in enzymes also proves useful for ...
It's electric! Technique could clean up mining of valuable rare earth
Technique could clean up mining of valuable rare earth elements ... In-situ leaching to extract rare earth elements, such as at this mine in southern China, leads to water and soil pollution and large volumes of toxic waste. A Chinese group has proposed a new, cleaner approach that relies on electric currents to separate the elements from the ...
Environmental impacts of rare earth production | MRS …
Rare earth elements (REEs) are important raw materials for green technologies. However, REE mining and production uses techniques that are often not environmentally sustainable. Life cycle assessment (LCA) is a well-recognized method for evaluating the environmental impacts of products and technologies. This article provides …
Mining
Mining is the process of extracting useful materials from the earth. Some examples of substances that are mined include coal, gold, or iron ore.Iron . ore is the material from which the metal iron is produced.. The process of mining dates back to prehistoric times.. Prehistoric people first mined flint, which was ideal for tools and …