1. Rare Earth Metals and the Importance of Reusing Technology

    Rare earth metals are used to make light bulbs, cell phones, electric cars, MRI machines, camera lenses, and other technology. Although rare earth metals are critical in the technology we use every day, mining and processing these metals is extremely hazardous to the environment.

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  2. Rare Earth Processing: Mastering the Art | INN

    Many industry insiders have cited the one factor in any potentially profitable rare earth operation; economically processing and separating pure rare earth oxides. Unlike most other metals, the...

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  3. Processing Is Key Element in US Rare-Earth Woes| Rare ...

    Green technologies such as electric cars, wind turbines, solar panels and fluorescent light bulbs rely on rare-earth metals. The military depends on rare earths for guided missile systems ...

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  4. Rare Earth Elements: A Review of Production, Processing ...

    Rare Earth Elements: A Review of Production, Processing, Recycling, and Associated Environmental Issues Robert J. Weber Superfund and Technology Liaison. U.S. EPA Office of Research and Development. Office of Science Policy. Duty Station: U.S. EPA Region 7, Kansas City, Kansas. David J. Reisman. Director, Engineering Technical Support Center

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  5. Rare Earth Processing Technology - Harper International

    Rare Earths. Ideal thermal processing technology solutions for rare earths include Rotary and Pusher systems, which employ indirect firing methods as a superior approach to deliver increased product purity and decreased energy consumption. Process materials come in contact only with controlled gases and a pure metal / ceramic tube.

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  6. Rare-Earth Separation - Innovation Metals Corp

    In recent years there has been a significant effort to find and to develop potential new sources of rare-earth elements (REEs) outside of China. While numerous such sources have now been discovered and are under development, there is very little capacity outside of China for the subsequent processing and separation of the REEs, once they have been removed from the ground.

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  7. A Look at Rare Earth Metals and Their Applications

    Nov 18, 2018· Rare earth metals are actually not as rare as their name might imply. Critical to high-performance optics and lasers and key to the most powerful magnets and superconductors in the world , rare earths are simply more difficult to mine than most metals and generally don't accumulate into rich ores.

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  8. Rare Earth Elements - Massachusetts Institute of Technology

    Rare earth elements occur in many minerals but typically in concentrations too low to be refined in an economical manner; the concentration of REEs in the Earth's crust is estimated to be between 150 to 220 parts per million, which is higher than the concentration of other metals mined for industrial use, such as Cu or Zn.

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  9. Rare earth elements(REE): industrial technology, smelting ...

    Currently, the raw materials for producing rare earth elements are their chloride and fluoride. Molten salt electrolysis; Industrial mass production on mixtures of rare earth metals generally employs the molten salt electrolysis method. Meanwhile, the electrolysis process includes two methods: chloride electrolysis and oxide electrolysis.

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  10. Rare earth processing: a complicated proposition | Energy ...

    Sep 27, 2014· Rare earth processing: a complicated proposition. Unlike other minerals such as gold and silver, rare earth elements can’t be removed from the ground and with little effort formed into a final product. Complexities stem first from the fact that rare earths are actually a group of 17 elements that naturally occur together.

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