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Rare Earth Salts was founded by Dr. Joseph Brewer, who has developed patented technologies for the separation and refining of rare earth elements to high purity from various feedstocks worldwide, including both ore-based and recycled material.


Rare Earth Salts has developed commercial processes to produce three of the “BIG 4” most critical rare earth oxides: Neodymium, Praseodymium and Terbium; and is also producing Cerium, Europium, Lanthanum and Yttrium.

Rare Earth Salts has worked closely with the U.S. government, including the Department of Defense and Department of Energy

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