Harleigh Hobbs reports that DOE has announced that three projects have been selected to receive approximately US$3 million for research aimed at producing salable rare-earth elements (REEs) from domestic coal and coal byproducts (Ash?). In addition, DOE has announced the availability of an additional US$3.95 million for projects in three new topic areas to accelerate separation and extraction processes for REEs. REEs are a series of 17 chemical elements found in the Earth crust. Due to their unique chemical properties, REEs are essential components of technologies spanning a range of applications, including electronics, computer and communication systems, transportation, health care, and national defense.
The demand for REEs has grown significantly in recent years, stimulating an interest in economically feasible approaches for domestic REE recovery. Since 2014, DOE has engaged in research to determine the economic feasibility of producing REEs from domestic coal and coal by-products. The new projects were selected under the Production of Rare Earth Elements from Domestic U.S. Coal and Coal Byproducts funding opportunity announcement (FOA). Descriptions of the selected projects follow .. High Yield, Economical, Large Scale Production of Marketable Rare-Earth Element Products from Coal Mining Refuse... Equinox Chemicals LLC (Albany, GA) and project partners will conduct laboratory testing and prepare a technical design for a pilot plant to produce useful REEs.
They will use by-products from an existing eastern Kentucky coal preparation plant as their source of REEs. Their Phase 1 design will consider recovery and sale of coal from these preparation plant byproducts as an additional source of revenue. DOE cost US$999 983. Recovery of Rare-Earth Elements from Coal Mining Waste Materials: Inventure Renewables (Tuscaloosa, AL) and project partners will use coal-related materials from an eastern Pennsylvania anthracite coal mine as their source of REEs. Read on ..
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