Medallion Resources has produced a calcium phosphate by-product through the recent bench-scale metallurgical testing of its rare-earth extraction process. The company said phosphate typically makes up 24% to 29% of the mineral monazite, which is the feedstock for its rare-earth extraction process.\n\nOnce in production, the by-product is expected to represent an additional revenue stream for Medallion. Medallion Resources President & CEO Don Lay said that their rare-earth extraction flow sheet makes available the phosphate component of the monazite feedstock as they produce a refinery-ready, rare-earth concentrate.
A side benefit is that they can also produce a high-quality calcium phosphate, which they expect will find a ready market near their proposed plant site. Although this phosphate by-product is unlikely to be a significant revenue driver for their project, all sources contributing to their project economics are important.\n\nEarlier this month, Medallion unveiled results of its bench-scale metallurgical tests, supporting the viability of its proposal for extraction of rare earths from by-product monazite sand. The tests recovered an average of 91% of ten rare-earth elements and yielded a mixed rare-earth concentrate from the tested monazite.
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