Rainbow Rare Earths, St. Peter Port, Guernsey, has announced that it has entered into a Master Agreement with OCP SA and Morocco’s Mohammed VI Polytechnic University to investigate and develop the optimal technique for the extraction of rare earth elements from phosphogypsum.
Phosphogypsum contains rare earths as a byproduct of phosphoric acid production. The parties intend to work together on the development of pilot and industrial-scale extraction of rare earths from phosphogypsum.
Rainbow said it has expertise and intellectual property on rare earths extraction and processing completed with the separation technology licensed from K-Technologies Inc., Lakeland, Fla.