CMI Project 1.2.4 Total utilization of phosphogypsum waste for production of rare earth elements, fertilizers, and construction materials Research Highlights

Overcoming the ultimate hurdle for REE recovery and utilization of phosphogypsum (PG) waste

CMI researchers from FIPR Institute and Florida Polytechnic University conducted the activity for this highlight

Figure: Terminal velocity from settling tests (top) and settling velocity of 400 mesh gypsum (Eq. 1, R2=1) and monazite/xenotime (Eq. 2, R2=1) particles (bottom).

REE separation/purification from phosphogypsum leachate

CMI researchers from Pacific Northwest National Laboratory conducted the activity for this highlight

Batch contact solvent extraction sample testing REE separation from phosphogypsum leachate

Novel technology to upcycle calcium silicate for cement materials

CMI researchers from FIPR Institute, Florida Polytechnic University conducted the activity for this highlight

image of a table showing type of sample and calcium carbonate yield

Unlock the characteristics of phosphogypsum (PG)

CMI researchers from FIPR Institute, Florida Polytechnic University, Rutgers University, Pacific Northwest National Laboratory, Oak Ridge National Laboratory and Florida International University conducted the activity for this highlight.

Size distribution of main components in PG