Dianna Grotto
mineral processing engineer, Minerals Research Laboratory
(704) 251-6155
grotto@eos.ncsu.edu
www.engr.ncsu.edu/mrl/
Extraction of minerals from ore by froth flotation, gravity separation,
magnetic separation and grinding.

James Tanner, Jr.
senior process engineer, Minerals Research Laboratory
(704) 251-6155
tanner@eos.ncsu.edu
www.engr.ncsu.edu/mrl/
Extraction and different uses of kaolin and mica.