Potash Feldspar Recovery Process
The sulfides, mica, and feldspar were floated in turn and produced a potash feldspar containing the following, in percent: K2O, Na2O, CaO, Al2O3, and SiO2. Sample NMA. Petrographic analysis of sample NMA showed that dark minerals were locked with feldspar and quartz grains. A potash feldspar concentrate