"As a ore beneficiation investigator through our laboratory at the University, we have made experiments and tests in Venezuelan gold and other heavy minerals. One of our machines is the KC 3" for gravity concentration. We have tested material from a pond that has a grade of 0.829 g/ton in grains 81,25% 400 mesh. In second step, where we controlled pulp, % solid weight, feed, water fluid and we recover 8,49 g/ton. Also, the equipment is currently used in the student practices every semester, in a subject named Mineral Preparation and Concentration in 4th year plan for the future mining engineer." - Monica Martiz, Mining Engineer - Universidad Central de Venezuela, Venezuela ...more > >