crashers for feldspar 5mm size
The feldspar samples were crushed in a "Denver" pilot jaw crusher followed by a "Wedag" roller in closed cir-cuit with 3.5 mm screen. The 3.5 mm crushed products were mixed thorou− ghly, then quartered by a "Jones" sampler to about 3 kg batches. One of these batches was finely ground to
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