1)
100 t/zi ............................. 100% impur
impuritati t/zi ................... 65%
= 65 t/zi impuritati
2)
p% = mp.x100/m.ip
=> mp = mipx100/p% = 100x35/100
= 35 t/zi pirita
3)
debitul de pirita care se transforma este 35x80/100 = 28 t/zi
1 t = 1000 kg
1 zi = 24 h
=> 28000/24 = 1,167 kg/h
4)
Intrari = Iesiri
m.pura + m.impur = m.produs + m.imp.