Application of cyclone technology in paste backfill plant Tailings to disc filters 11 500 tpd 11 500 tpd Underground U/G voids to fill 4 950 m3/day average 4 950 m3/day average Paste plant operating time daily average % % O/F = overflow and U/F = underflow Note 1 When backfill plant operating Tailings characterisation and particle size distribution The tailings sample obtained from the mill site and tested had a specific