what 70 bpl stands for in phosphate « BINQ Mining
Apr 26, 2013· Mining Journal – Phosphate Rock 2007 1 Jan 2007 . The phosphate industry entered a new phase in the first quarter of 2007 .. World capacity is now thought to stand at Mt/y, giving an .. These ores require washing to produce 6769% BPL and 7577% . The southern pyroxenite pit will have a life of more than 70 years at the planned production rate.