Comprehensive Recovery& Sustainable Development of Phosphate Resources
Patrick ZHANG.pdf
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World Phosphogypsum Statistics<br />
• Calculation basis:<br />
o Annual rock production 200 Mt<br />
o 70% <strong>of</strong> the rock is used for wet acid production<br />
o 4.5tons <strong>of</strong> PG produced per ton <strong>of</strong> P2O5 produced<br />
o P2O5 in rock averaging 30%<br />
• Annual world PG production 189 Mt<br />
Florida Industrial and <strong>Phosphate</strong> Research Institute