Comprehensive Recovery& Sustainable Development of Phosphate Resources

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Successful PG Uses in Agriculture • PG contains nutrients Ca, S and P • PG enhances root growth thus helping plants absorb other nutrients, especially • Dissolution of PG in soil provides essential electrolytes to maintain hydraulic conductivities and increase infiltration rates thus preventing crusting and reducing erosion. Florida Industrial and Phosphate Research Institute
Successful PG Uses in Agriculture • Application of 500 lbs PG per acre tripled NCS31 peanut yield in Georgia, USA • Use of PG more than doubled apple yield while increasing calcium content in Brazil • Application of 176 lbs PG per acre nearly doubled crimson clover yield in Florida, USA • Application of 4.5 ton PG per hectare on a sodic soil increased cotton yield by at least 40% in Kazakhstan Florida Industrial and Phosphate Research Institute
Page 1 and 2: Comprehensive Recovery& Sustainable
Page 3 and 4: Summary of World Phosphate Mining
Page 5 and 6: Improving Phosphate Recovery • Im
Page 7 and 8: Types of Phosphate Ores Based on Be
Page 9 and 10: Utilization of Low-grade Phosphate:
Page 11 and 12: Major Wastes Generated by the Phosp
Page 13 and 14: Basic Properties of Florida Phospha
Page 15 and 16: “Wet Process” Phosphoric Acid P
Page 17 and 18: Problems with Phosphogypsum Stacks
Page 19: Successful PG Uses in Agriculture
Page 23 and 24: PG Use in Construction in China •
Page 25 and 26: PG Use in Roads - Cost Comparison I
Page 27 and 28: Use of Phosphogypsum -Challenges
Page 29 and 30: Production of Ammonium Phosphates D
Page 31 and 32: “Wet Process” Phosphoric Acid P
Page 33 and 34: Average Uranium and Thorium Content
Page 35 and 36: Uranium in Phosphate: Basic Facts
Page 37 and 38: Form of Uranium in Phosphate Rock
Page 39 and 40: Recovery of Uranium from Phos. Acid
Page 41 and 42: Solvent Extraction Based Technologi
Page 43 and 44: DEPA/TOPO Based Process: Pretreatme
Page 45 and 46: DEPA/TOPO Based Process: Two-cycle
Page 47 and 48: Second Wave Uranium Recovery Plants
Page 49 and 50: U Recovery from Concentrated Phos.
Page 51 and 52: Advantages of the Nitrate Route •
Page 53 and 54: Recovery of Uranium from Phos. Acid
Page 55 and 56: Egyptian Pilot Testing Program on U
Page 57 and 58: Acid Pre-treatment Columns Carbon c
Page 59 and 60: First Cycle Stripping Three mixer-s
Page 61 and 62: The Tunisia Pilot Plant for U Recov
Page 67 and 68: Recent R&D Efforts: Pilot Testing o
Page 69 and 70: Summary of Urtek Pilot Testing •
Page 71 and 72:
Urtek Pre-feasibility Study: Cost N
Page 73 and 74:
Phosphates with High REE • A Cana
Page 75 and 76:
Rare Earth Elements in the Phosphat
Page 77 and 78:
Recovery of REE from Phosphoric Aci
Page 79 and 80:
Recovery of REE from Phosphate: Com
Page 81 and 82:
Other Recoverable Elements from Pho
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Comprehensive Recovery& Sustainable Development of Phosphate Resources

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