Comprehensive Recovery& Sustainable Development of Phosphate Resources

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PG Use in Roads • PG makes a superior road base at a significantly lower cost than conventional road base materials • PG dries fast after rain falls thus down time in road construction • PG roads get better with aging Florida Industrial and <strong>Phosphate</strong> Research Institute
PG Use in Roads – Cost Comparison Item Cost, $/mile Tanner Road Windy Hill Parrish Road Road with PG Materials 35,009 47,719 0 Labor 28,912 38,408 9,511 Equipment 34,418 43,193 13,974 Total 98,339 129,320 23,485 Florida Industrial and <strong>Phosphate</strong> 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 and 20: Successful PG Uses in Agriculture
Page 21 and 22: Successful PG Uses in Agriculture
Page 23: PG Use in Construction in China •
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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