Comprehensive Recovery& Sustainable Development of Phosphate Resources

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Techniques for Uranium Extraction from Phosphoric Acid • Solvent extraction (SX), the industrially proven process • Ion exchange (IX), the intensively investigated method with many promises • Precipitation, the “abandoned” process? Florida Industrial and <strong>Phosphate</strong> Research Institute
Solvent Extraction Based Technologies for U Recovery from Phosphoric Acid in Sulfate Media • DEPA-TOPO (also DEHPA-TOPO, D2EHPA- TOPO) uses di(2-ethylhexyl) phosphoric acid and trioctyl phosphine oxide as extractants (ORNL process) • OPAP uses octyl phenyl acid phosphate as extractant (ORNL process) • OPPA uses octyl pyro phosphoric acid as extractant (Dow process)
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 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: Recovery of Uranium from Phos. Acid
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

Comprehensive Recovery& Sustainable Development of Phosphate Resources

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