P1103 – Customised NPKS Fertilisers
P1102 – A Technical Review of the Improved Hard Process
P1101- Recent Developments in Beneficiating Chilisai Phosphate Ore
P0803 – The Role of Surfactants on Collectors and Modifiers for Improving Phosphate Flotation
P0804 – Understanding the Flotation of Florida Refractory Phosphate Ore: The value of characterization studies
S0801 – Uranium Recovery from Phosphoric Acid
PowerPoint S0801 » View PDF Presentation
Details: Presented at Phosphates 2008, Paris.
Date: February 2008
Authors: Marten Walters, Thomas Baroody and Wes Berry (K-Technologies)
This paper examines different technologies that can be used to extract uranium oxide (U3O8) from phosphoric acid: Solvent extraction (SX) developed in the 1970’s and 1980’s; and Advanced Technology (AT) that offer simpler processing techniques, lesser equipment requirements, and lower capital and operating costs compared with SX.
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P0602 – Phosphoric Acid Plant for PMP
P0601 – MegaPhosphates – Large-scale Phosphoric acid and Granulation Plants
Paper P0601 – View PDF
Details: Presented at Phosphates 2006, Brussels.
Date: April 2006
Authors: Marten D. Walters, David M. Ivell, and Joseph I. Bull
This paper presents conceptual designs for large single-train phosphoric acid and DAP plants. A 5,000 t/d P2O5 phosphoric acid and a 5,000 t/d DAP plant using proven technology and equipment already in service or planned to be in use soon is described.
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P0301 – Energy Saving Options in Granulation Plants
Paper P0301 – View PDF
Details: Presented at the Central Florida AIChE Convention, Clearwater, Florida.
Date: June 2003
Authors: C. B. Snyder and M. D. Walters
This paper presents a number of proven methods to modify granulation plants to reduce energy costs. Specifically: Pipe Reactor; Recycle Warm Air; Improved Recycle Control; Waste Heat Ammonia Vaporizer; Bulk Flow Cooler. The features, costs, energy savings, and other benefits for each of these options are described.
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