Preparation of a Uranium Conversion Plant’s Nuclear Waste for Final Disposal by Means of Magnetically Assisted Chemical Separation

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Author(s): Ahad Ghaemi (Iran University of Science and Technology-School of Chemical Engineering, Iran), Mehdi Maghsudi (Iran University of Science and Technology, Iran), Fatemeh Hanifpour (Sharif University of Technology, Iran)and Mohammad Samadfam (Sharif University of Technology, Iran)
Copyright: 2014
Pages: 11
Source title: Nanotechnology: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-4666-5125-8.ch070

Keywords: Computer Science & IT / Engineering Science / Engineering Science Reference / Nanotechnology

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Abstract

Uranium is separated from the raffinate of Isfahan’s uranium conversion solvent extraction process by means of solvent coated magnetic nanoparticles. These particles were synthesized via chemical co-precipitation and were analyzed by XRD, TEM and TGA methods. The particles’ surface were modified with D2EHPA and analyzed with FT-IR method. The results revealed that 0.5 M nitric acid and 25% w/w D2EHPA on nanoparticles gives the maximum uranium extraction yield. The raffinate of the solvent extraction plant can be disposed safely after its uranium content reduces to the allowable values.

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Preparation of a Uranium Conversion Plant’s Nuclear Waste for Final Disposal by Means of Magnetically Assisted Chemical Separation

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