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Characterization of leach residue processing solids

Pannirselvam, M, Tardio, J, Antolasic, F, Grocott, S and Bhargava, S 2009, 'Characterization of leach residue processing solids', in Moses Tade (ed.) Chemeca 2009, Perth, Australia, 27 - 30 September 2009, pp. 1-10.

Document type: Conference Paper
Collection: Conference Papers

Title Characterization of leach residue processing solids
Author(s) Pannirselvam, M
Tardio, J
Antolasic, F
Grocott, S
Bhargava, S
Year 2009
Conference name Chemeca 2009
Conference location Perth, Australia
Conference dates 27 - 30 September 2009
Proceedings title Chemeca 2009
Editor(s) Moses Tade
Publisher Engineers Australia
Place of publication Perth, Australia
Start page 1
End page 10
Total pages 10
Abstract Characterisation of solids encountered in hydrometallurgical processes is important for gaining an improved understanding of the physical and chemical transformations occurring and to ensure optimal management of waste. These solids are usually complex and consist of polycrystalline and sometimes poly-amorphous minerals / compounds. In this study the composition of solid samples generated during hydrometallurgical processing of leach residue were investigated using X-ray diffraction (XRD) and diffuse reflectance Fourier transform Infrared spectroscopy (DRIFTS). Siroquant software was used in conjunction with XRD results to determine the percentage of crystalline phases. XRD and DRIFTS analysis of different size fractions of the samples revealed that that this methodology showed potential of fractionating leach residue samples however further fractionation of the whole rock using suitable technique may lead to the production of sub-samples (with more amorphous content). FTIR results shows that jarosite species is present in all fractions (4.53 to 0.8 micro m).
Subjects Mineral Processing/Beneficiation
Keyword(s) Hydrometallurgy
X-rays - Diffraction
Leaching
Fourier transform infrared spectroscopy
Copyright notice © 2009 Engineers Australia & the authors
ISBN 9780858259225
 
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