Publication: Extraction of tin and tungsten from middlings by physical methods
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Date
2024-08-01
Authors
Siti Fairuz Binti Idris
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Abstract
The growing demand for tin and tungsten, combined with the depletion of
high-grade ore resources, needs more efficient extraction methods from lower-grade
middling. This research examines the present extent of knowledge on selective
methods of recovery for tin and tungsten from difficult materials. This research aims
to study about characterization, extraction, and the capability of recovery valuable
minerals left in middling. For mineralogical and chemical composition research,
including grade analysis and process selection, particle size analysis, observation
under light reflected microscope, X-ray Fluorescence (XRF), and X-Ray Diffraction
(XRD) will be used. At the beginning of the research, the raw sample will go through
visual observation, microscopic analysis, XRD analysis, and XRF analysis. A mozley
table will be used to separate the raw samples. Following the completion of the
mozley table procedure, the high specific density samples will go through to the
magnetic separator. Finally, when the magnetic procedure is complete, the magnetic
samples will go through to High Tension Roll Separator. Samples from every physical
process needed are pulverised and the results were analyzed using XRF and XRD. It
requires modern extraction technologies that raise recovery rates and refine
procedures, resulting in greater efficiency and purity of these metals. The knowledge
obtained from this study can help improve the recovery of tin-tungsten from lowgrade
middling.