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Browsing Chemical Engineering by Supervisor "Wagener, J.B."
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Pienaar, A.D.
(University of Pretoria, 2014)
The processing of minerals containing tantalum and niobium is a challenge that has most modern researchers focused on optimising the processes that have already reached scientific maturity. Ore digestion in aqueous mixtures ...
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Gama, Jabulani Selby
(University of Pretoria, 2012-07-16)
A study of the reactions between molybdenum and tungsten disilicide (MoSi2 and WSi2) with anhydrous hydrogen fluoride and fluorine was carried out to investigate the chemical behaviour of the materials. These two compounds ...