Browsing Theses and Dissertations (Chemical Engineering) by Supervisor "Du Plessis, B.J.G.W."

Browsing Theses and Dissertations (Chemical Engineering) by Supervisor "Du Plessis, B.J.G.W."

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  • Mesoporous silica recovery from phlogopite by aqua regia leaching 
    Venter, Iwouda (University of Pretoria, 2015)
    Phlogopite is a mineral found in the Phalaborwa complex, which is mined in abundance and has little to no industrial use. Phlogopite in its raw form consists of between 40 50% silicon. Previous studies have yielded various ...
  • Selective leaching of phlogopite 
    Woest, Gerhard Stephanus (University of Pretoria, 2016)
    The study investigated the acid leaching of phlogopite and the parameters that play a role in the conversion as well as the selectivity of various acids. The parameters investigated were: Temperature, Solid to liquid ratio, ...