Browsing Chemical Engineering by Supervisor "Lubbe, Salmon"

Browsing Chemical Engineering by Supervisor "Lubbe, Salmon"

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  • Ammonium fluoride : transition metal purification 
    Yapi, Litha (University of Pretoria, 2017)
    Pelchem NF3 plant produces an ammonium acid fluoride waste stream. The material of construction for the piping and stirrer fabrication in the plant is Monel. As a predominantly nickel-copper alloy, with minute quantities ...
  • Extraction and separation of zirconium and hafnium using octanol 
    Kabangu Mpinga, John (University of Pretoria, 2019)
    Zirconium (Zr) and hafnium (Hf) metals have drawn considerable attention due to their various applications, especially in the nuclear industry where zirconium is used as a cladding material for nuclear reactors due its low ...
  • Lithium extraction from Zimbabwean petalite using ammonium bifluoride 
    Mwepu, Kalenga Tite (University of Pretoria, 2020-02-14)
    Extraction of Li2CO3 from Zimbabwean petalite, from the Bikita deposit, was studied using ammonium bifluoride (ABF) digestion at temperatures ranging from room temperature to 600 oC, and gram quantities of ore. ABF digestion ...