Now showing items 1-2 of 2

    • High-temperature thermal plasma treatment of monazite followed by aqueous digestion 

      Kemp, D.; Cilliers, A.C. (SAIMM, 2016)
      Monazite is a chemically inert, radioactive phosphate mineral that contains the light rare earth metals (Ce, La, Nd, Pr and Y), thorium and uranium. A new process, which improves the extraction efficiency of monazite, ...
    • Leaching of rare earth elements from bentonite clay 

      Van der Watt, J.G.; Waanders, F.B. (The Southern African Institute of Mining and Metallurgy, 2012)
      Due to increasing concerns of global rare earth element shortfalls in the near future, possible alternative sources of rare earth elements have recently become of economic interest. One such alternative is decanting ...