Now showing items 1-2 of 2

    • Control of pore structures and activity of PGM-alumina exhaust catalysts 

      Coetzer, Gerrit (1995)
      Pore sizes in y-alumina were controlled with additives (porogens) during formation of aluminium hydroxide. Porogens were active in the mesopore range with a sharply defined pore size distribution. Porogens that enhanced ...
    • The development and implementation of new TTC flotation chemicals 

      Viljoen, Gerhardus Petrus (Potchefstroom University for Christian Higher Education, 1998)
      Batch floats were done on Merensky ore from Section 10 at Impala Platinum. The ultimate objective of this project was a pilot plant trial and certain questions had to be answered before the trial could be conducted. To ...