Browsing by Author "O' Connor, Cyril"

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Synergistic effects between thiol collectors used in the flotation of pyrite

Author: Bradshaw, Deidre Jane Date: 1997 This thesis investigates, firstly, whether synergism occurs between the thiol collectors, potassium n-butyl xanthate (PNBX) and cyclohexyl dithiocarbamate (cyclohexyl DTC) when a mixture of these collectors is used in the flotation of pyrite ... Read more
Synthesis, characterisation and olefin oligomerization over nickel, cobalt and zinc substituted synthetic mica montmorillonite

Author: Vogel, Alex Philip Date: 1996 Nickel, cobalt and zinc were substituted for structural octahedral aluminium in SMM. X-ray diffraction, together with elemental analysis, confirmed that a 2: 1 layered aluminosilicate had been formed. The inclusion of these metals facilitated ... Read more

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