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MEI Online: MEI Conferences: Reagents 06: Technical Programme

Home General Introduction Conference Report Conference Programme Published Papers Delegate List Photos  


Thursday 16th November

Keynote Lecture

The growth and development of the South African mining chemical business
J. Aupiais (Senmin Pty Ltd, South Africa)


Optimisation of Water and Reagent Suites

New technology and approaches in reagent development and applications in the processing of base and precious metals and industrial minerals
D.R. Nagaraj (Cytec Industries Inc., USA)

Balancing the reagent suite to optimise grade and recovery
M.M. Valenta (Metallicon Process Consulting (Pty) Ltd, South Africa)

Reverse flotation of Brazilian impurity carbonate
J.J. Varela, H. Wotruba (Technische Hochschule Aachen, Germany), W. Aliaga and C.O. Petter (Universidade Federal do Rio Grande do Sul, Brazil)

A novel approach to residue dry stacking utilizing Ciba® RHEOMAXTM ETD technology
R. Daubermann, S. Foster (Senmin Pty Ltd., South Africa), I. Flanagan (Ciba Specialty Chemicals, UK) and J. Lamperd (Ciba Specialty Chemicals, Australia)


Sulphidisation of Oxidised Ores

Sulphidisation studies on the Nchanga underground and open pit ores of Konkola Copper Mines of Zambia
S. Simukanga (University of Zambia, Zambia), C. Tepa (Copperbelt University, Zambia), M. Harris and C. O'Connor (University of Cape Town, South Africa)

The novel use of sodium hydrosulfide to restore the flotation of oxidised sulfide minerals
A.J.H. Newell and D.J. Bradshaw (University of Cape Town, South Africa)

The roles of complexing agents in the sulfidisation and xanthate flotation of cobalt oxy hydroxides of copper-cobalt oxides ores from the Congolese Copperbelt
D. Bastin, J. Frenay (University of Liege, Belgium) and N. Vermaut (Compagnie Miniere du Sud Katanga, Congo)


Reagents Fundamentals

Spectroelectrochemical investigation of 2?mercaptobenzothiazole, and butylethoxycarbonylthioura adsorption on metals and minerals
G. Hope, R. Woods and F. Buckley (Griffith University, Australia)

Unveiling the effect of particle size, collector coverage and liberation of the floatability of galena particles in an ore
S.M. Vianna, J-P. Franzidis and E.V. Manlapig (JKMRC, Australia)

Adsorption behaviour of xanthate and dithiophosphinate from their mixtures on chalcopyrite and pyrite
E. Bagci, Z. Ekmekci (Hacettepe University, Turkey) and D. Bradshaw (University of Cape Town, South Africa)

The use of ToF-SIMS and microflotation to assess the reversibility of binding of CMC onto talc
G.C. van Leerdam (Akzo Nobel, The Netherlands), L.A.S. Parolis, R. van der Merwe and B. Oostendorp (University of Cape Town, South Africa)

Adsorption of guar gum and CMC on pyrite
O. Bicak, Z. Ekmekci (Hacettepe University, Turkey), D. Bradshaw and P. Harris (University of Cape Town, South Africa)

Viscosity behavior of polymeric flocculant solutions
C. Rattanakawin (Chiang Mai University, Thailand) and R. Hogg (Pennsylvania State University, USA)

AFM as a tool for studying adsorption/deposition of octadecylamine on KCl crystals in NaCl-KCl saturated brine
N. Schreithofer, K. Heiskanen (Helsinki University of Technology, Finland) and J.S. Laskowski (University of British Columbia, Canada)


Friday 17th November

Flotation Depressants

Utilization of humic acid as a depressant for hematite in the reverse flotation of iron ore
I.D. dos Santos and J.F. de Oliveira (COPPE/UFRJ, Brazil)

The effect of guar gum depressants on the recovery of sulphide and gangue minerals from a Merensky ore
J.K. Kitenge, D.J. Bradshaw and P.J. Harris (University of Cape Town, South Africa)

The response of sulphide and gangue minerals in the Merensky Reef to high depressant dosages
J. Wiese, P. Harris and D.Bradshaw (University of Cape Town, South Africa)


Flotation Collectors and Frothers

Development of an improved copper collector by harnessing frother - collector interactions on an industrial scale
B.J.I. Adair (JKMRC, Australia), C. Veloo (Kennecott Uta Copper, USA) and D.A. Latti (Rio Tinto Technical Services, Australia)

Bioflotation of calcite and magnesite using rhodococcus opacus
B.A.E. Casas and M.L. Torem (Catholic University of Rio de Janeiro, Brazil)

Alternative collectors in the flotation of an igneous phosphate ore
L.A. F. Barros (Fosfertil, Brazil), E.E. Ferreira (CVRD, Brazil) and A.E.C. Peres (UFMG, Brazil)

Eucalyptus oil as flotation reagent - déjà vu all over again
J.-P. Franzidis and P. Holtham (JKMRC, Australia)

Chelating reagents for flotation
A.Marabini, M. Barbaro, M.Ciriachi and P. Plescia (Italian National Research Counci - Mineral Processing Institute, Italy)

The effect of reagents and size range in the flotation of quartz
A.M. Vieira and A.E.C. Peres (UFMG, Brazil)

The development and application of Ausmelt's AM2 alkyl hydroxamate flotation reagent for oxidised base metal ores and minerals
T.C.Hughes, R.Chowdhury, J.McLean, G.Percival (Ausmelt Chemicals, Australia), G.Sheldon (Minmet, Australia)




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