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MEI Online: MEI Conferences: Reagents 04: Technical Programme

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Wednesday 16th June

08.45 Opening Remarks
B.A. Wills (UK)

09.00 Poster Introductions

09.00 Force-chemical factors in coagu-flocculation mechanism of inorganic flocculant
Zhan Han-hui, Zhang Xiao-qi (Zhuzou Institute of Techhnology, China) and Zhan Xue-hui (Central South University, China)

09.10 Anglesite sulphidization and flotation: a study for lead recovery from residues
M.A. Yazdi, F. Rashchi, H. Abdizadeh (University of Tehran, Iran)

09.20 Recovery of lead from zinc leach residue of an oxidic ore of Angouran mine
A. Dashti, F. Rashchi, H. Abdizadeh (University of Tehran, Iran)

09.30 Flotation of oxide lead-zinc ores
G. Önal, G.Bulut, A. Gül, O.Kangal, K.T. Perek, F. Arslan (Istanbul Technical University, Turkey)

09.40 Cheaper and effective adsorptive removal of heavy metals using orange and apple waste
R. P. Dhakal, K. N. Ghimire, K. Inoue (Saga University, Japan) and K. Makino (Yamasoh Micron Inc., Japan)

09.50 The use of a novel oxime derivative (phenyl(n-methylaniline)ketooxime) as leach reagent in copper(II) hydrometallurgy
F.J. Sueros Velarde, H. Oporto Siles (Universidad Nacional de San Agustin, Peru), and A.F. Danil de Namor (University of Surrey, UK)

10.00 Poster viewing and coffee

11.00 Technical Session 1- General
Chairman: R. Pascoe (UK)

11.00 An overview of the use of chemical reagents in mineral processing
M.J. Pearse (Ciba Specialty Chemicals, UK)

11.30 Reagent selection and optimization – a holistic approach
D.R. Nagaraj (Cytec Industries, Inc., USA)

12.00 The use of reagents to aid the sampling of segregative solid materials
G. Bonifazi, M. Ferrini, A. Manni and P. Massacci (University of Rome, Italy)

12.30 Lunch

14.00 Technical Session 2- Froths and Foams
Chairman: M.L. Torem (Brazil)

14.00 Process reagents for the enhanced removal of solids and water from oil sand froth
D. Madge (SNC Lavalin Inc., Canada), J. Romero (Canadian Natural, Canada) and W.L. Strand (Albian Sands Energy Inc., Canada)

14.30 The effects of frother and collector distribution on flotation performance
K. Hadler, J.J. Cilliers (UMIST, UK) and Z. Aktas (Ankara University, Turkey)

15.00 Foaming of polypropylene glycol mixtures
R.J. Pugh (Agricola Research Centre, Sweden), Su Nee Tan, D. Fornasiero and J. Ralston (Ian Wark Research Institute, Australia)

15.30 New application of pine oil as an antifoam in acidic leaching of oxidized ores
M. Abdollahy (Tarbiat Modarres University, Iran), S. Moradi and F. Hejazi (Kahanroba Consultants, Iran)

16.00 Coffee

16.30 Optional Coastal Path Walk

Thursday 17th June

09.00 Technical Session 3- Froth Flotation
Chairmen: D.R. Nagaraj (USA), G. Önal (Turkey) and D.J. Bradshaw (South Africa)

09.00 Interactions of long hydrocarbon chain mercaptans with preoxidised surface of sulphide minerals and flotation
L.O. Filippov, I.V. Filippova, O. Barrčs, J. Yvon (Laboratoire Environnement et Mineralurgie, France) and D. Anglerot (Atofina-Total, France)

09.30 The influence of the reagent suite on the flotation of ores from the Merensky Reef
J.G. Wiese, P.J. Harris and D.J. Bradshaw (University of Cape Town, South Africa)

10.00 Reagents in igneous phosphate ores flotation
R.C. Guimarăes (Bunge Fertilizantes, Brazil), A.C. Araujo and A.E.C. Peres (UFMG, Brazil)

10.30 Coffee

11.15 Reagents in oxidised zinc ores flotation
C.A. Pereira and A.E.C. Peres (UFMG, Brazil)

11.45 Replacement of fluorine-containing reagents in quartz-feldspar flotation
M.S. Miettinen, V.M. Klemetti (Geological Survey of Finland, Finland) and P. Tommila (Viasveden hiekka-ja kuljetusliike Oy, Finland)

12.15 Application of nonionic and surface-active substances in combination with acrylamide flocculants for silicate and carbonate mineral flotation
S. Aliferova et al (Sylvinit Co., Russia), S.Titkov et al (Institute of Halurgy, Russia)

12.45 Lunch

14.00 Reagents in iron ores flotation
A.C. Araujo, P.R.M. Viana and A.E.C. Peres (UFMG, Brazil)

14.30 The use of sodium dodecylsulfate in the chromium (III) removal by precipitate flotation
B.Y. Medina, M.L. Torem and L. Mesquita (Catholic University of Rio de Janeiro, Brazil)

15.00 The use of selective depressants for the separation of fridge plastics
R.D. Pascoe (Camborne School of Mines, UK)

15.30 Coffee

17.00 Basset Mines tour Intro
B.A. Wills (UK)

17.30 Coach leaves for Optional Tour of Basset Mines

Friday 18th June

09.00 Technical Session 4- Flotation Reagents- Analytical Methods
Chairmen: S. Gélinas and D. Lascelles (Canada)

09.00 Development of methodologies to improve the assessment of reagent behaviour in flotation
D.J. Bradshaw and P.J. Harris (University of Cape Town, South Africa)

09.30 Determination of preferential reagent adsorption on mineral surfaces by ToF-SIMS
R. Smeink (Akzo Nobel Surface Chemistry, The Netherlands)

10.00 Quantifying adsorbed reagents: xanthates and amines
D. Lascelles and J. A. Finch (McGill University, Canada)

10.30 Coffee

11.15 Colorimetric determination of common frothers
S. Gélinas and J.A. Finch (McGill University, Canada)

11.45 The infrared spectra of amine collectors used in the flotation of iron ores
R.M.F. Lima (University of Ouro Preto, Brazil) and P.R.G. Brandao (UFMG, Brazil)

12.15 Lunch



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