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Contents Volume 84, 2007
Int. J. Miner. Process. 84 (2007) 361 – 362 www.elsevier.com/locate/ijminpro
Contents Volume 84, 2007 Preface J.D. Miller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flotation The preparation and ageing of acrylamide/acrylate copolymer flocculant solutions A.T. Owen, P.D. Fawell and J.D. Swift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The separation of arsenic from copper in a Northparkes copper–gold ore using controlled-potential flotation L.K. Smith and W.J. Bruckard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The flotation of metallic arsenic as a function of pH and pulp potential — A single mineral study W.J. Bruckard, I. Kyriakidis and J.T. Woodcock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Effect of frothers and solid particles on the rate of water transfer to froth F. Melo and J.S. Laskowski . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Enhanced flotation of sulfide fines using the emulsified oil extender technique J. Rubio, F. Capponi, R.T. Rodrigues and E. Matiolo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gas dispersion measurements in flotation cells C.O. Gomez and J.A. Finch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current understanding of the mechanism of polysaccharide adsorption at the mineral/aqueous solution interface J.S. Laskowski, Q. Liu and C.T. O’Connor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Characterization of stockpile oxidation of pentlandite and pyrrhotite through kinetic analysis of their flotation S. Kelebek and B. Nanthakumar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Froth imaging, air recovery and bubble loading to describe flotation bank performance N. Barbian, J.J. Cilliers, S.H. Morar and D.J. Bradshaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reducing uncertainty in mineral flotation—flotation rate constant prediction for particles in an operating plant ore J. Ralston, D. Fornasiero, S. Grano, J. Duan and T. Akroyd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The behaviour of wash water injected into a froth P. Ireland, R. Cunningham and G.J. Jameson. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Restoring the floatability of oxidised sulfides using sulfidisation A.J.H. Newell, W.M. Skinner and D.J. Bradshaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modelling and Simulation Mathematical modeling of separation characteristics of a coal-washing spiral S.K. Das, K.M. Godiwalla, L. Panda, K.K. Bhattacharya, R. Singh and S.P. Mehrotra . . . . . . Genetic algorithms — A novel technique to optimize coal preparation plants V. Gupta, M. Mohanty, A. Mahajan and S.K. Biswal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Numerical simulation of the continuous thickening of flocculated kaolinite suspensions M.S. Nasser and A.E. James . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Simulation of wet ball milling of iron ore at Carajas, Brazil L.G. Austin, K. Julianelli, A.S. de Souza and C.L. Schneider. . . . . . . . . . . . . . . . . . . . . . . . A molecular dynamics simulation study of water structure and adsorption states at talc surfaces H. Du and J.D. Miller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modelling the axial dispersion of particles in froths J.R. Meloy, S.J. Neethling and J.J. Cilliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
doi:10.1016/S0301-7516(07)00198-6
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Contents Volume 84, 2007
Stagewise analysis of flotation by factorial design approach with an application to the flotation of oxidized pentlandite and pyrrhotite B. Nanthakumar and S. Kelebek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Comminution Surface damage effects in single particle comminution S. Middlemiss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A new approach to optimising the life and performance of worn liners in ball mills: Experimental study and DEM simulation A.B. Makokha, M.H. Moys, M.M. Bwalya and K. Kimera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The future of comminution modelling M.S. Powell and R.D. Morrison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Influence of slurry rheology on stirred media milling of quartzite M. He and E. Forssberg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exploration of hydrocyclone designs using computational fluid dynamics J.A. Delgadillo and R.K. Rajamani . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Particle Characterization and Liberation Detection of diamond in ore using pulsed laser Raman spectroscopy G.H. Lamprecht, H.G.C. Human and L.W. Snyman . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Steady-state, control, and capacity calculations for flocculated suspensions in clarifier–thickeners R. Bu¨rger and A. Narva´ez . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Particle texture analysis using polarized light imaging and grey level intercepts E. Pirard, S. Lebichot and W. Krier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modern SEM-based mineral liberation analysis R. Fandrich, Y. Gu, D. Burrows and K. Moeller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3D characterization of individual multiphase particles in packed particle beds by X-ray microtomography (XMT) A.R. Videla, C.L. Lin and J.D. Miller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conceiving a high resolution and fast X-ray CT system for imaging fine multi-phase mineral particles and retrieving mineral liberation spectra G. Schena, L. Santoro and S. Favretto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seven practical application cases of liberation analysis R. Lastra. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Regularities in pressure filtration of fine and colloidal suspensions S. Raha, K.C. Khilar, P.C. Kapur and Pradip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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262 274 299 310 321
327 337 348
Contents Volume 84, 2007 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Contents Volume 84, 2007 Preface J.D. Miller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flotation The preparation and ageing of acrylamide/acrylate copolymer flocculant solutions A.T. Owen, P.D. Fawell and J.D. Swift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The separation of arsenic from copper in a Northparkes copper–gold ore using controlled-potential flotation L.K. Smith and W.J. Bruckard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The flotation of metallic arsenic as a function of pH and pulp potential — A single mineral study W.J. Bruckard, I. Kyriakidis and J.T. Woodcock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Effect of frothers and solid particles on the rate of water transfer to froth F. Melo and J.S. Laskowski . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Enhanced flotation of sulfide fines using the emulsified oil extender technique J. Rubio, F. Capponi, R.T. Rodrigues and E. Matiolo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gas dispersion measurements in flotation cells C.O. Gomez and J.A. Finch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current understanding of the mechanism of polysaccharide adsorption at the mineral/aqueous solution interface J.S. Laskowski, Q. Liu and C.T. O’Connor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Characterization of stockpile oxidation of pentlandite and pyrrhotite through kinetic analysis of their flotation S. Kelebek and B. Nanthakumar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Froth imaging, air recovery and bubble loading to describe flotation bank performance N. Barbian, J.J. Cilliers, S.H. Morar and D.J. Bradshaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reducing uncertainty in mineral flotation—flotation rate constant prediction for particles in an operating plant ore J. Ralston, D. Fornasiero, S. Grano, J. Duan and T. Akroyd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The behaviour of wash water injected into a froth P. Ireland, R. Cunningham and G.J. Jameson. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Restoring the floatability of oxidised sulfides using sulfidisation A.J.H. Newell, W.M. Skinner and D.J. Bradshaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modelling and Simulation Mathematical modeling of separation characteristics of a coal-washing spiral S.K. Das, K.M. Godiwalla, L. Panda, K.K. Bhattacharya, R. Singh and S.P. Mehrotra . . . . . . Genetic algorithms — A novel technique to optimize coal preparation plants V. Gupta, M. Mohanty, A. Mahajan and S.K. Biswal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Numerical simulation of the continuous thickening of flocculated kaolinite suspensions M.S. Nasser and A.E. James . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Simulation of wet ball milling of iron ore at Carajas, Brazil L.G. Austin, K. Julianelli, A.S. de Souza and C.L. Schneider. . . . . . . . . . . . . . . . . . . . . . . . A molecular dynamics simulation study of water structure and adsorption states at talc surfaces H. Du and J.D. Miller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modelling the axial dispersion of particles in froths J.R. Meloy, S.J. Neethling and J.J. Cilliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
doi:10.1016/S0301-7516(07)00198-6
1
3 15 25 33 41 51 59 69 81 89 99 108
..........
118
..........
133
..........
144
..........
157
..........
172
..........
185
362
Contents Volume 84, 2007
Stagewise analysis of flotation by factorial design approach with an application to the flotation of oxidized pentlandite and pyrrhotite B. Nanthakumar and S. Kelebek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Comminution Surface damage effects in single particle comminution S. Middlemiss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A new approach to optimising the life and performance of worn liners in ball mills: Experimental study and DEM simulation A.B. Makokha, M.H. Moys, M.M. Bwalya and K. Kimera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The future of comminution modelling M.S. Powell and R.D. Morrison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Influence of slurry rheology on stirred media milling of quartzite M. He and E. Forssberg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exploration of hydrocyclone designs using computational fluid dynamics J.A. Delgadillo and R.K. Rajamani . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Particle Characterization and Liberation Detection of diamond in ore using pulsed laser Raman spectroscopy G.H. Lamprecht, H.G.C. Human and L.W. Snyman . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Steady-state, control, and capacity calculations for flocculated suspensions in clarifier–thickeners R. Bu¨rger and A. Narva´ez . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Particle texture analysis using polarized light imaging and grey level intercepts E. Pirard, S. Lebichot and W. Krier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modern SEM-based mineral liberation analysis R. Fandrich, Y. Gu, D. Burrows and K. Moeller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3D characterization of individual multiphase particles in packed particle beds by X-ray microtomography (XMT) A.R. Videla, C.L. Lin and J.D. Miller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conceiving a high resolution and fast X-ray CT system for imaging fine multi-phase mineral particles and retrieving mineral liberation spectra G. Schena, L. Santoro and S. Favretto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seven practical application cases of liberation analysis R. Lastra. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Regularities in pressure filtration of fine and colloidal suspensions S. Raha, K.C. Khilar, P.C. Kapur and Pradip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
207
221 228 240 252
262 274 299 310 321
327 337 348
Contents Volume 84, 2007 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361