11-16 August 1996
Naantali Spa Hotel
Matkailijantie 2
21100 Naantali, Finland
Phone: 358-21-445-50
Fax: 358-21-445-5622
Conference Chair:
Prof. Eero J. Suoninen
Department of Applied Physics/ Materials Science
University of Turku
Conference Co-Chairs:
A.N. Buckley
Division of Coal and Energy Technology
CSIRO
K.S.E. Forssberg
Division of Mineral Processing
Lulea University of Technology
Brij Moudgil
Materials Sciences & Engineering Department
University of Florida
Douglas Fuerstenau
Materials Sciences & Engineering Department
University of California at Berkeley
Engineering Foundation Conferences
345 E. 47th Street New York, NY 10017
1-212-705-7836; Fax: 1-212-705-7441; E-mail: engfnd@aol.com
World Wide Web: http://www.engfnd.org/engfnd/
Sunday, 11 August
15:00 - 17:30 Registration
17:30 - 19:00 Dinner
20:00 - 22:00 Reception
Monday, 12 August
07:00 - 08:20 Breakfast
08:30 - 08:50 Welcomes
Eero Suoninen, Conference Chair
Barbara Hickernell, EF Conferences Director
Brij Moudgil, EF Technical Liaison
08:50 - 12:00 Session 1: Hydrophobicity (R. Pugh; John Ralston)
08:50 - 09:15 D. Chan
The electrostatics of hydrophobicity
09:15 - 09:40 J. Ralston
Surface and capillary forces affecting air bubble-particle
interactions in aqueous electrolyte
09:40 - 10:10 COFFEE BREAK
10:10 - 10:35 D. Fuerstenau
The hydrophobicity of talc: wettability, surfactant absorption
and floatability.
10:35 - 11:00 TO BE ANNOUNCED
11:00 - 12:00 DISCUSSION
12:15 - 14:00 Lunch
14:00 - 17:00 Free time
17:00 - 18:15 Dinner
18:30 - 21:30 Session 2: Bubble-particle interactions (Roe-Hoan Yoon; H. Schulze)
18:30 - 18:55 E. Thompson
Modeling of flotation deinking of office waste paper
18:55 - 19:20 O. Vinogradova
The drainage of a thin liquid film confined between
hydrophobic surfaces
19:20 - 19:50 COFFEE BREAK
19:50 - 20:15 A. Nguyen-Van
On the extant attachment models, based on sliding time
and induction time
20:15 - 20:40 Z. Xu
Role of hydrodynamic cavitation in fine particle flotation
20:40 - 21:05 R.-H. Yoon
Optimizing flotation using a rate equation derived from
first- principles
21:05 - 21:30 DISCUSSION
21:30 - Social Hours
Tuesday, 13 August
07:00 - 08:20 Breakfast
08:30 - 12:00 Session 3: Electrochemistry in flotation (R. Woods; P. Richardson)
08:30 - 09:10 R. Woods
Chemisorption - the thermodynamically favoured process
in the interaction of thiol collectors with sulfide minerals
09:10 - 09:35 P. Richardson
Controlling and modifying the surfaces of sulfide minerals
for improved flotation
09:35 - 10:05 COFFEE BREAK
10:05 - 10:30 L. Santos
Aspects on the application of electrochemical concepts
to flotation practice
10:30 - 10:55 M. Ruonala
Different aspects of using electrochemical potential
measurements in mineral processing
10:55 - 12:00 DISCUSSION
12:15 - 14:00 Lunch
14:00 - 17:00 Free time/visit to University of Turku, Dept. of Applied physics
17:00 - 18:15 Dinner
18:30 - 21:30 Session 4: Sulfide surface characterization (R. StC. Smart; R. Szargan)
18:30 - 19:10 R. StC. Smart
Introduction and critical comparative survey of techniques
with applications to practical flotation
19:10 - 19:35 R. Szargan
Studies from EU project on basic research in flotation
and flotation applications of scanning microscopes
19:35 - 20:05 COFFEE BREAK
20:05 - 20:30 K. Laajalehto
XPS and SR techniques applied to sulphide surfaces with
examples from joint research
20:30 - 20:55 TO BE ANNOUNCED
20:55 - 21:30 DISCUSSION
21:30 - Social hours
Wednesday, 14 August
07:00 - 08:20 Breakfast
08:30 - 12:00 Session 5: Surface characterization in non-sulfide flotation systems (J. Miller; B. Moudgil)
08:30 - 08:55 P. Somasundaran
Infrared and electron spin resonance characteization of
oleic acid adsorption in phosphate flotation
08:55 - 09:20 B. Moudgil
Role of surface characterization in adsorption of PED on
oxide and silicate materials
09:20 - 09:50 COFFEE BREAK
09:50 - 10:15 J. Miller
Soluble flotation interaction forces as determined by atomic
force microscopy
10:15 - 10:40 J. Leppinen
FTIR studies of the adsorption of fatty acid species on
calcium minerals
10:40 - 11:05 Drzymala
TITLE TO BE ANNOUCED
11:05 - 12:00 DISCUSSION
12:15 - 14:00 Lunch
14:00 - 16:00 Poster presentations
17:00 - 18:15 Dinner
18:30 - 21:30 Session 6: Reagent interactions at sulfide
or metal surfaces
(J. Leppinen; A. Buckley)
18:30 - 18:55 N. Finkelstein
The activation of sulfide minerals
18:55 - 19:20 P. Nowak
Chemical reaction mechanisms in thiol collector - sulfide
mineral systems
19:20 - 19:45 G. Senior
Chemical effects in the flotation of complex sulphide
ores
19:45 - 20:15 COFFEE BREAK
20:15 - 20:40 W. Forsling
Use of surface complexation models in sulfide mineral
flotation
20:40 - 21:05 A. Abramov
Physico-chemical modelling of flotation systems
21:05 - 21:30 DISCUSSION
21:30 - Social hours
Thursday, 15 August
07:00 - 08:00 Breakfast
08:10 - 11:30 Session 7: Reagent interactions at other
mineral surfaces
(M. Hellsten; B. Dobias)
08:10 - 08:35 F. Tiberg
Adsorption mechanisms, structures of interfacial layers
and adsorption kinetics studied by ellipsometry
08:35 - 09:00 J.O. Gustafsson
Adsorption of carboxylate collectors on magnetite and its
influence on the pelletizing process
09:00 - 09:25 H. Rao
Mixed collector systems in flotation
09:25 - 09:50 COFFEE BREAK
09:50 - 10:15 J. Freund
Surfactant interaction at mineral-water and water air interface
10:15 - 10:40 D. Schieder
Investigation of the synergism and antagonism of the
adsorption of surfactants on the mineral-water interface
10:40 - 11:30 DISCUSSION
11:45 - 12:45 Lunch
13:00 - 16:00 Session 8: Flotation processes in non-mineral
systems (P. Stenius;
R. Pugh)
13:00 - 13:25 J. Berg
Particle bubble interactions in flotation deinking
13:25 - 13:50 R. Pugh
Calcium soaps in deinking flotation; fundamental studies
using surface force and coagulation techniques
13:50 - 14:15 K. A. Matis
Ion flotation
14:15 - 14:35 COFFEE BREAK
14:35 - 15:00 R. Gochin
TITLE TO BE ANN0UNCED
15:00 - 15:25 S. Lubetkin
TITLE TO BE ANNOUNCED
15:25 - 16:00 DISCUSSION
16:30 Departure (archipelago cruise & conference dinner on Velkua island)
Friday, 16 August
07:00 - 08:20 Breakfast
08:30 - 12:00 Session 9: Advancing flotation technology
(Erik Forsberg;
K. Heiskanen)
08:30 - 08:55 J. Kallioinen
The contradicting hydronynamic requirements in large
mechanical flotation cells
08:55 - 09:20 N. J. Bolin
A surface study on a Boliden ore by TOF-LIMS
09:20 - 09:50 COFFEE BREAK
09:50 - 10:15 G. Morizot
Liberation and its role for flowsheet development
10:15 - 10:40 TO BE ANNOUNCED
10:40 - 11:30 DISCUSSION
11:30 - 12:00 CLOSING
12:00 - 14:00 Lunch and departure
POSTERS
Posters describing work which will not be presented orally will be on display in or near the meeting hall throughout the conference. Titles received thus far include:
N.A. Eltekova
Evaluation of Hydrophobity Parameter by Liquid Chromatography
Method
M. Rutland
Effect of Substrate on Hydrophobisation by Collector
R.D. Pascoe
Shear Flocculation and Flotation of Hematite Using Sodium Oleate
J. Sablik and K. Wierzchowki
Surface Energy of Coal and Pyrite Wetted by Reagents and Their
Flotation Response
H. Fujimoto, M. Matsukata and K. Ueyama
Evaluation of Column Flotation Results with a Film Flotation
Method
F. Gourram-Badri, Y. Labuche, P. Conil and G. Morizot
Effect of Froth Zone Characteristics on Flotation
P. Conil, G. Themeli and M. Acosta
Evaluation of Column Flotation Control Strategies by Dynamic
Simulation
C.A. Prestidge
Rheological Investigation of Ultrafine Galena Particle Slurries
Under Flotation Related Conditions
F.G. Paulsen, J.C. Hassler, D.W. Bousfield and E.V. Thompson
Measurement of Long-Range Bubble/Particle Attractive Forces
and Factors Influencing Bubble/Particle Attachment
L. Filippov, R. Houot and R. Joussemet
Physiochemical Mechanisms and Ionic Flotation Possibilities
Using Columns for CR6+ Recovery from Sulfuric Solutions
S.F. Jones, K.P. Galvin and G.M. Evans
Critical Nucleation of Bubbles on Hydrophobic Surfaces
S. Tseng
Electrostatic Interactions Between Two Thin Disks of Arbitrary
Orientation In an Electrolyte Solution
J-P. Hsu and M-T. Tseng
The Interaction Between Charged Surfaces with a General Boundary
Condition
V.E. Vigdergauz, V.A. Chanturiya and T.V. Nedosekina
Galena Surface Hydrophobicity: Electrochemical Study
P.K. Aarinola, V.I. Iline and V.A. Kolesnikov
Electroflotation Removal of ZNS, CUS, and NIS
D. Georgescu
The Study of the Electric Field Influence on Participating
Phases in Electrical Flotation Process of Sulphide Minerals
R. Claassen and A. Benecke
Correlation Between the Mineralogical Characteristics and Electrochemical
Properties of Gold-Bearing Sulphide Minerals
D.L. Legrand, G.M. Bancroft and H.W. Nesbitt
Surface Characterization of Pentlandite Before and After Oxidation:
Comparisons, with Pyrrhotite, ot the Surface and Sub-Surface
Species
R. Bokotko, J. Hupka and J.D. Miller
Flotation of Printing Ink from Processwater in an Air-Sparged
Hydrocyclone
A.V. Kurkov, V.V. Shatalov, V.A. Boldyrev and A.I. Zarubin
Processes on Surface of Minerals in a Non-Sulphide Flotation
System Evaluated by Microcalorimetric Measurements
V.A. Bocharov
Flotation Technology for Non-Ferrous Metal Sulfine Ores Using
Ecologically Safe Modifiers
V.G. Stepanenko, Z.R. Urberg and V.I. Karamushka
Extraction of Noble Metal Ultrafine Particles by Biofloccular
Flotation
M.M. Monte, F.F. Lins, B. Helen and J.F. Oliveira
Selective Flotation of Gold from Pyrite
A. Marabini, M. Ciriachi and M. Barbaro
Thermodynamic Calculation for Selection of Collectors for Separation
of Copper-Zinc-Lead Sulphides by Flotation
G. Contini, A.M. Marabini, V. DiCastro and G. Polzonetti
5-Methyl-2-Mercaptobenzoxazole Adsorbed on Cu2S Surface Studied
by Synchrotron Radiation Excited Photoemission
A. Marabini, G. Contini, C. Cozza and M. Barbaro
FTIR Study of Various Derivatives of 2-Mercaptobenzothiazole
Adsorbed on PBS
I. Kartio, G. Wittstock, K. Laajalehto, D. Hirsch, J. Simola,
S. Kunze, T. Laiho, R. Szargan and E. Suoninen
Detection of Elemental Sulfur on Galena Oxidized in Acidic
Solution
H-M. Lu, Y-F. Zhang and Q-C. Chen
A Flotation Study for Effective Separation of Chalcopyrite
from Arsenopyrite in Guangxi Shanhu Tin Mine
H-M. Lu
Study on a New Flotation Techniqye of Separating Wollastonite-Quartz
Under Alkaline Conditions
I. Gulgonul, M.S. Celik, S. Veeramasuneni and J.D. Miller
Slime Coating Mechanism in Clay/Colemaninte/Collector System
as Inferred from Atomic Force Microscopy
E.T. Woodburn and J.J. Cilliers
Kinetic Flotation Modelling Using Froth Image Data
S. Bazin and D. Hodouin
Selection of Flotation Circuit Set Points as a Function of
Metal Prices
I.A. Blatov, L.V. Zelenskaia, E.E. Andreev and O.N. Tikhonov
New Technical Ideas in Automated Computer Control of Industrial
Flotation Processes
S. Chrissoulis, J. Kim and R. Grant
A Surface Study of Run-of-Mine Fines at Brunswick
M. Baker, R. Dimitrova, J. Rabinowitz and R. Knubovetz
The Separation of Francolite from Calcite and Quartz Via Direct
Flotation