Final Program

SOLID-LIQUIDS SEPARATIONS III


September 30 - October 5, 2001
Davos Congress Center/Hotel Cresta Sun
Davos, Switzerland

Co-Sponsor:
European Science Foundation (ESF)

Conference Co-Chairs:
Dr. Raimund Bürger
University of Stuttgart, Germany
Dr. Karsten Keller
DuPont, USA
Prof. Dr. B.K. Parekh
University of Kentucky, USA

United Engineering Foundation, Inc.
Three Park Avenue, 27th Floor
New York, NY 10016-5902
T: 1-212-591-7836 - F: 1-212-591-7441
engfnd@aol.com -- www.engfnd.org/1ax.html

SUNDAY, SEPTEMBER 30, 2001

17:30 - 19:30 Registration (Lobby of Cresta Sun Hotel)

19:00 - 19:30 Pre-dinner reception (Lobby of Cresta Sun Hotel)

19:30 - 21:00 Dinner (Cresta Sun Hotel)

21:00 - 21:15 Welcome
Dr. Karsten Keller, Conference Co-Chair
Herman Bieber, UEF Technical Liaison

21:15 - 22:00 Opening Reception (Cresta Sun Hotel)

IMPORTANT INFORMATION

All lunches and dinners will be at the Cresta Sun Hotel. Breakfast is at the hotel where you are staying.
Social Hours: After dinner, please go to the bar or to any of the seating areas - please do not linger at the meal tables as the staff must prepare the tables for breakfast.
UEF Conferences are non-smoking. Please do not smoke at any conference function.
All technical sessions are at the Congress Center.
Please turn your cell phones to vibrate during technical sessions.

MONDAY, OCTOBER 1, 2001

07:00 - 08:00 Breakfast

SESSION 1:
FUNDAMENTALS OF PARTICULATE SYSTEMS IN SOLID-LIQUID SEPARATION
Session Chair: Thomas Friedmann, DuPont, USA

08:15 - 09:00 Keynote / Invited Presentation
PORE STRUCTURE ANALYSIS OF PARTICLE BEDS FOR FLUID TRANSPORT SIMULATION DURING FILTRATION
C.L. Lin and Jan D. Miller
University of Utah, USA

09:00 - 09:30 Presentation 1
RESTRUCTURING OF FLOCS IN SHEAR-INDUCED AGGREGATION OF LATEX PARTICLES
Rose Amal, Cordelia Selomulya, Graema Bushell
Centre for Particle and Catalyst Technologies, School of Chemical Engineering and Industrial Chemistry, University of New South Wales, AUSTRALIA
T. David Waite
School of Civil and Environmental Engineering, University of New South Wales, AUSTRALIA

09:30 - 10:00 Presentation 2
EFFECT OF ELECTROLYTE CONCENTRATION ON ADSORPTION OF GUAR GUM AND CARBOXYMETHYL CELLULOSE ONTO DOLOMITE AND ILLITE, AND ON THE STABILITY OF SUCH FINE PARTICLE SYSTEMS
Janusz S. Laskowski, M. Pawlik
Mining and Mineral Process Engineering, The University of British Columbia, CANADA

10:00 - 10:30 Coffee Break

10:30 - 11:00 Presentation 3
FLOW ON NON-NEWTONIAN FILTRATES THROUGH COMPRESSIBLE FILTER CAKES IN SOLID-LIQUID SEPARATION PROCESSING
Erich J. Windhab, Christoph Lustenberger
Swiss Federal Institute of Technology Zürich (ETH), Laboratory of Food Process Engineering, SWITZERLAND

11:00 - 11:30 Presentation 4
THE USE OF THE GAMMA RAYS ATTENUATION TECHNIQUE TO OBTAIN THE SIZE DISTRIBUTION OF SOLID PARTICLES THROUGH THE ANDREASEN'S METHODOLOGY
Joao Jorge Ribeiro Damasceno, Marcos Vinicius Rodrigues,
Fabio Oliveia Arouca
School of Chemical Engineering, Federal University of Uberlandia, BRAZIL

11:30 - 12:00 Questions & Answers Session 1

12:15 - 13:30 Lunch

14:30 - 15:30 POSTER SESSION: Will be open until Thursday evening
Session Chair: Urs Peukert

POSTERS

1. SPECIFIC SURFACE MEASUREMENT BY NARROW-ANGLE PHOTOMETER USED FOR ESTIMATION OF FILTER CAKE PROPERTIES
Jose Angel Sorrentino
Laboratorio de Separaciones Mecánicas, Universidad Central de Venezuela, VENEZUELA
Ulrich Riebel
Lehrstuhl Mechanische Verfahrenstechnik, Universitat Cottbus, GERMANY

2. BIOSEPARATION
Karsten Keller, Thomas Friedmann
DuPont, CR&D, USA

3. INFLUENCE OF PARTICLE SIZE DISTRIBUTION ON PERMEATIBLITY AND DEWATERING BEHAVIOR OF FILTER CAKES
Jose Angel Sorrentino
Laboratorio de Separaciones Mecánicas, Universidad Central de Venezuela, VENEZUELA
Harald Anlauf
Institut für Mechanische Verfahrenstechnik, Universität Karlsruhe, GERMANY

4. RHEOLOGICAL MEASUREMENTS OF BIOSOLIDS CAKE
Wallace Leung
Bird Machine Company, USA

5. LABORATORY OF WATER ENVIRONMENTAL ENGINEERING
Motoyoshi Kobayashi
University of Tokyo, JAPAN

6. SIMULATION OF FILTER CAKE DRYING UTILIZING A MICROSCOPIC POROUS NETWORK MODEL
V.Soto, Department of Chemical Engineering, University of Concepción, CHILE
F.Concha, Department of Metallurgical Engineering, University of Concepción, CHILE

7. SLS ROUNDTABLE
Karsten Keller, Thomas Friedmann
DuPont, CR&D, USA

15:30 - 16:00 Afternoon Coffee

SESSION 2A:
LABORATORY STUDIES
Session Chair: Karsten Keller, DuPont, CR&D, USA

16:00 - 16:45 Keynote / Invited Presentation
NANOFIBERS IN FILTER MEDIA
George Chase
University of Akron, USA

16:45 - 17:15 Presentation 1
SIMULATION AND EXPERIMENTAL STUDY OF THE RELATIONSHIP BETWEEN FLOC PROPERTIES AND SEDIMENT COMPACTION
Rose Amal, Graeme Bushell, Goetz Bickert and Mandalena Hermawan
Centre for Particle and Catalyst Technologies, School of Chemical Engineering and Industrial Chemistry, University of New South Wales, AUSTRALIA

17:15 - 17:45 Presentation 2
PHASE SEPARATION IN CELLULAR SUSPENSIONS USING POLYELECTROLYTES
Sandor Barany
University of Miskolc, HUNGARY

17:45 - 18:00 Break

18:00 - 18:30 Presentation 3
THE BRIDGING FLOCCULATION EFFICIENCY OF POLYDISPERSE POLYMER FLOCCULANTS
Yaode Yan, Sharma M. Glover, Graeme J. Jameson and Simon Biggs
The University of Newcastle, Centre for Multiphase Processes, AUSTRALIA

18:30 - 19:00 Presentation 4
DEWATERING PROPERTIES OF DUAL-POLYMER FLOCCULATED SYSTEMS
Sharna M. Glover, Yao-de Yan, Graeme J. Jameson
Centre for Multiphase Processes, University of Newcastle, AUSTRALIA
Simon Biggs
Department of Chemistry, University of Newcastle, AUSTRALIA

19:00 - 19:30 Questions & Answers Session 2A

20:00 - 21:30 Dinner

21:30 - 22:30 Social Hour

TUESDAY, OCTOBER 2, 2001

07:00 - 08:00 Breakfast

SESSION 2B:
LABORATORY STUDIES
Session Chair: Karsten Keller, DuPont, CR&D, USA

08:15 - 08:45 Presentation 1
C-P-F FINGERPRINTS OF COMPRESSIBLE STRUCTURES
Carina Maria Alles
Institut für Mechanische Verfahrenstechnik und Mechanik, GERMANY

08:45 - 09:15 Presentation 2
A STUDY OF THE FLOCCULATION REACTION UNDER TURBULENT FLOW CONDITIONS
J.D. Swift, K. Simic, R.R.M. Johnston, P.D. Fawell and J.B. Farrow
AJ Parker CRC for Hydrometallurgy, CSIRO Minerals, AUSTRALIA

09:15 - 9:45 Presentation 3
INTERACTION OF LIQUID MOVEMENT AND STEAM CONDENSATION DURING STEAM CENTRIFUGATION
U.A. Peuker and W. Stahl
Institut für Mechanische Verfahrenstechnik und Mechanik, GERMANY

9:45 - 10:15 Coffee Break

10:15 - 10:45 Presentation 4
NANOPARTICLE ASSISTED DEWATERING OF COLLOIDAL SLURRIES
Sharna M. Glover,
Centre for Multiphase Processes, University of Newcastle, AUSTRALIA

10:45 - 11:15 Presentation 5
TEST METHODOLOGY AND SELECTION OF AN INDUSTRIAL FILTER FOR REMOVAL OF FINE PARTICULATES
Vikram J. Desai, BP Corp., USA
Earl Borre, Industrial Filter & Pump Mfg. Co., USA

11:15 - 11:45 Presentation 6
THE REVERSIBILITY OF FLOC BREAKAGE
John Gregory
Department of Civil and Environmental Engineering, University College London, UK

11:45 - 12:15 Questions & Answers Session 2B

12:30 - 13:30 Lunch

SESSION 2B: (continued)
LABORATORY STUDIES
Session Chair: Karsten Keller, DuPont, CR&D, USA

14:30 - 15:00 Presentation 7
PERMEABILITY-POROSITY RELATIONSHIP IN TWO DIMENSIONAL SEDIMENTATION
Javier R. Quispe and Pedro G. Toledo
Chemical Engineering Department, University of Concepción, CHILE

15:00 - 15:30 Presentation 8
PERMEABILITY-POROSITY RELATIONSHIP FROM A GEOMETRICAL MODEL OF COMPACTION
Roberto Rozas and Pedro G. Toledo
Chemical Engineering Department, University of Concepción, CHILE

15:30 - 16:00 Afternoon Coffee

16:45 - 17:15 Presentation 9
OPTIMIZATION OF FLOCCULATION EFFICIENCY IN OPEN CHANNEL FLOW
Robert L. Jones, Gina D Redding and Richard R. Horsley
School of Applied Chemistry, Curtin University of Technology, AUSTRALIA

17:15 - 17:45 Presentation 10
USE OF FILTRATION CONCEPTS TO IMPROVE THE ANALYSIS OF DRILLING MUD CAKES
Jose Angel Sorrentino, Leandro Lezama, Mari Luz Alonso and
Salvatore Valentino
Laboratorio de Separaciones Mecánicas, Universidad Central de Venezuela, VENEZUELA

17:45 - 18:00 Break

18:00 - 18:30 Presentation 11
FILTRATION EXPERIMENTS WITH COMPRESSIBLE FILTER CAKES IN CENTRIFUGAL FIELDS WITH SUPERIMPOSED STATIC OR DYNAMIC PRESSURE IN A HEINKEL BEEKER CENTRIFUGE
Christoph Lustenberger and Erich J. Windland
Swiss Federal Institute of Technology Zürich (ETH), Laboratory of Food Process Engineering, SWITZERLAND

18:30 - 19:00 Presentation 12
INVESTIGATION OF THE EFFECTS OF FLOCCULATION CONDITIONS ON DE-WATERABILITY OF SUSPENSIONS
Janine Hulston, Ross de Kretser and Peter Scales
Particulate Fluid Processing Centre, Department of Chemical Engineering, University of Melbourne, AUSTRALIA

19:00 - 19:30 Questions & Answers Session 2B (continued)

20:00 - 21:30 Dinner

21:30 - 22:30 Social Hour

WEDNESDAY, OCTOBER 3, 2001

07:00 - 08:00 Breakfast

SESSION 3:
PHYSICO-MATHEMATICAL MODELING AND SIMULATION OF SOLID-LIQUID SEPARATION
Session Chair: Raimund Bürger, Unviersity of Stuttgart, GERMANY

08:15 - 09:00 Keynote / Invited Presentation
OPEN AND UNRESOLVED PROBLEMS IN THE MATHEMATICAL MODELLING OF SOLID-LIQUID SEPARATION
Kenneth Hvistendahl Karlsen
University of Bergen, NORWAY

09:00 - 09:30 Presentation 1
FULL DE-WATERABILITY CHARACTERIZATION OF SUSPENSIONS FROM FREE SETTLING TO SEDIMENT COMPRESSION
Ross de Kretser, Shane Usher and Peter Scales
Particulate Fluids Process Centre, Department of Chemical Engineering, University of Melbourne, AUSTRALIA

09:30 - 10:00 Presentation 2
NUMERICAL SIMULATION OF THE INFLUENCE OF FIBER ARRANGEMENT ON THE FILTRATION EFFICIENCY IN OIL AND FUEL FILTERS
Harald Banzhaf, Manfred Piesche
Institute of Mechanical Process Engineering, University of Stuttgart, GERMANY
Gunnar-Marcel Klein and Michael Durst
Filterwerk Mann+Hummel GmbH-Ludwigsburg, GERMANY

10:00 - 10:30 Coffee Break

10:30 - 11:00 Presentation 3
PHENOMENOLOGICAL MODEL OF FILTERING CENTRIFUGES
Raimund Bürger
University of Stuttgart, GERMANY
Fernando Concha
University of Concepción, CHILE

11:00 - 11:30 Presentation 4
SOFTWARE FOR THE SIMULATION OF BATCH AND CONTINUOUS SEDIMENTATION OS FLOCCULATED SUSPENSIONS
Pamela Garrido1, Ronald Burgos1, Fernando Concha1 and Raimund Bürger2
1Department of Metallurgical Engineering, University of Concepción, CHILE
2Mathematical Institute A, University of Stuttgart, GERMANY

11:30 - 12:00 Questions & Answers Session 3

12:15 - 13:30 Lunch

14:00 - 16:00 Ad hoc Sessions and/or Free Time

15:30 - 16:00 Afternoon Coffee

SESSION 3: (continued)
PHYSICO-MATHEMATICAL MODELING AND SIMULATION OF SOLID-LIQUID SEPARATION
Session Chair: Raimund Bürger, University of Stuttgart, GERMANY

16:45 - 17:15 Presentation 5
A MATHEMATICAL MODEL FOR SEDIMENTATION PROCESSES OF FLOCCULATED SUSPENSIONS IN VESSELS WITH VARYING CROSS-SECTION
Raimund Bürger
University of Stuttgart, GERMANY
João Jorge Ribeiro Damasceno
Universidade Federal de Uberlândia, BRAZIL
Kenneth Hvistendahl Karlsen
University of Bergen, NORWAY

17:15 - 17:45 Presentation 6
MATHEMATICAL MODELS FOR PRESSURE FILTRATION OF FLOCCULATED SUSPENSIONS
Kenneth Hvistendahl Karlsen
University of Bergen, NORWAY
Raimund Bürger
University of Stuttgart, GERMANY

17:45 - 18:00 Break

18:00 - 18:30 Presentation 7
SIMULATION OF SEDIMENTATION OF POLYDISPERSE SUSPENSIONS
Elmer M. Tory, Robert A. Ford
Mount Allison University, CANADA

18:30 - 19:00 Presentation 8
INVESTIGATIONS ON THE FLOW AND SEPARATION BEHAVIOUR OF HYDROCYCLONES USING COMPUTATIONAL FLUID DYNAMICS
Steffen Schuetz, M. Piesche
University of Stuttgart, Institute of Mechanical Process Engineering, GERMANY

19:00 - 19:30 Questions & Answers Session 3

20:00 - 21:30 Dinner

21:30 - 22:30 Social Hour

THURSDAY, OCTOBER 4, 2001

07:00 - 08:00 Breakfast

SESSION 4:
SOLID-LIQUID SEPARATION EQUIPMENT
Session Chair: Fernando Concha, Univesity of Concepcion, CHILE

08:15 - 09:00 Keynote / Invited Presentation
SOLID-LIQUID SEPARATION EQUIPMENT AND PROCESSES
Wallace Leung
Bird Machine Company
S. Walpole, Massachusetts USA

09:00 - 09:30 Presentation 1
SEPARATION OF FLOCS IN HYDROCYCLONES - SIGNIFICANT OF FLOC BREAKAGE AND FLOC HYDRODYNAMICS
Götz Bickert
Centre for Particle and Catalyst Technologies, School of Chemical Engineering & Industrial Chemistry, The University of South Wales, AUSTRALIA
Daniel Woodfield
Comalco Research

09:30 - 10:00 Presentation 2
PARTICLE MOBILITY AND FLOW STRUCTURE IN THE REFLUX CLASSIFIER
G. Nguyentranlam and K.P. Galvin
Department of Chemical Engineering, University of Newcastle, AUSTRALIA

10:00 - 10:30 Coffee Break

10:30 - 11:00 Presentation 3
BUCKET CENTRIFUGE
Thomas Friedmann, Karsten Keller
DuPont, CR&D, USA

11:00 - 11:30 Presentation 4
CENTRIFUGAL CLASSIFICATION OF FINE PARTICLE SLURRIES
Wallace Leung and Ascher Shapiro
Bird Machine Company
S. Walpole, Massachusetts, USA

11:30 - 12:00 Questions & Answers Session 4

12:15 - 19:30 Optional Excursion
Boxed lunches will be distributed

20:00 - 22:00 Conference Banquet

FRIDAY, OCTOBER 5, 2001

07:00 - 08:00 Breakfast

SESSION 5:
SOLID-LIQUID SEPARATIONS PROCESSES
Session Chair: Wallace Leung, Bird Machine Company, USA

08:15 - 09:00 Keynote
AUTOMATIC PRESSURE FILTERS FOR WASTEWATER TREATMENT
Ernest Mayer
DuPont DuET, USA

09:00- 09:30 Presentation 1
LIQUID SULPHUR FILTRATION
Jan Hermans
Sparkler Filters International, NETHERLANDS

09:30 - 10:00 Presentation 2
PRACTICAL APPLICATION OF DE-WATERING THEORY TO INDUSTRIAL THICKENING AND CONSOLIDATION
Ross de Kretser, Daniel Lester, Shane Usher and Peter Scales
Particulate Fluids Processing Centre, Department of Chemical Engineering, University of Melbourne, AUSTRALIA

10:00 - 10:30 Coffee Break

10:30 - 11:00 Presentation 3
NEW DIFFERENTIAL METHOD AND DEVICE FOR RAPID ON-LINE DETERMINATION OF FLOCCULATION EFFICIENCY IN DILUTE SUSPENSIONS BY USING ULTRAFLOCCULATION TREATMENT
N.N. Rulyov
Institute of Biocolloid Chemistry of Ukrainian National Academy of Sciences, UKRAINE
J. Gregory
University College London, Dept. of Civil and Environmental Engineering, UK
V. Ja. Korolyov
PV "TURBOFLOTSERVICE", Dept. of Physico-Chemical Technology, UKRAINE
F. Gonzales-Caballero
University of Granada, Faculty of Sciences, Department of Applied Physics, SPAIN

11:00 - 11:30 Presentation 4
FILTER OR CENTRIFUGE? SELECTION CRITERIA FOR A SOLID-LIQUID
SEPARATION PROCESSES
Karsten Keller, Thomas Friedmann
DuPont, CR&D, USA

11:30 - 11:45 Questions & Answers Session 5

11:45 - 12:30 SESSION 6:
SUMMARY

12:30 - 13:30 Lunch and Conference Adjournment

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