PRELIMINARY PROGRAM

CONTROL OF PARTICULATE PROCESSES IV

April 5 - 9, 1997
Delft, The Netherlands

Conference Chair:
Brian Scarlett
Delft University of Technology

Conference Co-Chair:
Reg Davies
DuPont

Engineering Foundation
345 East 47th Street
New York, N.Y. 10017
1-212-705-7836 Fax: 1-212-705-7441
E-mail: engfnd@aol.com
http://www.engfnd.org

Saturday April 5, 1997

17:00 - 19:00 Registration and Ice Breaking Party
Location: Entrance Hall, Aula Conference Center
Mekelweg 5
Delft University of Technology

Sunday April 6, 1997

08:30 - 09:00 Welcome
Conference Chair: Brian Scarlett
Engineering Foundation: Herman Bieber
Engineering Foundation: Barbara Hickernell

Session 1 Granulation and Agglomeration
Chairman: TBA

09:00 - 09:10 Introduction: Chair

09:10- 09:20 Predicting and describing granule growth in high shear mixers by using population balance modelling
F. Wauters, N Menon, G.M.H. Meesters, S.E. Pratsinis & B. Scarlett
Delft University of Technology, The Netherlands

09:20 - 09:30 Surfactant improves granulation efficiency
B. Kopyleva and Y. Shvartsman
New York , USA

09:30 - 09:40 A preliminary computer model for prediction of size spectra
R. Venugopal
Indian School of Mines, India

09:40 - 09:50 Modelling of binder induced agglomeration
R.J. Fairbrother and S.J.R. Simons
University College London, United Kingdom

09:50 - 10:00 Effective control of a continuous granulation process
A. Adetayo, M. Pottman & B. Ogunnaike
E.I. duPont de Nemours and Co, USA

10:00 - 10:10 Potential advanced control strategies for particulate processes with recycle streams
F.Y. Wang, J. Zang, J.D. Litster and I.T. Cameron
University of Queensland, Australia

10:10 - 10:20 Developing a scientific basis for scale up and operation of granulation processes
J.D. Litster and K. Hapgood
University of Queensland, Australia

10:20 - 10:30 Study on the influence of four factors on classification efficiency of turbo fine classifier
M. Fang, L. Hougen and Z. Qinghong
Tongji University, China

10:30 - 10:40 Granulation of powders in a continuous mixer compactor granulator
F. Wauters, P. Bach G.M.H. Meesters, S.E. Pratsinis and B. Scarlett Delft University of Technology, The Netherlands

10:40 - 11:20 Coffee Break and Poster Session

11:20 - 11:30 Overview: Granulation and Agglomeration
Chair

11:30 -12:15 Discussion

12:30 - 13:50 Lunch

Session 2 Grinding
Chair: TBA

14:00 - 14:10 Introduction: Chair

14:10 - 14:20 Modelling of the centrifugal mill and its validation
T. Inou
University of Tokyo; Japan

14:20 - 14:30 Grinding process modelling for automatic control: application to mineral and cement industries
S.C. Abou, S. Tarasiewicz and P. Radziszewsk
Laval University, Quebec, Canada

14:30 - 14:40 An investigation on the properties of fine ground product in ball mills
W. Xincho C. Bingch and N. Jingkno
North Eastern University, China

14:40 - 14:50 Simulation of fine Al2O3 grinding in the agitation mill by population balance model
M. Zhenhua, Z. Shaoming and P. XinZhang
University of Chemical Technology, Nanjing, China

14:50 - 15:00 Novel process study software for ore dressing and hydrometallurgical processes
S. Jamsa-Jounela, P Kummarapurugy and A. Kytomaki
Helsinki University of Technology, Finland

15:00 - 15:10 Automation and optimization of jet mill plants
H.J.C. Gommeren, H.JM. Kramer, and B. Scarlett
Delft University of Technology, The Netherlands

15:10 - 15:20 Control of particulate processes by optical measurement techniques
C.M.G. Heffels, M. Rädle, B. Sachwey, N. Scholz and R. Polk
BASF-AG Germany

15:30 - 16:30 Tea & Poster session

16:30 - 16:40 Overview: Grinding session

16:40 - 17:15 Discussion

18:00 - 20:00 Dinner

Monday April 7, 1997

Session 3 Crystallization
Chair: TBA

09:00- 09:45 Keynote Lecture

09:45 - 09:55 Practical applications of a dynamic model of the Alumina hydrate precipitation process.
R.V. Costa
Aluminum Company of America, USA

09:55 - 10:05 Observation and modelling of CSD transients in an industrial batch crystalliser
M. Friemann, R. Kruit, J.P. Muusze and H.J.M. Kramer
Delft University of Technology, The Netherlands

10:05 - 10:15 Modelling of an industrial crystallizer
V. A. Oomen, A. Boxman, W. A. Kuiper and J. Blun
E.I. duPont de Nemours and Co, USA

10:15 - 10:25 Modelling the classification and non-uniform nucleation kinetics in a 150 l forced circulation crystallizer
S.K. Bermingham, A.M. Neumann, B. Overdervest, P.J.T. Verheijen and H.J.M. Kramer
Delft University of Technology, The Netherlands

10:25- 10:40 Coffee and Poster Session

10:40 - 10:50 A computational tool for the design and control of particulate processes
M. Nicmanis and M.J. Hounslow
University of Cambridge, United Kingdom

10:50 - 11:00 A downstream solid liquid separation
J.Weber
Dow Chemicals Stade

11:00 - 11:10 Inferential control strategy for continuous crystallizers
G.Baffi M. Bravi and A. Chianese
University of Newcastle, England/University of Rome, Italy

11:10 - 11:40 Poster Session

11:40 - 11:50 Overview: Crystallization Session
Chair

11:50 - 12:30 Discussion

12:30 - 17:30 Visit to the Keukenhof
(Boxed lunches will be provided)

18:00 - 20:00 Dinner

Session 4 Pneumatic Conveying
Chair: TBA

20:00 - 20:10 Introduction: Chair

20:10 - 20:20 ECT applied to pneumatic conveying and flotation processes
M.A.Bennet, R.A. Williams, S.P. Luke and K.L. Ostrowski Camborne School of Mines, United Kingdom

20:20 - 20:30 Prediction of solids distribution in hydraulic transport pipes
M.G. Rasteiro and J. Alves
Coimbra University, Portugal

20:30 - 20:40 Flow behaviour characterisation of particulate materials in pneumatic conveyers using acoustic chemometrics
A. Saudland S.E. Martinussen, S.R. daSilva and K.H. Esbenseny TEL-TEK/ Telemark College, Norway

20:40 - 20:50 Relative motions in a gas solid suspension
R.E. van de Wal end S.L. Soo
University of Illinois, USA

20:50 - 21:00 The collision rate of particles in turbulent flow
F.E. Kruis and K.A. Kusters
CNRS, Nancy, France

21:00 - 21:10 On-line measurement of mass flow of pneumatically conveyed solids
D.A. Albernethy, N.G. Cutmore, T. Evans, M.J. Millen and B.D. Sowerby
Commonwealth Science and Industrial Research Organisation, Australia

21:10 - 21:30 Poster Session

21:30 - 21:40 Overview: Pneumatic Conveying Session
Chair

21:40 - 22:10 Discussion

Tuesday April 8, 1997

Session 5 Miscellaneous
Chair: TBA

09:00 - 9:40 Keynote Lecture

09:40 - 09:50 The effects of particle properties on flotation control
K. Heiskanen and J. Kullionen
Helsinki University of Technology, Finland/ Outokumpu Mintec USA Inc, USA

09:50 - 10:00 Irreversibilites during shear induced flocculation of Polystyrene-Alum flocs
P. Spicer, S.E. Pratsinis, J. A. Raper, R. Amal, G. Bushell and G. Meesters
University of Cincinnati, USA/ University of New South Wales, Australia/Genencor Int., The Netherlands

10:00 - 10:10 Experiences of Ore type based expert system at the Hitura and Kemi concentrators
S. Jamsa-Jounela and E. Ruokonen
Helsinki University of Technology, Finland

10:10 - 10:20 Generalisation of fine solid particles by continuous desublimation in a gas mixture
A. Wagner, M.Kodde and D. Mewe
University of Hannover, Germany

10:20 - 10:30 On line contamination detection in polymer processes
C.E. Jochen and D.M. Scott
E.I. duPont de Nemours and Co, USA

10:30 - 10:40 Controlled production of emulsions using a crossflow membrane
S.J. Peng and R.A. Williams
University of Exeter, United Kingdom

10:40 - 11:00 Coffee and Poster Session

11:00 - 11:10 Expert system for the variable volume pressure filter
M. Oja, S. Jamsa-Jounela and J Mäkelä and K. Junkkarinen Helsinki University of Technology, Finland

11:10 - 11:20 Modelling principles for simulation of flow of polydisperse particulate mixtures
Y. Zimmels
Technion Haifa, Israel

11:20 - 11:30 Positron emission particle tracking studies of powder mixing in a planetary mixer
M.J. Hiseman, J. Bridgewater and D.I. Wilson
University of Cambridge, United Kingdom

11:30 - 11:40 Variation of chemical characteristics of U3O8 power depending on the type and time of storage
A. Pisoschi and D. Georgescu
Rumania

11:40 - 11:50 Overview: Miscellaneous
Chair

11:50 - 12:30 Discussion

12:30 - 13:50 Lunch

Session 6 Sensors Development
Chair: TBA

14:00 - 14:10 Introduction: Chair

14:10 - 14:20 Some practical experiences of continuous operation of laser diffraction systems measuring particle size distribution of cement both by the liquid suspension and dry powder methods
D.M. Higgs and M. Wedd
Malvern Instruments, United Kingdom

14:20 - 14:30 Sensors for industrial slurries as virtual analysers of mat quality
H.P. Pendse M. A. Musavi and G. Sirdeshpande
University of Maine, USA

14:30 - 14:40 In-process particle size distribution measurements and process interfacing.
D.J. Holve
Insitec Measurement Systems, USA

14:40 - 14:50 Bulk particles chemical and mineralogical characterisation by optical- digital techniques
G. Bonifazi, F. la Marca and P. Massacci
"La Sapienza", University of Rome, Italy

14:50 - 15:00 A generalised information and control system for particle related data.
W.Witt, D. Niebuhr and S. Pülm
Sympatec GmbH, Germany

15:00 - 15:10 Acoustic attenuation spectroscopy for particle sizing of high concentration dispersions
F. Alba, G. M. Crawley and D.M. Higgs
Malvern Instruments, United Kingdom

15:10 - 15:20 Measurement of particle size distribution and volume fraction of concentrated suspensions using techniques of photon migration.
E.Sevick-Muraca, H. Jiang, S. Richter, J. Pierce and C. Hutchinson, Purdue University, USA

15:20 - 15:30 Use of PCA and neural networks to extract information from tomographic images for process control
X. Ni, S.J.R. Simons, R.A. Williams and X. Jia
University College London/ Camborne School of Mines, United Kingdom

15:30 - 15:40 Speed of sound in suspensions
U. Riebel, P Khatchiklan, and U. Kräuter
University of Cottbus, Germany

15:40 - 15:50 On line particle characterisation
D.M. Scott, A. Boxman C.E. Jochen
E.I. duPont de Nemours and Co, USA

15:50 - 16:00 Understanding the power and limitations of FBRM (Focused Beam
Reflectance Measurement) for In-process Particle Characterization and Process Control
R. Becker
Lasentec Instruments, USA

16:00 - 16:40 Tea & Poster Session

16:40 - 16:50 Overview: Sensors Development
Chair

16:50 - 17:30 Discussion

18:00 - 19:00 Reception at Old Town Hall and Dinner

Wednesday April 9, 1997

JOINT SESSION WITH THE CONFERENCE: FRONTIERS IN INDUSTRIAL PROCESS TOMOGRAPHY II

09:00 - 11:00 Characterization and Monitoring of Particulate Materials and Processes
Chair: R.A. Williams, D. Parker

Characterization of structured suspensions and emulsions using tomographic electrical texture fingerprinting
Dr. P. Gregory
University of Exeter

Characterization of mineral populations by x-ray CT
Prof. J.D. Miller
University of Utah

Gamma-ray tomography for particle density profile measurements in fluidized beds
Dr. P.T. PorT
Delft University of Technology

Scale-up of fluidized beds through PEPT
Dr. M. Stein
University of Birmingham

On-line monitoring of rheological parameters with an inductive flowmeter
Dr.-Ing. A. Traechtler
University of Karlsruhe

Application of electrical capacitance tomography for a circulating fluidized bed
Dr. S.J. Wang
UMIST

11:00 - 11:15 Coffee Break

11:15 INSTRUMENT DEMONSTRATIONS
Chair: TBA

Introduction: Chair

5 minute presentations instrument manufacturers

Exhibition Instruments (through the afternoon)

12:30 - 14:00 Joint Conference Lunch

Adjournment: CONTROL OF PARTICULATE PROCESSES IV

FRONTIERS IN INDUSTRIAL PROCESS TOMOGRAPHY II CONFERENCE

14:00 - 17:45 Session I

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