Drying'92
Proceedings of the 8th International Drying Symposium (IDS '92)

Montreal, Quebec, Canada, August 2-5, 1992
Elsevier

edited by A.S. Mujumdar

Department of Chemical Engineering,
McGill University, Montreal, Quebec, Canada
Exergex Corporation, Brossard, Quebec, Canada

Part A
Contents

Preface v
Acknowledgements vii
IDS Advisory Panel ix
PART A
Section I.
PLENARY (KEYNOTES) INVITED LECTURES
1
Optimization of Quality of Dehydrated Foods and Biomaterials
Marcus Karel, Rutgers University, New Jersey, USA
3
Measurement and Modelling of Intraparticle Drying Kinetics: A Review
E. Tsotsas, Dow Deutschland Inc., Stade, F.R. Germany
17
Food Drying and Quality Interactions
J.J. Bimbenet and A. Lebert, ENSIA, INRA, Massy, France
42
Relating Moisture Transfer Rate in Rice to Kernel Quality
Terry J. Siebenmorgen, Univ. of Arkansas, Fayetteville, AR, USA
58
Spray Drying - Maturity or Opportunities?
Richard E. Bahu, SPS, Harwell Laboratory, Oxfordshire, U.K.
74
Drying of Ceramics Made by Sol-Gel Processing
George W. Scherer, Du Pont Co., Experimental Station, Wilmington, DE, USA
92
Electromagnetic Wave Energy in Drying Processes
Peter L. Jones, EA Technology, Capenhurst, Chester, U.K.
114
Heat and Mass Transfer Considerations in Dielectrically-Enhanced Drying
P.S. Schmidt, T.L. Bergman and J.A. Pearce, Center for Energy Studies, University of Texas, Austin, TX, USA; Peishi Chen, Philip Morris Research and Development, Richmond, VA, USA
137
Fundamentals of Enhanced Scalar Transport in Strongly Oscilating and/or Resonant Flow Fields as Created by Pulse Combustion
J.O. Keller, Sandia National Laboratories, Livermore, CA, USA; RS. Gemmen, US DOE/Morgantown Energy Tech. Center, Morgantown, WV, USA; R. W. Ozer, Bepex Corporation, Minneapolis, MN, USA
161
Effect of Operation Conditions of Drying and Pyrolysis on the Formation of Fine Particles Produced by the Spray Pyrolysis Method
Sceiichi Deguchi, Noriyuki Kobayashi, Hitoki Matsuda, Masanobu Hasatani, Nagoya University, Nagoya, Japan; Zhang Heng, Academica Sinica, Beijing, P.R China
181
Deformation Characteristic of Ceramics During Drying
M. Hasatani and Y. Itaya, Nagoya University, Nagoya, Japan
190
Advanced Dewatering Techniques and Their Impact on Drying Technologies
H.S. Muralidhara, Cargill Research, Minnetonka, Minnesota, USA
200
Impinging Streams (IS) and Their Application to Drying
A. Tamir, Ben Gurion University of the Negev, Beer Sheva, Israel
209
Novel Drying Technologies for Particulates, Slurries and Pastes
T. Kudra, McGill University, Montreal, Canada
224
Section II.
FUNDAMENTAL STUDIES IN DRYING
241
Estimation of Drying Rate and Determination of Moisture Diffusivity for Non-Hygroscopic Porous Material Based on the Characteristic Function for the Regular Regime
M. Yoshida and H. Miyashita, Toyama University, Toyama, Japan; H. Imakoma and M. Okazaki, Kyoto University, Kyoto, Japan
243
Capillary Condensation, Hysteresis and Image Analysis
Daniel A. Quenard, CSTB, St Martin d'Heres, France; Dale P. Bentz and Edward J. Garboczi, NIST, Gaithersburg, MD, USA
253
From Pore-Size Distribution to Moisture Transport Properties: Particular Problems for Large Pore-Size Distributions (Invited)
Jean-Francois Daian, Institut de Mecanique de Grenoble, Grenoble, France
263
The Evaporation of Ternary Liquid Azeotropes to Air
Zdzislaw Pakowski, Lodz Technical University, Lodz, Poland
283
Drying Shrinkage and Stresses
A.A.J. Ketelaars, W.J. Coumans, Eindhoven Univ. of Technology, Eindhoven, The Netherlands; W. Jomaa, J.R. Puiggali, L.E.P.T.-ENSAM, Talence, France
293
Behaviour of Multilayers Walls with Different Vapor Permeability of External Coating
B. Perrin and W. Kamel, INSA-UPS, Toulouse, France
304
Measurement of Water Activity at High Temperature
A. Bassal and J. Vasseur, ENSIA, Massy, France
312
Simultaneous Mass and Heat Transfer During Drying of Unsaturated Capillary Porous Solids Containing Multicomponent Liquid Mixtures
J. Martinez, Royal Inst. of Technology, Stockholm, Sweden
322
Sorption Isotherms for Multicomponent Solid Mixture
W. Kaminski and M. Al-Bezweni, Technical University of Lodz, Lodz, Poland
334
Determination of Diffusion Coefficients from Experimental Moisture Concentration Profiles in Clay.
A.A.J. Ketelaars, O. Lauf, W.J. Coumans, P.JA.M. Kerkhof, Eindhoven University of Technology, Eindhoven, The Netherlands
345
The Wet Surface Reduction During the First Drying Period
A. Belhamri, J.-P. Fohr, UA CNRS, Poitiers, France
353
Drying of Polymers, Modeling with Diffusion-Evaporation and Shrinkage
D. Berthet, A. Bakhouya, J Bouzon and J.M. Vergnaud, University of St. Etienne, Saint Etienne, France
364
Low-Temperature Vacuum Desorption of a Multicomponent Moisture in Freeze Drying
J.F. Nastaj, Technical University of Szczecin, Szczecin, Poland
374
The Characteristics of Thermal Control of Freeze-Drying Processes in Porous Plates, Cylinders and Spheres
Sui Lin, Concordia University, Montreal, Canada
384
Section III.
MODELLING AND SIMULATION
395
Microscopic Models for the Study of Drying of Capillary Porous Media
O.A. Plumb, Washington State Univ., Pullman, WA, USA; M. Prat, Institut de Mecanique des Fluides de Toulouse, Toulouse, France
397
Development and Validation of a Computational Model for Spray-Gas Mixing in Spray Dryers
D.M. Livesley, R.F. Gillespie, M.L. Yeoman, AEA Industrial Technology, Culham Laboratory, Oxfordshire, U.K.; D.E. Oakley, Harwell Laboratory, Oxfordshire, U.K.; B. Elhaus, University of Bremen, Bremen, Germany; C.K. Ranpuria, T. Taylor, Unilever Research, Wirral, U.K.; W. Wood, ICI Fine Chemicals, Manchester, U.K.
407
Modelling the Temperature Profiles within Boards During the High-Temperature Drying of Pinus Radiata Timber
Pang Shusheng, R.B. Keey, Univ. of Canterbury, Christchurch, New Zealand T.A.G. Langrish, University of Sydney, N.S.W., Australia
417
Model of Flash Drying
Jaakko Saastamoinen, Technical Research Centre of Finland, Jyvaskyla, Finland
434
Modelling Agglomeration Effects in Pneumatic Conveying Dryers
I. C. Kemp and R E. Bahu, SPS, Harwell Laboratory, Oxfordshire, U.K.
444
Mathematical Modelling of the Inductively Heated Rotary Dryer
I. Zbicinski, Technical Univ. of Lodz, Lodz, Poland; J.T. Griffith, EA Technology, Capenhurst, Chester, U.K.
454
Mathematical Modelling of Fluidized Bed Drying with Superheated Vapor
M.A. Boizan Justiz, High Polytechnical Inst., Santiago de Cuba, Cuba; O.N. Krukovski, Lensoviet Tech. Inst., St. Petersburg, Russia
464
Mathematical Modelling of Solar Dryers with Chimney
M.A. Boizan Justiz, High Polytechnical Inst., Santiago de Cuba, Cuba; A.A. Pereira Garcia, Agostinho Neto University, Luanda, Angola; O.N. Krukovski, Lensoviet Institute, St. Petersburg, Russia
473
Drying of Nylon Pellet
Yuji Sano, Shuichi Yamamoto, Sigetoshi Kobuchi and Hideki Hiranaka, Yamaguchi University, Tokiwadai, Ube, Japan
482
Modelling of Two-component Fluid Bed Driers: An Approach to the Evaluation of the Drying Time
G. Donsi and G. Ferrari, Univ. of Salerno, Fisciano, Italy
493
Section IV.
SPRAY DRYING
503
Concentrated Kraft Black Liquor Atomization Using a Two-Fluid Atomizing Nozzle
P.R. Stuart and W.H. Gauvin, McGill University, Montreal, Canada
505
Application of Multiobjective Optimization to Spray Drying
I. Zbicinski, Lodz Technical Univ., Lodz, Poland
515
Application of Laser Measurement Methods on Sprays of Non-Transparent Fluids
B. Elhaus, G. Schulte, University Bremen, Bremen, F.R. Germany; D.M. Livesley, Harwell Laboratory, U.K.
524
Spray Drying as a Shaping Technique for Catalyst Production
J. Andrieu, Universite Claude Bernard, Villeurbanne, Lyon I, France; G. Dessalces, C. Joly-Vuillemin, J.P. Reymond, F. Kolenda, Unite Mixte IFP-CNRS, Vernaison, France
533
Liquid Phase Distribution in a Spray Formed by Pneumatic Nozzles in the Spray Dryer Chamber
P.S. Kuts, V.K. Samsonyuk, P.V. Akulich, Academy of Science of the Republic Belarus, Minsk, Belarus
543
Section V.
DIELECTRIC DRYING
551
Convective and Microwave Enhanced Drying of Glass Beads
I.W. Turner, Queensland Univ. of Technology, Brisbane, Australia; V. Rudolph, University of Queensland, Brisbane, Australia
553
A Step Wise Modelisation for Combined Microwave Convective Drying of Deformable Materials
M.A. Roques, F. Zagrouba, E.N.S.I.C., L.P.C.I., France; P. Perre, E.N.G.R.E.F.-L.E.M.T.A, Nancy, France; N. Kechaon, E.N.I.G., Gabes, Tunisie
573
A Comparison of Conventional and Microwave Augmented Freeze Drying of Peas
J.S. Cohen, J. A. Ayoub and T.C.S. Yang, US Army Natick Research, Natick, MA, USA
585
Microwave Drying of Agar Gels: Kinetic Parameters
A. Garcia, O. Iglesias, J.L. Bueno, University of Oviedo, Oviedo, Spain; M. Roques, ESI-GTI, University of Pau, Pau, France
595
Microwave Drying of Corn
Janos Beke, University of Godollo, Godollo, Hungary
607
Microwave Drying of Light Concrete: From Transport Mechanisms to Explanation of Energy Savings
T. Constant, C. Moyne, LEMTA, Vandoeuvre, France; P. Perre, ENGREF, Nancy, France
617
The Four Phases of Micro-Wave and Convective Combined Drying
M.A. Roques, F. Zagrouba, ENSIC - L.P.C.I., Nancy, France
627
The Effect of Combined Microwave and Convective Drying of Porous Media on Drying Kinetics
I.W. Turner, Queensland Univ. of Technology, Brisbane, Australia; K. Bremhorst, The Univ. of Queensland, Brisbane, Australia
635
Drying of Heat Sensitive Materials on Inert Particles with Combined (Convective and Microwave) Heat Transfer
T. Szentmarjay; A. Szalay, Hungarian Academy of Sciences, Veszprem, Hungary; F. Zagrouba, ENSIC,-INPL, Nancy, France; M.A. Rouques, ESIGTI, Univ. de Pau, Pau, France
650
Humidity Control by Complementary Microwave Drying at the End of a Dryer
Rodriguez G., Vasseur, J., Trystram, G., ENSIA, Massy, France
656
Section VI.
INFRARED DRYING
667
Graphite Slurry Dehydration by Infrared Radiation under Vacuum Conditions
P. Dontigny, P. Angers, M. Supino, L.T.E.E. d'Hydro-Quebec, Shawinigan, Que., Canada
669
Optimization of a Drying Process using Infrared Radio Frequency and Convection Heating
M. Dostie, L. T.E.E., Hydro-Quebec, Shawnigan, Quebec, Canada
679
Studies on Infrared and Convective Drying of Non Hygroscopic Solids
P. Navarri, J. Andrieu, LAGEP, Lyon I, Villeurbanne, France; A. Gevaudan, CETIAT, Villeurbanne, France
685
Convective Transport in Infrared Drying
J.-M. Parrouffe, M. Dostie, A. Poulin, L.T.E.E., Hydro-Quebec, Shawinigan, Que., Canada A.S. Mujumdar, McGill University, Montreal, Canada
695
Application of Infra-Red Radiation for Drying of Particulate Materials
I. Zbicinski, Technical Univ. of Lodz, Lodz, Poland; A. Jakobsen, J.L. Driscoll, EA Technology, Capenhurst, Claester, U.K.
704
Optical Characteristics of Gelatinous Materials in Infrared Radiation Drying
Y. Yamazaki, A. Hashimoto, T. Honda and M. Shimizu, Tokyo University of Agriculture and Technology, Tokyo, Japan
712
Preliminary Study of Drying of Coated Film Heated by Infrared Radiation
P. Navarri, J. Andrieu, LAGEP, Lyon I, Villeurbanne, France; A. Gevaudan, CETIAT Villeurbanne, France
722
Section VII.
DRYING OF PARTICULATE MATERIALS
729
Drying Performances and Heat Transfer in a Vibrated Fluidized Bed
Slau Hong Yu, Bao Jiao Ma, Yi Qin Weng, Shanghai Research Institute of Chemical Industry, Shanghai, P.R. China
731
Drying of Granular Materials by Temperature Program
Xiaomei Song, The Norwegian Institute of Technology, Trondheim, Norway
741
Drying and Particle Agglomeration Technology
T. Taylor, Unilever Research Port Sunlight Laboratory, Wirral, U.K.
750
Performance of an Experimental Vibro-Spouted Bed Dryer
J.RD. Finzer, DEQ, U.F. Uberlandia, Brazil; T. G. Kieckbusch, FEQ, UNICAMP, Campinas, Brazil
762
Section VIII.
DRYING OF FOODS
773
Mass Transfer and Volatiles Retention During Foam-Mat Drying of Food Models
P.P. Lewicki, D. Konopacka, Warsaw Agri. Univ., Warsaw, Poland
775
Model Selection in Air Drying of Foods
C. T. Kiranoudis, Z.B. Maroulis, D. Marinos-Kouris, National Technical University, Athens, Greece
785
Spray Drying Leaflash Technique: Application to Liquid Food Products
B.R. Bhandari, A. Senoussi, A. Lebert, E.D. Dumoulin, ENSIA, Massy, France
795
Compartmental Modelling in Pineapple Drying
J.C. Laguerre, ISAB, Cergy Pontoise, France; O. Techasena, CEMAGREF, Antony, France; A. Lebert, INRA, Massy, France; J.J. Bimbenet, ENSIA, Massy, France
805
Drying of Desiccated Coconut on Vibrating Fluidised Bed Dryer
S.K. Goyel, RM. Shah, Kilburn Engineering Ltd., Bombay, India
815
Cane Sugar Drying in Fluidized Bed
S. Trichaiyaporn, D. Steinmetz, J.L. Baxerres, D. Barreteau and C. Laguerie ENSIGC, Toulouse, France
827
Analysis of Dryers Performance for Tropical Foodstuffs Using the Characteristic Drying Curve Concept
H. Desmorieux and C. Moyne, LEMTA, Vandoeuvre les Nancy, France
834
Influence of Fat Content on the Drying of Meat Products
A. Mulet, Universidad Politecnica de Valencia, Spain; A. Berna, Universitat deValencia, Spain; C. Rossell? J. Cañellas, Universitat de les Illes Balears, Spain; N. López, AINIA, Valencia, Spain
844
Conservation of High-Moisture Dried Apricots
J. Cañellas, C. Rossell? A. Torres, S. Simal, Univ. Illes Baleares, Spain; A. Mulet, Univ. Politecnica Valencia, Spain; A. Berna, Univ. Valencia, Spain
854
A Generalized Drying·Curve for Shrinking Food Materials
G Ratti and G.H. Crapiste, Planta Piloto de Ingenieria Quimica, Bahia Blanca, Argentina
864
Drying Parameters to Obtain "Banana-Passa"
R.I. Nogueira, CTAA /EMBRAPA, Rio de Janeiro, Brazil; K.J. Park FEAGRI/UNICAMP, Campinas, Brazil
874
Heat and Mass Transfer in Externally Controlled Drying of Vegetables
P.P. Lewicki, D. Witrowa, Warsaw Agricultural Univ., Warsaw, Poland
884
Secondary Surface and its Detection on a Drying Process of Persimmons
Setsuo Hayashi, Toyama Prefectural University, Toyama, Japan
892
Rates of Loss of Volatile Compounds During Drying of Suspended Drops
J.M. Sunkel and C.J. King, Univ. of California, Berkeley, CA, USA
901


IDS'92 - part B