Time scale analysis for fluidized bed melt granulation I: Granule-granule and granule-droplet collision rates

Chemical Engineering Science

Volumn 66, Issue 3, 2011, Pages 318-326

  Chua, Kel W ^a   Makkawi, Yassir T ^b   Hounslow, Michael J ^a  

^a UNIVERSITY OF SHEFFIELD   (United Kingdom)

^b ASTON UNIVERSITY   (United Kingdom)

Author keywords

CFD; Collisions; Fluidization; Granulation; Particle processing; Particle technology

Indexed keywords

AGGREGATION RATE; BALLISTIC MODEL; CFD; CFD SIMULATIONS; COLLISION RATE; COLLISION TIME; COLLISIONS; DROPLET COLLISION; DROPLET SOLIDIFICATION; DROPLET VELOCITY; FLUIDIZED BED MELT GRANULATIONS; FLUIDIZED BED SYSTEM; HYDRODYNAMIC PARAMETERS; KINETIC THEORY OF GRANULAR FLOW; PARTICLE PROCESSING; PARTICLE TECHNOLOGY; PROBABILITY ANALYSIS; PROCESS INDUSTRIES; QUANTITATIVE PREDICTION; SPRAY NOZZLE; TIME SCALE ANALYSIS;

COMPUTATIONAL FLUID DYNAMICS; DROP FORMATION; FLUID DYNAMICS; FLUIDIZATION; FLUIDIZED BED PROCESS; FLUIDIZED BEDS; GRANULATION; SPRAY NOZZLES; STATISTICS; TIME MEASUREMENT; TIME SERIES ANALYSIS; VELOCITY;

PARTICLES (PARTICULATE MATTER);

EID: 78650708300     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ces.2010.10.033     Document Type: Article

References (16)

1. Chua, Kel W., Makkawi, Y.T., Hounslow, M.J. Time scale analysis for fluidized bed melt granulation III: binder solidification rate. Chem. Eng. Sci., in press-a, doi:. http://10.1016/j.ces.2010.10.031.
2. Chua, Kel W., Makkawi, Y.T., Hounslow, M.J. Time scale analysis for fluidized bed melt granulation II: binder spreading rate. Chem. Eng. Sci., in press-b, doi:. http://10.1016/j.ces.2010.10.032.
3. Ding J., Gidaspow D. A bubbling fluidization model using kinetic theory of granular flow. AIChE J. 1990, 36:523-538.
4. Fluent 6.3, 1996. Fluent 6.3 Users Guide. Lebanon, NH, Ansys Inc.
5. Goldschmidt, M., 2001. Hydrodynamic modelling of fluidized bed spray granulation. Ph.D. Thesis, Fundamental Aspects of Chemical Reaction Engineering Research Group, Enschede, University of Twente.
6. Heinrich S., Peglow M., Ihlow M., Henneberg M., Morl L. Analysis of the start-up process in continuous fluidized bed spray granulation by population balance modeling. Chem. Eng. Sci. 2002, 57:4369-4390.
7. Johnson P., Jackson R. Frictional-collisional constitutive relations for granular materials, with application to plane shearing. J. Fluid Mech. 1987, 176:67-93.
8. Lun C.K.K., Savage S.B.S., Jeffrey D.J., Chepurniy N. Kinetic theories for granular flow: inelastic particles in Couette flow and slightly inelastic particles in a general flow field. J. Fluid Mech. 1984, 140:223-256.
9. Schaeffer D.G. Instability in the evolution equations describing incompressible granular flow. J. Diff. Eq. 1987, 66:19-50.
10. Schaafsma S.H., Vonk P., Kossen N.W.F., Hoffmann A.C. A model for the spray zone in early-stage fluidized bed granulation. AIChE 2006, 52:2736-2741.
11. Sinclair J.L., Jackson R. Gas-particle flow in a vertical pipe with particle-particle interactions. AIChE 1989, 35:1473-1486.
12. Syamlal, M., Rogers, W., O'Brien T.J., 1993. MFIX documentation: volume 1. Theory Guide, National Technical Information Service, Springfield, VA, DOE/METC-9411004, NTIS/DE9400087.
13. Syamlal M., O'Brien T.J. Computer simulation of bubbles in a fluidized bed. AIChE Symp. Ser. 1989, 85:22-31.
14. Tan H.S., Goldschmidt M.J.V., Boerefijn R., Hounslow M.J., Salman A.D., Kuipers J.A.M. Building population balance model for fluidized bed melt granulation: lessons from kinetic theory of granular flow. Powder Technol. 2004, 142:103-109.
15. Tan H.S., Salman A.D., Hounslow M.J. Kinetics of fluidized bed melt granulation I: the effect of process variables. Chem. Eng. Sci. 2006, 61:1585-1601.
16. Thielmann F., Naderi M., Ansari M., Stepanek F. The effect of primary particle surface energy on agglomeration rate in fluidized bed wet granulation. Powder Technol. 2008, 181:160-168.