INVESTIGADORES
BUCALA Veronica
artículos
Título:
Granule size distribution for a multi-chamber fluidized-bed melt granulator: Modeling and validation using process measurement data.
Autor/es:
BERTIN, DIEGO; COTABARREN, IVANA; PIÑA, JULIANA; BUCALÁ, VERÓNICA
Revista:
CHEMICAL ENGINEERING SCIENCE
Editorial:
PERGAMON-ELSEVIER SCIENCE LTD
Referencias:
Lugar: Amsterdam; Año: 2013 vol. 104 p. 319 - 329
ISSN:
0009-2509
Resumen:
In thiswork,asteady-statemodelofamulti-chamber fluidized-bed granulatorusedforureaproduction is developedandvalidated.Tothisaim,mass,energyandpopulationbalancesaresolvedforallthe fluidized beds.Regardingthepopulationbalanceequation(PBE),purecoatingorthecombined mechanisms ofcoatingandelutriationaretakenintoaccount.BothPBEformulationsareanalytically solvedandanewsolutionmethodologyisproposedtohandleinletsolidstreamsdistributedindifferent size gridsandtominimizethesolutionerrorspropagationexpectedwhenasetofPBEsinserieshastobe solved.Bycomparisonwithexperimentaldata,itisfoundthatthemodelincludingcoatingand elutriation givesabetterrepresentationoftheparticlessizedistributionwithrespecttotheresultsfound when purecoatingisassumed.Besides,theresultsindicatethatthe fines areremovedalmostcompletely in the first andsecondchambers,beingtheamountof fines inthesubsequentchambersnegligible
