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Modeling and Simulation of Industrial PVC Drying in Fluidized Beds with Internal Heat Source

2012; Wiley; Volume: 35; Issue: 12 Linguagem: Inglês

10.1002/ceat.201100713

1521-4125

Antonio Rodrigues Tacidelli, Antônio Tavernard Pereira Neto, Romildo Pereira Brito, Antônio Carlos Brandão de Araújo, Luís Gonzaga Sales Vasconcelos, José Jaílson Nicácio Alves,

Metallurgical Processes and Thermodynamics

Abstract An engineering application case study on a two‐fluid flow model for the control of industrial drying operations is reported. The mathematical model of this process was numerically solved by a computer code developed in FORTRAN language and was validated through data taken from PVC drying performed in an industrial continuous fluidized‐bed dryer. The predicted steady‐state outlet temperature and PVC moisture content values agree with the real data observed on the industrial plant. This model was also used to predict the temperature and concentration profiles inside the dryer as a function of time as a response to the disturbances and variations on the PVC water content at the dryer inlet.