Agradecimentos: Conselho Nacional de Desenvolvimento Científico e Tecnológico, Fundação de Amparo à Pesquisa do Estado de São Paulo, Petrobras, Financiadora de Estudos e Projetos (FINEP)

The hydrodynamic parameters of molecular distillation (mean free path – MFP and Knudsen number – Kn) were estimated under a screening of evaporator temperature (423.15-623.15 K) and the pressure system (0.1-1.0 Pa). The modeling and simulation were based on the kinetic theory for a set of...

The hydrodynamic parameters of molecular distillation (mean free path – MFP and Knudsen number – Kn) were estimated under a screening of evaporator temperature (423.15-623.15 K) and the pressure system (0.1-1.0 Pa). The modeling and simulation were based on the kinetic theory for a set of twenty-five pseudo-components in a heavy petroleum fraction (HPF). The results demonstrated that when distances from 0.02 to 0.08 m between the evaporator and condenser were considered, the Kn (0.01 – 2.0) elucidated a pattern with the characteristics of free-molecule flow (molecular flow regime). These results offer new insight into the processing of HPFs

FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO - FAPESP

CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO - CNPQ

FINANCIADORA DE ESTUDOS E PROJETOS - FINEP

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