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Title: Simulation of flash separation in polyethylene industrial processing: comparison of SRK and SL equations of state
Other Titles: Industrial & Engineering Chemistry Researc
Authors: Costa, Glória Meyberg Nunes
Guerrieri, Y.
Kislansky, S.
Pessoa, F. L. P.
Melo, Silvio Alexandre Beisl Vieira de
Embiruçu, Marcelo
Issue Date: 2009
Abstract: The Soave−Redlich−Kwong (SRK) and the Sanchez and Lacombe (SL) equations of state are applied to the flash simulation of polyethylene industrial separators, specifically low-density polyethylene (eight resins) and linear low-density polyethylene (25 resins). Three mixing rules are used in the SRK equation: van der Waals (VDW) one-fluid, Wong−Sandler, and LCVM (linear combination of the Vidal and Michelsen mixing rules). The latter two mixing rules incorporate the Bogdanic and Vidal activity coefficient model. All these models involve two adjustable parameters. The results indicate that SL is the best model to simulate the flash separation of polyethylene under industrial conditions.
Description: Texto completo: Acesso restrito. p. 8613–8628.
URI: http://www.repositorio.ufba.br/ri/handle/ri/5215
Appears in Collections:Artigos Publicados em Periódicos (PEI)

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