Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/10549
Título: Isobaric vapor−liquid equilibrium data for binary system of glycerol ethyl acetal and acetonitrile at 60.0 kPa and 97.8 kPa
Autor: Constantino, Dânia S. M.
Pereira, Carla S. M.
Pinho, Simão
Silva, V.M.T.M.
Rodrigues, A.E.
Palavras-chave: VLE
Measurement
Data: 2013
Editora: ACS Publications
Citação: Constantino, D.S.M.; Pereira, C.S.M.; Pinho, Simão; Silva, V.M.T.M.; Rodrigues, A.E. (2013) - Isobaric vapor−liquid equilibrium data for binary system of glycerol ethyl acetal and acetonitrile at 60.0 kPa and 97.8 kPa. Journal Chemical Engineering Data. ACS Publications. 58, p.1717-1723
Resumo: Isobaric vapor−liquid equilibrium (VLE) data for the binary mixture of glycerol ethyl acetal (GEA) and acetonitrile were measured at 60.0 kPa and 97.8 kPa, using a dynamic recirculating still. The VLE data were correlated using the nonrandom two-liquid (NRTL) and universal quasichemical activity coefficient (UNIQUAC) models, and the interaction parameters of this mixture were estimated. The experimental procedure was checked by measuring VLE data at 97.8 kPa of the well known system acetone/methanol showing high conformity, as given by applying a set of VLE consistency tests. The vapor pressure of GEA was measured, for the first time, in the temperature range from 371.85 K to 456.85 K, and it is described by the following expression: ln PGEA sat (Pa) = 24.17 − 5781/T(K). The information collected is of utmost importance for the purification of GEA synthesized using simulated moving bed reactor technology.
Peer review: yes
URI: http://hdl.handle.net/10198/10549
DOI: dx.doi.org/10.1021/je400138m
Aparece nas colecções:DTQB - Artigos em Revistas Indexados ao ISI/Scopus

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