Experimental data and thermodynamics modeling (PC-SAFT EoS) of the {CO2 + chloroform + PHBV} system at high pressures

Made available in DSpace on 2021-06-25T10:47:34Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-04-01 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Herein, the influence of HV (hydroxyvalerate) addition (8.0 and 8.7 wt% HV) on the PHBV (poly(3-hydroxybutyrate-co-3-hydroxyvalerate)) composition from the perspective of phase equilibrium in high-pressure {(CO2 (1) + chloroform (2) + [PHBV - 8.0 wt%] (3) and (CO2 (1) + chloroform (2) + [PHBV - 8.7 wt%] (3)} systems was examined using the static synthetic method with a visual variable-volume view cell at temperatures ranging from 303.15 to 333.15 K, pressures approximately 10 MPa, and different concentrations of PHBV (HV = 8.0 and 8.7 wt%) in chloroform (0.01 and 0.02 g.cm−3). Transitions of the solid-vapor-liquid (SVL) were observed. The experimentally determined phase transitions were successfully modeled using the PC-SAFT equation of state. Instituto Federal de Educação Ciência e Tecnologia Goiano Campus Rio Verde State University of Maringá Department of Chemical Engineering Sao Paulo State University (UNESP) Campus of Rosana University of São Paulo Engineering School of Lorena Department of Chemical Engineering São Paulo State University (UNESP) Campus of São João da Boa Vista Centro Universitario da Fundaçao de Ensino Octavio Bastos (UNIFEOB) Research Center Sao Paulo State University (UNESP) Campus of Rosana São Paulo State University (UNESP) Campus of São João da Boa Vista FAPESP: 2015/05155-8 FAPESP: 2018/03739-0 FAPESP: 2018/23063-1 CNPq: 421065/2018-4