Chromatographic studies of n-Propyl Propionate: Adsorption equilibrium, modelling and uncertainties determination
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Chromatographic studies of n-Propyl Propionate : Adsorption equilibrium, modelling and uncertainties determination. / Nogueira, Idelfonso B.R.; Faria, Rui P.V.; Requião, Reiner; Koivisto, Hannu; Martins, Márcio A.F.; Rodrigues, Alírio E.; Loureiro, José M.; Ribeiro, Ana M.
In: Computers and Chemical Engineering, Vol. 119, 02.11.2018, p. 371-382.Research output: Contribution to journal › Article › Scientific › peer-review
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TY - JOUR
T1 - Chromatographic studies of n-Propyl Propionate
T2 - Adsorption equilibrium, modelling and uncertainties determination
AU - Nogueira, Idelfonso B.R.
AU - Faria, Rui P.V.
AU - Requião, Reiner
AU - Koivisto, Hannu
AU - Martins, Márcio A.F.
AU - Rodrigues, Alírio E.
AU - Loureiro, José M.
AU - Ribeiro, Ana M.
PY - 2018/11/2
Y1 - 2018/11/2
N2 - The n-Propyl Propionate (ProPro) is a compound that has several possible industrial applications. However, the current production route of this component presents several problems, such as the downstream purification. In this way, chromatographic separation could be an alternative solution to the downstream purification. In this work experimental studies of the ProPro reaction system separation in a chromatographic fixed bed unit packed with Amberlyst 46 were performed. The adsorption equilibrium isotherms and the corresponding Langmuir model parameters were determined. A phenomenological model to represent the process was developed and validated through the experimental data. Meanwhile, it is proposed the characterization of the uncertainties of all steps and its extension to the model prediction, which allowed to estimate the model parameters with a reduced number of experiments, when compared with other reports in the literature; nevertheless, the final results lead to a statistically more reliable model.
AB - The n-Propyl Propionate (ProPro) is a compound that has several possible industrial applications. However, the current production route of this component presents several problems, such as the downstream purification. In this way, chromatographic separation could be an alternative solution to the downstream purification. In this work experimental studies of the ProPro reaction system separation in a chromatographic fixed bed unit packed with Amberlyst 46 were performed. The adsorption equilibrium isotherms and the corresponding Langmuir model parameters were determined. A phenomenological model to represent the process was developed and validated through the experimental data. Meanwhile, it is proposed the characterization of the uncertainties of all steps and its extension to the model prediction, which allowed to estimate the model parameters with a reduced number of experiments, when compared with other reports in the literature; nevertheless, the final results lead to a statistically more reliable model.
KW - Adsorption equilibrium isotherms
KW - Confidence region
KW - Fixed bed adsorptive unit
KW - n-Propyl Propionate
KW - Particle swarm optimization
U2 - 10.1016/j.compchemeng.2018.09.020
DO - 10.1016/j.compchemeng.2018.09.020
M3 - Article
VL - 119
SP - 371
EP - 382
JO - Computers and Chemical Engineering
JF - Computers and Chemical Engineering
SN - 0098-1354
ER -