The Steady-State Behaviors of Reactive Tray and Reactive Packed Distillation Acetalization Processes for Methylal Syntheses

GIWA, Abdulwahab (2013) The Steady-State Behaviors of Reactive Tray and Reactive Packed Distillation Acetalization Processes for Methylal Syntheses. The Steady-State Behaviors of Reactive Tray and Reactive Packed Distillation Acetalization Processes for Methylal Syntheses, 2 (9). pp. 109-119. ISSN 2278-0181

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Abstract

The behaviors of the reactive tray and the reactive packed distillation processesused for the productions of methylal from the acetalization reaction between methanol and formaldehyde at steady state have been investigated in this work. The investigations were carried out by modeling and simulating the columns with the aid of Aspen Plus. In the modeling of the columns, tray and packed RadFrac columnswere used and Van Laar/Redlich-Kwong equation of state with Henry’s law was employed as the property method. Each of the columns, apart from the condenser and the reboiler, was divided into three sections and the middle section was made the reaction section. The acetalization reaction occurring in the reaction section of each of the columns was modeled as an equilibrium type with molarity as the basis of equilibrium constant computed from Gibbs energy. The simulations of the process occurring in the columns were accomplished using a reflux ratio of 3 and a reboiler duty of 0.35 kJ/s. The results obtained from the simulations showed that the behaviors of the temperature profiles, the liquid component mole fraction profiles and the vapor mole fraction profiles of the components involved in the reactive distillation processes of the tray and the packed columns were the same at steady state.

Item Type: Article
Uncontrolled Keywords: Reactive distillation, modeling, simulation, acetalization, methylal.
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User: Mr Tayo Okunlola
Date Deposited: 21 Dec 2015 16:53
Last Modified: 21 Dec 2015 16:53
URI: http://eprints.abuad.edu.ng/id/eprint/451

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