Conceptual Design for Synthesis of Benzaldehyde from Natural Cinnamomum Cassia Oil: Experiments and Simulation

Trung Dung Nguyen; Ngoc Quang Phan; Vân-Anh Nguyen; Hong Duc Ta; Xuan-Mi  Meyer; Jean Francois Blanco; Patrick Cognet; Michel Meyer; Hong Ha Cao

doi:10.15625/2525-2518/17982

Author affiliations

Authors

Nguyen Trung Dung School of Chemical Engineering, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hai Ba Trung, Ha Noi, Viet Nam
Phan Ngoc Quang School of Chemical Engineering, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hai Ba Trung, Ha Noi, Viet Nam
Nguyen Vân-Anh School of Chemical Engineering, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hai Ba Trung, Ha Noi, Viet Nam
Ta Hong Duc School of Chemical Engineering, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hai Ba Trung, Ha Noi, Viet Nam
Xuan-Mi Meyer ENSIACET – INP de Toulouse, Laboratoire de Genie Chimique, Universite de Toulouse, UMR CNRS 5503, 4 Allee Emile Monso, BP 44362, 31432 Toulouse, France
Jean Francois Blanco ENSIACET – INP de Toulouse, Laboratoire de Genie Chimique, Universite de Toulouse, UMR CNRS 5503, 4 Allee Emile Monso, BP 44362, 31432 Toulouse, France
Patrick Cognet ENSIACET – INP de Toulouse, Laboratoire de Genie Chimique, Universite de Toulouse, UMR CNRS 5503, 4 Allee Emile Monso, BP 44362, 31432 Toulouse, France
Michel Meyer ENSIACET – INP de Toulouse, Laboratoire de Genie Chimique, Universite de Toulouse, UMR CNRS 5503, 4 Allee Emile Monso, BP 44362, 31432 Toulouse, France
Cao Hong Ha School of Chemical Engineering, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hai Ba Trung, Ha Noi, Viet Nam

DOI:

https://doi.org/10.15625/2525-2518/17982

Keywords:

design and simulation, separation and purification, benzaldehyde, trans-cinnamaldehyde, cinnamomum cassia oil

Abstract

The results on the synthesis of natural benzaldehyde from trans-cinnamaldehyde in natural cinnamon essential oil are presented in this study. The synthetic experiments were carried out to get the primary input parameters for design and simulation, including reaction and extraction steps. The conversion of trans-cinnamaldehyde to benzaldehyde were achieved the highest conversion rate of 33.5 %, and the initial quantity of ethyl acetate solvent was 3825 kg/h used the Aspen Plus® software. The optimal stage of extraction was six, and the optimal quantity of ethyl acetate solvent was 3695 kg/h. In the distillation stage, a two-column design was proposed. The first column was for ethyl acetate solvent removal, whereas the second one was used for purifying the target product (benzaldehyde). The operating conditions of the columns were optimized not only based on the vapor feed but also the equipment cost to minimize the investment budget. The optimal parameters for the first column (D-1) and the second column (D-2) were the number of theoretical plates of 7 (D-1), 11 (D-2); the feed position of 3 (D-1), 5 (D-2); the real reflux ratio of 0.11 (D-1), 2.59 (D-2); and the distillate for feed fraction of 0.9536 (D-1), 0.2171 (D-2), respectively.

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