Volume 48, Issue 7 e70079
Research Article

Simulation of Azelaic Acid Crystallization Process Based on MATLAB and Aspen Plus

Zhiyuan Zhao

Zhiyuan Zhao

School of Chemical Engineering, Hebei University of Technology, No.8 Guangrong Road, Tianjin, 300130 China

National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, No.8 Guangrong Road, Tianjin, 300130 China

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Weiyi Su

Corresponding Author

Weiyi Su

School of Chemical Engineering, Hebei University of Technology, No.8 Guangrong Road, Tianjin, 300130 China

National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, No.8 Guangrong Road, Tianjin, 300130 China

E-mail: [email protected]

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Mengyao Wang

Mengyao Wang

School of Chemical Engineering, Hebei University of Technology, No.8 Guangrong Road, Tianjin, 300130 China

National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, No.8 Guangrong Road, Tianjin, 300130 China

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Wenxiu Yang

Wenxiu Yang

School of Chemical Engineering, Hebei University of Technology, No.8 Guangrong Road, Tianjin, 300130 China

National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, No.8 Guangrong Road, Tianjin, 300130 China

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Qi Hao

Qi Hao

School of Chemical Engineering, Hebei University of Technology, No.8 Guangrong Road, Tianjin, 300130 China

National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, No.8 Guangrong Road, Tianjin, 300130 China

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Xiong Yu

Xiong Yu

School of Chemical Engineering, Hebei University of Technology, No.8 Guangrong Road, Tianjin, 300130 China

National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, No.8 Guangrong Road, Tianjin, 300130 China

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Honghai Wang

Honghai Wang

School of Chemical Engineering, Hebei University of Technology, No.8 Guangrong Road, Tianjin, 300130 China

National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization, No.8 Guangrong Road, Tianjin, 300130 China

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First published: 08 July 2025

Abstract

This study develops a coupled model using MATLAB and Aspen Plus to simulate the cooling-antisolvent crystallization of azelaic acid. The solubility was measured using the gravimetric method, and a crystallization kinetics model was built with the population balance equation. Kinetic parameters were obtained through experiments and used as inputs for the model. A key feature was the segmental addition of antisolvent in Aspen Plus. To address Aspen Plus limitations in dynamic solubility changes, a MATLAB-based solubility calculator was developed, feeding solubility data back to Aspen Plus. The simulation results were validated by comparing crystal size distribution data, confirming the model's accuracy. This approach provides a reliable tool for optimizing antisolvent crystallization processes.

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