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Article

Model-Based Analysis for Ethylene Carbonate Hydrogenation Operation in Industrial-Type Tubular Reactors

by
Hai Huang
1,
Chenxi Cao
2,*,
Yue Wang
3,
Youwei Yang
3,
Jianning Lv
4 and
Jing Xu
1,5,*
1
State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
2
Key Laboratory of Smart Manufacturing in Energy Chemical Process, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
3
Key Laboratory for Green Chemical Technology of Ministry of Education, Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
4
Wison Engineering Ltd., 633 Zhongke Rd., Shanghai 201210, China
5
Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
*
Authors to whom correspondence should be addressed.
Processes 2022, 10(4), 688; https://doi.org/10.3390/pr10040688
Submission received: 21 March 2022 / Revised: 27 March 2022 / Accepted: 28 March 2022 / Published: 31 March 2022
(This article belongs to the Special Issue Industrial Chemistry Reaction: Kinetics, Mass Transfer and Industrial Reactor Design (II))
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Abstract

Hydrogenation of ethylene carbonate (EC) to co-produce methanol (MeOH) and ethylene glycol (EG) offers an atomically economic route for CO2 utilization. Herein, aided with bench and pilot plant data, we established engineering a kinetics model and multiscale reactor models for heterogeneous EC hydrogenation using representative industrial-type reactors. Model-based analysis indicates that single-stage adiabatic reactors, despite a moderate temperature rise of 12 K, suffer from a narrow operational window delimited by EC condensation at lower temperatures and intense secondary EG hydrogenation at higher temperatures. Boiling water cooled multi-tubular reactors feature near-isothermal operation and exhibit better operability, especially under high pressure and low space velocity. Conduction oil-cooled reactors show U-type axial temperature profiles, rendering even wider operational windows regarding coolant temperatures than the water-cooled reactor. The revelation of operational characteristics of EC hydrogenation under industrial conditions will guide further improvement in reactor design and process optimization.
Keywords: ethylene carbonate hydrogenation; methanol; ethylene glycol; multiscale reactor model; reactor analysis; operation window ethylene carbonate hydrogenation; methanol; ethylene glycol; multiscale reactor model; reactor analysis; operation window
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MDPI and ACS Style

Huang, H.; Cao, C.; Wang, Y.; Yang, Y.; Lv, J.; Xu, J. Model-Based Analysis for Ethylene Carbonate Hydrogenation Operation in Industrial-Type Tubular Reactors. Processes 2022, 10, 688. https://doi.org/10.3390/pr10040688

AMA Style

Huang H, Cao C, Wang Y, Yang Y, Lv J, Xu J. Model-Based Analysis for Ethylene Carbonate Hydrogenation Operation in Industrial-Type Tubular Reactors. Processes. 2022; 10(4):688. https://doi.org/10.3390/pr10040688

Chicago/Turabian Style

Huang, Hai, Chenxi Cao, Yue Wang, Youwei Yang, Jianning Lv, and Jing Xu. 2022. "Model-Based Analysis for Ethylene Carbonate Hydrogenation Operation in Industrial-Type Tubular Reactors" Processes 10, no. 4: 688. https://doi.org/10.3390/pr10040688

APA Style

Huang, H., Cao, C., Wang, Y., Yang, Y., Lv, J., & Xu, J. (2022). Model-Based Analysis for Ethylene Carbonate Hydrogenation Operation in Industrial-Type Tubular Reactors. Processes, 10(4), 688. https://doi.org/10.3390/pr10040688

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