Investigation on Catalytic Distillation Dehydrogenation of Perhydro-Benzyltoluene: Reaction Kinetics, Modeling and Process Analysis | Sciact - CRIS-system of Boreskov Institute of Catalysis

Investigation on Catalytic Distillation Dehydrogenation of Perhydro-Benzyltoluene: Reaction Kinetics, Modeling and Process Analysis Full article

Journal

Chemical Engineering Journal
ISSN: 1385-8947 , E-ISSN: 1873-3212

Output data

Year: 2024, Volume: 482, Article number : 148591, Pages count : 14 DOI: 10.1016/j.cej.2024.148591

Tags

Dehydrogenation process; Catalytic distillation; Perhydro-benzyltoluene; Reaction kinetic; Degree of dehydrogenation

Authors

Wang Qinglian ^1,2 , Le Keyu ¹ , Lin Yi ¹ , Yin Wang ^1,2 , Lin Yixiong ^1,2 , Alekseeva Maria V. ³ , Yakovlev Vadim A. ³ , Koskin Anton P. ³ , Yang Chen ^1,2 , Qiu Ting ^1,2

Affiliations

1	Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fujian Universities Engineering Research Center of Reactive Distillation Technology, College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, China
2	Qingyuan Innovation Laboratory, Quanzhou 362801, China
3	Federal Research Center Boreskov Institute of Catalysis SB RAS, Acad. Lavrentiev ave., 5, Novosibirsk 630090, Russia

Funding (5)

1	National Natural Science Foundation of China	22278076
2	National Natural Science Foundation of China	52176062
3	National Natural Science Foundation of Fujian Province	2022J02019
4	Fuzhou University	2024T029
5	Fuzhou University	2024T028

Catalytic distillation is an effective and important technology for low-temperature dehydrogenation of perhydro-benzyltoluene (H12-BT). However, current researches have unfortunately failed to comprehensively understand the reaction and separation processes, hindering the broader application of catalytic distillation dehydrogenation technology. Therefore, in the study, a comprehensive dehydrogenation reaction kinetic model that accounts for the influence of the intermediate H6-BT was established firstly. Subsequently, the vapor–liquid equilibrium data for the binary systems H12-BT + H6-BT and H6-BT + H0-BT was estimated by utilizing the UNIFAC model, so as to obtain the azeotropes. By developing a modified catalytic distillation model, the catalytic distillation dehydrogenation process was examined. Our exploration revealed the existence of an optimal degree of dehydrogenation value, namely 0.8, within the catalytic distillation dehydrogenation process, yielding an approximate 23.8 % reduction in unit H2 production cost in comparison to the fully dehydrogenation case. Our findings contribute valuable insights that have the potential to promote the overall development of the hydrogen energy economy.

Wang Q. , Le K. , Lin Y. , Yin W. , Lin Y. , Alekseeva M.V. , Yakovlev V.A. , Koskin A.P. , Yang C. , Qiu T.
Investigation on Catalytic Distillation Dehydrogenation of Perhydro-Benzyltoluene: Reaction Kinetics, Modeling and Process Analysis
Chemical Engineering Journal. 2024. V.482. 148591 :1-14. DOI: 10.1016/j.cej.2024.148591 WOS Scopus РИНЦ ANCAN OpenAlex

Submitted:	Oct 12, 2023
Accepted:	Jan 4, 2024
Published online:	Jan 17, 2024
Published print:	Feb 15, 2024

Web of science:	WOS:001167543000001
Scopus:	2-s2.0-85184761253
Elibrary:	66156071
Chemical Abstracts:	2024:193314
Chemical Abstracts (print):	186:103405
OpenAlex:	W4391074528

DB	Citing
Scopus	2
Web of science	2