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ChemEngineering
Special Issues
Advances in Catalytic Kinetics
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Advances in Catalytic Kinetics

A special issue of ChemEngineering (ISSN 2305-7084).

Deadline for manuscript submissions: 25 October 2025 | Viewed by 3330

Special Issue Editors

Prof. Dr. Dmitry Yu. Murzin

E-Mail Website
Guest Editor
Johan Gadolin Process Chemistry Centre, Faculty of Science and Engineering, Åbo Akademi University, 20500 Turku, Finland
Interests: catalytic kinetics; reaction engineering; biomass valorization; chemical technology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Philippe M. Heynderickx

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Guest Editor
1. Center for Environmental and Energy Research (CEER) – Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, Republic of Korea
2. Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, B-9000 Ghent, Belgium
Interests: catalytic kinetics

Special Issue Information

Dear Colleagues,

The current Special Issue will be focused on advances in catalytic kinetics, extending beyond the models typically employed in contemporary chemical reaction engineering.

Prof. Dr. Dmitry Yu. Murzin
Prof. Dr. Philippe M. Heynderickx
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. ChemEngineering is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • catalysis
  • kinetic modeling
  • cluster size effects
  • single atoms
  • reaction engineering

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Published Papers (2 papers)

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Research

14 pages, 3196 KiB  
Article
Bifunctional Catalytic Performance of Zn/ZSM-5 in the Aromatization of LPG and the Conversion of Pyrolytic Gases from Recycled Polypropylene
by Diego Barzallo, Miguel A. Reinoso, Gabriela Miranda, Trino Romero, Mario Franco and Paul Palmay
ChemEngineering 2024, 8(6), 108; https://doi.org/10.3390/chemengineering8060108 - 22 Oct 2024
Viewed by 644
Abstract
Zn-modified ZSM-5 zeolites with different zinc contents were successfully prepared by the impregnation method and compared with unmodified ZSM-5. Their potential for LPG (liquefied petroleum gas) aromatization and the conversion of pyrolysis gases obtained from recycled polypropylene was subsequently evaluated. In this process, [...] Read more.
Zn-modified ZSM-5 zeolites with different zinc contents were successfully prepared by the impregnation method and compared with unmodified ZSM-5. Their potential for LPG (liquefied petroleum gas) aromatization and the conversion of pyrolysis gases obtained from recycled polypropylene was subsequently evaluated. In this process, various characterization tests were performed on the prepared catalysts, including SEM-EDS (scanning electron microscopy with energy-dispersive spectroscopy), TPD-NH₃ (temperature-programmed desorption of ammonia), and FTIR (Fourier-transform infrared spectroscopy). Under optimized conditions, the best results were obtained with 2% Zn/ZSM-5, which generated a higher production of BTX (benzene, toluene, and xylene) isomers, which are major components of gasoline. Likewise, in catalytic pyrolysis of recycled polypropylene, this catalyst generated a higher production of aromatic compounds. Therefore, this catalyst showed excellent performance in generating valuable hydrocarbons of great industrial interest, particularly aromatics. Full article
(This article belongs to the Special Issue Advances in Catalytic Kinetics)
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24 pages, 7266 KiB  
Article
Profile of the Effectiveness Factor under Optimal Operating Conditions for the Conversion of Ortho-Xylene to Phthalic Anhydride in a Fixed-Bed Tubular Reactor
by Luis Américo Carrasco-Venegas, Elsa Vásquez-Alvarez, José Vulfrano González-Fernández, Luz Genara Castañeda-Pérez, Juan Taumaturgo Medina-Collana, Guido Palomino-Hernández, Daril Giovanni Martínez-Hilario and Salvador Apolinar Trujillo-Pérez
ChemEngineering 2024, 8(2), 35; https://doi.org/10.3390/chemengineering8020035 - 20 Mar 2024
Viewed by 1924
Abstract
The objective of this research is to find the effectiveness factor of the catalyst particles for the most favorable conditions of the phthalic anhydride production in a fixed bed reactor, with the aim of achieving the highest rate of phthalic anhydride production compared [...] Read more.
The objective of this research is to find the effectiveness factor of the catalyst particles for the most favorable conditions of the phthalic anhydride production in a fixed bed reactor, with the aim of achieving the highest rate of phthalic anhydride production compared to other secondary products and analyzing the areas of lower effectiveness for the modification of the reactor design. Initially, the material and the energy balances in the catalytic bed are solved to obtain the concentration and temperature profiles based on the radius and length of the reactor, using polymath software(Polymath® v6.2 Software Minitab 19 Matlab 2019) with the data from literature. Once the profiles reproducibility was verified using the initial data (inlet temperature, pressure in the reactor, reactor wall temperature, reactor radius and mass flow rate) the experimental design 35 carry out, which generates 243 “experiments”, whose response variable (phthalic anhydride concentration) was obtained using Matlab. Subsequently, the variables were analyzed using the Minitab 18® that, through the response surface analysis method, allowed us to obtain the optimal values of the tested variables. Then, Subsequently, material and energy balances coupled with Fourier and Fick’s laws, along with the effectiveness factor equation, were applied, resulting in the generation of 9 coupled differential equations. Upon implementing the finite difference method, this yielded 90 nonlinear algebraic equations, which were solved using the Polymath software. A total of 78 particles were preselected based on their radial and axial positions to determine the effectiveness factor profile, with values ranging from 0.83 to near unity. The lower values correspond to the points with higher temperature, as evidenced by the calculations performed. Full article
(This article belongs to the Special Issue Advances in Catalytic Kinetics)
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