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Journals
Processes
Special Issues
Design and Performance Optimization of Heterogeneous Catalysts
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Design and Performance Optimization of Heterogeneous Catalysts

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Catalysis Enhanced Processes".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 1006

Special Issue Editors

Dr. Dan Wu

E-Mail Website
Guest Editor
School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: heterogeneous catalysis; metal catalysts; surface modification; catalytic hydrogenation; biomass
Special Issues, Collections and Topics in MDPI journals
Dr. Dandan Han

E-Mail Website
Guest Editor
College of Science, Henan Agricultural University, Zhengzhou 450002, China
Interests: electrocatalysis; self-assembly; nanocrystal superlattice; water splitting; hydrogen evolution reaction

Special Issue Information

Dear Colleagues,

Significant efforts have been made in the design and performance optimization of heterogeneous catalysts, which play a crucial role in catalytic science. By tuning the composition, morphology, particle size, and surface properties of active components, researchers have achieved remarkable improvements in catalytic activity, selectivity, and stability across various chemical reactions. The design of heterogeneous catalysts often involves metal-oxide composites, carbon-based composites, and hierarchical porous materials, which provide higher surface areas and optimized active sites for reactions. Moreover, performance optimization is increasingly supported by advanced characterization techniques and theoretical computations, which offer insights into surface reaction mechanisms and the behavior of catalysts under different reaction conditions.

This Special Issue, entitled "Design and Performance Optimization of Heterogeneous Catalysts", aims to collect and showcase the latest research achievements in the design, activity control, and stability enhancement of heterogeneous catalysts. We welcome submissions related to the synthesis of novel catalysts, surface modification, reaction mechanism studies, and industrial applications. Research with practical applications, such as in energy conversion, environmental purification, and chemical production, is especially encouraged. Additionally, studies focusing on the optimization of catalyst performance using both experimental and simulation methods will be a key focus of this Special Issue.

The expected topics for this Special Issue include, but are not limited to, the following:

  • Design and synthesis of novel heterogeneous catalysts;
  • Optimization of catalytic activity, selectivity, and stability;
  • Surface structure and reaction mechanism studies of catalysts;
  • Applications of heterogeneous catalysts in energy conversion, environmental purification, and industrial catalysis;
  • Modeling, simulation, and computational studies of catalyst performance;
  • Techno-economic analysis and industrial application evaluation of heterogeneous catalysts.

Dr. Dan Wu
Dr. Dandan Han
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. Processes is an international peer-reviewed open access monthly 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 2400 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

  • heterogeneous catalysts
  • catalyst design
  • performance optimization
  • selectivity and stability
  • surface modification
  • reaction mechanisms
  • energy conversion
  • industrial catalysis
  • metal-oxide composites
  • computational modeling

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

11 pages, 4570 KiB  
Article
Molecular-Level Regulation of Nitrogen-Doped Ordered Mesoporous Carbon Materials via Ligand Exchange Strategy
by Dandan Han, Zhen Quan, Congyuan Hu, Xiaopeng Wang, Lixia Wang, Ruige Li, Xia Sheng, Yanyan Liu, Meirong Song and Xianfu Zheng
Processes 2025, 13(5), 1558; https://doi.org/10.3390/pr13051558 - 18 May 2025
Viewed by 122
Abstract
Ordered mesoporous carbon materials (OMCMs) are widely used as high-performance electrode materials due to their uniform pore structure, excellent electrical conductivity, and good stability. In this paper, three OMCMs with controllable N content were prepared by a nanocasting method using Fe3O [...] Read more.
Ordered mesoporous carbon materials (OMCMs) are widely used as high-performance electrode materials due to their uniform pore structure, excellent electrical conductivity, and good stability. In this paper, three OMCMs with controllable N content were prepared by a nanocasting method using Fe3O4 nanocrystals as the template and organic ligands as the carbon source. By adopting a ligand exchange strategy, oleic acid, oleic amine, and octyl amine were successfully capped onto the Fe3O4 nanocrystals, respectively, which allowed the rational control of the elemental composition of OMCMs at the molecular level. Further characterizations revealed that the nitrogen content of the resulting OMCMs increased as the proportion of nitrogen atoms in the ligand increased, while the order of the porous structure decreased as the hydrocarbon chain length decreased. This study demonstrates that both the N-doping content and the order of the OMCMs are influenced by the N-containing ligand. This finding will provide a fundamental aspect for their further applications as high-performance electrode and catalytic materials in the field of electrochemistry. Full article
(This article belongs to the Special Issue Design and Performance Optimization of Heterogeneous Catalysts)
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12 pages, 2252 KiB  
Article
Room-Temperature Complete Oxidation of Formaldehyde over Lactic Acid-Modified HZSM-5-Supported Pt Catalyst
by Tongtong Zhang, Sijia Wang, Xingyuan Li, Yupeng Du, Jiajun Hu, Shi Jiang and Yu Guo
Processes 2025, 13(5), 1440; https://doi.org/10.3390/pr13051440 - 8 May 2025
Viewed by 369
Abstract
Room-temperature complete oxidation of formaldehyde (HCHO) is an important orientation of research programs, yet challenges remain. The development of efficient catalysts with high activity and excellent stability is of great significance for such practical application. Inspired by this whole catalytic process, we, therefore, [...] Read more.
Room-temperature complete oxidation of formaldehyde (HCHO) is an important orientation of research programs, yet challenges remain. The development of efficient catalysts with high activity and excellent stability is of great significance for such practical application. Inspired by this whole catalytic process, we, therefore, chose HZSM-5 zeolite with abundant acidic sites as catalyst support and lactic acid (LA) as modifier to regulate the properties. The use of LA simultaneously enhances the hydroxyls density and increases the dispersion of Pt nanoparticles, which are better than the reference catalyst prepared via direct wetness impregnation method. Most satisfying of all, the lactic acid-modified HZSM-5-supported Pt catalyst demonstrates a remarkable reaction performance for room-temperature HCHO oxidation at a high concentration HCHO of 80 ppm and a large space velocity of 360,000 mL/g/h (especially with a low Pt loading of 0.5%). In addition, a 120 h test further confirms the favorable stability of the designed catalyst. This pre-modified strategy using organic acid might provide potential approach in the construction of efficient zeolite-supported catalysts. Full article
(This article belongs to the Special Issue Design and Performance Optimization of Heterogeneous Catalysts)
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12 pages, 3552 KiB  
Article
Facilitation of CO2 Hydrogenation to Methanol by Spinel ZnGa2O4 in Cu-ZnO Catalysts
by Xiulin Wang, Yuanshuang Zheng, Yu Zhang, Jiajun Qiu, Lun He and Bang Gu
Processes 2025, 13(5), 1420; https://doi.org/10.3390/pr13051420 - 7 May 2025
Viewed by 194
Abstract
The hydrogenation of CO2 to methanol is an effective approach for utilizing carbon resources. Cu-ZnO-based catalysts have attracted significant attention due to their ability to activate CO2; however, improving methanol selectivity remains a challenge. In this study, the incorporation of [...] Read more.
The hydrogenation of CO2 to methanol is an effective approach for utilizing carbon resources. Cu-ZnO-based catalysts have attracted significant attention due to their ability to activate CO2; however, improving methanol selectivity remains a challenge. In this study, the incorporation of an appropriate amount of Ga into Cu-ZnO catalysts, resulting in the formation of spinel ZnGa2O4 crystals, significantly enhances the conversion of CO2 to methanol. Ternary CuZnGa composite oxides with varying Ga contents were synthesized, and their effects on CO2 hydrogenation were investigated. The optimal Cu6Zn3Ga1 catalyst achieved a CO2 conversion rate of 13% and a methanol selectivity of 59% under reaction conditions of 240 °C, 4 MPa, and a GHSV of 7500 mL⋅gcat−1⋅h−1. In contrast, the undoped Cu6Zn4 catalyst exhibited a lower CO2 conversion of 9.8% and a methanol selectivity of 38%. Characterization results indicate that the introduction of Ga promotes the formation of oxygen vacancies, enhances CO2 activation, and facilitates electronic interactions between spinel ZnGa2O4 and Cu sites, thereby improving methanol production. Furthermore, the spinel ZnGa2O4-modified Cu catalyst demonstrated excellent stability over 90 h of continuous operation. This study presents a novel approach to designing spinel ZnGa2O4-modified Cu-ZnO-based catalysts and offers a new strategy for enhancing CO2 hydrogenation to methanol. Full article
(This article belongs to the Special Issue Design and Performance Optimization of Heterogeneous Catalysts)
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