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Catalysts
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Applications of Heterogeneous Catalysts in Green Chemistry, 2nd Edition
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Applications of Heterogeneous Catalysts in Green Chemistry, 2nd Edition

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: 31 August 2025 | Viewed by 2209

Special Issue Editors

Dr. Anand Kumar

E-Mail Website
Guest Editor
Department of Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar
Interests: heterogeneous catalysts; hydrocarbon reforming; CO2 conversion; hydrogen production; electrocatalysis
Special Issues, Collections and Topics in MDPI journals
Dr. Siham Y. Al-Qaradawi

E-Mail Website
Guest Editor
Department of Chemistry and Earth Sciences, College of Arts and Science, Qatar University, Doha P.O. Box 2713, Qatar
Interests: heterogeneous catalysis; photocatalysis; methane reforming; CO2 conversion; waste water treatment; carbon nanotubes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue is a continuation of our previous Special Issue, entitled “Applications of Heterogeneous Catalysts in Green Chemistry”, following its great success.

Heterogeneous catalysts play a central role in chemical industries that drive molecular transformations to generate desired products. For a process to be sustainable and environmentally benign, the role of catalysts is even more important in the sense that an active, selective, and stable catalyst will be efficient in converting feedstock to targeted products, and it will involve minimum process interruptions caused by catalyst deactivation. High activity ensures energy efficiency and the ability to process large quantities of feedstock in reactors with smaller footprints, while high product selectivity guarantees less undesired byproducts that need to be separated after production. A stable catalyst with steady performance is ideal for any industry, as it results in eliminating frequent plant shutdowns and restarts, with an overall impact that helps lower operational costs and boost plant productivity. Reactors are often followed by separators in chemical industries where unreacted feedstock, byproducts, solvent, etc., are separated from the primary product, which requires a significant amount of energy while generating considerable waste. Efficient catalysts also help to reduce the separation requirement by generating lower numbers of byproducts. In short, the role of heterogeneous catalysts is vital in making sustainable and environmentally friendly processes a reality. In this Special Issue, we invite the submission of and aim to publish original articles and review papers highlighting the critical role played by heterogeneous catalysts in green processes. The scope of this Special Issue is broad in order to cover the various aspects of chemistry and chemical industries, such as green synthesis techniques, pollution control, energy efficiency, environmental catalysis, clean energy, CO2 conversion, hydrogen production, auto-emission catalysts, etc.

Dr. Anand Kumar
Dr. Siham Y. Al-Qaradawi
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. Catalysts 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 2200 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
  • sustainable chemistry
  • functional nanomaterials
  • pollution control
  • environmental catalysis
  • CO2 conversion
  • hydrogen production
  • catalysts design and synthesis
  • fuel cell catalysts
  • oxidation/reduction
  • solid catalysts
  • acid/base catalysts
  • catalysts activation
  • catalyst deactivation

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Related Special Issue

Published Papers (2 papers)

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Review

19 pages, 2934 KiB  
Review
Advances in In Situ Investigations of Heterogeneous Catalytic Ammonia Synthesis
by Weiyi Su, Xi Cheng, Suokun Shang, Runze Pan, Miao Qi, Qinqin Sang, Zhen Xie, Honghua Zhang, Ke Wang and Yanrong Liu
Catalysts 2025, 15(2), 160; https://doi.org/10.3390/catal15020160 - 9 Feb 2025
Viewed by 996
Abstract
Ammonia is a key “platform” raw chemical for fertilizers and nitrogen-containing chemicals, with a global annual production of ~180 million tons. Recently, ammonia has also come to be seen as an excellent hydrogen-containing liquid promising for long-term, large-scale hydrogen storage and transport. Therefore, [...] Read more.
Ammonia is a key “platform” raw chemical for fertilizers and nitrogen-containing chemicals, with a global annual production of ~180 million tons. Recently, ammonia has also come to be seen as an excellent hydrogen-containing liquid promising for long-term, large-scale hydrogen storage and transport. Therefore, artificial N2 fixation, an ammonia synthesis reaction, will play a pivotal role influencing food and energy for human society. Till now, industrial ammonia synthesis has relied on high temperature and high pressure (420~500 °C, 10~15 MPa). Researchers are devoted to developing new catalysts as well as optimizing the traditional Fe-based catalysts continuously. However, the relation between the catalysts’ detailed structure and ammonia production efficiency are not yet fully understood, which is crucial to provide guidance on further improving the efficacy of this importance reaction. Recently, in situ characterization techniques have achieved significant improvements and new understandings have been achieved on the central topic of catalysis. In this review, recent advances in in situ investigations of heterogeneous catalytic ammonia synthesis are summarized and the key results are discussed. In the end, a concluding remark and perspective are proposed, with the hope of inspiring future investigations dedicated to unveiling the principles of designing catalysts for ammonia synthesis. Full article
(This article belongs to the Special Issue Applications of Heterogeneous Catalysts in Green Chemistry, 2nd Edition)
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17 pages, 9669 KiB  
Review
Photocatalytic Degradation of Mycotoxins by Heterogeneous Photocatalysts
by Yawei Huang, Muyue Li and Jing Liu
Catalysts 2025, 15(2), 112; https://doi.org/10.3390/catal15020112 - 23 Jan 2025
Viewed by 822
Abstract
Mycotoxins are highly toxic secondary metabolites that can pose a serious threat to food safety, human health, and the environment. As a promising detoxification method, photocatalysis has shown great potential for mycotoxin degradation due to its high efficiency, low cost, and green advantages. [...] Read more.
Mycotoxins are highly toxic secondary metabolites that can pose a serious threat to food safety, human health, and the environment. As a promising detoxification method, photocatalysis has shown great potential for mycotoxin degradation due to its high efficiency, low cost, and green advantages. Heterogeneous photocatalysis using a semiconductor as a mediator is now regarded as an effective approach for mycotoxin degradation. The aim of this study was to review the recent developments, mainly in the photocatalytic degradation of mycotoxin (e.g., AFB1, FB1, DON, and ZEN). The principle, feasibility, and main semiconducting catalysts of mycotoxin photodegradation are introduced and discussed, including metal oxides (transition, noble, and rare earth metals), carbons (graphene, carbon nitride, and biochar) and other composites (MOFs and LDHs). This review will contribute to the development of semiconductor photocatalysts and photocatalytic degradation for mycotoxins decontamination. Full article
(This article belongs to the Special Issue Applications of Heterogeneous Catalysts in Green Chemistry, 2nd Edition)
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