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Catalysts publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Integration of Machine Learning and Modeling in Catalysis

edited by Yinjuan Chen

submission deadline 31 Oct 2025 | Viewed by 198 | Submission Open

Keywords: machine learning; data availability and quality; solid-state electrolyte; interpretable mode; diversity of materials and multiscale issues limited data base; materials design

(This special issue belongs to the Section Computational Catalysis)

Catalytic Conversion of Renewable Carbon Sources

edited by Isaac Tyrone Ghampson,

Élodie Blanco

and

Gwang-Nam Yun

submission deadline 31 Oct 2025 | Viewed by 95 | Submission Open

Keywords: biomass conversion and upgrading; catalytic valorization; hydrodeoxygenation; hydrogenation; oxidation; bio-oil and biofuels; value-added chemicals; supported catalysts; bimetallic systems; catalyst design strategies and catalyst development

(This special issue belongs to the Section Catalysis for Sustainable Energy)

Exclusive Papers of the Editorial Board Members (EBMs) in the Section "Biocatalysis"

edited by

Evangelos Topakas

submission deadline 31 Oct 2025 | Viewed by 82 | Submission Open

Keywords: biocatalyst immobilization; biocatalytic cascade reactions; bioelectrochemistry; biotransformations; cell factory; chemo-biocatalytic processes; computational biocatalysis; design of biocatalytic processes; environmental biocatalysis; enzymatic polymerization and polymer modification; enzyme formulation; flow biocatalysis; industrial biocatalysis; metabolic engineering; novel enzymes; protein engineering; reaction engineering in biocatalytic systems

(This special issue belongs to the Section Biocatalysis)

Advances in MOF/COF Catalysis: Tailored Structures for Enhanced Performance

edited by Parijat Borah and

Peizhou Li

submission deadline 31 Oct 2025 | Viewed by 75 | Submission Open

Keywords: MOF catalysts; COF catalysts; photocatalysis; electrocatalysis; thermocatalysis; hybrid materials; porous materials; framework materials; heterogeneous catalysts

(This special issue belongs to the Section Catalytic Materials)

Catalytic Conversion of Biomass to Chemicals, 2nd Edition

edited by

Xiaofeng Wang

submission deadline 31 Oct 2025 | Viewed by 70 | Submission Open

Keywords: biomass conversion; hydrogenation; nanostructured catalysts; biomass derivatives; oxidation

(This special issue belongs to the Section Biomass Catalysis)

Catalytic Strategies for Plastics Waste Recycling and Upcycling

edited by

Ana Cristina Silva Fernandes

submission deadline 31 Oct 2025 | Viewed by 70 | Submission Open

Keywords: plastic recycling; plastic upcycling; upcycled products; closed-loop recycling; plastic waste-to-energy; circular economy

(This special issue belongs to the Section Biomass Catalysis)

Recent Advances in Energy-Related Materials in Catalysts, 3rd Edition

edited by

Loreta Tamasauskaite-Tamasiunaite

and

Virginija Kepeniene

submission deadline 31 Oct 2025 | Viewed by 67 | Submission Open

Keywords: electrocatalysts; synthesis; electro-oxidation of fuels; fuel cells; batteries; electrocatalysis; oxygen reduction and evolution; hydrogen evolution; carbon monoxide oxidation; carbon dioxide conversion

(This special issue belongs to the Section Catalytic Materials)

Innovative Catalytic Approaches in Polymerization

edited by

Kotohiro Nomura

submission deadline 31 Oct 2025 | Viewed by 62 | Submission Open

Keywords: olefin polymerization; ring-opening polymerization; metathesis polymerization/depolymerization; organometallics; homogeneous catalysts; heterogeneous catalysts; chemical recycling; upcycling

(This special issue belongs to the Section Catalysis in Organic and Polymer Chemistry)

Advanced Electrocatalysts for Sustainable Ammonia Synthesis

edited by Jeonghoon Lim

submission deadline 31 Oct 2025 | Viewed by 61 | Submission Open

Keywords: electrochemical ammonia synthesis; nitrogen reduction reaction; nitrate reduction reaction; electrocatalysts; membrane electrode assembly (MEA); sustainable nitrogen conversion

(This special issue belongs to the Section Electrocatalysis)

Plasma Catalysis: Status and Challenges

edited by

Yudong Li

submission deadline 31 Oct 2025 | Viewed by 53 | Submission Open

Keywords: plasma catalysis; non-thermal plasma; volatile organic compounds (VOCs); ammonia synthesis; environment and energy

(This special issue belongs to the Section Electrocatalysis)

Advanced Catalysis for Energy and a Sustainable Environment

edited by

Khursheed B. Ansari

submission deadline 31 Oct 2025 | Viewed by 42 | Submission Open

Keywords: sustainable energy; environmental remediation; advanced catalytic materials; biomass conversion; CO2 conversion; wastewater treatment; catalyst sustainability (durability/recyclability)

Novel Advancements Towards Nanocomposite Synthesis and Their Potential Application in Photocatalysis, 2nd Edition

edited by

Khalid Umar

Waseem Raza

Sadiq Umar

and

Showkat Ahmad Bhawani

submission deadline 31 Oct 2025 | Viewed by 37 | Submission Open

Keywords: green synthesis of nanomaterials; interfaced/doped nanocomposites; potential applications of nanoparticles; nanoparticles surface functionalization.

(This special issue belongs to the Section Photocatalysis)

New Insights into Catalysis for Biomass Utilization

edited by

Xin Jin

submission deadline 31 Oct 2025 | Viewed by 33 | Submission Open

Keywords: biomass conversion; heterogeneous catalysis; biorefinery; green chemistry; renewable energy; catalytic mechanisms; sustainable processes

(This special issue belongs to the Section Biomass Catalysis)

Photocatalyst Design for H₂O₂ Production and Biomass Conversion

edited by

Jianhao Qiu

submission deadline 31 Oct 2025 | Viewed by 32 | Submission Open

Keywords: photocatalyst design; H2O2 production; biomass conversion; environmental remediation; sustainable chemistry; renewable energy; green synthesis; photocatalytic mechanism; defect engineering; heterojunction formation; two-electron oxygen reduction reaction (2e⁻ ORR); water oxidation reaction (WOR); lignin depolymerization

(This special issue belongs to the Section Catalytic Materials)

Biochar-Based Materials for Catalysis and Sustainable Environmental Applications

edited by

Mohamed Zbair

submission deadline 31 Oct 2025 | Viewed by 29 | Submission Open

Keywords: biochar; catalysis; environmental remediation; sustainable materials; CO2 capture; wastewater treatment; green chemistry; life-cycle assessment

(This special issue belongs to the Section Biomass Catalysis)

Feature Review Papers in Electrocatalysis

edited by

Vincenzo Baglio

submission deadline 10 Nov 2025 | 6 articles | Viewed by 11584 | Submission Open

Keywords: polymer electrolyte fuel cells; direct alcohol fuel cells; water electrolysis; metal– air batteries; dye-sensitized solar cells; photo-electrolysis; carbon dioxide electro-reduction

(This special issue belongs to the Section Electrocatalysis)

Non-Novel Metal Electrocatalytic Materials for Clean Energy

edited by

Xiang Wu

submission deadline 10 Nov 2025 | 3 articles | Viewed by 4191 | Submission Open

Keywords: electrocatalysis; hydrogen evolution reaction; oxygen evolution reaction; catalysis mechanisms; overall water splitting

(This special issue belongs to the Section Electrocatalysis)

Predictive Modeling in Catalysis

edited by Zisheng Zhang

submission deadline 10 Nov 2025 | Viewed by 57 | Submission Open

Keywords: catalysis; computational catalysis; realistic modeling; multi-scale modeling; surface reconstruction; reaction kinetics; machine learning; surface science

(This special issue belongs to the Section Computational Catalysis)

Cutting-Edge Catalytic Strategies for Organic Pollutant Mitigation

edited by

Nina Kaneva

submission deadline 15 Nov 2025 | 2 articles | Viewed by 1773 | Submission Open

Keywords: heterogeneous catalysis; homogeneous catalysis; emerging catalytic technologies; electrochemical catalysis organic pollutant removal

(This special issue belongs to the Section Environmental Catalysis)

Modeling and Simulation of Next-Generation Catalytic Materials for Energy and Environment Applications

edited by

Houyu Zhu

and Lianming Zhao

submission deadline 15 Nov 2025 | 2 articles | Viewed by 1109 | Submission Open

Keywords: computational catalysis; metal catalysts; metal oxides; composite catalysts; zeolites; molecular sieves; carbon-based catalysts; biocatalysts; photocatalysts

(This special issue belongs to the Section Computational Catalysis)

Catalytic Removal of Volatile Organic Compounds (VOCs)

edited by

Ralitsa Georgieva

and

Anton Naydenov

submission deadline 15 Nov 2025 | 2 articles | Viewed by 986 | Submission Open

Keywords: catalytic combustion; VOCs; noble metals; transition metal oxides; catalysts

(This special issue belongs to the Section Environmental Catalysis)

Environmental Biocatalysis: From Remediation to Waste Valorization, 2nd Edition

edited by

Jasmina Nikodinović-Runić

and

Evangelos Topakas

submission deadline 15 Nov 2025 | Viewed by 51 | Submission Open

Keywords: biocatalysis; waste valorization; bioremediation; enzyme biocatalysis; whole-cell biocatalysis; persistent organic pollutants; detoxification; high-added value compounds; protein engineering; green chemistry

(This special issue belongs to the Section Biocatalysis)

Advanced Catalysis Technologies Using Metal-Organic Frameworks (MOFs)

edited by

Hani Nasser Abdelhamid

submission deadline 15 Nov 2025 | Viewed by 32 | Submission Open

Keywords: reticular chemistry; Metal– Organic Frameworks; catalysis; electrocatalysis; photocatalysis; nanozymes

(This special issue belongs to the Section Catalytic Materials)

Nanoparticles for Photocatalytic Water and Air Remediation

edited by

Didier Robert

submission deadline 20 Nov 2025 | Viewed by 53 | Submission Open

Keywords: nanophotocatalyst; photocatalyst; water treatment; semiconductor; environmental remediation; advanced oxidation technology; heterogeneous catalysis

(This special issue belongs to the Section Photocatalysis)

Homogeneous and Heterogeneous Catalytic Oxidation and Reduction

edited by

Weiwei Wang

, Xiaxi Yao and Wei Chen

submission deadline 30 Nov 2025 | 4 articles | Viewed by 7155 | Submission Open

Keywords: catalytic oxidation; catalytic reduction; Fenton; Fenton-like; enzyme-like catalysis; photocatalysis; sonocatalysis; electrocatalysis; piezoelectric catalysis; co-catalysis

(This special issue belongs to the Section Catalytic Materials)

Recent Catalysts for Organic Synthesis

edited by

Lianghua Zou

and

Zhibing Dong

submission deadline 30 Nov 2025 | 6 articles | Viewed by 4842 | Submission Open

Keywords: catalytic reactions; metal catalysis; organocatalysis; synthetic methodologies

(This special issue belongs to the Section Catalysis in Organic and Polymer Chemistry)

Current Status and Future Aspects of Bimetallic and Trimetallic Catalysts

edited by

Concetta Ruocco

and

Olga Muccioli

submission deadline 30 Nov 2025 | 2 articles | Viewed by 3292 | Submission Open

Keywords: bimetallic catalysts; trimetallic catalysts; nanomaterials; sustainable processes; reforming; hydrodesulfurization; de/hydrogenation; aromatization; polymerization; electrochemical reactions

(This special issue belongs to the Section Industrial Catalysis)

Glucose Production from Biomass–Kinetics, Thermodynamics and Catalysis

edited by

Michael Renz

Indra Neel Pulidindi

Santhosh Kumar Koppula

Pankaj Sharma

Vaishali Suthar

and

Aharon Gedanken

submission deadline 30 Nov 2025 | 2 articles | Viewed by 2855 | Submission Open

Keywords: glucose; biomass; fractionation; cellulose; hemicellulose; lignin; solid acid; catalyst; kinetics; thermodynamics; catalysis

(This special issue belongs to the Section Biomass Catalysis)

The Design of Protein-Based Catalysts

edited by

Jennifer Noro

submission deadline 30 Nov 2025 | 2 articles | Viewed by 2196 | Submission Open

Keywords: proteins; enzymes; biocatalysis; protein modification; sustainable and green synthesis

(This special issue belongs to the Section Biocatalysis)

Advances in Enhancement of Catalytic Performance for Wastewater Treatment

edited by

Longjun Xu

and Qi Feng

submission deadline 30 Nov 2025 | 3 articles | Viewed by 2116 | Submission Open

Keywords: catalytic processes; advanced oxidation processes; wastewater treatment; toxic-refractory wastewaters; synthesis of catalysts; reaction kinetics and mechanisms; identification of intermediates; low-cost catalysts; stability of heterogeneous catalysts

(This special issue belongs to the Section Environmental Catalysis)

Feature Papers in Catalysis for Pharmaceuticals

edited by

Andres Alcantara

Teodora Bavaro

and

Jesús Fernandez Lucas

submission deadline 30 Nov 2025 | 1 articles | Viewed by 1723 | Submission Open

Keywords: catalysis; pharmaceuticals; bioactive compounds; selectivity; green chemistry

(This special issue belongs to the Section Catalysis for Pharmaceuticals)

CO₂ Catalytic Valorization and Utilization

edited by Huancong Shi

submission deadline 30 Nov 2025 | 1 articles | Viewed by 260 | Submission Open

Keywords: CO2 catalytic valorization; CO2 catalytic utilization; CO2 catalytic conversion; CO2 capture; CO2 absorption; CO2 desorption; decarbonization

(This special issue belongs to the Section Environmental Catalysis)

Nanocatalysts for Contaminant Degradation

edited by Yang Guo, Dandan Xu, Yueshuang Mao and

Qin Shi

submission deadline 30 Nov 2025 | Viewed by 140 | Submission Open

Keywords: nanocatalysts; contaminant degradation; environmental remediation; organic pollutants; heavy metals; synthesis and characterization; water treatment; environmental science and technology

(This special issue belongs to the Section Nanostructured Catalysts)

Advanced Catalysis in Water Purification: Organics and Heavy Metals Removal

edited by Xiaoliang Li and Yajun Ji

submission deadline 30 Nov 2025 | Viewed by 72 | Submission Open

Keywords: advanced oxidation process; photocatalysis; electrocatalysis; water purification; organic pollutant; heavy metal

(This special issue belongs to the Section Environmental Catalysis)

Catalytic Processes for Environmental Remediation and Resource Recycling

edited by

Ning Li

submission deadline 30 Nov 2025 | Viewed by 70 | Submission Open

Keywords: novel/green catalysts; single-atom catalysts; clusters; biochar-based or multi-metal-based catalysts; discovery of new catalytic mechanisms; optimization of catalytic processes for practical applications; application of artificial intelligence in catalytic processes; carbon capture and utilization; environmental remediation; resource recycling

(This special issue belongs to the Section Environmental Catalysis)

State-of-the-Art Enzyme Engineering and Biocatalysis in Europe

edited by

Teodora Bavaro

and

Marina S. Robescu

submission deadline 30 Nov 2025 | Viewed by 66 | Submission Open

Keywords: enzyme engineering; biocatalysis; directed evolution; enzyme immobilization; multi-enzyme cascade reactions; bioprocess engineering; chemoenzymatic synthesis

(This special issue belongs to the Section Biocatalysis)

Catalytic Conversion of CO₂ or CO

edited by

Yaru Zhang

and

Tifeng Jiao

submission deadline 30 Nov 2025 | Viewed by 55 | Submission Open

Keywords: CO2 conversion and utilization; CO conversion; heterogeneous catalysis; novel catalysts; reaction mechanism

(This special issue belongs to the Section Environmental Catalysis)

Electrocatalysts for Environmental Remediation and Energy Conversion

edited by

Yunqing Zhu

submission deadline 30 Nov 2025 | Viewed by 39 | Submission Open

Keywords: electrocatalysts; environmental remediation; energy conversion; sustainable technologies; water treatment; air purification; pollutant degradation; fuel cells; electrolyzers; metal– air batteries; oxygen reduction reaction (ORR); oxygen evolution reaction (OER)

(This special issue belongs to the Section Environmental Catalysis)

Nanomaterial Catalysts for Wastewater Treatments

edited by Kaijie Yang and

Tingting Pan

submission deadline 30 Nov 2025 | Viewed by 33 | Submission Open

Keywords: nanocatalysts; wastewater treatment; photocatalysis; electrocatalysis; environmental nanotechnology; water purification

(This special issue belongs to the Section Environmental Catalysis)

Recent Advances in Catalysis in Organic and Polymer Chemistry: Innovations from Japan

edited by

and

submission deadline 30 Nov 2025 | Viewed by 32 | Submission Open

Keywords: molecular catalysis; heterogeneous catalysis; organocatalysts; fine chemicals; polymers; sustainable methods; sustainable materials; green process

(This special issue belongs to the Section Catalysis in Organic and Polymer Chemistry)

Emerging Topics in Catalytic Reactions: From Catalyst Preparation to Application in Diverse Fields

edited by

and

submission deadline 30 Nov 2025 | Viewed by 31 | Submission Open

Keywords: photocatalysis; organic synthesis; photothermal reactions; enzyme mimic catalysis; synthetic methodology; homogeneous catalysis; heterogeneous catalysis; electrocatalysis; cooperative catalysis; gas conversion; nanoenzymes; food processing

Catalysis for Solid Waste Upcycling: Challenges and Opportunities

edited by

Yao He

, Kai Li and Junyan Zhang

submission deadline 30 Nov 2025 | Viewed by 31 | Submission Open

Keywords: solid waste; biomass; catalytic conversion; value-added utilization

(This special issue belongs to the Section Biomass Catalysis)

Catalytic Conversion of Small Molecules for Energy and Environmental Sustainability

edited by Minghua Qiao

submission deadline 30 Nov 2025 | Viewed by 28 | Submission Open

Keywords: small-molecule catalytic conversion; oxygen activation; CO2 utilization; light hydrocarbon valorization; selective oxidation/reduction; sustainable fuels and chemicals

Design and Application of Photoredox Catalysts

edited by

Cláudia Gomes Silva

Maria José Fernandes Sampaio

and Joana C. Lopes

submission deadline 30 Nov 2025 | Viewed by 25 | Submission Open

Keywords: photocatalysis; catalyst design; photoredox chemistry; environmental remediation; energy conversion

(This special issue belongs to the Section Photocatalysis)

Advanced Functional Two-Dimensional, Layered and Hybrid Composite Materials for Catalytic Applications

edited by

Khursheed Ahmad

submission deadline 30 Nov 2025 | Viewed by 21 | Submission Open

Keywords: advanced materials; photocatalysis; electrocatalysis; catalyst; oxygen/hydrogen evolution reactions; hydrogen production; electrode modifier; electrode materials

(This special issue belongs to the Section Industrial Catalysis)

Catalysts for Biomass Conversions and Hydrogen Productions

edited by Hua Song

submission deadline 30 Nov 2025 | Viewed by 20 | Submission Open

Keywords: biomass conversion; hydrogen production; catalysts; renewable energy; sustainability

(This special issue belongs to the Section Biomass Catalysis)

Catalytic Conversion of Carbohydrates into Platform Chemicals

edited by

Charles Xu

and Dan Wu

submission deadline 30 Nov 2025 | Viewed by 13 | Submission Open

Keywords: carbohydrate conversion; biomass valorization; catalytic conversion; platform chemicals; 5-Hydroxymethylfurfural (HMF); furfural; sustainable biorefining; carbon neutrality; heterogeneous catalysis

(This special issue belongs to the Section Biomass Catalysis)

Advances in Catalytic Conversion of Lignocellulose Refining

edited by Daming Gao,