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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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Advances in Enzymes for Industrial Biocatalysis

edited by

Richard C. Holz

submission deadline 20 Apr 2026 | 2 articles | Viewed by 2678 | Submission Open

Keywords: environmental biocatalysis; enzyme immobilization and stabilization; protein engineering and computational enzyme design; industrial applications; green chemistry and sustainable manufacturing; directed evolution for next generation of biocatalysts

(This special issue belongs to the Section Industrial Catalysis)

The Applications of Heterogeneous Catalysis in Energy Utilization

edited by Zhongyi Liu and Qiaoyun Liu

submission deadline 20 Apr 2026 | 1 articles | Viewed by 553 | Submission Open

Keywords: heterogeneous catalysis; design of catalysts; reaction mechanism; novel catalytic systems; catalysis technology; catalytic material

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

Medical Applications of Enzyme Biocatalysis: Current Status and Future Aspects

edited by

Feng Wang

submission deadline 20 Apr 2026 | Viewed by 293 | Submission Open

Keywords: enzyme; biocatalysis; medical applications; drug synthesis; disease diagnosis

(This special issue belongs to the Section Biocatalysis)

Catalysts from Lignocellulose to Biofuels and Bioproducts

edited by

Federico Liuzzi

and Elisabetta Borsella

submission deadline 20 Apr 2026 | 1 articles | Viewed by 185 | Submission Open

Keywords: lignocellulosic biomass; biomass pretreatment; enzymatic hydrolysis; microbial bioconversion; green catalysis; biorefinery; lignin valorization

(This special issue belongs to the Section Biomass Catalysis)

Remediation of Natural Waters by Photocatalysis

edited by

Tamara B. Ivetić

submission deadline 25 Apr 2026 | 6 articles | Viewed by 13742 | Submission Open

Keywords: photocatalysis; hybrid inorganic-organic materials; nanomaterials; green chemistry; phyto- and fungal synthesis; biological activity; chitin/chitosan; antimicrobial activity; environment monitoring and protection; harmful algal blooms; ammonia; nitrate; nitrite; phosphorus; cyanotoxins; heavy metals removal; photoreactors; wastewater treatment

(This special issue belongs to the Section Environmental Catalysis)

Advanced Catalysis Technologies Using Metal-Organic Frameworks (MOFs)

edited by

Hani Nasser Abdelhamid

submission deadline 26 Apr 2026 | 3 articles | Viewed by 2747 | Submission Open

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

(This special issue belongs to the Section Catalytic Materials)

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

edited by Parijat Borah and

Peizhou Li

submission deadline 30 Apr 2026 | 2 articles | Viewed by 2717 | 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)

15th Anniversary of Catalysts: The Future of Enzyme Biocatalysis

edited by

Evangelos Topakas

Juan M. Bolivar

and

Chia-Hung Kuo

submission deadline 30 Apr 2026 | 2 articles | Viewed by 1761 | Submission Open

Keywords: machine‑learning enzyme design; photobiocatalysis; immobilized enzymes and flow bioprocesses; directed evolution and computational enzyme engineering; biocatalysis in sustainable chemical production; emerging enzyme classes and non‑natural transformations

Catalytic Transformation of Biomass: From Waste to Fuels, Chemicals and High-Value Products

edited by

Qiangu Yan

submission deadline 30 Apr 2026 | 2 articles | Viewed by 1647 | Submission Open

Keywords: biomass; fuels; chemicals; high value products; catalytic transformation

(This special issue belongs to the Section Biomass Catalysis)

Advanced Metal Oxide Semiconductors for Photocatalytic and Photoelectrocatalytic Solar Energy Conversion

edited by

Yongbo Kuang

submission deadline 30 Apr 2026 | 1 articles | Viewed by 1327 | Submission Open

Keywords: metal oxide semiconductors; photocatalysis; photoelectrocatalysis; solar energy; water splitting; CO2 reduction; organic pollutant degradation

(This special issue belongs to the Section Photocatalysis)

Biocatalysts in Biodegradation and Bioremediation

edited by

Young-Cheol Chang

and

Omprakash Sarkar

submission deadline 30 Apr 2026 | 1 articles | Viewed by 1210 | Submission Open

Keywords: biodegradation; bioremediation; biocatalysts in biodegradation; genetic engineering for bioremediation; enzymatic remediation; environmental pollutants; plastic biodegradation; xenobiotics degradation; heavy metal bioremediation; plant-assisted bioremediation

(This special issue belongs to the Section Biocatalysis)

Advanced Photo/Electrocatalysts for Environmental Purification

edited by

Sai Zhang

submission deadline 30 Apr 2026 | 1 articles | Viewed by 1085 | Submission Open

Keywords: photocatalysts; electrocatalysis; environmental purification; nanomaterials; sustainable energy; pollution control

(This special issue belongs to the Section Environmental Catalysis)

Recent Advances in Nanostructured Catalysts for Hydrogen Production

edited by

Wasim Ullah Khan

submission deadline 30 Apr 2026 | 1 articles | Viewed by 986 | Submission Open

Keywords: hydrogen; net-zero carbon footprint; climate change; water electrolysis; biomass; ammonia splitting; methane splitting; thermolysis; heterogeneous catalysts; circular economy

(This special issue belongs to the Section Industrial Catalysis)

Photocatalytic Strategies for Sustainable Wastewater Remediation and Energy Generation

edited by

Emmanuel Kweinor Tetteh

Sudesh Rathilal

, Ifeanyi Michael Smarte Anekwe and Sherif Ishola Mustapha

submission deadline 30 Apr 2026 | 1 articles | Viewed by 770 | Submission Open

Keywords: catalysis; metal– organic framework; semiconductors; nanotechnology; water splitting; photocatalysis; green hydrogen; renewable energy

(This special issue belongs to the Section Photocatalysis)

15th Anniversary of Catalysts—Catalysis for Biomass Conversion and Valorisation

edited by

Sergio Nogales Delgado

and

Changwei Hu

submission deadline 30 Apr 2026 | 1 articles | Viewed by 674 | Submission Open

Keywords: biomass conversion; waste valorization; catalyst stability; deactivation; catalyst activity and selectivity; reusability; environmentally friendly; LCA; cost-effectiveness

(This special issue belongs to the Section Biomass Catalysis)

Sustainable Metal Catalysts for Energy, Environment and Generation of High-Value Products, 2nd Edition

edited by

Sebastiano Campisi

Melissa Greta Galloni

and

Weidong Zhang

submission deadline 30 Apr 2026 | 1 articles | Viewed by 434 | Submission Open

Keywords: catalysis; metal catalysts; photocatalysis; electrocatalysis; energy production; life cycle; sustainability; environmental remediation

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

Advances in Photocatalytic Degradation, 2nd Edition

edited by Socorro Oros-Ruiz,

Juan Carlos Durán-Álvarez

and

Esmeralda Mendoza

submission deadline 30 Apr 2026 | 1 articles | Viewed by 370 | Submission Open

Keywords: photocatalysis; composite materials; wastewater treatment; organic pollutants; dyes degradation; photocatalytic hydrogen production; emerging water contaminants; indoor air quality; urban air quality; life cycle analysis

(This special issue belongs to the Section Photocatalysis)

Sustainable Catalytic Processes for the Conversion of Lignocellulosic Biomass

edited by

Anatoly A. Shatalov

submission deadline 30 Apr 2026 | Viewed by 303 | Submission Open

Keywords: lignocellulosic biomass; catalytic biorefinery; catalytic conversion; homogeneous catalysis; heterogeneous catalysis; fractionation; upgrading; oxidation; hydrolysis; chemical modification; synthesis

(This special issue belongs to the Section Biomass Catalysis)

Catalytic Upgrading of Glycerol: Toward Sustainable and High-Value Products

edited by

Francisco Pompeo

and Martin Gatti

submission deadline 30 Apr 2026 | Viewed by 167 | Submission Open

Keywords: biomass-derived feedstocks; catalytic conversion; bifunctional catalysts; biorefinery; catalyst characterization; value-added chemicals; green chemistry; techno-economic analysis; process intensification

(This special issue belongs to the Section Industrial Catalysis)

Catalytic Applications of Nanomaterials in Air Pollutant Degradation

edited by Qi Zhang

submission deadline 30 Apr 2026 | Viewed by 150 | Submission Open

Keywords: nanomaterials; catalysis; air pollutants; volatile organic compounds (VOCs); nitrogen oxides (NOx); particulate matter

(This special issue belongs to the Section Environmental Catalysis)

Computational and Experimental Advances in Photocatalysis

edited by

Felipe de Almeida La Porta

submission deadline 30 Apr 2026 | Viewed by 150 | Submission Open

Keywords: photocatalysis; photocatalyst design; computational modeling; charge carrier dynamics; reaction mechanisms; quantum dots; hydrogen production

(This special issue belongs to the Section Photocatalysis)

Engineering of Large-Area Photocatalytic and Photoelectrocatalytic Devices: From Materials to "Artificial Leaf" Systems

edited by

Yongbo Kuang

submission deadline 30 Apr 2026 | Viewed by 145 | Submission Open

Keywords: photocatalysis; photoelectrocatalysis; solar fuels; artificial leaf; artificial photosynthesis; scale-up; large-area devices; device engineering

(This special issue belongs to the Section Photocatalysis)

Advanced Catalytic Materials for Greener Production of Chemicals, Biofuels, and Solar Fuels

edited by

Katarzyna Morawa Eblagon

and Eliana Sousa Da Silva

submission deadline 30 Apr 2026 | Viewed by 123 | Submission Open

Keywords: biomass; heterogeneous catalysts; biofuels; solar fuels; platform chemicals

(This special issue belongs to the Section Biomass Catalysis)

Single-Atom Catalysts for Green Energy Conversions

edited by

Ligang Wang

and

Feng Hu

submission deadline 30 Apr 2026 | Viewed by 101 | Submission Open

Keywords: single-atom catalysts; energy catalytic conversion; electro/photocatalytic; advanced ex/in situ characterization; thermal catalytic conversion

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

Transition Metal Catalysis: Bridging Innovation and Sustainability

edited by

Jun Yang

submission deadline 30 Apr 2026 | Viewed by 76 | Submission Open

Keywords: homogeneous catalysis; heterogeneous catalysis; transition metal catalysis; copper; palladium; gold; green chemistry; transition metal nanoparticles; organometallic chemistry; metal-mediated synthesis; metal– organic frameworks; sustainable chemistry; green synthesis; renewable energy; catalytic mechanisms; theoretical analysis

(This special issue belongs to the Section Catalytic Materials)

Biomass and Derived Molecules Valorization via Advanced Heterogenesous Catalysis

edited by

Xingguang Zhang

submission deadline 1 May 2026 | Viewed by 51 | Submission Open

Keywords: cellulose; lignocellulose; and bio-derived compounds upgrading; clean chemicals synthesis via selective catalytic conversions; heterogeneous catalyst design; characterization; and evaluation; valorization of lignin into chemicals and fuels

(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 8 May 2026 | Viewed by 254 | 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)

Catalytic Strategies for Sustainable Water Splitting

edited by

Jiefang Zhu

and Yi Zhou

submission deadline 10 May 2026 | Viewed by 110 | Submission Open

Keywords: water splitting; hydrogen evolution reaction (HER); oxygen evolution reaction (OER); electrocatalysis; photocatalysis; photoelectrocatalysis

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

Catalysis for Hydrogen Storage and Release

edited by

Marco Martino

Giovanni Di Ilio

and Valentina Naticchioni

submission deadline 15 May 2026 | 6 articles | Viewed by 11947 | Submission Open

Keywords: hydrogen; fuel cell; water splitting; MOF; LHOC; biofuel; reforming; hydrogasification; metal hydrides

(This special issue belongs to the Section Industrial Catalysis)

Advanced Catalysis for Energy and a Sustainable Environment

edited by

Khursheed B. Ansari

submission deadline 15 May 2026 | 6 articles | Viewed by 7303 | Submission Open

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

Catalytic Removal of Volatile Organic Compounds (VOCs)

edited by

Ralitsa Georgieva

and

Anton Naydenov

submission deadline 15 May 2026 | 6 articles | Viewed by 6283 | Submission Open

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

(This special issue belongs to the Section Environmental Catalysis)

Tailored Nanosystems and Nanocatalysts for Photo-/Electrocatalytic Applications, 3rd Edition

edited by

Liangliang Feng

and

Yipu Liu

submission deadline 15 May 2026 | 1 articles | Viewed by 500 | Submission Open

Keywords: photo-/electrochemistry; water splitting; fuel cell; nitrogen reduction reaction; CO2 reduction reaction; photocatalytic degradation; gas sensor; nanomaterials

(This special issue belongs to the Section Catalytic Materials)

Integrated Catalytic Strategies for Water Remediation and Renewable Energy Production: From Novel Mechanisms to Practical Concepts

edited by

Mostafa Ghasemi Baboli

submission deadline 15 May 2026 | Viewed by 212 | Submission Open

Keywords: catalyst; membrane; renewable energy; fuel cell; membrane; biocatalyst; wastewater

(This special issue belongs to the Section Environmental Catalysis)

Biochar-Based Materials Applied in Advanced and Sustainable (Photo)Catalysis Processes

edited by Jelena Beljin and

Nina L. Finčur

submission deadline 15 May 2026 | Viewed by 121 | Submission Open

Keywords: biochar; (photo)catalysis; sustainability; environmental protection; advanced oxidation technology; nanomaterials; organic pollutants

(This special issue belongs to the Section Biomass Catalysis)

Smart Catalysis: Evolution, Present State and Future Horizons

edited by

Nina Kaneva

submission deadline 15 May 2026 | Viewed by 111 | Submission Open

Keywords: ecology design; smart catalysts; evolution; future horizons

(This special issue belongs to the Section Catalytic Materials)

Catalytic Materials in Wastewater Treatment

edited by

Guilong Peng

submission deadline 15 May 2026 | Viewed by 86 | Submission Open

Keywords: catalytic wastewater treatment; advanced oxidation; single-atom catalysts; MOFs; persulfate activation; resource recovery

(This special issue belongs to the Section Environmental Catalysis)

Catalysis: The Key to Valorizing Crude Glycerol

edited by

Salete Balula

and

Márcio José da Silva

submission deadline 20 May 2026 | 2 articles | Viewed by 2911 | Submission Open

Keywords: crude glycerol; biodiesel production; sustainable catalytic processes; purification methodologies; effective glycerol usage; catalytic esterification; catalytic etherification; catalytic acetalization; catalytic oxidation; deep eutectic solvents

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

Recent Development of Heterogeneous Catalysts for Wastewater Treatment

edited by Qunpeng Cheng and Cuixia Liu

submission deadline 20 May 2026 | 2 articles | Viewed by 2118 | Submission Open

Keywords: wastewater; catalyst; bioenergy; pollutant; treatment

(This special issue belongs to the Section Environmental Catalysis)

Sustainable Catalysis in Fine Chemicals, Pharmaceuticals and Biomass Valorization

edited by

Gustavo Pablo Romanelli

and

José J. Martínez

submission deadline 30 May 2026 | 2 articles | Viewed by 2747 | Submission Open

Keywords: acid catalysts; biomass valorization; pharmaceuticals; heteropolyacids; sulphonated solids; zeolites; fine chemicals

(This special issue belongs to the Section Biomass Catalysis)

Catalytic Materials in Electrochemical and Fuel Cells

edited by

Yan Xie

and

Huiyuan Liu

submission deadline 31 May 2026 | 3 articles | Viewed by 2167 | Submission Open

Keywords: oxygen reduction reaction (ORR); hydrogen oxidation reaction (HOR); oxygen evolution reaction (OER); hydrogen evolution reaction (HER); carbon-based materials

(This special issue belongs to the Section Electrocatalysis)

Recent Advances in Photo/Electrocatalytic CO₂ Reduction

edited by Zhi Zhu

submission deadline 31 May 2026 | 2 articles | Viewed by 1471 | Submission Open

Keywords: photocatalysis; electrocatalysis; photo/electrocatalysis; CO2 reduction; carbon neutrality; catalyst design; reaction mechanism

(This special issue belongs to the Section Environmental Catalysis)

Plasma Catalysis for Environmental Pollution Remediation

edited by

He Guo

submission deadline 31 May 2026 | 1 articles | Viewed by 1171 | Submission Open

Keywords: non-thermal plasma; plasma catalysis; catalyst design; environmental remediation; advanced oxidation processes

(This special issue belongs to the Section Environmental Catalysis)

Next-Generation Catalytic Solutions for Water Purification and Wastewater Remediation

edited by

Motasem Alazaiza

submission deadline 31 May 2026 | 2 articles | Viewed by 1084 | Submission Open

Keywords: water purification; wastewater remediation; catalytic materials; advanced oxidation processes; photocatalysis; electrocatalysis; nanomaterials; environmental catalysis; sustainable water treatment; emerging contaminants; catalyst stability; green chemistry; water quality improvement; catalytic degradation; environmental sustainability

(This special issue belongs to the Section Environmental Catalysis)

From Catalyst Design to Sustainable Catalytic Processes: Advances in Reactor Engineering

edited by

Carlos Omar Castillo Araiza

Abhishek Dutta

José Antonio Colín-Luna

and

Margarita M. González-Brambila

submission deadline 31 May 2026 | 1 articles | Viewed by 1076 | Submission Open

Keywords: catalysis; catalytic reactor engineering; food engineering; chemical engineering; biochemical engineering; multiscale-based modeling

(This special issue belongs to the Section Catalytic Reaction Engineering)

Heterogeneous Catalysis for CO₂ Purification and Capture

edited by Enrique José Sanchis and

Francisco José Arnau

submission deadline 31 May 2026 | 1 articles | Viewed by 469 | Submission Open

Keywords: CO2 capture; heterogeneous catalysis; chemical looping; sorption-enhanced processes; phase-change solvents; catalytic materials; process integration and scale-up

Catalysts and Plastics: From Degradation to Functional Applications

edited by

Xiaoli Zhou

and

Jing Ding

submission deadline 31 May 2026 | Viewed by 245 | Submission Open

Keywords: plastic degradation; chemical recycling; catalysis design; high-value products synthesis; tandem catalysis; catalysis mechanism

(This special issue belongs to the Section Environmental Catalysis)

Advances in Enzyme Engineering and Application for Industrial Biocatalysis

edited by Katja S. Johansen and Kristian B.R.M. Krogh

submission deadline 31 May 2026 | Viewed by 161 | Submission Open

Keywords: enzyme discovery; process optimization; screening assays; enzyme resilience

(This special issue belongs to the Section Biocatalysis)

Catalytic Mechanisms of Nanomaterials in Energy and Environmental Applications

edited by

Fernanda Fontana Roman

Adriano Silva

and

Helder T. Gomes

submission deadline 31 May 2026 | Viewed by 144 | Submission Open

Keywords: nanotubes; nanostructured materials; hybrid nanomaterials; quantum dots; metal nanoparticles; inorganic nanomaterials; organic nanomaterials; nanowires; nanocarbon; graphene; catalysis; energy conversion and storage; nanotechnology; novel synthesis; sensors

(This special issue belongs to the Section Environmental Catalysis)