Special Issues

Processes 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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Recent Advances in AI-Assisted Power Systems
edited by and Tian Li
submission deadline 30 Apr 2026 | Viewed by 71 | Submission Open
Keywords: artificial intelligence; power systems; machine learning; smart grid; energy forecasting; distributed energy resources
(This special issue belongs to the Section Energy Systems)
Advanced Combustion and Energy Conversion Technologies for Next-Generation Powertrains submission deadline 30 Apr 2026 | Viewed by 69 | Submission Open
Keywords: advanced internal combustion engine techniques; hybrid electric vehicle; battery management and recharging systems; fuel cell electric vehicle; advanced energy conversion technology; advanced combustion technology; hydrogen energy
(This special issue belongs to the Section Energy Systems)
Advances in CO2 Geological Storage and Enhanced Energy Recovery: Modeling, Monitoring, and Sustainability
edited by and Kai Zhang
submission deadline 30 Apr 2026 | Viewed by 66 | Submission Open
Keywords: CO2 geological storage; enhanced energy recovery; modeling; monitoring; sustainability
(This special issue belongs to the Section Energy Systems)
Advances in Biomass Fuel: Production, Upgrading, and Applications
edited by Xiangping Li
submission deadline 30 Apr 2026 | Viewed by 65 | Submission Open
Keywords: bio-oils; renewable energy; pyrolysis; upgrading; sustainability; carbon neutrality
(This special issue belongs to the Section Energy Systems)
Multiscale Modelling and Optimisation of Underground Hydrogen Storage and CO2 Sequestration Systems
edited by Seyed Mohammad Shariatipour and Amir Jahanbakhsh
submission deadline 30 Apr 2026 | Viewed by 62 | Submission Open
Keywords: underground hydrogen storage; CO2 sequestration; reactive transport; uncertainty quantification; optimisation; digital twins; monitoring and verification
(This special issue belongs to the Section Energy Systems)
Green Adsorbents for Water Purification
edited by Aleksandar A. Bojić, and
submission deadline 30 Apr 2026 | Viewed by 56 | Submission Open
Keywords: water purification; sorption; (bio)sorbents; pollutant removal; synthesis; kinetics; thermodynamics; sorption mechanism
(This special issue belongs to the Section Sustainable Processes)
Porous Materials and Functional Membranes: Design, Fabrication, and Liquid Separation Performance
edited by Ting Chen
submission deadline 30 Apr 2026 | Viewed by 47 | Submission Open
Keywords: porous materials; functional membranes; liquid separation; metal-organic frameworks; covalent organic frameworks; porous organic polymers; metal-organic cages; porous organic cages; organic solvent nanofiltration; desalination
(This special issue belongs to the Section Chemical Processes and Systems)
Microbial Bioremediation of Environmental Pollution (2nd Edition)
edited by Petronela Cozma and
submission deadline 5 May 2026 | 7 articles | Viewed by 23321 | Submission Open
Keywords: persistent pollutants; detoxifying mechanisms; microbial interactions; microbial-based technologies; environmental pollution; sustainable technologies
(This special issue belongs to the Section Environmental and Green Processes)
Advances in the Design, Analysis and Evaluation of Functional Foods
edited by , and Šoronja‐Simović Dragana
submission deadline 10 May 2026 | 8 articles | Viewed by 18756 | Submission Open
Keywords: functional foods; design; analysis; bioactive compounds; health benefits; processing techniques; nutritional profiling; consumer acceptance; regulatory considerations
(This special issue belongs to the Section Food Process Engineering)
Control Process, Fault Detection and Classification in Power Systems and Industrial Machinery submission deadline 10 May 2026 | 5 articles | Viewed by 10813 | Submission Open
Keywords: control; embedded systems; power systems; monitoring; signal processing; intelligent systems; image processing; fractional calculus; industrial applications; deep neural networks
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Modifications Processes of Bitumen and Asphalt Mixtures submission deadline 10 May 2026 | 2 articles | Viewed by 7655 | Submission Open
Keywords: road infrastructure; asphalt; bituminous materials; surface layer; lab testing; strength; durability; chemical properties; rheological properties; field procedures
(This special issue belongs to the Section Materials Processes)
Advances in Properties and Applications of Electrospun Fibers
edited by and
submission deadline 10 May 2026 | 1 articles | Viewed by 2686 | Submission Open
Keywords: electrospinning; nanomaterials; functional materials; advanced fabrication techniques; flexible electronics
(This special issue belongs to the Section Materials Processes)
Advanced Fracturing Technology for Oil and Gas Reservoir Stimulation (2nd Edition)
edited by Yuxuan Liu, , Jianwei Tian, and Chunming He
submission deadline 10 May 2026 | 1 articles | Viewed by 486 | Submission Open
Keywords: hydraulic fracturing; sweet spot evaluation; optimization methods; hydraulic fracture propagation; proppant transport; fracture conductivity; fracturing diagnosis; fracturing materials; fracturing equipment; advanced technology
(This special issue belongs to the Section Chemical Processes and Systems)
Bioethanol, Biohydrogen, and Biogas Production: Applications of Biorefinery
edited by
submission deadline 10 May 2026 | Viewed by 211 | Submission Open
Keywords: bioethanol; biohydrogen; biogas; bioreactors; biorefinery; photobioreactors; photobioabsorbers; photoelectrochemical biofuel cells; green gas biotechnology
(This special issue belongs to the Section Chemical Processes and Systems)
Sustainable Biorefinery Platforms for Water Treatment, Nutrient Recovery, and the Biomass Waste Valorization
edited by Joseph Sebastian Pathiyamattom, and Dulce María Arias
submission deadline 10 May 2026 | Viewed by 90 | Submission Open
Keywords: biomass; waste valorization; biorefinery concept; waste water treatment; mcroalgae; nutrient recovery; biogas
(This special issue belongs to the Section Biological Processes and Systems)
Process Engineering for Shale Reservoir Characterization and Enhanced Recovery
edited by and Le Wang
submission deadline 10 May 2026 | Viewed by 47 | Submission Open
Keywords: characterization; simulation; modeling; pore networks; fluid flow; shale; organic; phase behavior
(This special issue belongs to the Section Energy Systems)
Modeling in Mineral and Coal Processing
edited by , Dejan Tanikić and
submission deadline 12 May 2026 | 1 articles | Viewed by 321 | Submission Open
Keywords: mineral processing; coal processing; modeling; ANN; MCDM
(This special issue belongs to the Section Energy Systems)
Green Photocatalysis for a Sustainable Future
edited by Lei Cheng, Yang Li and Jian Yang
submission deadline 14 May 2026 | 2 articles | Viewed by 2586 | Submission Open
Keywords: photocatalysts; homogeneous photocatalysis; heterogeneous photocatalysis; solar energy generation; value-added chemical generation; biomass-related conversion; artificial photosynthesis
(This special issue belongs to the Section Catalysis Enhanced Processes)
Advancements in Low-Dimensional Materials: Focus on Detailed Methodologies submission deadline 15 May 2026 | 8 articles | Viewed by 11177 | Submission Open
Keywords: low-dimensional materials; quantum dot; carbon nanotube; graphene; transition-metal dichalcogenides; spintronics; valleytronics; twistronics; topological insulators; photonics
(This special issue belongs to the Section Materials Processes)
Advancements in Photovoltaic Technologies: Innovations for Enhanced Energy Conversion and Efficiency submission deadline 15 May 2026 | 4 articles | Viewed by 3083 | Submission Open
Keywords: photovoltaic energy conversion; high-efficiency solar cells; emerging PV materials; thin-film photovoltaics; smart grid integration with PV; PV system advancements; scalable solar technologies
(This special issue belongs to the Section Energy Systems)
Extraction, Modification, Synthesis, Characterization, and Application of Natural and Biobased Polymer Materials
edited by
submission deadline 15 May 2026 | 2 articles | Viewed by 2978 | Submission Open
Keywords: natural polymers; cellulose; chitosan; chitin; starches; gums; PLA; biobased polymer; bioplastic; reinforced polymers; natural fiber; agro-residues; biodegradable polymers
(This special issue belongs to the Section Materials Processes)
Advances in Renewable and Sustainable Engineering from the 6th International Conference on Sustainable Engineering Techniques
edited by , Wadhah Amer Hatem and
submission deadline 15 May 2026 | 2 articles | Viewed by 2394 | Submission Open
Keywords: renewable energy; solar energy; sustainability; energy efficiency; green technologies; waste management; smart energy systems; water treatment; green infrastructure and buildings; energy storage systems; affordable energy
(This special issue belongs to the Section Sustainable Processes)
Product Design and the Optimization of Technologies for Manufacturing Processes
edited by , Rodica Sturza and
submission deadline 15 May 2026 | 2 articles | Viewed by 2183 | Submission Open
Keywords: manufacturing optimization; product and process design; engineering processes; environmental engineering; sustainability and circular economy; mechatronics and robotics; chemical processes; food engineering; energy processes; information systems and technology
(This special issue belongs to the Section Manufacturing Processes and Systems)
Development of Advanced Drilling Engineering
edited by
submission deadline 15 May 2026 | 3 articles | Viewed by 1698 | Submission Open
Keywords: advanced drilling engineering; deep-water/deep-earth drilling; unconventional oil and gas drilling; intelligent drilling technology
(This special issue belongs to the Section Energy Systems)
Advances in Heat Transfer and Thermal Energy Storage Systems
edited by , José Alfredo Hernández Pérez and David Juárez Romero
submission deadline 15 May 2026 | 1 articles | Viewed by 1517 | Submission Open
Keywords: thermal energy storage; non renewable energy; renewable energy; mechanical energy storage; chemical energy storage; electric energy storage; electrochemical energy storage
(This special issue belongs to the Section Energy Systems)
Control, Optimization and Scheduling of Smart Distribution Grids submission deadline 15 May 2026 | 1 articles | Viewed by 1147 | Submission Open
Keywords: planning and operation; distribution networks; smart grids; microgrids; modeling and simulation; optimization; distributed energy resources; power electronics and electric drives; renewable energy and energy storage; electric vehicles; demand response; reliability and resilience
(This special issue belongs to the Section Energy Systems)
Process Design and Performance Analysis of Heat Pumps
edited by Tiago de Freitas Paulino, Luiz Machado and
submission deadline 15 May 2026 | 2 articles | Viewed by 962 | Submission Open
Keywords: heat pump  ; design  ; performance analysis  ; renewable energy  ; thermal energy storage
(This special issue belongs to the Section Energy Systems)
Preparation of Semiconductor Materials and Their Application in Photoelectronic Devices
edited by Weixin Ouyang
submission deadline 15 May 2026 | 1 articles | Viewed by 835 | Submission Open
Keywords: semiconductor materials; photoelectronic devices; charge carriers; material preparation; device assembly; solar cells; photodetectors; LEDs; lasers
(This special issue belongs to the Section Materials Processes)
Research Trends in Electrochemical Technology for Sustainable Environmental Applications
edited by Martín Muñoz-Morales and Ester López-Fernández
submission deadline 15 May 2026 | Viewed by 546 | Submission Open
Keywords: sustainable materials; waste treatment; electrochemical techniques; novel electrodes; electrochemical sensors; pollutants; oxidation; reduction
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in the Design, Synthesis and Applications of Nanostructured Materials
edited by Andrés Ramírez Ramírez, María Eugenia González and Mara Cea
submission deadline 15 May 2026 | 1 articles | Viewed by 389 | Submission Open
Keywords: nanostructures; energy; environment; catalyst; carbon-biobased nanostructures; nanocomposite materials; supercapacitors
(This special issue belongs to the Section Materials Processes)
Application of Machine Learning in Geo-Energy Exploration Processes
edited by Zhi Zhong
submission deadline 15 May 2026 | Viewed by 225 | Submission Open
Keywords: machine learning; deep learning; subsurface energy systems; reservoir characterization; seismic interpretation; carbon capture storage; enhanced recovery; sustainable energy transition; digital transformation; space geo-energy
(This special issue belongs to the Section Energy Systems)
Advances in Computational Chemistry for the Molecule/Material Design and Chemical Process Applications
edited by and Federico Palazzetti
submission deadline 15 May 2026 | Viewed by 183 | Submission Open
Keywords: theoretical methods for computational chemistry; computational chemistry and drug design; computational chemistry and the design of new materials; computational chemistry and green chemistry; computational study of chemical reactions; computational chemistry and machine learning
(This special issue belongs to the Section Chemical Processes and Systems)
Discrete Element Method (DEM) and Its Engineering Applications
edited by Xiaoxing Liu
submission deadline 15 May 2026 | Viewed by 144 | Submission Open
Keywords: discrete element method (DEM); granular materials; particle-scale mechanics; contact force models; particle morphology; DEM development; engineering processes; multiscale modeling; granular rheology; particle mixing; particle packing; particle transportation
(This special issue belongs to the Section Particle Processes)
Process Engineering in Electrified Roadway Systems: Design, Integration, and Sustainability submission deadline 15 May 2026 | Viewed by 112 | Submission Open
Keywords: electrified pavement; wireless charging; material and structure design; performance evaluation; life cycle analysis
(This special issue belongs to the Section Process Control and Monitoring)
Biorefining and Circular Economy: Innovative Processes for Waste Valorization
edited by Cristiano E.R. Reis and
submission deadline 15 May 2026 | Viewed by 86 | Submission Open
Keywords: biorefinery; circular economy; waste valorization; process integration; process intensification; agro-industrial residues; techno-economic analysis (TEA); life cycle assessment (LCA); hybrid biocatalysis– thermocatalysis; digital twins and process modeling
(This special issue belongs to the Section Energy Systems)
Metal Extraction and Recovery Technologies from E-Waste
edited by and
submission deadline 15 May 2026 | Viewed by 82 | Submission Open
Keywords: E-waste recycling; metal extraction; hydrometallurgy; bioleaching; pyrometallurgy; mechanochemistry; sustainable recycling; waste valorization; techno-economic analysis
(This special issue belongs to the Section Manufacturing Processes and Systems)
Next-Generation Multifunctional Materials: Design and Applications in Healthcare, Energy and Sustainability
edited by Congjie Wei and
submission deadline 15 May 2026 | Viewed by 67 | Submission Open
Keywords: multifunctional materials; advanced material design; healthcare applications; energy storage and conversion; sustainable materials; machine learning
(This special issue belongs to the Section Chemical Processes and Systems)
State-of-the-Art Coordination Polymers: Synthesis and Multifunctional Applications
edited by Ravi Arukula and
submission deadline 19 May 2026 | Viewed by 50 | Submission Open
Keywords: coordination polymers; synthesis; applications; catalysis; gas storage; sensing; drug delivery; remediation; modeling
(This special issue belongs to the Section Chemical Processes and Systems)
Application of Biochar in Environmental Research
edited by
submission deadline 20 May 2026 | 8 articles | Viewed by 17839 | Submission Open
Keywords: biochar; waste management; wastewater and water treatment; pyrolysis; fertilization; composting; anaerobic digestion; heterogenous catalysis; nanomaterials
(This special issue belongs to the Section Environmental and Green Processes)
Supercritical Technology Applied to Food, Pharmaceutical, Chemical and Energy Industries—2nd Edition
edited by
submission deadline 20 May 2026 | 6 articles | Viewed by 17521 | Submission Open
Keywords: bioactive compounds; supercritical technology; supercritical fluid extraction; high pressure phase equilibria; particle formation assisted with supercritical fluids and compressed liquids; application of supercritical technology-based products in foods; pharmaceuticals; cosmetics and textiles; life cycle analysis of processes assisted with supercritical technology; process intensification with supercritical technology; analytical methods hyphenated with supercritical fluids and pressurized liquids; accelerated solvent extraction; chemical reactions assisted with supercritical fluids; characterization and biological activity of products processed with supercritical fluids and pressurized liquids; gasification assisted with supercritical fluids; sterilization assisted with supercritical fluids; impregnation assisted with supercritical fluids; polymer processing assisted with supercritical fluids; power generation with supercritical technology
(This special issue belongs to the Section Food Process Engineering)
Applications of Smart Microgrids in Renewable Energy Development
edited by Hui Li, Kuan Zhang and Yikui Liu
submission deadline 20 May 2026 | 15 articles | Viewed by 17177 | Submission Open
Keywords: microgrids; renewable energy; planning; energy management; energy sharing; uncertainty
(This special issue belongs to the Section Energy Systems)
Sustainable Techniques for Extraction and Isolation of Natural Bioactive Compounds
edited by , Mariana Silva López and Teodoro Suárez Diéguez
submission deadline 20 May 2026 | 6 articles | Viewed by 10694 | Submission Open
Keywords: natural products; purification; pressurized liquid extraction; supercritical fluid extractions; ultrasound-assisted extraction; advanced extraction; solid– liquid extraction; sistainable extraction; eutectic solvents
(This special issue belongs to the Section Separation Processes)
Industry 4.0 and Industry 5.0: Simulators and Algorithms in Manufacturing Processes and Systems
edited by Wei Guo and Jiewu Leng
submission deadline 20 May 2026 | 8 articles | Viewed by 8570 | Submission Open
Keywords: Industry 4.0; Industry 5.0; smart manufacturing; digital twin; human– machine collaboration; industrial simulators; AI algorithms; cyber-physical systems (CPS); predictive maintenance; federated learning
(This special issue belongs to the Section Manufacturing Processes and Systems)
Novel Applications of Zeolites in Adsorption Processes submission deadline 20 May 2026 | 4 articles | Viewed by 7269 | Submission Open
Keywords: zeolite; adsorption; modification; kinetic; environmental protection; synthesis
(This special issue belongs to the Section Chemical Processes and Systems)
Recent Developments in Low-Carbon and Efficient Extraction Technologies of Deep Unconventional Reservoirs
edited by Haichao Wang, Zhenzhi Wang, and
submission deadline 20 May 2026 | 9 articles | Viewed by 6769 | Submission Open
Keywords: deep energy; coalbed methane; shale oil; CO2 displacement technology; geological carbon dioxide storage technology
(This special issue belongs to the Section Energy Systems)
Modeling and Optimization for Green Energy Materials: Machine Learning, Conventional, and Hybrid Approaches
edited by and Viatcheslav Kafarov
submission deadline 20 May 2026 | 4 articles | Viewed by 2719 | Submission Open
Keywords: green energy materials; machine learning; modeling and simulation of processes; sustainable process engineering; data-driven process engineering; digital twins
(This special issue belongs to the Section Energy Systems)
Development of Innovative Processes in Food Engineering submission deadline 20 May 2026 | 2 articles | Viewed by 2241 | Submission Open
Keywords: innovative food processing; non-thermal technologies; functional foods; bioactive encapsulation; food safety and quality; sustainable food engineering; alternative protein processing
(This special issue belongs to the Section Food Process Engineering)
Advances in Metal Catalyst: Synthesis and Application
edited by and
submission deadline 20 May 2026 | 1 articles | Viewed by 958 | Submission Open
Keywords: catalyst design and engineering; metal-based catalysts; nanostructured catalysts; single-atom catalysts; heterogeneous catalysis; electrocatalysis and thermocatalysis; advanced characterization; system design and integration
(This special issue belongs to the Section Materials Processes)
New Research on Oil and Gas Equipment and Technology, 2nd Edition submission deadline 20 May 2026 | 1 articles | Viewed by 761 | Submission Open
Keywords: oil and gas equipment; design; modeling; analysis; evaluation
(This special issue belongs to the Section Energy Systems)
Advanced Low-Carbon Energy Processes: Engineering, Optimization, and System Integration for Carbon Neutrality
edited by Shuai Guo, Chang Xing, Zhifeng Hu and
submission deadline 20 May 2026 | 2 articles | Viewed by 597 | Submission Open
Keywords: carbon neutrality; low-carbon energy; renewable energy; carbon capture utilization; hydrogen energy; energy storage; traditional energy decarbonization
(This special issue belongs to the Section Chemical Processes and Systems)
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