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 Renewable Energy Systems: Integration Challenges, Forecasting, and Grid Optimization for Sustainable Energy Management
edited by
submission deadline 31 Oct 2025 | 1 articles | Viewed by 278 | Submission Open
Keywords: renewable energy integration; grid optimization; sustainable energy management; renewable energy forecasting; flexibility resources; smart grid technologies; energy storage systems; distributed energy resources; microgrids; AI in energy systems
(This special issue belongs to the Section Energy Systems)
Advances in Ionic Liquids in Chemical and Biological Engineering submission deadline 31 Oct 2025 | Viewed by 248 | Submission Open
Keywords: green chemistry; green processes; green reactions; alternative solvents; ionic liquids; chemical engineering; biological engineering
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Gas Hydrate: From Formation to Exploitation Processes
edited by Pengwei Zhang, Lele Liu and Lujun Wang
submission deadline 31 Oct 2025 | Viewed by 248 | Submission Open
Keywords: gas hydrates; hydrate-bearing sediments; sand production; submarine landslides; geological harards; formation mechanisms; characterization techniques; exploitation technologies; environmental impact
(This special issue belongs to the Section Energy Systems)
Advanced Biofuel Production Processes and Technologies
edited by
submission deadline 31 Oct 2025 | Viewed by 233 | Submission Open
Keywords: next-generation biofuels; sustainable biofuels; advanced processing technologies; life cycle analysis; mathematical modelling; biomass characterization; climate change mitigation
(This special issue belongs to the Section Biological Processes and Systems)
Advanced Technology for Food Engineering and Bioactive Compound Characterization
edited by Carlos Gregorio Barreras-Urbina, and
submission deadline 31 Oct 2025 | Viewed by 200 | Submission Open
Keywords: bioactive compounds; chemical characterization; foods; materials advanced technologies; food engineering
(This special issue belongs to the Section Food Process Engineering)
Pharmaceutical Potential and Application Research of Natural Products submission deadline 31 Oct 2025 | Viewed by 175 | Submission Open
Keywords: natural products; green chemistry; nanotechnology; natural and herbal remedies processing; purification; extract; pharmacognosy; Box– Behnken design; response surface methodology
(This special issue belongs to the Section Pharmaceutical Processes)
Biogas Technologies: Converting Waste to Energy
edited by Christopher Chintua Enweremadu and
submission deadline 31 Oct 2025 | Viewed by 151 | Submission Open
Keywords: novel feedstock; emerging biogas technologies; advanced pretreatment techniques; process optimization and control; nutrient recovery; enhancement techniques; 4IR; techno-economic analysis; life cycle assessment
(This special issue belongs to the Section Environmental and Green Processes)
Multi-Phase Flow and Heat Transfer Processes in Thermal Engineering and Technology
edited by
submission deadline 31 Oct 2025 | Viewed by 145 | Submission Open
Keywords: thermal engineering; heat transfer; multi-phase flow; energy conversion; environmental engineering
(This special issue belongs to the Section Energy Systems)
Food Processing and Ingredient Analysis submission deadline 31 Oct 2025 | Viewed by 140 | Submission Open
Keywords: novel food processing; innovative processes; functional ingredients and foods; ingredient analysis and stability; bioactive compounds
(This special issue belongs to the Section Food Process Engineering)
Wastewater and Waste Treatment: Overview, Challenges and Current Trends (3rd Edition) submission deadline 31 Oct 2025 | Viewed by 121 | Submission Open
Keywords: integrated systems; wastewater treatment; resource recovery; life cycle assessment; technoeconomic analysis; emerging pollutants; policy implementation; hybrid technologies; nanotechnology; sustainable waste management
(This special issue belongs to the Section Environmental and Green Processes)
Extraction, Modification, Synthesis, Characterization, and Application of Natural and Biobased Polymer Materials
edited by
submission deadline 31 Oct 2025 | Viewed by 119 | 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)
Emerging Technologies in Solid Waste Recycling and Reuse
edited by Ruan L. S. Ferreira, and Saraiva Pereira Jéssyca Emanuella
submission deadline 31 Oct 2025 | Viewed by 117 | Submission Open
Keywords: solid waste recycling; waste reuse technologies; circular economy; waste valorization; sustainable waste management; resource recovery; smart waste management systems; life cycle assessment (lca); Industry 4.0 in waste processing; waste-to-energy  conversion
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Heat Transfer Technologies and Systematic Applications in Water and Energy Recovery
edited by , Hemin Hu and Yang Sun
submission deadline 31 Oct 2025 | Viewed by 96 | Submission Open
Keywords: heat transfer enhancement and optimization; integrated modelling and management of water– energy– carbon systems; thermal energy storage; machine learning; digital twin
(This special issue belongs to the Section Energy Systems)
Advancements in Electrodialysis for Sustainable Water and Wastewater Treatment: Innovations, Applications and Future Directions
edited by Oluwaseun Ogunbiyi
submission deadline 31 Oct 2025 | Viewed by 96 | Submission Open
Keywords: wastewater treatment; desalination technologies; emerging contaminants; membrane fouling mitigation; industrial wastewater reuse; brine management; process intensification; resource recovery; zero-liquid discharge; scaling and fouling
(This special issue belongs to the Section Environmental and Green Processes)
Modeling and Optimization in Thermal Process Simulation submission deadline 31 Oct 2025 | Viewed by 90 | Submission Open
Keywords: thermal process simulation; energy efficiency; computational fluid dynamics (CFD); optimization algorithms; thermal energy storage; heat transfer modeling; renewable energy systems; artificial intelligence in thermal processes; sustainable development; decarbonization
(This special issue belongs to the Section Energy Systems)
Process Control and Optimization in the Era of Industry 5.0
edited by , , and Zhonggai Zhao
submission deadline 31 Oct 2025 | Viewed by 90 | Submission Open
Keywords: process data analysis and modeling; intelligent information perception and data processing; data-driven modeling; parameter estimation and system identification; system simulation and dynamic simulation; digital twin of industrial process equipment; machine learning algorithms and applications; industrial intelligent control and intelligent optimization; data-driven model-based predictive control; advanced control theory and methods; data drive and control in the process industry; servo-drive control; engineering equipment modeling and intelligent control; smart factories in the era of Industry 5.0; optimization and production scheduling; quality prediction of industrial process products
(This special issue belongs to the Section Process Control and Monitoring)
Recent Advances in Green Hydrogen Production Processes submission deadline 31 Oct 2025 | Viewed by 88 | Submission Open
Keywords: green hydrogen; green ammonia water electrolysis; new material; distribution logistics; life cycle assessment; renewable energies; production; accounting; levelized cost of hydrogen
(This special issue belongs to the Section Energy Systems)
Bioethanol, Biohydrogen, and Biogas Production: Applications of Biorefinery
edited by
submission deadline 31 Oct 2025 | Viewed by 84 | 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)
Advances in Combustion Processes: Fundamentals and Applications
edited by Xinlu Han, Zhongqian Ling and
submission deadline 31 Oct 2025 | Viewed by 80 | Submission Open
Keywords: alternative fuels; fossil fuels; combustion processes; fundamental combustion properties; reaction kinetics; combustion applications; advanced experimental techniques; computational modeling
(This special issue belongs to the Section Energy Systems)
Innovative Approaches to Modeling, Optimization, Control, and Monitoring in Industrial Processes
edited by Yuanqiang Zhou, , Xiaoyu Jiang and Zheren Zhu
submission deadline 31 Oct 2025 | Viewed by 71 | Submission Open
Keywords: process modeling; process optimization; process control; process monitoring; process system engineering; machine learning; big data
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Corrosion and Anticorrosion of Materials in Thermal Energy Storage Systems
edited by Fabiola Pineda
submission deadline 31 Oct 2025 | Viewed by 70 | Submission Open
Keywords: nanomaterials; corrosion; coating; heat storage material; nanofluid; material degradation
(This special issue belongs to the Section Materials Processes)
Advances in Synthetic Biological Approaches to Microbial Engineering
edited by and Gregory Guirimand
submission deadline 31 Oct 2025 | Viewed by 69 | Submission Open
Keywords: synthetic biology; metabolic engineering; genetic circuit design; genome editing; pathway optimization; microbial chassis; bioproduction; adaptive laboratory evolution (ALE); omics integration; biofoundries
(This special issue belongs to the Section Biological Processes and Systems)
Natural Low-Cost Adsorbents in Water Purification Processes
edited by Leticia Nishi, Luis Fernando Cusioli, and Carolina Moser Paraíso
submission deadline 31 Oct 2025 | Viewed by 69 | Submission Open
Keywords: adsorption; natural adsorbents; water treatment; low cost; sustainability; biomass; agro-industrial waste; alternative materials; heavy metals; organic pollutants; contaminant removal; natural clays; activated carbon; chemical modification; industrial effluents; waste reuse; filtration; water purification; porous materials; environmental impact
(This special issue belongs to the Section Environmental and Green Processes)
Grid Integration of Renewable Energy Sources and Electric Vehicles
edited by
submission deadline 31 Oct 2025 | Viewed by 63 | Submission Open
Keywords: grid-tied renewable energy sources; electrical vehicles; advance control techniques; gird forming; grid following; energy management systems
(This special issue belongs to the Section Process Control and Monitoring)
Progress in Analysis of Elements in Water Environment and Pollution Process Control submission deadline 31 Oct 2025 | Viewed by 55 | Submission Open
Keywords: water pollution assessment and remediation; artificial intelligence in water pollution monitoring; hydrological and hydrogeochemical modeling of contaminants; groundwater contamination and sustainable management; isotope hydrology for tracing pollution sources; machine learning applications in water quality prediction; remote sensing for water pollution detection; emerging pollutants in aquatic systems; decision support systems for water pollution control
(This special issue belongs to the Section Environmental and Green Processes)
Structural Design and Performance Optimization of High-Performance Composites
edited by
submission deadline 31 Oct 2025 | Viewed by 53 | Submission Open
Keywords: novel materials design; multidisciplinary optimization; multiscale architectural modeling and design; microstructure shape and topology optimization; material parameter and property identification; machine learning
(This special issue belongs to the Section Materials Processes)
Synthesis and Applications of Cellulose Composite
edited by Francisco A.G. Soares Silva
submission deadline 31 Oct 2025 | Viewed by 37 | Submission Open
Keywords: cellulose composites; biodegradability; sustainability; nanocellulose; functionalization; renewable materials; green processing; mechanical properties; polymer composites; recyclability
(This special issue belongs to the Section Materials Processes)
Advanced Functional Materials Design and Computation
edited by , and Yuxiang Cai
submission deadline 31 Oct 2025 | Viewed by 30 | Submission Open
Keywords: density; functional theory (DFT); machine learning (ML); and machine-learned atomic potentials; green energyies
(This special issue belongs to the Section Materials Processes)
Mechanisms, Devices and Applications of Photocatalytic Processes
edited by
submission deadline 31 Oct 2025 | Viewed by 25 | Submission Open
Keywords: photocatalytic; mechanism; wastewater cleaning; hydrogen evolution; nitrogen reduction reaction; CO2 reduction; magnetic field
(This special issue belongs to the Section Catalysis Enhanced Processes)
Recent Trends in Advanced Manufacturing Technologies for Materials Processing and Production submission deadline 1 Nov 2025 | 3 articles | Viewed by 2017 | Submission Open
Keywords: green processing and synthesis; sustainable manufacturing; hybrid manufacturing processes; non-conventional machining methods; automatic assembly; ultra-high-precision manufacturing; optics; 3D printing technologies; biocompatible materials; micro- and nano-manufacturing; robotics and mechatronic systems; applied mechanical systems; advanced control systems; artificial intelligence in manufacturing processes; smart agricultural processes (smart production); metrology systems
(This special issue belongs to the Section Manufacturing Processes and Systems)
Energy Storage and Conversion: Next-Generation Battery Technology
edited by , Wenjuan Zhang and Wenqing Zhao
submission deadline 1 Nov 2025 | 1 articles | Viewed by 281 | Submission Open
Keywords: next-generation battery materials; sustainable resource recovery and recycling; electrochemical interface engineering; advanced electrode architecture and design; innovative electrolyte systems; high-efficiency energy storage and conversion; sustainable and green manufacturing processes; environmental impact and life cycle assessment; battery reaction kinetics and mechanistic insights; novel electrochemical systems for energy applications
(This special issue belongs to the Section Energy Systems)
Advances in Biomass Conversion and Biorefinery Applications
edited by Carlos Eduardo Molina-Guerrero and
submission deadline 1 Nov 2025 | Viewed by 105 | Submission Open
Keywords: biomass residues; circular economy; green chemistry; reactor design; sustainable energy
(This special issue belongs to the Section Chemical Processes and Systems)
Pharmacodynamics Modeling of Anti-inflammatory Drugs (2nd Edition)
edited by , and Jai-Eun Kim
submission deadline 5 Nov 2025 | Viewed by 212 | Submission Open
Keywords: pharmacodynamics; inflammation; anti-inflammation; analgesic; endoplasmic reticulum stress; calcium; MAPK; STAT; natural product; cytokine; nitric oxide; immune cell; macrophage
(This special issue belongs to the Section Pharmaceutical Processes)
Challenges and Opportunities in Computational Materials Science
edited by
submission deadline 5 Nov 2025 | Viewed by 79 | Submission Open
Keywords: predictive simulations; digital design; processes optimization; digital twins; materials informatics; materials design challenges; multi-scale modeling
(This special issue belongs to the Section Materials Processes)
Fault Diagnosis Process and Evaluation in Systems Engineering
edited by Shaoke Wan, and
submission deadline 6 Nov 2025 | 6 articles | Viewed by 10261 | Submission Open
Keywords: fault diagnosis; fault prediction; system engineering; feature extraction; system security and reliability; multi-source information fusion; reliability analysis
(This special issue belongs to the Section Automation Control Systems)
Composite Materials Processing, Modeling and Simulation
edited by , and Bernardo Fonseca Tutikian
submission deadline 10 Nov 2025 | 8 articles | Viewed by 13510 | Submission Open
Keywords: functionally graded materials (FGMs); functionally graded carbon-nanotube-reinforced composites (FG-CNTRCs); functionally graded graphene-platelet-reinforced composites (FG-GPLRCs); modeling; simulation; manufacturing process; design process
(This special issue belongs to the Section Materials Processes)
Application of Biochar in Environmental Research
edited by
submission deadline 10 Nov 2025 | 5 articles | Viewed by 7779 | 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)
Advanced Functionally Graded Materials
edited by and Suhas Alkunte
submission deadline 10 Nov 2025 | 2 articles | Viewed by 6069 | Submission Open
Keywords: functionally graded materials; additive manufacturing; mechanical behavior; sustainability; material science
(This special issue belongs to the Section Materials Processes)
Solar Technologies and Photovoltaic Systems submission deadline 10 Nov 2025 | 5 articles | Viewed by 4983 | Submission Open
Keywords: solar energy; PV technologies; durability and degradation; smart grid; building integration; PV performances; hydrogen electrolysis; electrical mobility; GIS and land suitability analysis
(This special issue belongs to the Section Energy Systems)
New Research on Adsorbent Materials in Environmental Protection submission deadline 10 Nov 2025 | 5 articles | Viewed by 4841 | Submission Open
Keywords: adsorbent; nanomaterials; bio-based adsorbents; composite materials; regeneration and reusability; application in emerging pollutants; environmental protection
(This special issue belongs to the Section Environmental and Green Processes)
AI-Driven Innovations for Enhancing Power System Stability and Operational Efficiency
edited by
submission deadline 10 Nov 2025 | Viewed by 883 | Submission Open
Keywords: inverter-based resources (IBRs); dispatch optimization; battery energy storage systems (BESSs); power systems stability; distributed energy resources (DERs); transmission and distribution planning; artificial intelligence (AI); electricity markets
(This special issue belongs to the Section Energy Systems)
Industrial IoT-Enabled Modeling and Optimization for the Process Industry—2nd Edition
edited by Gongzhuang Peng and
submission deadline 10 Nov 2025 | 1 articles | Viewed by 686 | Submission Open
Keywords: process modeling; production planning and scheduling; process optimization; artificial intelligence
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Smart Grids and Microgrids: Distributed Generation and Energy Storage Systems
edited by Yuzhou Zhou, , and Hang Shuai
submission deadline 10 Nov 2025 | Viewed by 154 | Submission Open
Keywords: smart grids; multi-energy microgrids; operation optimization; planning and design; market designing
(This special issue belongs to the Section Energy Systems)
Modelling and Optimizing Process in Industry 4.0 submission deadline 10 Nov 2025 | Viewed by 59 | Submission Open
Keywords: process study; process optimization; equipment study; advanced technologies; process automation;   process efficiency
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advanced Photocatalytic Material Surface Treatment Technology
edited by Irene T.S. Garcia
submission deadline 10 Nov 2025 | Viewed by 45 | Submission Open
Keywords: photocatalysts; environmental applications; hydrogen production; carbon dioxide reduction; nanomaterials; surface technology
(This special issue belongs to the Section Materials Processes)
Application of Machine Learning in Geo-Energy Exploration Processes
edited by Zhi Zhong
submission deadline 10 Nov 2025 | Viewed by 44 | 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)
Processing Foods: Process Optimization and Quality Assessment, 3rd Edition submission deadline 15 Nov 2025 | 10 articles | Viewed by 9611 | Submission Open
Keywords: unit operations; processing technologies; optimization; food quality; nutrition; traceability; sustainability
(This special issue belongs to the Section Food Process Engineering)
Recent Advances in Modern Carbon-Negative Technologies for CO2 Capture
edited by Pao-Chi Chen
submission deadline 15 Nov 2025 | 6 articles | Viewed by 8350 | Submission Open
Keywords: capture; absorption; adsorption; renewable energy; circular economy
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Rheology, Biodegradability and Mechanical Properties of Polymers
edited by and Bruno Felipe Urbano Cantillana
submission deadline 15 Nov 2025 | 4 articles | Viewed by 7055 | Submission Open
Keywords: rheology; dynamic mechanical analysis; biodegradable polymers; biodegradability; viscosity; soft matter; hydrogels; nanocomposites
(This special issue belongs to the Section Materials Processes)
Sustainable Techniques for Extraction and Isolation of Natural Bioactive Compounds
edited by , Mariana Silva López and Teodoro Suárez Diéguez
submission deadline 15 Nov 2025 | 4 articles | Viewed by 5230 | 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)
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