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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Processes Development for Wastewater Treatment
edited by
submission deadline 31 Jan 2026 | 2 articles | Viewed by 805 | Submission Open
Keywords: wastewater management; treatment technologies; wastewater reuse; biosolids production; managed aquifer recharge
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced and Novel Physico-Chemical and Biological Wastewater Treatment Technologies submission deadline 31 Jan 2026 | 1 articles | Viewed by 603 | Submission Open
Keywords: wastewater treatment; activated sludge processes; aerobic/anaerobic biodegradation processes; biofilm processes; membrane bioreactors; emerging chemical treatment; combined biological processes
(This special issue belongs to the Section Environmental and Green Processes)
Advancing Sustainable Chemical Processes Through the Design of Ionic Liquids submission deadline 31 Jan 2026 | Viewed by 579 | Submission Open
Keywords: ionic liquids; sustainability; chemical processes; green chemistry; innovation
(This special issue belongs to the Section Sustainable Processes)
Advanced Technologies of Tea Preparation, Quality Control, and Fine Processing
edited by Fangyuan Fan
submission deadline 31 Jan 2026 | Viewed by 322 | Submission Open
Keywords: processing technology; tea quality; flavor; equipment; taste; aroma
(This special issue belongs to the Section Food Process Engineering)
Multi-Objective Optimization for Sustainable Industrial Systems Design
edited by Ashish Gujrathi
submission deadline 31 Jan 2026 | Viewed by 303 | Submission Open
Keywords: Multi-Objective Optimization (MOO); Pareto front; sustainability metrics; trade-off analysis; Life Cycle Assessment (LCA); circular economy; adaptive algorithms; energy efficiency; supply chain optimization; robustness and resilience
(This special issue belongs to the Section Process Control and Monitoring)
Advanced Application of Photoelectrocatalysis for Energy Conversion
edited by Juan Manuel Mora-Hernández and Jesús Adrián Díaz-Real
submission deadline 31 Jan 2026 | Viewed by 253 | Submission Open
Keywords: photoelectrochemistry; watersplitting; hydrogen generation; CO2 photoelectroreduction; photoelectrodes; semiconductors; photocatalysis
(This special issue belongs to the Section Energy Systems)
Processing and Applications of Polymer Composite Materials
edited by Antônio Benjamim Mapossa
submission deadline 31 Jan 2026 | Viewed by 251 | Submission Open
Keywords: polymer composites; processing techniques; additives; fibers; membranes; hybrid matrix; performance
(This special issue belongs to the Section Chemical Processes and Systems)
Renewable Energy Horizons: Biomass Waste Valorization submission deadline 31 Jan 2026 | Viewed by 236 | Submission Open
Keywords: biomass waste; valorization; renewable energy; biofuels; anaerobic digestion; pyrolysis; gasification; fermentation
(This special issue belongs to the Section Energy Systems)
High-Performance Organic Solar Cells (OSCs) for a Green Future submission deadline 31 Jan 2026 | Viewed by 200 | Submission Open
Keywords: organic solar cells; novel organic semiconductors; donor-acceptor interfaces; solution-processing methods; charge transport; recombination losses; stability; encapsulation and degradation mechanisms of OSCs; lifetime analysis; simulation and modeling
(This special issue belongs to the Section Energy Systems)
Innovative Gas Hydrate Technologies for a Sustainable Energy Future submission deadline 31 Jan 2026 | Viewed by 71 | Submission Open
Keywords: gas hydrates; sustainable energy; CO2 sequestration; hydrogen storage; AI in chemical engineering; thermodynamic modeling; desalination; molecular simulations; porous media; environmental applications
(This special issue belongs to the Section Energy Systems)
Thermodynamics and Fluid Mechanics in Energy Systems
edited by , Junyu Tao and
submission deadline 31 Jan 2026 | Viewed by 71 | Submission Open
Keywords: thermodynamics; fluid mechanics; energy systems; biomass conversion; solid waste utilization
(This special issue belongs to the Section Energy Systems)
Sustainable Processing Design for Functional Ingredients in Food
edited by Betsabe Hernandez Santos, and
submission deadline 31 Jan 2026 | Viewed by 67 | Submission Open
Keywords: sustainability; green processing; functional ingredients; emerging technologies; natural bioactives; byproduct valorization; healthy foods; energy efficiency; food biorefineries; technological innovation
(This special issue belongs to the Section Food Process Engineering)
Process Engineering: Process Design, Control, and Optimization submission deadline 31 Jan 2026 | Viewed by 57 | Submission Open
Keywords: process design; process control; process optimization; modeling and simulation; process systems engineering; sustainable processes; chemical engineering; industrial processes; advanced control; artificial intelligence
(This special issue belongs to the Section Process Control and Monitoring)
Application of Artificial Intelligence in Industrial Process Modelling and Optimization (2nd Edition)
edited by , , Pan Yu and
submission deadline 31 Jan 2026 | Viewed by 52 | Submission Open
Keywords: industrial process modeling; intelligent optimization; artificial intelligence; decision support systems; cyber– physical systems
(This special issue belongs to the Section AI-Enabled Process Engineering)
Application of Artificial Intelligence and Optimization Algorithms in Power Systems and Energy Storage submission deadline 31 Jan 2026 | Viewed by 45 | Submission Open
Keywords: AI-driven control; power systems; optimization strategies; smart grids; renewable energy storage; grid stability; metaheuristic techniques
(This special issue belongs to the Section Energy Systems)
Chemical Characterization of Nanomaterials with Electrochemical Technology
edited by Gean Arteaga Arroyo and
submission deadline 31 Jan 2026 | Viewed by 42 | Submission Open
Keywords: nanomaterials; electrochemical; powerful technique; electron
(This special issue belongs to the Section Chemical Processes and Systems)
Pharmacokinetic Modeling and Optimal Experimental Design: Applications and Prospects submission deadline 31 Jan 2026 | Viewed by 38 | Submission Open
Keywords: pharmacokinetic modelling; optimal experimental design; PK/PD integration; model-informed drug development; bayesian pharmacometrics; translational pharmacology; veterinary pharmacology; precision dosing; machine learning in pharmacology
(This special issue belongs to the Section Pharmaceutical Processes)
High-Effective Energy Conversion for Sustainable Environment
edited by
submission deadline 31 Jan 2026 | Viewed by 35 | Submission Open
Keywords: materials; processes; energy efficiency; decarbonization; renewable energies; sustainable environment; carbon neutrality
(This special issue belongs to the Section Sustainable Processes)
Technologies for Production, Processing, and Extraction of Natural Products, 3rd Edition
edited by
submission deadline 31 Jan 2026 | Viewed by 31 | Submission Open
Keywords: natural product chemistry; biological sources; leftovers; production methods; processing; non-conventional extractions; methods of analysis
(This special issue belongs to the Section Biological Processes and Systems)
Sustainable Pathways in Chemical Process Engineering: Innovations, Optimization and Circular Strategies
edited by Andres F. Suárez and Laura Rosa Conde-Rivera
submission deadline 31 Jan 2026 | Viewed by 31 | Submission Open
Keywords: sustainable process engineering; biofuels and bioproducts; green chemistry and catalysis; circular economy and waste valorization; carbon capture and utilization (CCU); life cycle assessment (LCA) and techno-economic analysis (TEA); process modeling and optimization
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Bioprocess Technology, 2nd Edition submission deadline 31 Jan 2026 | Viewed by 19 | Submission Open
Keywords: bioprocess engineering; fermentation; upstream processing; downstream processing; biomass valorization; bioreactors; bio-based products
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Food Processing Techniques and Nutritional Analysis submission deadline 31 Jan 2026 | Viewed by 14 | Submission Open
Keywords: food processing; nutritional analysis; high-pressure processing; microwave-assisted methods; spray-drying; encapsulation; fermentation; nutrient retention; food safety
(This special issue belongs to the Section Food Process Engineering)
Design of Next-Generation Batteries: Materials, Cell Performance and Production Processes
edited by
submission deadline 31 Jan 2026 | Viewed by 14 | Submission Open
Keywords: next-generation battery; battery materials; electrode innovation; cell performance; battery design; energy storage; computational modeling
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advanced Technologies for Energy Storage submission deadline 31 Jan 2026 | Viewed by 12 | Submission Open
Keywords: energy storage; advanced batteries; power systems; ancillary services; smart grids; electric vehicles; power system resilience
(This special issue belongs to the Section Energy Systems)
Recycling and Reusing of Various Spent Batteries
edited by Marcos B.J.G. Freitas and Éric Marsalha Garcia
submission deadline 5 Feb 2026 | Viewed by 389 | Submission Open
Keywords: recycling; batteries; lithium-ion batteries; nickel– metal hydride batteries; zinc– manganese oxide batteries; nickel– cadmium battery; green recycling; circular economy
(This special issue belongs to the Section Environmental and Green Processes)
Research Progress in Nano Thin Film Technology
edited by Ching-Yu Wang, Kai Shen and
submission deadline 5 Feb 2026 | Viewed by 29 | Submission Open
Keywords: synthesis processes of thin films; surface and interface properties; design of thin films; crystallized and amorphous thin films; physical and chemical properties of thin films; characterization of thin films; catalysis; energy storage; electronics; optics
(This special issue belongs to the Section Chemical Processes and Systems)
Green Mineral Processing and Metallurgy: Resource Recovery, Utilization and Process Optimization
edited by
submission deadline 10 Feb 2026 | 2 articles | Viewed by 2656 | Submission Open
Keywords: metal mine; green mining; hydrometallurgy; backfilling technology; low-grade minerals
(This special issue belongs to the Section Energy Systems)
Metal Oxides in Heterogeneous Oxidation Catalysis
edited by Chuanqiang Li, Licheng Liu and Xin Chen
submission deadline 10 Feb 2026 | 3 articles | Viewed by 2526 | Submission Open
Keywords: metal oxide catalyst; heterogeneous catalysis; innovative synthesis strategy; thermal oxidation; photocatalytic oxidation; electrocatalytic oxidation; solid oxide fuel cell
(This special issue belongs to the Section Catalysis Enhanced Processes)
Intelligent Prediction and Performance Optimization for Deep Underground Resource Excavation Process
edited by Guanghui Zhao, Tingzhuang Han, Tao Meng, and Reza Taherdangkoo
submission deadline 10 Feb 2026 | 4 articles | Viewed by 2465 | Submission Open
Keywords: rocks; materials; mining
(This special issue belongs to the Section Energy Systems)
Artificial Intelligence: An Innovative Solution to the Optimization and Discovery of Functional Materials
edited by Cheng Zeng and Menghao Yang
submission deadline 10 Feb 2026 | Viewed by 392 | Submission Open
Keywords: functional materials; artificial intelligence; materials informatics; data-driven approach; Bayesian optimization; inverse materials design; high-throughput screening; machine learning force-field; automated experimentation
(This special issue belongs to the Section Materials Processes)
Simulation of Particle Flow and Discrete Element submission deadline 10 Feb 2026 | Viewed by 185 | Submission Open
Keywords: discrete element method (DEM); particle flow simulation; multiphysics coupling; computational modelling; granular materials; optimization design; machine learning in simulation; mechanical and functional engineering
(This special issue belongs to the Section Particle Processes)
Advances in Research on the Corrosion Properties of Metal Compounds in Alloys submission deadline 10 Feb 2026 | Viewed by 34 | Submission Open
Keywords: corrosion resistance; high-entropy alloys (HEAs); oxidation behavior; passivation and pitting; electrochemical characterization; surface engineering; refractory metal alloys; computational modeling of corrosion; localized corrosion mechanisms; coatings and protective layers
(This special issue belongs to the Section Manufacturing Processes and Systems)
Environmental Pollution Control and Renewable Energy Conversion Technologies
edited by Da Cui
submission deadline 10 Feb 2026 | Viewed by 10 | Submission Open
Keywords: porous media; condensation heat and mass transfer; energy storage; renewable energy conversion; CFD; LBM; artificial intelligence in energy and environment; sustainable process engineering
(This special issue belongs to the Section Environmental and Green Processes)
Application of Artificial Intelligence Technology in Water Environment Monitoring and Industry submission deadline 15 Feb 2026 | 3 articles | Viewed by 6332 | Submission Open
Keywords: Monitoring of municipal water systems; Monitoring of municipal industrial wastewater systems; Monitoring of water pipeline systems; Monitoring of marine vessels; Monitoring of submarine pipelines; Monitoring of river systems; Monitoring of river transportation safety; Safety strategies of river water engineering systems; Monitoring of mining; groundwater; and soil water engineering systems
(This special issue belongs to the Section Environmental and Green Processes)
Data Acquisition, Processing, Analysis Methods and Process Control in Energy Exploration Systems submission deadline 15 Feb 2026 | 2 articles | Viewed by 492 | Submission Open
Keywords: data acquisition; data processing; data analysis; process control; energy exploration
(This special issue belongs to the Section Energy Systems)
Carbon Utilization and Storage in Mahu Oil Reservoirs
edited by
submission deadline 15 Feb 2026 | Viewed by 24 | Submission Open
Keywords: carbon utilization; fracturing; imbibition; enhanced oil recovery; CO2 storage capacity
(This special issue belongs to the Section Energy Systems)
Waste Supermaterials: Engineered Multifunctional Composites for Dual Water-Waste Solutions submission deadline 15 Feb 2026 | Viewed by 13 | Submission Open
Keywords: waste-derived materials; multifunctional composites; water treatment; waste valorization; circular economy; adsorbents; photocatalysts; sustainable materials; environmental remediation; membrane technology
(This special issue belongs to the Section Sustainable Processes)
Sustainable Innovations in Cement-Based Materials and Solid Waste Utilization
edited by Aydin Shishegaran
submission deadline 18 Feb 2026 | Viewed by 91 | Submission Open
Keywords: sustainable development; cement-based material; recycling; reusing solid waste; material properties; simulation; artificial intelligence; multi-criteria decision analysis
The Recycling Process of Agro-Industrial Waste submission deadline 20 Feb 2026 | 2 articles | Viewed by 2462 | Submission Open
Keywords: bioconversion; waste management; sustainability; recycling; agro-industrial waste; bioenergy; biorefinery; value-added products; organic fertilizers; nutrient recovery
(This special issue belongs to the Section Environmental and Green Processes)
Modeling, Simulation and Control of Industrial Processes
edited by Guihua Hu
submission deadline 20 Feb 2026 | 3 articles | Viewed by 1927 | Submission Open
Keywords: industrial system modeling; robust optimization design; simulation; uncertainty quantification; reduced-order model; artificial intelligence; intelligent control
(This special issue belongs to the Section Process Control and Monitoring)
Control and Removal of Heavy Metals in the Environment
edited by Gordana Dević, and
submission deadline 20 Feb 2026 | Viewed by 246 | Submission Open
Keywords: heavy metal; terrestrial and aquatic environments; environmental impact and protection; methods; monitoring
(This special issue belongs to the Section Environmental and Green Processes)
Membrane Technologies for Desalination and Wastewater Treatment
edited by
submission deadline 20 Feb 2026 | Viewed by 20 | Submission Open
Keywords: membrane technologies; desalination; wastewater treatment; thin-film nanocomposites; mixed matrix membranes; 2D membranes
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Computational Chemistry for Reaction Mechanisms
edited by Kai Chen and Abing Duan
submission deadline 25 Feb 2026 | Viewed by 275 | Submission Open
Keywords: computational chemistry; DFT; molecular modeling; quantum chemical calculations; reaction mechanism; organic reaction pathway; potential energy surface; transition state; catalysis; molecular design
(This special issue belongs to the Section Chemical Processes and Systems)
Artificial Intelligence for Plasma Processes
edited by Benjamin C. Wang and Mark A. Cappelli
submission deadline 25 Feb 2026 | Viewed by 32 | Submission Open
Keywords: artificial intelligence; plasma processing; material analysis; fusion applications; large language models
(This special issue belongs to the Section Environmental and Green Processes)
Catalytic Improvement of Biomass Gasification Process
edited by Xinxin Dong, Jing Gu and
submission deadline 27 Feb 2026 | 1 articles | Viewed by 690 | Submission Open
Keywords: biomass gasification; catalysts; process intensification; system modeling; experimental study; molecular dynamics; reaction mechanism; fluid behavior
(This special issue belongs to the Section Catalysis Enhanced Processes)
Green Technologies for Food Processing
edited by
submission deadline 28 Feb 2026 | 4 articles | Viewed by 6061 | Submission Open
Keywords: green technologies for food processing; zero waste-based food processing; alternative proteins; processing of edible insect products; plant-origin foods; 3D food printing processes; cannabis processing; unconventional food plant  PANCs; non-thermal food processes
(This special issue belongs to the Section Food Process Engineering)
Flow Mechanisms and Enhanced Oil Recovery
edited by , Hailong Zhao and
submission deadline 28 Feb 2026 | 5 articles | Viewed by 4676 | Submission Open
Keywords: oil and gas flow mechanisms; enhanced oil recovery (EOR); multiphase flow; reservoir simulation; water-alternating-gas (WAG); gas injection; chemical flooding; porous media
(This special issue belongs to the Section Energy Systems)
Fluid Dynamics and Processes of Heat Transfer Enhancement submission deadline 28 Feb 2026 | 3 articles | Viewed by 4216 | Submission Open
Keywords: heat transfer; convective nanofluids; phase change materials; heat exchanger; turbulator; computational fluid dynamics; flow characteristics; thermal heat storage; porous media; machine learning
(This special issue belongs to the Section Energy Systems)
Sustainable Hydrogen Technologies and Their Value Chains
edited by
submission deadline 28 Feb 2026 | 2 articles | Viewed by 2211 | Submission Open
Keywords: hydrogen; life cycle assessment; solar PV; wind turbine; water electrolysis; waste biomass; hydrogen storage materials; CCUS
(This special issue belongs to the Section Energy Systems)
Modern Machine Learning Applications in Control and Optimization of Energy Power and Storage Systems
edited by and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1185 | Submission Open
Keywords: machine learning models; energy power system; energy storage management system; grid management and control; renewable energy integration; energy consumption prediction; power system state estimation; cybersecurity in energy systems; sustainable energy solutions
(This special issue belongs to the Section Energy Systems)
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