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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Non-ferrous Metal Metallurgy and Its Cleaner Production submission deadline 10 Sep 2026 | 5 articles | Viewed by 18871 | Submission Open
Keywords: nonferrous metallurgy; green metallurgical processes; resource recovery; waste recycling; sustainable practices; thermodynamics; kinetics
(This special issue belongs to the Section Chemical Processes and Systems)
Recent Advances in Bioprocess Engineering and Fermentation Technology submission deadline 10 Sep 2026 | 3 articles | Viewed by 10779 | Submission Open
Keywords: bioprocess engineering; fermentation technology; machine learning; genetic algorithms; metabolic flux analysis; anaerobic digestion; biohydrogen; biomethane; circular economy; agro-industrial waste
(This special issue belongs to the Section Biological Processes and Systems)
Recycling and Value-Added Utilization of Secondary Resources
edited by Jiawei Wen, Wenhao Yu and
submission deadline 10 Sep 2026 | 4 articles | Viewed by 6151 | Submission Open
Keywords: value-added utilization; secondary resources; recovery; critical metal; upcycling; lifecycle assessment
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Synthesis and Applications of Supported Nanocatalysts submission deadline 10 Sep 2026 | 3 articles | Viewed by 5945 | Submission Open
Keywords: nanocatalysts; synthesis; novel methods; environmentally
(This special issue belongs to the Section Catalysis Enhanced Processes)
Advances in Nanomaterials: Synthesis, Characterization and Applications
edited by
submission deadline 10 Sep 2026 | 2 articles | Viewed by 4627 | Submission Open
Keywords: nanomaterials; two-dimensional materials; self-assembly; sensing; cloud seeding; nanotoxicology and safety; energy conversion; water purification; air filtration; drug delivery
(This special issue belongs to the Section Materials Processes)
Recent Advances in Energy and Dynamical Systems submission deadline 10 Sep 2026 | 3 articles | Viewed by 3701 | Submission Open
Keywords: dynamic systems; energy systems; estimation; control; simulation; data-driven; fault detection
(This special issue belongs to the Section Energy Systems)
Recent Advances in Fuel Cell Technology and Its Application Process
edited by , Zehua Pan and
submission deadline 10 Sep 2026 | 3 articles | Viewed by 3361 | Submission Open
Keywords: fuel cell technology; electrochemical energy conversion and storage; additive manufacturing; techno-economic analysis; process integration; solid oxide fuel cell (SOFC); polymer electrolyte membrane fuel cell (PEMFC); alkaline fuel cell (AFC); molten carbonate fuel cell (MCFC); phosphoric acid fuel cell (PAFC); microbial fuel cell (MFC)
(This special issue belongs to the Section Energy Systems)
Innovative Robotic Process Control in Agriculture: Enhancing Efficiency and Sustainability
edited by Jingyao Gai and Jiqing Chen
submission deadline 10 Sep 2026 | 2 articles | Viewed by 2725 | Submission Open
Keywords: agricultural robotics; agricultural automation; autonomous equipment; precision agriculture; human– robot collaboration; field robotics; smart farming; sustainable farming technologies
(This special issue belongs to the Section Automation Control Systems)
Sustainable Processing Design for Functional Ingredients in Food
edited by Betsabe Hernandez Santos, and
submission deadline 10 Sep 2026 | 1 articles | Viewed by 1032 | 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 Monitoring and Fault Diagnosis of Multi-Mode Complex Industry
edited by Diego Rodrigo Cabral Silva
submission deadline 10 Sep 2026 | 1 articles | Viewed by 853 | Submission Open
Keywords: process monitoring; fault diagnosis; multi-mode systems; Industry 4.0; machine learning; data analytics; sensor technologies; real-time monitoring; cyber– physical systems; predictive maintenance
(This special issue belongs to the Section Process Control and Monitoring)
Fundamentals and Practical Applications of Artificial Intelligence, Machine Learning, and Deep Learning in Photo- and Electrochemical-Based Wastewater Treatment
edited by and Ever Peralta Reyes
submission deadline 10 Sep 2026 | Viewed by 323 | Submission Open
Keywords: Artificial Intelligence (AI); Machine Learning (ML); Deep Learning (DL); process prediction and optimization; intelligent process control and automation; photo- and electrocatalytic materials; photo- and electrochemical devices; wastewater treatment
(This special issue belongs to the Section Environmental and Green Processes)
Artificial Intelligence for Nuclear Engineering: Enhancing Smart Energy Systems
edited by and
submission deadline 10 Sep 2026 | Viewed by 34 | Submission Open
Keywords: intelligent regulation of energy system operating conditions; construction of digital twin model for energy systems; energy system security analysis based on artificial intelligence; system uncertainty analysis based on artificial intelligence; intelligent prevention of energy system accidents; situation awareness for energy systems; intelligent optimization of energy system operation rules based on big language models; intelligent processing of energy system noise and data; intelligent solution based on physical equations of energy systems; intelligent optimization of energy system robots
(This special issue belongs to the Section AI-Enabled Process Engineering)
Applications of Non-Thermal and Thermal Technologies in Food Processing, 2nd Edition submission deadline 15 Sep 2026 | 7 articles | Viewed by 19060 | Submission Open
Keywords: ultrasound; cold plasma; pulsed electric field; high pressure; irradiation; pulsed light
(This special issue belongs to the Section Food Process Engineering)
Advances in Chemical Systems: Catalysis, Green Processes, and Environmental Monitoring submission deadline 15 Sep 2026 | 7 articles | Viewed by 12417 | Submission Open
Keywords: catalysis and catalytic materials; green chemistry and sustainable processes; environmental monitoring technologies; renewable resources and waste valorization; process modeling and optimization; life cycle assessment (LCA); pollution control and mitigation; interdisciplinary chemical engineering; sustainable development in industrial processes; clean energy integration
(This special issue belongs to the Section Chemical Processes and Systems)
Process Safety Technology for Nuclear Reactors and Power Plants
edited by , Jipu Wang and Sijuan Chen
submission deadline 15 Sep 2026 | 4 articles | Viewed by 10078 | Submission Open
Keywords: nuclear safety; passive safety systems; digitalization in nuclear power; risk-informed decision making; AI in nuclear lifecycle management
(This special issue belongs to the Section Energy Systems)
Fluid Dynamics and Thermodynamic Studies in Gas Turbine
edited by and Laura Lilia Castro Gomez
submission deadline 15 Sep 2026 | 6 articles | Viewed by 9182 | Submission Open
Keywords: CFD; FEM; thermodynamics; cooling blades; heat transfer; optimization; NOx; CO2 capture
(This special issue belongs to the Section Energy Systems)
Biomass Energy Conversion for Efficient and Sustainable Utilization submission deadline 15 Sep 2026 | 5 articles | Viewed by 7987 | Submission Open
Keywords: bioenergy; biomass transformation technologies; biomass pretreatment; waste revaluation; advanced biofuels; hybrid biofuels.
(This special issue belongs to the Section Energy Systems)
Mineral Processing Equipments and Cross-Disciplinary Approaches
edited by
submission deadline 15 Sep 2026 | 6 articles | Viewed by 7026 | Submission Open
Keywords: mineral processing equipment; crushing/grinding equipment; gravity separation equipment; magnetic separation equipment; flotation equipment; solid– liquid separation equipment; tailings dewatering equipment; smart equipment integration; energy-efficient designs; cross-disciplinary approaches
(This special issue belongs to the Section Sustainable Processes)
Biomass Treatment and Pyrolysis Processes
edited by and Milan Z. Momčilović
submission deadline 15 Sep 2026 | 5 articles | Viewed by 4882 | Submission Open
Keywords: biochar; biomass; pyrolysis; porous carbon; hydrothermal process; environmental and green processes
(This special issue belongs to the Section Environmental and Green Processes)
Innovations in Carbon Capture and Storage/Utilization (CCS-CCU): Sustainable Engineering and Biotechnological Perspectives submission deadline 15 Sep 2026 | 2 articles | Viewed by 3295 | Submission Open
Keywords: carbon dioxide capture; carbon dioxide utilization; carbon dioxide storage; emission reduction; sustainable practices; climate change mitigation; engineering strategies; biotechnological innovations; life cycle assessment
(This special issue belongs to the Section Energy Systems)
Numerical Simulation for Engineering Safety: Applications in Engineering Field
edited by Tao Zhang, Yaoyao Meng and Liyuan Yu
submission deadline 15 Sep 2026 | 6 articles | Viewed by 2661 | Submission Open
Keywords: numerical simulation; macro– meso mechanism; multi-field coupling; discrete element method; finite element method; phase field method
(This special issue belongs to the Section Process Safety and Risk Management)
2nd Edition of Green Particle Technologies: Processes and Applications
edited by , and Wei Liu
submission deadline 15 Sep 2026 | 2 articles | Viewed by 2188 | Submission Open
Keywords: powder technology; green process; particle formation; particle modification; green material; green product; waste/harmful particles; characterization method
(This special issue belongs to the Section Particle Processes)
Extraction and Application Process of Bioactive Substances
edited by , Jesús Alejandro Claudio-Rizo and
submission deadline 15 Sep 2026 | 1 articles | Viewed by 1224 | Submission Open
Keywords: biomolecules; bioprocessing; green processes; bioactivities; extraction strategies; biorefinery; hydrogel encapsulation; microencapsulation; nanoencapsulation; biological efficacy
(This special issue belongs to the Section Pharmaceutical Processes)
Recent Advances in the Effects of Thermal Processes on Alloy Microstructure and Mechanical Properties
edited by Milica Vasić and Qingmin Yu
submission deadline 15 Sep 2026 | Viewed by 355 | Submission Open
Keywords: alloys; heat treatment; thermal stability; microstructure; phase transformations; precipitation strengthening; mechanical properties
(This special issue belongs to the Section Materials Processes)
Artificial Intelligence (AI), Machine Learning (ML), and Intelligent Robotics for Advanced Industrial Processes
edited by
submission deadline 15 Sep 2026 | Viewed by 334 | Submission Open
Keywords: artificial intelligence; machine learning; robotics; modelling; simulation; control; AI; ML; ANN; CNN; DNN; LSTM; RF
(This special issue belongs to the Section AI-Enabled Process Engineering)
Distributed Intelligent Energy Systems
edited by and
submission deadline 20 Sep 2026 | 4 articles | Viewed by 6289 | Submission Open
Keywords: distributed intelligent energy system; intelligent energy system; distributed generation system; optimal operation of distribution network; operation optimization and optimization planning of intelligent
(This special issue belongs to the Section Energy Systems)
Finite Element Method and Computational Techniques for Industrial Processes
edited by , , Shusen Zhao and
submission deadline 20 Sep 2026 | 3 articles | Viewed by 3873 | Submission Open
Keywords: finite element simulation; computational techniques; digital design; industrial processes; intelligent manufacturing
(This special issue belongs to the Section AI-Enabled Process Engineering)
Synthesis, Isolation and Application of Carbohydrates
edited by Bulan Wu and Guowen Xing
submission deadline 20 Sep 2026 | 1 articles | Viewed by 2002 | Submission Open
Keywords: carbohydrates; monosaccharides; disaccharides; oligosaccharides; polysaccharides; glycans; glycoconjugates; glycopolymers; glycosylation; chemoenzymatic synthesis
(This special issue belongs to the Section Chemical Processes and Systems)
Process-Based Valorization of Agro-Industrial Residues for Sustainable and Circular Systems submission deadline 20 Sep 2026 | 1 articles | Viewed by 746 | Submission Open
Keywords: agricultural residue valorization; agroproductive sustainability; climate change mitigation; process engineering; circular economy; process modeling and optimization; techno-economic and environmental assessment; process integration; biorefinery systems and separation processes
(This special issue belongs to the Section Sustainable Processes)
Nanofluid Innovations: Recent Advances in Synthesis, Properties and Multifunctional Applications submission deadline 20 Sep 2026 | Viewed by 235 | Submission Open
Keywords: nanofluids; thermal conductivity enhancement; dielectric properties; heat transfer applications; stability and dispersion; industrial applications; synthesis and characterization; simulation and modeling
(This special issue belongs to the Section Chemical Processes and Systems)
Experimental and Numerical Study of Flame Propagation of Biofuels/Oxidizers/Inert Mixtures (Third Edition)
edited by
submission deadline 20 Sep 2026 | Viewed by 199 | Submission Open
Keywords: combustion of fuels; explosion; biofuels; explosion parameters; burning velocities; simulations
(This special issue belongs to the Section Energy Systems)
Heat Transfer Enhancement in Thermal Energy Storage Systems: Process Engineering and Fluid Dynamics (CFD) Perspectives
edited by and Aldo Rona
submission deadline 20 Sep 2026 | Viewed by 191 | Submission Open
Keywords: thermal energy storage; heat transfer enhancement; computational fluid dynamics; sensible heat storage; latent heat storage; porous media; packed bed storage; multiphase flow; energy systems
(This special issue belongs to the Section Energy Systems)
Advanced Adsorptive and Catalytic Processes for the Targeted Removal of Emerging Contaminants
edited by
submission deadline 20 Sep 2026 | Viewed by 116 | Submission Open
Keywords: emerging contaminations; adsorption; catalytic processes; hybrid processes; water treatment; removal; purification; adsorbents
(This special issue belongs to the Section Environmental and Green Processes)
Materials Design for Electrocatalytic Energy Conversion and Storage
edited by Jiachen Li
submission deadline 20 Sep 2026 | Viewed by 75 | Submission Open
Keywords: electrocatalysis; energy materials; materials characterization; high-throughput and autonomous experimentation; AI for materials
(This special issue belongs to the Section Catalysis Enhanced Processes)
Control of Environmental Conditions and Technological Advances in Probiotic Fermentation submission deadline 22 Sep 2026 | 1 articles | Viewed by 4174 | Submission Open
Keywords: probiotic fermentation; environmental conditions; process optimisation; bioreactors; encapsulation; omics approaches; stress adaptation; mathematical modelling
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Interactions of Polymers in Emulsion Systems submission deadline 25 Sep 2026 | 4 articles | Viewed by 8160 | Submission Open
Keywords: polymer– surfactant interactions; polymer– polymer interactions; emulsions; adsorption on the interface; polymers; biopolymers; disperse systems; interfacial properties
(This special issue belongs to the Section Chemical Processes and Systems)
Process Control and Optimization in the Era of Industry 5.0
edited by , , and Zhonggai Zhao
submission deadline 25 Sep 2026 | 4 articles | Viewed by 3516 | 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)
Cutting‐Edge Strategies in Zeolite Synthesis, CO2 Utilization and Machine Learning-Driven Catalysis
edited by and Juan J. Villora-Picó
submission deadline 25 Sep 2026 | Viewed by 612 | Submission Open
Keywords: zeolite synthesis; CO2 utilization; machine learning; catalysis; catalyst design; high-throughput screening; carbon capture conversion; process intensification; hierarchical zeolites
(This special issue belongs to the Section Catalysis Enhanced Processes)
Application of Surface-Enhanced Raman Spectroscopy (SERS) in Chemical and Life Sciences
edited by Konstantinos I. Chatzipanagis and Dimitrios Palles
submission deadline 25 Sep 2026 | Viewed by 532 | Submission Open
Keywords: surface plasmons; metallic nanostructures; Raman signal enhancement; high detection sensitivity
(This special issue belongs to the Section Environmental and Green Processes)
Process Control and Modeling of Welding submission deadline 25 Sep 2026 | Viewed by 386 | Submission Open
Keywords: process control; modeling welding; real-time sensing; machine learning; melt-pool dynamics; adaptive welding control; welding intelligence
(This special issue belongs to the Section Manufacturing Processes and Systems)
Multiscale Numerical Simulation of Multiphase Flow and Heat and Mass Transfer
edited by and
submission deadline 25 Sep 2026 | Viewed by 280 | Submission Open
Keywords: multiphase flow; heat and mass transfer; multiscale modeling; numerical simulation; porous media; thermo– hydro– mechanical– chemical modeling; geological disposal; interface tracking methods; upscaling techniques; machine learning in computational mechanics
(This special issue belongs to the Section Chemical Processes and Systems)
Distributed Renewable Generation, Microgrids, and Energy Storage for Sustainable Power Systems
edited by and Musa Yilmaz
submission deadline 25 Sep 2026 | Viewed by 266 | Submission Open
Keywords: distributed generation; renewable energy integration; energy storage systems; smart grid; solar power; wind energy; biomass energy; microgrids; energy management systems; techno-economic analysis
(This special issue belongs to the Section Energy Systems)
Advanced Anaerobic Digestion and Biological Processes for Wastewater Treatment and Resource Recovery
edited by and Xiaoxia Luo
submission deadline 25 Sep 2026 | Viewed by 195 | Submission Open
Keywords: anaerobic digestion; resource recovery; wastewater treatment; bioenergy production; microbial biotechnology
(This special issue belongs to the Section Environmental and Green Processes)
Solid Waste Treatment and Value-Added Utilization of Phosphate-Related Wastes
edited by Yassine Ennaciri and
submission deadline 25 Sep 2026 | Viewed by 144 | Submission Open
Keywords: phosphate wastes; by-products; purification; treatment; characterization
(This special issue belongs to the Section Environmental and Green Processes)
Green Technologies for Food Processing
edited by
submission deadline 30 Sep 2026 | 10 articles | Viewed by 20581 | 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)
Advances in Solid Waste Treatment and Design (2nd Edition)
edited by
submission deadline 30 Sep 2026 | 7 articles | Viewed by 17750 | Submission Open
Keywords: zero waste; resource recycling; circular economy; treatment; waste management; waste-to-energy
(This special issue belongs to the Section Environmental and Green Processes)
Sustainable Hydrogen Technologies and Their Value Chains
edited by
submission deadline 30 Sep 2026 | 2 articles | Viewed by 12909 | 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)
Optimization and Analysis of Energy System
edited by Iván García Kerdan
submission deadline 30 Sep 2026 | 12 articles | Viewed by 6369 | Submission Open
Keywords: energy systems optimization; renewable energy integration; grid resilience; machine learning in energy systems; artificial intelligence for energy management; digital twins in energy; energy systems analysis; sustainable energy
(This special issue belongs to the Section Chemical Processes and Systems)
Process Modeling, Simulation, and Optimization in Chemical Engineering submission deadline 30 Sep 2026 | 3 articles | Viewed by 5722 | Submission Open
Keywords: process modeling; process simulation; process optimization; chemical engineering; techno-economic analysis; environmental impact; integration of renewable energies; artificial intelligence in chemical processes; sustainable processes; advanced process control
(This special issue belongs to the Section Chemical Processes and Systems)
Innovative Techniques for the Control of Linear and Nonlinear Systems and Processes submission deadline 30 Sep 2026 | 3 articles | Viewed by 5666 | Submission Open
Keywords: linear and nonlinear control; robotics; manufacturing processes; fault-tolerant control; extended state observers; underactuated systems; discrete-event systems; sustainability; process control
(This special issue belongs to the Section AI-Enabled Process Engineering)
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