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 | 7 articles | Viewed by 24063 | 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 | 5 articles | Viewed by 17618 | 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 | 6 articles | Viewed by 9290 | 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 | 4 articles | Viewed by 7431 | 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 | 3 articles | Viewed by 6039 | 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 5057 | 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 4675 | 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 3776 | 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 | 2 articles | Viewed by 2147 | 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 1558 | 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, Modeling and Optimization)
Applications of Non-Thermal and Thermal Technologies in Food Processing, 2nd Edition submission deadline 15 Sep 2026 | 7 articles | Viewed by 24116 | 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 | 8 articles | Viewed by 17454 | 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)
Fluid Dynamics and Thermodynamic Studies in Gas Turbine
edited by and Laura Lilia Castro Gomez
submission deadline 15 Sep 2026 | 8 articles | Viewed by 13576 | Submission Open
Keywords: CFD; FEM; thermodynamics; cooling blades; heat transfer; optimization; NOx; CO2 capture
(This special issue belongs to the Section Energy 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 13191 | 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)
Biomass Energy Conversion for Efficient and Sustainable Utilization submission deadline 15 Sep 2026 | 5 articles | Viewed by 9806 | 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 | 7 articles | Viewed by 9542 | 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)
Numerical Simulation for Engineering Safety: Applications in Engineering Field
edited by Tao Zhang, Yaoyao Meng and Liyuan Yu
submission deadline 15 Sep 2026 | 13 articles | Viewed by 7342 | 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)
Biomass Treatment and Pyrolysis Processes
edited by and Milan Z. Momčilović
submission deadline 15 Sep 2026 | 5 articles | Viewed by 6797 | 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 4931 | 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)
2nd Edition of Green Particle Technologies: Processes and Applications
edited by , and Wei Liu
submission deadline 15 Sep 2026 | 2 articles | Viewed by 3270 | 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)
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 | 3 articles | Viewed by 1980 | Submission Open
Keywords: alloys; heat treatment; thermal stability; microstructure; phase transformations; precipitation strengthening; mechanical properties
(This special issue belongs to the Section Materials Processes)
Extraction and Application Process of Bioactive Substances
edited by , Jesús Alejandro Claudio-Rizo and
submission deadline 15 Sep 2026 | 1 articles | Viewed by 1583 | 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)
Artificial Intelligence (AI), Machine Learning (ML), and Intelligent Robotics for Advanced Industrial Processes
edited by
submission deadline 15 Sep 2026 | 1 articles | Viewed by 1392 | 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 7751 | 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 | 4 articles | Viewed by 5559 | 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 2718 | 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 1393 | 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 394 | 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)
Materials Design for Electrocatalytic Energy Conversion and Storage
edited by Jiachen Li
submission deadline 20 Sep 2026 | Viewed by 165 | 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 5352 | 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 10148 | 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 | 5 articles | Viewed by 5692 | 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, Modeling and Optimization)
Multiscale Numerical Simulation of Multiphase Flow and Heat and Mass Transfer
edited by and
submission deadline 25 Sep 2026 | 1 articles | Viewed by 907 | 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)
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 727 | 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 683 | Submission Open
Keywords: surface plasmons; metallic nanostructures; Raman signal enhancement; high detection sensitivity
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Anaerobic Digestion and Biological Processes for Wastewater Treatment and Resource Recovery
edited by and Xiaoxia Luo
submission deadline 25 Sep 2026 | Viewed by 368 | 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 334 | 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 25227 | 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 | 11 articles | Viewed by 23398 | 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 | 3 articles | Viewed by 16251 | 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)
Advanced Research on Marine and Deep Oil & Gas Development
edited by , Xiaohui Sun and Wenqiang Lou
submission deadline 30 Sep 2026 | 15 articles | Viewed by 15912 | Submission Open
Keywords: oil and gas development; marine; deep strata; drilling; multiphase flow; flow assurance; pressure control; production increase; intelligence development; environmental safety
Optimization and Analysis of Energy System
edited by Iván García Kerdan
submission deadline 30 Sep 2026 | 18 articles | Viewed by 15022 | 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)
2nd Edition of Applications of Computational Fluid Dynamics (CFD) in Chemical Process Simulations
edited by and
submission deadline 30 Sep 2026 | 5 articles | Viewed by 8367 | Submission Open
Keywords: fluid flow; multiphase; complex fluids; heat transfer; mass transfer; process intensification
(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 | 5 articles | Viewed by 8071 | 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)
Process Modeling, Simulation, and Optimization in Chemical Engineering submission deadline 30 Sep 2026 | 4 articles | Viewed by 7869 | 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)
Process Engineering: Process Design, Control, and Optimization submission deadline 30 Sep 2026 | 6 articles | Viewed by 7142 | 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, Modeling and Optimization)
Processing and Applications of Polymer Composite Materials
edited by Antônio Benjamim Mapossa
submission deadline 30 Sep 2026 | 6 articles | Viewed by 6740 | Submission Open
Keywords: polymer composites; processing techniques; additives; fibers; membranes; hybrid matrix; performance
(This special issue belongs to the Section Chemical Processes and Systems)
AI-Driven Advanced Process Control for Smart Energy Systems
edited by , and
submission deadline 30 Sep 2026 | 3 articles | Viewed by 5247 | Submission Open
Keywords: intelligent process control; artificial intelligence; model-free control; data-driven control; nonlinear systems; HVDC and optimal power flow; renewable and electric vehicles; controller monitoring; sustainable control solutions; real-time decision-making
(This special issue belongs to the Section Process Control, Modeling and Optimization)
Applications of Natural and Synthetic Derivatives in Pharmaceutical Industries submission deadline 30 Sep 2026 | 2 articles | Viewed by 4235 | Submission Open
Keywords: natural derivatives; synthetic derivatives; pharmaceutical applications; drug discovery; bioactive compounds; extraction and synthesis processes; natural product chemistry; synthetic methodologies; sustainable practices; drug development and formulation; therapeutic innovation; industrial pharmaceutical processes; analytical technologies
(This special issue belongs to the Section Pharmaceutical Processes)
Eco-Friendly Drilling Fluids: Biodegradable Formulations and Performance Evaluation submission deadline 30 Sep 2026 | 1 articles | Viewed by 3672 | Submission Open
Keywords: eco-friendly drilling fluids; biodegradable drilling fluids; sustainable drilling technologies; green drilling additives; bio-based polymers; nanotechnology, drilling fluid performance evaluation; rheology of drilling fluids; filtration control; fracture mechanics
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