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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Two-Dimensional Materials as Electrocatalysts for Energy and Environmental Applications
edited by and Biljana Šljukić
submission deadline 27 Feb 2026 | Viewed by 326 | Submission Open
Keywords: two-dimensional materials; electrocatalysis; energy conversion; environmental applications; hydrogen evolution reaction (HER); oxygen evolution/reduction reactions (OER/ORR); carbon dioxide reduction (CO₂RR); transition  metal dichalcogenides (TMDs); MXenes; defect engineering
(This special issue belongs to the Section Chemical Processes and Systems)
Recent Trends in Extractive Metallurgy submission deadline 28 Feb 2026 | 10 articles | Viewed by 28577 | Submission Open
Keywords: extractive metallurgy process; hydrometallurgy; pyrometallurgy; electrometallurgy; flotation; remedation; green processes
(This special issue belongs to the Section Manufacturing Processes and Systems)
Non-thermal Technologies in Food Science, 2nd Edition submission deadline 28 Feb 2026 | 9 articles | Viewed by 28573 | Submission Open
Keywords: high hydrostatic pressure; ozone; plasma; pulsed electric fields; pulsed light; supercritical; carbon dioxide; ultrasound; UV-C irradiation
(This special issue belongs to the Section Food Process Engineering)
Machine Learning, Control, and Optimization in Manufacturing and Industry 4.0
edited by
submission deadline 28 Feb 2026 | 7 articles | Viewed by 25559 | Submission Open
Keywords: machine learning; mechanical engineering; engineering design optimization; optimal control; aerospace engineering; design under uncertainty; reinforcement learning; surrogate modeling; manufacturing
(This special issue belongs to the Section Manufacturing Processes and Systems)
Research on Battery Energy Storage in Renewable Energy Systems
edited by and
submission deadline 28 Feb 2026 | 6 articles | Viewed by 15097 | Submission Open
Keywords: battery energy storage; modeling; safety; thermal management; integration; optimization
(This special issue belongs to the Section Energy Systems)
Drying Kinetics and Quality Control in Food Processing, 2nd Edition submission deadline 28 Feb 2026 | 7 articles | Viewed by 12911 | Submission Open
Keywords: drying; kinetics; dehydration; rehydration; modeling; simulation; texture; shelf life; mass transfer; transport phenomena
(This special issue belongs to the Section Food Process Engineering)
Green Technologies for Food Processing
edited by
submission deadline 28 Feb 2026 | 6 articles | Viewed by 10628 | 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)
Unconventional Energy, Clean Energy and Carbon Sequestration: Progress in Technology
edited by , Quangui Li, and Guanhua Ni
submission deadline 28 Feb 2026 | 11 articles | Viewed by 10261 | Submission Open
Keywords: unconventional energy resources; coalbed methane; shale gas; reservoir stimulation technology; geo-carbon sequestration; clean energy
(This special issue belongs to the Section Energy Systems)
Multiscale Modeling and Numerical Simulation of Multiphase Flow submission deadline 28 Feb 2026 | 3 articles | Viewed by 8181 | Submission Open
Keywords: multiphase flow; particle; numerical simulation; heat and mass transfer; multiscale models
(This special issue belongs to the Section Process Control and Monitoring)
Process Intensification for Waste Valorization submission deadline 28 Feb 2026 | 2 articles | Viewed by 7297 | Submission Open
Keywords: biofuel; wastewater treatment; waste biomass
(This special issue belongs to the Section Environmental and Green Processes)
Modeling, Operation and Control in Renewable Energy Systems submission deadline 28 Feb 2026 | 8 articles | Viewed by 7091 | Submission Open
Keywords: stability analysis and control in power system; renewable integrated energy system; PV/wind turbine application technologies; electricity/carbon markets; carbon capture; utilization and storage; fuel cell systems; high-voltage technologies
(This special issue belongs to the Section Energy Systems)
Flow Mechanisms and Enhanced Oil Recovery
edited by , Hailong Zhao and
submission deadline 28 Feb 2026 | 8 articles | Viewed by 7055 | 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 6921 | 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)
Advanced Technologies of Renewable Energy Sources (RESs)
edited by , Katleho Moloi and Agha F. Nnachi
submission deadline 28 Feb 2026 | 5 articles | Viewed by 6781 | Submission Open
Keywords: renewable energy technologies; solar power; wind energy; biomass conversion; energy storage solutions; geothermal energy; smart grid integration; sustainable energy systems; energy efficiency; hybrid renewable systems
(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 6571 | 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)
Analysis and Control of New Power System with Multiple Types of Flexible Resources
edited by and Jiayan Liu
submission deadline 28 Feb 2026 | 3 articles | Viewed by 5448 | Submission Open
Keywords: new power systems; power quality; distributed generation; energy storage; flexible resources
(This special issue belongs to the Section Energy Systems)
Sediment Contamination and Metal Removal from Wastewater
edited by Yahya El Hammoudani, Khadija Haboubi and Fouad Dimane
submission deadline 28 Feb 2026 | 1 articles | Viewed by 4873 | Submission Open
Keywords: sediment contamination; heavy metal removal; wastewater treatment; environmental remediation; sustainable technologies
(This special issue belongs to the Section Environmental and Green Processes)
Biomass Energy Conversion for Efficient and Sustainable Utilization submission deadline 28 Feb 2026 | 2 articles | Viewed by 4640 | Submission Open
Keywords: bioenergy; biomass transformation technologies; biomass pretreatment; waste revaluation; advanced biofuels; hybrid biofuels.
(This special issue belongs to the Section Energy Systems)
Trends in Biochemical Processing Techniques
edited by Alberto Ordaz, Juan Silvestre Aranda-Barradas and Claudia Guerrero–Barajas
submission deadline 28 Feb 2026 | 2 articles | Viewed by 3530 | Submission Open
Keywords: biochemical processing; fermentation technologies; biocatalysis; biomolecule purification; biotechnological systems; process optimization; interdisciplinary approaches; modeling and simulation; process efficiency; sustainability in bioprocessing
(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 28 Feb 2026 | 2 articles | Viewed by 2301 | 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)
High-Value-Added Utilization of Food and Food By-Products submission deadline 28 Feb 2026 | 1 articles | Viewed by 2146 | Submission Open
Keywords: nutraceutical compounds; vegetable and fruit by-products; circular bioeconomy; eco-efficiency; food wastage; novel methodologies; food safety; sustainability; traceability; waste fermentation; product valorize
(This special issue belongs to the Section Food Process Engineering)
Fluid Dynamics and Thermodynamic Studies in Gas Turbine
edited by and Laura Lilia Castro Gomez
submission deadline 28 Feb 2026 | 3 articles | Viewed by 1613 | Submission Open
Keywords: CFD; FEM; thermodynamics; cooling blades; heat transfer; optimization; NOx; CO2 capture
(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 | 2 articles | Viewed by 1611 | 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)
Applications of Multifunctional Materials and Novel Engineering Techniques
edited by Jih-Hsin Liu, Chia-Hao Chen and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1445 | Submission Open
Keywords: multifunctional materials; advanced manufacturing; hybrid systems; computational modeling; energy applications; nanotechnology; biomedical engineering; environmental applications; process optimization; novel fabrication techniques
(This special issue belongs to the Section Manufacturing Processes and Systems)
Clean Combustion and Emission Control Technologies
edited by Renjie Zou, Yang Xu, Xuelei Duan and Lin Cui
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1252 | Submission Open
Keywords: combustion; pyrolysis; gasification; pollutant; biomass; hydrogen/ammonia; DeNOx/SO2; adsorption/absorption; catalysis; modelling
(This special issue belongs to the Section Energy Systems)
Advanced Separation and Extraction Processes for Effective Resource Utilization
edited by Ahmed Sobhy
submission deadline 28 Feb 2026 | 2 articles | Viewed by 1138 | Submission Open
Keywords: separation processes; resource recovery; extraction technologies; sustainable engineering; process intensification; hydrometallurgy; waste valorization; circular economy; critical minerals
(This special issue belongs to the Section Chemical Processes and Systems)
Innovative Robotic Process Control in Agriculture: Enhancing Efficiency and Sustainability
edited by Jingyao Gai and Jiqing Chen
submission deadline 28 Feb 2026 | 1 articles | Viewed by 709 | 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)
Environmental Fate, Ecological Impact and Treatment of Emerging Organic Pollutants (EOPs) submission deadline 28 Feb 2026 | Viewed by 566 | Submission Open
Keywords: emerging organic pollutants (EOPs); pharmaceuticals and personal care products (PPCPs); transformation products; disinfection by-products; wastewater treatment; chlorination; advanced oxidation processes; micropollutants; toxicity; environmental protection; sorption on microplastics; endocrine disruptors
(This special issue belongs to the Section Environmental and Green Processes)
Machine Learning Models for Sustainable Composite Materials submission deadline 28 Feb 2026 | 1 articles | Viewed by 397 | Submission Open
Keywords: data-driven modeling; composite materials and structures; machine learning; reinforced concrete; optimization; composites in armor design; thin-walled structures; lightweight structures; artificial intelligence; sustainability
(This special issue belongs to the Section Sustainable Processes)
Recent Advances in Thermodynamic Modeling of Ionic Liquids for Energy Applications
edited by Luis A. Follegatti-Romero and Murilo Leite Alcantara
submission deadline 28 Feb 2026 | Viewed by 300 | Submission Open
Keywords: thermodynamic modeling; phase equilibria; electrostatic interaction; intelligent design and simulation; properties of ILs; separation processes; CO2 capture and conversion; biofuel production; electrochemical energy storage; heat transfer and storage
(This special issue belongs to the Section Chemical Processes and Systems)
Process Control and Modeling of Welding submission deadline 28 Feb 2026 | Viewed by 247 | 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)
Research on Seawater Desalination and Water Treatment Using Membrane Materials
edited by , and
submission deadline 28 Feb 2026 | Viewed by 229 | Submission Open
Keywords: water treatment; seawater desalination; membrane materials; anti-fouling; renewable energy-driven systems
(This special issue belongs to the Section Environmental and Green Processes)
Safety Monitoring and Intelligent Diagnosis of Mining Processes
edited by Biao Xie and
submission deadline 28 Feb 2026 | Viewed by 204 | Submission Open
Keywords: mine fire detection; mine water inrush warning; gas disaster monitoring and prevention; mine dust control; strata pressure behavior analysis; mine intelligent ventilation; microseismic monitoring technology; real-time risk assessment; disaster evolution simulation; intelligent fault diagnosis
(This special issue belongs to the Section AI-Enabled Process Engineering)
Process Safety and Control Strategies for Urban Clean Energy Systems submission deadline 28 Feb 2026 | Viewed by 199 | Submission Open
Keywords: urban clean energy safety; renewable energy risk assessment; battery storage hazards; hydrogen infrastructure safety; safety simulation frameworks; failure mode prediction
(This special issue belongs to the Section Energy Systems)
Emerging Processes in the Design, Modeling, Application and Control of Permanent Magnet Electrical Machines
edited by
submission deadline 28 Feb 2026 | Viewed by 184 | Submission Open
Keywords: permanent magnet machines; electrical PM drives; multiphase PMMs; winding design; efficiency enhancement; finite element analysis; power loss minimization
(This special issue belongs to the Section Automation Control Systems)
Engineered Geothermal Systems (EGS): Advances in Exploration, Thermal Storage, and Energy Utilization
edited by
submission deadline 28 Feb 2026 | Viewed by 130 | Submission Open
Keywords: engineered geothermal systems (EGS); subsurface energy storage; geothermal reservoir stimulation; geothermal energy modeling; rock mechanics; Reservoir Geomechanics; hot dry rock; heat extraction; heat utilization; energy transition; machine learning in geothermal systems; sustainable geothermal development; techno-economic analysis
(This special issue belongs to the Section Energy Systems)
Optimization and Analysis of Energy System
edited by Iván García Kerdan
submission deadline 28 Feb 2026 | Viewed by 129 | 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)
Computational Modeling and Data Analysis in Biological and Health-Related Processes
edited by and Yunyun Zhou
submission deadline 28 Feb 2026 | Viewed by 127 | Submission Open
Keywords: computational modeling; systems biology; artificial intelligence (AI); data analysis; bioprocess optimization; multi-modal data integration; biomarker discovery; sensitivity analysis; decision-support systems
Advanced Technology in Food Processing submission deadline 28 Feb 2026 | Viewed by 120 | Submission Open
Keywords: emerging food technologies; sustainable food production; non-thermal food processing; process optimization; green extraction; food safety; food quality; food engineering
(This special issue belongs to the Section Food Process Engineering)
Optimised Pathways for Biomass Conversion into Value-Added By-Products submission deadline 28 Feb 2026 | Viewed by 100 | Submission Open
Keywords: biomass by-products; bio-based materials; biorefineries; circular bioeconomy; process optimisation; sustainable development; biomass valorisation; biofuels; green technologies; waste to wealth
(This special issue belongs to the Section Biological Processes and Systems)
Microelectronics Processing Technologies: Current Status and Prospects submission deadline 28 Feb 2026 | Viewed by 88 | Submission Open
Keywords: microelectronics; semiconductor processes MEMS/NEMS integration; fabrication; thermal management; process modeling; packaging; yield and reliability; advanced materials
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advances in Alternative Fuel Engines and Combustion Technology
edited by Pengbo Dong, Dongsheng Dong and Fuxing Wei
submission deadline 28 Feb 2026 | Viewed by 80 | Submission Open
Keywords: alternative fuel; combustion; emission; engine
(This special issue belongs to the Section Chemical Processes and Systems)
Electronic Structure and Magnetic Control in Novel Quantum Materials
edited by
submission deadline 28 Feb 2026 | Viewed by 71 | Submission Open
Keywords: topological materials; 2D magnetic materials; electronic structure; dirac semimetals; magnetic topological insulators
(This special issue belongs to the Section Manufacturing Processes and Systems)
Hybrid Propulsion Systems: Design, Power Management and Control
edited by , Congbiao Sui and La Xiang
submission deadline 28 Feb 2026 | Viewed by 63 | Submission Open
Keywords: hybrid propulsion; design and optimization; energy efficiency; operational safety; power management; control
(This special issue belongs to the Section Energy Systems)
Advanced Catalytic Materials for Oxidation and Reduction Processes in Environmental Systems submission deadline 28 Feb 2026 | Viewed by 50 | Submission Open
Keywords: heterogeneous catalysis; photocatalysis; electrocatalysis; advanced oxidation processes; environmental remediation; water treatment; pollutant degradation; green chemistry; catalyst reusability; sustainable catalysis
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Carbon Capture Processes and Energy-Production Alternatives
edited by Gretta Ferrufino and Carlos Manuel Romero Luna
submission deadline 28 Feb 2026 | Viewed by 43 | Submission Open
Keywords: CO2 capture processes; post-combustion; pre-combustion; pyrolysis; CO2 sorbent; biomass and industrial wastes; calcium looping; chemical looping; energy storage; gasification and hydrogen; ACV; BECCS
(This special issue belongs to the Section Energy Systems)
Advances in Renewable Energy Systems (2nd Edition)
edited by , Virgilio Ciancio and Jacopo Dell’Olmo
submission deadline 5 Mar 2026 | 13 articles | Viewed by 26535 | Submission Open
Keywords: alternative energy sources; eco-compatible energy end uses; availability of renewable energy systems; economic impacts of renewable energy; climate change
(This special issue belongs to the Section Energy Systems)
Advanced Spectrometric and Electronic Determination Technology in Food and Biochemical Analysis submission deadline 5 Mar 2026 | Viewed by 77 | Submission Open
Keywords: food quality; hyperspectral imaging; near-infrared spectroscopy; nuclear magnetic resonance; process control; Raman spectroscopy
(This special issue belongs to the Section Food Process Engineering)
Non-ferrous Metal Metallurgy and Its Cleaner Production submission deadline 10 Mar 2026 | 5 articles | Viewed by 9573 | 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)
Extraction, Separation, and Purification of Bioactive Compounds
edited by Martina Jakovljević Kovač and
submission deadline 10 Mar 2026 | 4 articles | Viewed by 4874 | Submission Open
Keywords: extraction; purification; bioactive components; solvents; chromatography; optimization; innovative techniques
(This special issue belongs to the Section Separation Processes)
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