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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Emerging Pollutants in the Environment: Sources, Effects, Monitoring and Governance
edited by and Yang Cao
submission deadline 15 Feb 2026 | Viewed by 348 | Submission Open
Keywords: endocrine-disrupting compounds; pharmaceutical and personal care products; disinfection byproducts; microplastics; persistent organic chemicals; PFOS and PFOA; advanced materials
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Zeolite Catalysts in Sustainable Industrial Processes
edited by Zhongpan Hu and Zhikang Xu
submission deadline 17 Feb 2026 | Viewed by 176 | Submission Open
Keywords: zeolite; metal– zeolites; alkane conversion; CO2 utilization; synthesis method; in situ spectroscopy
(This special issue belongs to the Section Chemical Processes and Systems)
Sustainable Innovations in Cement-Based Materials and Solid Waste Utilization
edited by Aydin Shishegaran
submission deadline 18 Feb 2026 | Viewed by 299 | Submission Open
Keywords: sustainable development; cement-based material; recycling; reusing solid waste; material properties; simulation; artificial intelligence; multi-criteria decision analysis
Advanced Ladle Metallurgy and Secondary Refining submission deadline 20 Feb 2026 | 8 articles | Viewed by 13624 | Submission Open
Keywords: ladle; secondary refining; clean steel; inclusions; steelmaking; refractory; physical modeling; CFD; slags; vacuum degassing
(This special issue belongs to the Section Manufacturing Processes and Systems)
Application and Development of Ultrasonic Technology in Food Processing submission deadline 20 Feb 2026 | 6 articles | Viewed by 13455 | Submission Open
Keywords: ultrasonic treatment; food processing; extraction; preservation; mixing; emulsification; homogenization; freezing; drying; ultrasonic cleaning
(This special issue belongs to the Section Food Process Engineering)
The Recycling Process of Agro-Industrial Waste submission deadline 20 Feb 2026 | 2 articles | Viewed by 6325 | 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)
Recycling and Value-Added Utilization of Secondary Resources
edited by Jiawei Wen, Wenhao Yu and
submission deadline 20 Feb 2026 | 2 articles | Viewed by 4960 | 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)
Modeling, Simulation and Control of Industrial Processes
edited by Guihua Hu
submission deadline 20 Feb 2026 | 3 articles | Viewed by 4767 | 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)
Green Metallurgical Process and Technology
edited by Xin Yao and Huaqing Xie
submission deadline 20 Feb 2026 | 3 articles | Viewed by 4667 | Submission Open
Keywords: hydrogen smelting; hydrogen-rich blast furnace injection; hydrogen base shaft furnace direct reduction; CO2 resource utilization; low-carbon smelting; high-nitrogen steel; metallurgical slag; waste heat recovery; energy conversion and clean utilization; electric furnace steelmaking
(This special issue belongs to the Section Energy Systems)
Membrane Technologies for Desalination and Wastewater Treatment
edited by
submission deadline 20 Feb 2026 | 1 articles | Viewed by 2758 | 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)
Graphene Oxide: From Synthesis to Applications
edited by Sonja Jovanović, Zoran Jovanović and
submission deadline 20 Feb 2026 | 2 articles | Viewed by 1912 | Submission Open
Keywords: graphene oxide; synthesis; functionalization of graphene oxide; graphene-based composites; energy storage and conversion; catalysis; sensing; optoelectronics; environmental applications; biomedical applications
(This special issue belongs to the Section Materials Processes)
Applications of Electrochemical Technology in Wastewater Treatment and Seawater Desalination
edited by Tanja Brdaric and
submission deadline 20 Feb 2026 | 1 articles | Viewed by 1082 | Submission Open
Keywords: wastewater treatment; seawater desalination; electrocatalysts; electrode materials; electrochemical advanced oxidation processes (EAOPs); removal of organic pollutants; removal of heavy metals; kinetic studies; mechanism studies; toxicological studies
(This special issue belongs to the Section Environmental and Green Processes)
Process Optimization and Challenges of Hydraulic Fracturing in Energy Systems submission deadline 20 Feb 2026 | 1 articles | Viewed by 607 | Submission Open
Keywords: hydraulic fracturing; unconventional gas development; fracture propagation control; proppant transport efficiency; multiphysics modeling; methane emission mitigation
(This special issue belongs to the Section Energy Systems)
The Properties and Application Progress of Graphene Materials
edited by Carlos A.T. Toloza
submission deadline 20 Feb 2026 | Viewed by 200 | Submission Open
Keywords: graphene; nanomaterials; functionalization; energy storage; sensors; composites; catalysis; biomedical applications; environmental applications; simulation
(This special issue belongs to the Section Energy Systems)
Machine Learning-Enabled Reservoir Dynamics Prediction and Recovery Factor Optimization
edited by , and Arifur Rahman
submission deadline 23 Feb 2026 | Viewed by 1163 | Submission Open
Keywords: machine/deep learning and explainable AI; data-driven optimization; reservoir dynamics and geomechanics; unconventional and geothermal reservoirs; production forecasting; enhanced oil recovery techniques
(This special issue belongs to the Section AI-Enabled Process Engineering)
Advances in Solid Waste Treatment and Design (2nd Edition)
edited by
submission deadline 25 Feb 2026 | 7 articles | Viewed by 14416 | 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)
Advances in Detection, Control and Optimization of Low-Carbon Energy Systems
edited by Jing Zhou, Xiaofeng Wu and
submission deadline 25 Feb 2026 | 9 articles | Viewed by 11475 | Submission Open
Keywords: modeling and system optimization; low-carbon energy system; clean combustion technology; thermal analyses of energy systems; thermal management; signal processing; big data analysis
(This special issue belongs to the Section Energy Systems)
Model Predictive Control of Heating and Cooling Systems
edited by and Xu Jin
submission deadline 25 Feb 2026 | 5 articles | Viewed by 8090 | Submission Open
Keywords: numerical modelling; air-conditioning; cooling and heating; energy and buildings; energy storage systems; heat pump systems; renewable energy integration
(This special issue belongs to the Section Energy Systems)
Advances in Computational Chemistry for Reaction Mechanisms
edited by Kai Chen and Abing Duan
submission deadline 25 Feb 2026 | Viewed by 816 | 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 181 | 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 1291 | 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)
Two-Dimensional Materials as Electrocatalysts for Energy and Environmental Applications
edited by and Biljana Šljukić
submission deadline 27 Feb 2026 | Viewed by 405 | 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 | 11 articles | Viewed by 43013 | 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 33627 | 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 | 10 articles | Viewed by 33479 | 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 18091 | 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 17576 | 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 16090 | 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)
Advanced Technologies of Renewable Energy Sources (RESs)
edited by , Katleho Moloi and Agha F. Nnachi
submission deadline 28 Feb 2026 | 6 articles | Viewed by 11740 | 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)
Flow Mechanisms and Enhanced Oil Recovery
edited by , Hailong Zhao and
submission deadline 28 Feb 2026 | 12 articles | Viewed by 11543 | 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)
Modeling, Operation and Control in Renewable Energy Systems submission deadline 28 Feb 2026 | 10 articles | Viewed by 10992 | 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)
Sustainable Hydrogen Technologies and Their Value Chains
edited by
submission deadline 28 Feb 2026 | 2 articles | Viewed by 10724 | 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 9940 | Submission Open
Keywords: new power systems; power quality; distributed generation; energy storage; flexible resources
(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 9887 | 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)
Multiscale Modeling and Numerical Simulation of Multiphase Flow submission deadline 28 Feb 2026 | 3 articles | Viewed by 8985 | 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 8038 | Submission Open
Keywords: biofuel; wastewater treatment; waste biomass
(This special issue belongs to the Section Environmental and Green Processes)
Sediment Contamination and Metal Removal from Wastewater
edited by Yahya El Hammoudani, Khadija Haboubi and Fouad Dimane
submission deadline 28 Feb 2026 | 3 articles | Viewed by 7523 | 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 | 4 articles | Viewed by 6509 | Submission Open
Keywords: bioenergy; biomass transformation technologies; biomass pretreatment; waste revaluation; advanced biofuels; hybrid biofuels.
(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 28 Feb 2026 | 4 articles | Viewed by 5940 | Submission Open
Keywords: CFD; FEM; thermodynamics; cooling blades; heat transfer; optimization; NOx; CO2 capture
(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 5819 | 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 | 3 articles | Viewed by 4212 | 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)
Advanced Separation and Extraction Processes for Effective Resource Utilization
edited by Ahmed Sobhy
submission deadline 28 Feb 2026 | 5 articles | Viewed by 3838 | 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)
High-Value-Added Utilization of Food and Food By-Products submission deadline 28 Feb 2026 | 2 articles | Viewed by 3654 | 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)
Clean Combustion and Emission Control Technologies
edited by Renjie Zou, Yang Xu, Xuelei Duan and Lin Cui
submission deadline 28 Feb 2026 | 2 articles | Viewed by 3273 | 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)
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 2057 | 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)
Safety Monitoring and Intelligent Diagnosis of Mining Processes
edited by Biao Xie and
submission deadline 28 Feb 2026 | 5 articles | Viewed by 1930 | 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)
Innovative Robotic Process Control in Agriculture: Enhancing Efficiency and Sustainability
edited by Jingyao Gai and Jiqing Chen
submission deadline 28 Feb 2026 | 2 articles | Viewed by 1909 | 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)
Engineered Geothermal Systems (EGS): Advances in Exploration, Thermal Storage, and Energy Utilization
edited by
submission deadline 28 Feb 2026 | 2 articles | Viewed by 1471 | 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)
Machine Learning Models for Sustainable Composite Materials submission deadline 28 Feb 2026 | 1 articles | Viewed by 895 | 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)
Environmental Fate, Ecological Impact and Treatment of Emerging Organic Pollutants (EOPs) submission deadline 28 Feb 2026 | Viewed by 633 | 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)
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