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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Research on Water Pollution Control and Remediation Technology
edited by
submission deadline 10 Aug 2025 | 2 articles | Viewed by 1524 | Submission Open
Keywords: water pollution; remediation technology; new technologies in environmental; sciences; remediation; environmental waste
(This special issue belongs to the Section Environmental and Green Processes)
Development and Application of Microalgae and Microalgae–Bacteria Biotechnologies
edited by , Francisco J. Choix and
submission deadline 10 Aug 2025 | 1 articles | Viewed by 891 | Submission Open
Keywords: microalga– bacteria; microalgae biotechnology; pollution remotion by microalgae; microalga biomass characterization; stress mitigation in microalga; microalga growth-promoting bacteria
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Metallurgical Processing and Involved Separation Techniques submission deadline 10 Aug 2025 | Viewed by 206 | Submission Open
Keywords: hydrometallurgy; pyrometallurgy; recycling; energy transition
(This special issue belongs to the Section Separation Processes)
Advances in Renewable Energy Systems (2nd Edition)
edited by , Virgilio Ciancio and Jacopo Dell’Olmo
submission deadline 15 Aug 2025 | 13 articles | Viewed by 19555 | 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)
Multiscale Modeling and Numerical Simulation of Multiphase Flow submission deadline 15 Aug 2025 | 3 articles | Viewed by 7470 | 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)
Advances in Computer Simulation of Condensed Matter Systems
edited by Kolattukudy Poulose Santo
submission deadline 15 Aug 2025 | 2 articles | Viewed by 2020 | Submission Open
Keywords: machine learning; computer simulations; molecular dynamics; Monte Carlo simulations; coarse-grained models; density functional theory; polymers; nanomaterials; interfacial systems; porous materials; colloids; membranes; biomolecules
(This special issue belongs to the Section Materials Processes)
Biomass Energy Conversion for Efficient and Sustainable Utilization submission deadline 15 Aug 2025 | 1 articles | Viewed by 1728 | Submission Open
Keywords: bioenergy; biomass transformation technologies; biomass pretreatment; waste revaluation; advanced biofuels; hybrid biofuels.
(This special issue belongs to the Section Energy Systems)
Research on Green Processing and Testing Technologies for Food and Beverages submission deadline 15 Aug 2025 | 1 articles | Viewed by 1662 | Submission Open
Keywords: Ultrasound (US); High-Pressure Processing (HPP); cold plasma; Pulsed Electric Field (PEF); LC-MS; GC-MS; FTIR; PCR; RT-PCR; NGS
(This special issue belongs to the Section Food Process Engineering)
Catalytic Gasification and Reforming Processes for Chemical Engineering
edited by Carlos Vera, Mariana Busto and Enrique Tarifa
submission deadline 15 Aug 2025 | 1 articles | Viewed by 1460 | Submission Open
Keywords: catalytic gasification; tars; steam reforming; cracking; reforming; synthesis gas; biomass gasification; coal-biomass gasification; plastics gasification; kinetics; processes
(This special issue belongs to the Section Chemical Processes and Systems)
Preparation and Optimization of Carbon Nanomaterials and Composites for Biological and Chemical Applications
edited by Lin Jia Yin
submission deadline 15 Aug 2025 | 1 articles | Viewed by 929 | Submission Open
Keywords: carbon nanomaterials; nanocomposites; synthesis optimization; biomedical applications; chemical sensors; nanostructure engineering; sustainable nanotechnology
(This special issue belongs to the Section Materials Processes)
Advances in Engine Combustion Performance, Flow and Energy Conversion Efficiency
edited by Han Xu, Zenghui Yin and Junheng Liu
submission deadline 15 Aug 2025 | 1 articles | Viewed by 791 | Submission Open
Keywords: efficient energy conversion; fuel properties; combustion theory and technology; thermodynamic cycles; thermomechanical analysis; fluid mechanics
(This special issue belongs to the Section Energy Systems)
Electrochemically-Based Hydrogen Energy Preparation in Energy Conversion
edited by Zhiyuan Jiang and Zhiguo Qu
submission deadline 15 Aug 2025 | Viewed by 449 | Submission Open
Keywords: hydrogen evolution and oxidation reaction; electrochemical water electrolysis; hydrogen production; electrochemical cells and reactors; electrochemical hydrogen storage; proton exchange membrane fuel cells
(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 15 Aug 2025 | Viewed by 240 | 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)
Green Photocatalysis for a Sustainable Future
edited by Lei Cheng, Yang Li and Jian Yang
submission deadline 15 Aug 2025 | Viewed by 225 | Submission Open
Keywords: photocatalysts; homogeneous photocatalysis; heterogeneous photocatalysis; solar energy generation; value-added chemical generation; biomass-related conversion; artificial photosynthesis
(This special issue belongs to the Section Catalysis Enhanced Processes)
Green Separation and Purification Processes submission deadline 20 Aug 2025 | 13 articles | Viewed by 22843 | Submission Open
Keywords: green processes; bioactive ingredients
(This special issue belongs to the Section Separation Processes)
Process Automation and Smart Manufacturing in Industry 4.0/5.0
edited by
submission deadline 20 Aug 2025 | 12 articles | Viewed by 22192 | Submission Open
Keywords: process control; automation; smart factory; smart manufacturing; virtual engineering
(This special issue belongs to the Section Automation Control Systems)
Synthesis and Extraction Processes of Biotechnological Drugs of Plant Origin submission deadline 20 Aug 2025 | 8 articles | Viewed by 19286 | Submission Open
Keywords: biosynthesis; biosynthetic pathways; extraction procedures; medicinal plant; plant biotechnology; plant cell cultures; plant metabolites
(This special issue belongs to the Section Pharmaceutical Processes)
Transport and Energy Conversion at the Nanoscale and Molecular Scale
edited by and
submission deadline 20 Aug 2025 | 6 articles | Viewed by 16875 | Submission Open
Keywords: nanotechnology; nanostructures; molecules; charge transport; heat transfer; energy conversion; electrochemical
(This special issue belongs to the Section Energy Systems)
Phytochemicals: Extraction, Optimization, Identification, Biological Activities, and Applications in the Food, Nutraceutical, and Pharmaceutical Industries (2nd Edition)
edited by
submission deadline 20 Aug 2025 | 14 articles | Viewed by 12182 | Submission Open
Keywords: phytochemical identification; biological activity; fingerprint; secondary metabolites; liquid and gas chromatography; mass spectrometry; analytical methods; phenolic compounds; bioactives; functional ingredients
(This special issue belongs to the Section Pharmaceutical Processes)
Process Intensification for Waste Valorization submission deadline 20 Aug 2025 | 2 articles | Viewed by 6621 | Submission Open
Keywords: biofuel; wastewater treatment; waste biomass
(This special issue belongs to the Section Environmental and Green Processes)
Application of Advanced Technologies in Microbial Biotechnology and Bioprocessing
edited by , and Martha Arévalos-Sánchez
submission deadline 20 Aug 2025 | Viewed by 1728 | Submission Open
Keywords: biotechnology; bioprocess; synthetic biology; sustainability; microbiology; sequencing; artificial intelligence
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Microbial Fuel Cell Technology for Wastewater Treatment and Energy Storage submission deadline 20 Aug 2025 | Viewed by 1388 | Submission Open
Keywords: microbial fuel cells; bioelectrochemical cells; energy storage; batteries; capacitors; super capacitors; biosensing devices; bio-monitoring devices and environmental sensing devices
(This special issue belongs to the Section Environmental and Green Processes)
Sustainable and Intelligent Energy Systems and Processes: Recent Advances and Challenges (2nd Edition)
edited by , Marko Vekić and
submission deadline 20 Aug 2025 | 1 articles | Viewed by 1205 | Submission Open
Keywords: sustainability; intelligent control; renewable energy; reliability and resilience; smart grid; energy storage; edge computing; FACTS; power quality
(This special issue belongs to the Section Energy Systems)
Numerical Simulation and Engineering Application of Rock Mechanics and Geotechnical Engineering (Second Edition)
edited by Chenxi Ding, , Chun Liu, Liyun Yang and
submission deadline 20 Aug 2025 | 1 articles | Viewed by 844 | Submission Open
Keywords: rock mechanics; geotechnical engineering; complex reservoir; numerical simulation; soil– fluid interaction; construction techniques
(This special issue belongs to the Section Energy Systems)
Analysis and Integration of Micropolar Fluid Systems
edited by Kyriaki-Evangelia Aslani and
submission deadline 20 Aug 2025 | 1 articles | Viewed by 752 | Submission Open
Keywords: micropolar fluid; microrotation; microstructure; non-Newtonian fluid; couple stress; complex fluid; colloidal fluid; ferrofluid; blood; nanofluid
(This special issue belongs to the Section Energy Systems)
Process Intensification in Chemical Reaction Engineering (2nd Edition) submission deadline 25 Aug 2025 | 3 articles | Viewed by 8891 | Submission Open
Keywords: process intensification; chemical reaction engineering; microreactors; microwaves; sonochemistry; reactive chromatography; reactive distillation; structured reactors; static mixers; microfluidics
(This special issue belongs to the Section Chemical Processes and Systems)
Model of Unconventional Oil and Gas Exploration
edited by Bowen Hu, Huimin Wang and Kangsheng Xue
submission deadline 25 Aug 2025 | 5 articles | Viewed by 5013 | Submission Open
Keywords: unconventional oil and gas; reservoir geomechanics; multi-physics field coupling; flow in porous and factured media; reservoir staility
(This special issue belongs to the Section Chemical Processes and Systems)
Fuzzy Control System: Design and Applications
edited by
submission deadline 25 Aug 2025 | 3 articles | Viewed by 4509 | Submission Open
Keywords: advanced fuzzy theory; control design and application; hybrid intelligent systems; type-2 fuzzy control; fuzzy system optimization; intelligent machine learning
(This special issue belongs to the Section Process Control and Monitoring)
Synthesis, Application and Structural Analysis of Composite Materials
edited by Caleb Carreño-Gallardo
submission deadline 25 Aug 2025 | 3 articles | Viewed by 4284 | Submission Open
Keywords: reinforcement synthesis; material functionalization; metal matrix composites; carbides; porous materials; powder
(This special issue belongs to the Section Materials Processes)
Thermal Engineering: Energy Conversion, Numerical Simulation, and Advanced Control
edited by , and Miguel Ángel Basurto-Pensado
submission deadline 25 Aug 2025 | 4 articles | Viewed by 2775 | Submission Open
Keywords: computational fluid dynamics (CFD); energy efficiency; AI tools; thermal systems; sustainability; materials; mathematical model
(This special issue belongs to the Section Energy Systems)
2nd Edition of Artificial Intelligent Techniques in the Optimal Operation of Oil and Gas Production Systems
edited by , and Xiaojun Wu
submission deadline 25 Aug 2025 | 4 articles | Viewed by 2285 | Submission Open
Keywords: liquid loading; artificial lift; multiphase flow; gas lift; plunger lift; artificial intelligence; oil production
(This special issue belongs to the Section Energy Systems)
Research on Conversion and Utilization of Waste Biomass submission deadline 25 Aug 2025 | 2 articles | Viewed by 2147 | Submission Open
Keywords: biomass; bioenergy; biofuels; bioproducts; biochemicals; biorefinery; conversion processes
(This special issue belongs to the Section Environmental and Green Processes)
Production of Renewable Hydrogen: Prospects and Challenges submission deadline 25 Aug 2025 | 2 articles | Viewed by 1714 | Submission Open
Keywords: hydrogen; renewables; electrolysis; biomass; reforming; catalysts
(This special issue belongs to the Section Catalysis Enhanced Processes)
Advanced Studies of Oil and Gas Flow in Unconventional Oil and Gas Reservoir
edited by , and Ahmed Al-Yaseri
submission deadline 25 Aug 2025 | 2 articles | Viewed by 1359 | Submission Open
Keywords: unconventionals; petrophysics; geomechanics; oil; gas; carbondioxide; hydrogen storage
(This special issue belongs to the Section Chemical Processes and Systems)
Renewables Integration and Hybrid System Modelling
edited by Dallia Ali
submission deadline 25 Aug 2025 | Viewed by 456 | Submission Open
Keywords: renewable generation; grid integration; hybrid renewable– hydrogen energy systems; optimal system design and sizing; hybrid system cost and life-cycle analysis
(This special issue belongs to the Section Energy Systems)
Production, Purification and Applications of Carbon Nanomaterials
edited by Viviany Geraldo, Edelma Eleto da Silva, Evandro Augusto de Morais and Fabrício Vieira de Andrade
submission deadline 25 Aug 2025 | Viewed by 434 | Submission Open
Keywords: nanomaterials; carbon nanotubes; production of nanomaterials; application in composites; in situ methodology; dispersion of nanomaterials; purification
(This special issue belongs to the Section Materials Processes)
Transfer Learning Methods in Equipment Reliability Management
edited by Lei Wang, Xin Zhang and Xixing Li
submission deadline 31 Aug 2025 | 13 articles | Viewed by 18950 | Submission Open
Keywords: equipment reliability; transfer learning; domain adaptation; domain generalization; interpretability; fault diagnosis; fault prediction
(This special issue belongs to the Section AI-Enabled Process Engineering)
Municipal Solid Waste for Energy Production and Resource Recovery
edited by , Rajan Kumar Thapa, Surajbhan Sevda and
submission deadline 31 Aug 2025 | 11 articles | Viewed by 12815 | Submission Open
Keywords: waste-to-energy technologies; life-cycle analysis of MSW; application of circular economy to MSW; production of new materials from MSW; recycling; recovery; and valorisations of waste; development of new technology for resource recovery from MSW; novel and environmental friendly MSW management systems
(This special issue belongs to the Section Environmental and Green Processes)
Analysis and Optimization Control of Active Distribution Networks and Smart Grids submission deadline 31 Aug 2025 | 12 articles | Viewed by 11065 | Submission Open
Keywords: active distribution network; smart grid; renewables; analysis and control; uncertainty; forecasting
(This special issue belongs to the Section Energy Systems)
Recent Developments in Enhanced Oil Recovery (EOR) Processes
edited by
submission deadline 31 Aug 2025 | 10 articles | Viewed by 8706 | Submission Open
Keywords: smart water flooding; nanotechnology; CO2 injection; microbial EOR; low-salinity flooding; shale EOR; AI in EOR; hybrid techniques; heavy oil EOR; environmentally friendly EOR
(This special issue belongs to the Section Energy Systems)
Geophysical Methods and Processes for Unconventional Reservoir Exploration and Characterization in Petroleum System
edited by , Feng Zhang and Yang Liu
submission deadline 31 Aug 2025 | 7 articles | Viewed by 6603 | Submission Open
Keywords: shale gas and oil; tight gas and oil; volcanic gas and oil; heavy oil; oil shale; coalbed methane; seismic data processing; seismic inversion; seismic numerical and physical modeling; quantitative seismic interpretation; rock physics; petrophysics; well-log; gravity and magnetic methods; electrical and electromagnetic methods; porosity; fluids; fractures; pore pressure; geostress; interbedded strata
(This special issue belongs to the Section Energy Systems)
Sustainable Management of Wastewater and Sludge
edited by Zhetai Hu, Zhiqiang Zuo and
submission deadline 31 Aug 2025 | 4 articles | Viewed by 6506 | Submission Open
Keywords: sustainable biotechnology; wastewater treatment; sludge treatment; low greenhouse gas emission; resource recovery; nitrogen removal; integrated wastewater management; use of digestate; bioplastics
(This special issue belongs to the Section Environmental and Green Processes)
Non-ferrous Metal Metallurgy and Its Cleaner Production submission deadline 31 Aug 2025 | 4 articles | Viewed by 5632 | 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)
Production and Industrial Engineering in Metal Processing
edited by Ronaldo Câmara Cozza
submission deadline 31 Aug 2025 | 4 articles | Viewed by 4947 | Submission Open
Keywords: metallurgical processes of manufacturing; mechanical processes of manufacturing; plastic deformation of metals; machining; additive manufacturing; wear; lubrication
(This special issue belongs to the Section Manufacturing Processes and Systems)
Recent Advances in Environment and Energy Related Processes in Offshore Geotechnical Engineering
edited by , Lujun Wang, Yuze Wang and
submission deadline 31 Aug 2025 | 4 articles | Viewed by 4762 | Submission Open
Keywords: offshore geotechnical engineering; environmental geomechanics; energy geomechanics; wind turbine foundations; structure– environment interaction; ocean engineering; offshore energy engineering; offshore environmental engineering; offshore mining; island and reef engineering
(This special issue belongs to the Section Environmental and Green Processes)
Metal–Organic Frameworks for Separation, Catalysis and Energy Applications
edited by , and Georgia Sourkouni
submission deadline 31 Aug 2025 | 2 articles | Viewed by 3547 | Submission Open
Keywords: MOFs; catalysis; photocatalysis; electrocatalysis; separation processes; energy storage; supercapacitors; chemical gas storage; electrochemical conversion and storage; environmental and biomedical applications
(This special issue belongs to the Section Materials Processes)
Production, Processing and Quality Assessment of Livestock Meat Products submission deadline 31 Aug 2025 | 3 articles | Viewed by 2775 | Submission Open
Keywords: growth performance; carcass traits; meat quality; processing technologies; nutrient metabolism; welfare; additives; greenhouse gases mitigation
(This special issue belongs to the Section Food Process Engineering)
Advances in the Analysis of Emerging Organic Contaminants
edited by Ana Paula Peron, Regiane Da Silva Gonzalez and Débora Cristina de Souza
submission deadline 31 Aug 2025 | 1 articles | Viewed by 2374 | Submission Open
Keywords: emerging pollutants; wastewater; environmental safety; water quality; sustainable environment
(This special issue belongs to the Section Environmental and Green Processes)
Innovations in Solar Cell Technology: Materials, Efficiency and Sustainability
edited by Mohammad Istiaque Hossain, and Amith MD. Abdullah Khandakar
submission deadline 31 Aug 2025 | 2 articles | Viewed by 1880 | Submission Open
Keywords: solar energy innovations; emerging photovoltaic materials; perovskite and tandem solar cells; organic photovoltaics; energy conversion efficiency; sustainable solar cell technologies; material lifecycle and recycling; industrial scalability; renewable energy technologies; advance characterization
(This special issue belongs to the Section Materials Processes)
Application of Artificial Intelligence (AI) in Traditional Energy and New Energy
edited by Tianhang Zhou, Qilei Liu and Xin Peng
submission deadline 31 Aug 2025 | 2 articles | Viewed by 1867 | Submission Open
Keywords: machine learning in energy; low-carbonization of traditional energy; energy system optimization; smart grids and energy management; data-driven material design; renewable energy technologies; AI-driven monitoring and maintenance; sustainable energy systems; innovative machine learning techniques
(This special issue belongs to the Section Energy Systems)
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