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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Green Chemistry: From Wastes to Value-Added Products (2nd Edition) submission deadline 10 Oct 2025 | 12 articles | Viewed by 38564 | Submission Open
Keywords: sustainability; circular economy; recycling technologies; closed-loop systems; waste management
(This special issue belongs to the Section Environmental and Green Processes)
Data-Based Prediction Models in Energy Systems: From Principles to Applications
edited by , , Xiaogang Li and Huohai Yang
submission deadline 10 Oct 2025 | 7 articles | Viewed by 12147 | Submission Open
Keywords: grey system models; machine learning/deep learning models; data-driven prediction models; intelligent optimization; petroleum engineering; renewable energy  
(This special issue belongs to the Section Energy Systems)
Rheological Properties of Food Products submission deadline 10 Oct 2025 | 2 articles | Viewed by 7298 | Submission Open
Keywords: dough rheology; dynamic oscillatory tests; flow properties; creep-recovery test; farinoghraph; mixolab; rheological behavior; functional ingredients; functional food; food formulations
(This special issue belongs to the Section Food Process Engineering)
Absorption Heat Pumps for Heating and Cooling: Modeling, Simulation, Design, Optimization, and Experiments
edited by and José Alfredo Hernández Pérez
submission deadline 10 Oct 2025 | 2 articles | Viewed by 3452 | Submission Open
Keywords: absorption; single and advanced cycles; absorption heat pumps; heat exchangers; mass and heat transfer coefficients; thermal systems; optimization and artificial intelligence
(This special issue belongs to the Section Energy Systems)
Geological and Engineering Problems in the Development of Unconventional Oil and Gas Reservoirs (2nd Edition)
edited by Mohamed I. Abdel-Fattah
submission deadline 10 Oct 2025 | 3 articles | Viewed by 2290 | Submission Open
Keywords: unconventional reservoirs; hydraulic fracturing; reservoir characterization; seismic and well log analysis; basin modeling and petroleum systems; machine learning and AI applications
(This special issue belongs to the Section Energy Systems)
Sustainable Nanocellulose Processes Toward New Products and Markets
edited by and María Evangelina Vallejos
submission deadline 10 Oct 2025 | Viewed by 448 | Submission Open
Keywords: nanocellulose technology; sustainable nanomaterials; biorefinery processes; renewable nanomaterials; nanomaterial processes; bioeconomy; nanocellulose applications; nanocellulose industry; innovation in processes
(This special issue belongs to the Section Materials Processes)
Opportunities for Industry 4.0/5.0: AI-Driven Data Analysis, Process Optimization and Automation
edited by Chien-Yi Huang and Amirhossein Nafei
submission deadline 15 Oct 2025 | 2 articles | Viewed by 11105 | Submission Open
Keywords: Industry 4.0; Industry 5.0; artificial intelligence (AI); data analysis; process automation; machine learning; predictive maintenance; cyber– physical systems; internet of things (IoT); optimization; fuzzy logic; decision-making
(This special issue belongs to the Section Manufacturing Processes and Systems)
Recent Advances in Green Hydrogen Production and Hydrogen-Based Energy Storage Technology
edited by Song Hu, Yanghong Xia, and Tianze Wang
submission deadline 15 Oct 2025 | 4 articles | Viewed by 9527 | Submission Open
Keywords: hydrogen production; hydrogen-based energy storage systems; gas– liquid two-phase mass transfer; green hydrogen replacement in industry section; hydrogen safety
(This special issue belongs to the Section Energy Systems)
Numerical Simulation of Oil and Gas Storage and Transportation
edited by Xu Sun, and Zitao Jiang
submission deadline 15 Oct 2025 | 3 articles | Viewed by 4379 | Submission Open
Keywords: oil and gas pipelines; oil and gas tanks; oil and gas underground storage; numerical simulation; artificial intelligence
(This special issue belongs to the Section Energy Systems)
Advances in Hydraulic Machinery and Systems
edited by and Enrique González
submission deadline 15 Oct 2025 | 3 articles | Viewed by 3883 | Submission Open
Keywords: hydraulic machinery; green turbines; efficiency improvement; lifetime extension; upgrading; low-cost small hydropower
(This special issue belongs to the Section Manufacturing Processes and Systems)
Engineering Porous Materials: From Synthesis to Real-World Applications
edited by Hamidreza Mahdavi and Joseph Olorunyomi
submission deadline 15 Oct 2025 | 2 articles | Viewed by 3658 | Submission Open
Keywords: porous materials; design; synthesis; characterization; application
(This special issue belongs to the Section Materials Processes)
Applications of Machine Learning and Data Modeling Techniques in Air Quality Monitoring and Control Mechanisms
edited by and Abiyu Kerebo Berekute
submission deadline 15 Oct 2025 | 1 articles | Viewed by 3209 | Submission Open
Keywords: deep learning; air quality sensing; prediction; smart city; ship emissions; drones; cloud computing; low-cost air quality sensors; nanocatalysts
(This special issue belongs to the Section Process Control and Monitoring)
Recent Advances in Surface Engineering and Coating Technologies in Manufacturing Processes
edited by , Kuniaki Dohda, Steven Schmid and
submission deadline 15 Oct 2025 | 3 articles | Viewed by 3093 | Submission Open
Keywords: tribology; manufacturing; joining; lubrication; coatings; surface engineering; friction; wear; contact mechanics
(This special issue belongs to the Section Manufacturing Processes and Systems)
Green Hydrogen Production: Advances and Prospects
edited by Ana Lidia Martínez Salazar, M. A. Coronel-García and Luciano Aguilera-Vázquez
submission deadline 15 Oct 2025 | 2 articles | Viewed by 2364 | Submission Open
Keywords: green hydrogen; production systems; renewable energies; sizing; storage systems; electronic systems; distribution processes; uses; circular and social economy
(This special issue belongs to the Section Chemical Processes and Systems)
Chemical Systems Dynamic Modeling and Simulation
edited by and Xing Qian
submission deadline 15 Oct 2025 | 1 articles | Viewed by 2085 | Submission Open
Keywords: separation; process simulation; process modeling; process system engineering; process intensification; process design
(This special issue belongs to the Section Chemical Processes and Systems)
Control and Supervision Strategies on Desalination Processes: Focused on Key Process Variables
edited by and Jesús Álvarez-Sánchez
submission deadline 15 Oct 2025 | 2 articles | Viewed by 1946 | Submission Open
Keywords: reverse osmosis; concentration polarization factor; biofouling; permeate flux; mass transfer coefficient; process design; perfomance; seawater reverse osmosis (SWRO); brackish water reverse osmosis (BWRO); operating pressure; energy consumption
(This special issue belongs to the Section Process Control and Monitoring)
Natural and Synthetic Compounds: Processes, Challenges, and Opportunities for Human Health and Environmental Sustainability
edited by and
submission deadline 15 Oct 2025 | Viewed by 849 | Submission Open
Keywords: natural compounds; bioactive compounds; computational methods; drug discovery and development; drug repurposing; green chemistry; biological testing; sustainable strategies; healthy and sustainable challenges; natural and synthetic product application; medicinal chemistry
(This special issue belongs to the Section Pharmaceutical Processes)
Hydrogen and Carbon Production by Methane Catalytic Cracking
edited by Chandrasekar Srinivasakannan and
submission deadline 15 Oct 2025 | Viewed by 678 | Submission Open
Keywords: methane; hydrogen; catalytic cracking; carbon nanostructures; green energy
(This special issue belongs to the Section Energy Systems)
Chromatographic Techniques in Food Industry Processes
edited by and Jamal Brigui
submission deadline 15 Oct 2025 | Viewed by 293 | Submission Open
Keywords: food chemistry; natural products  ; antioxidants  ; polyphenols  ; chromatography  ; spectroscopy  ; mass spectrometry  ; extraction  ; sample preparation
(This special issue belongs to the Section Food Process Engineering)
Microstructure, Processing and Numerical Simulation of Coatings
edited by Haibo Zhang, and
submission deadline 20 Oct 2025 | 4 articles | Viewed by 7817 | Submission Open
Keywords: surface coating technology; microstructure; coatings material design; simulation analysis; numerical simulation; different process parameters
(This special issue belongs to the Section Materials Processes)
Advances in Extraction and Characterization of Functional Properties of Bioactive Compounds Obtained from Food Processing
edited by Arely León-López and
submission deadline 20 Oct 2025 | 3 articles | Viewed by 4478 | Submission Open
Keywords: food process; bioactive compounds; functional activity; alternative technologies; traditional methods; sources of bioactive compounds
(This special issue belongs to the Section Food Process Engineering)
Resource Recovery from Organic Solid Waste Using Fermentation and Hydrolysis Technologies
edited by Jiuxiao Hao, Guang Guo and Yina Zou
submission deadline 20 Oct 2025 | 1 articles | Viewed by 4218 | Submission Open
Keywords: anaerobic fermentation; hydrolysis pretreatment; volatile fatty acids; biomass; organic solid wastes; resource recovery; oriented conversion
(This special issue belongs to the Section Environmental and Green Processes)
Application of Power Converter in Integrated Energy Storage Management submission deadline 20 Oct 2025 | 3 articles | Viewed by 3997 | Submission Open
Keywords: power conversion efficiency; energy storage systems (ESS); battery management systems (BMS); hybrid energy storage; DC-DC converters; voltage regulation; load balancing; renewable energy integration; charge/discharge control; grid stabilization
(This special issue belongs to the Section Energy Systems)
Fault Detection Based on Deep Learning
edited by Maoyin Chen and Zhu Wang
submission deadline 20 Oct 2025 | 2 articles | Viewed by 2979 | Submission Open
Keywords: models; control; optimization; industry
(This special issue belongs to the Section Process Control and Monitoring)
Green Biotechnology for Synthesis of Metal Nanoparticles from Plant Extracts
edited by
submission deadline 20 Oct 2025 | 2 articles | Viewed by 1349 | Submission Open
Keywords: Au/Ag/Pt/Cu nanomaterials; nanoparticles; plant extract; green synthesis; nanoparticle applications
(This special issue belongs to the Section Separation Processes)
Machine Learning-Based Intelligent Industry 4.0 Control Systems for Manufacturing submission deadline 20 Oct 2025 | Viewed by 429 | Submission Open
Keywords: artificial intelligence; machine learning; sustainable manufacturing; Industry 4.0; internet of things
(This special issue belongs to the Section Process Control and Monitoring)
Correlations Between Performance and Structure of Catalytic Materials for Sustainable Process Design submission deadline 20 Oct 2025 | Viewed by 236 | Submission Open
Keywords: carbon-based nanomaterials; antibacterial activity; heterogeneous catalysis; photocatalysis; adsorption; water remediation; sustainability; pollutant degradation; biomass valorization
(This special issue belongs to the Section Chemical Processes and Systems)
Machine Learning and Chemometrics for Complex Process Analysis and Control
edited by and
submission deadline 20 Oct 2025 | Viewed by 229 | Submission Open
Keywords: chemometrics; machine learning; process analysis; control and optimization; applications  
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Biomass Conversion to Biofuel Technology submission deadline 20 Oct 2025 | Viewed by 189 | Submission Open
Keywords: biofuel; biomass conversion; sustainable technology; biochar; bio-oil; biogas
(This special issue belongs to the Section Chemical Processes and Systems)
Properties and Influence of Recycled Concrete Aggregates in New Concrete Production Processes submission deadline 20 Oct 2025 | Viewed by 124 | Submission Open
Keywords: recycled concrete aggregate (RCA); sustainable construction; concrete production; material properties; mechanical performance; durability; environmental impact; concrete mix design; aggregate substitution; waste management
(This special issue belongs to the Section Materials Processes)
Physicochemical, Thermal, Sensorial, Nutritional, and Flow Properties During Food Processes submission deadline 25 Oct 2025 | 2 articles | Viewed by 2351 | Submission Open
Keywords: food processing; physicochemical features; thermal behavior; sensory properties; nutritional characteristics
(This special issue belongs to the Section Food Process Engineering)
Research Progress of Chemical Flooding for Enhanced Oil Recovery submission deadline 25 Oct 2025 | 2 articles | Viewed by 2092 | Submission Open
Keywords: alkalis; surfactants; polymers; chemical blends; adjusted water chemistry; interfacial dynamics; interfacial rheology; wettability alteration; interfacial tension; nanotechnology; bio-based chemicals reagents; techno-economic viability; foams; field projects
(This special issue belongs to the Section Energy Systems)
Innovative Strategies and Emerging Technologies in Wastewater Treatment submission deadline 25 Oct 2025 | 2 articles | Viewed by 1838 | Submission Open
Keywords: wastewater treatment; advanced oxidation processes (AOPs); nanomaterials for water purification; membrane separation technologies; bioremediation and microbial treatment; electrochemical water treatment; photocatalysis for wastewater remediation; resource recovery and circular economy; process modeling and optimization; sustainable and decentralized treatment systems
(This special issue belongs to the Section Environmental and Green Processes)
Metal–Organic Frameworks (MOFs) and Applications in Adsorption
edited by , , , Faridullah and Yasir Saeed
submission deadline 25 Oct 2025 | 1 articles | Viewed by 770 | Submission Open
Keywords: metal– organic frameworks (MOFs); adsorption and mechanism; gas separation; CO2 capture; environmental remediation; energy storage; resource recovery; porous materials; MOFs composites; water purification
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Enzyme Identification and Biocatalytic Applications submission deadline 25 Oct 2025 | Viewed by 440 | Submission Open
Keywords: enzyme identification; enzyme characterization; enzyme applications; biocatalytic applications; catalytic efficiency; reactor performance
(This special issue belongs to the Section Catalysis Enhanced Processes)
Innovative Drug Delivery Through Chemically Synthesized Polymers and Terpenoids submission deadline 27 Oct 2025 | Viewed by 555 | Submission Open
Keywords: drug delivery; chemically synthesized polymers; Terpenoids; Bioavailability; controlled release; polymer-– terpenoid conjugates; pharmaceutical science; therapeutic efficacy
(This special issue belongs to the Section Pharmaceutical Processes)
Advances in Green Propulsion Engine and Environmental Pollution Control submission deadline 30 Oct 2025 | 10 articles | Viewed by 25667 | Submission Open
Keywords: green gas turbine technologies; variable cycle engines in civil aviation; advanced aero-engine technologies; hydrogen-fuel aero-engine; advanced pollutant emission measurements and control techniques; advanced thermal cycle technologies; aviation carbon emissions and climate change
(This special issue belongs to the Section Environmental and Green Processes)
Modeling, Control, and Optimization of Drilling Techniques
edited by , Chi Peng, Xianwei Dai, Gaosheng Wang and Yong Zheng
submission deadline 30 Oct 2025 | 19 articles | Viewed by 20438 | Submission Open
Keywords: intelligence drilling; parameter optimization; risk pre-warning; wellbore multiphase flow; machine learning; well control; energy storage; multi-objective optimization; rock breaking; numerical simulation
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Supported Nanoparticle Catalysts (Volume II)
edited by
submission deadline 30 Oct 2025 | 3 articles | Viewed by 8060 | Submission Open
Keywords: nanoparticles; nanocatalysts; metals; oxides; carbon
(This special issue belongs to the Section Catalysis Enhanced Processes)
Advanced Strategies in Enhanced Oil Recovery: Theory and Technology
edited by , Mingchen Ding and
submission deadline 30 Oct 2025 | 6 articles | Viewed by 6354 | Submission Open
Keywords: enhanced oil recovery; water flooding; CO2 flooding; heavy oil reservoir; low-permeability reservoir; water shutoff; conformance control
(This special issue belongs to the Section Energy Systems)
Advances in Electrochemical Energy Storage Materials and Devices
edited by and Mesfin Abayneh Kebede
submission deadline 30 Oct 2025 | Viewed by 205 | Submission Open
Keywords: materials science; energy storage; supercapacitors; metal-ion batteries; capacitive deionization; metal oxides; carbon-based materials
(This special issue belongs to the Section Chemical Processes and Systems)
Green Manufacturing and Low-Carbon Control of Mechanical and Electrical Products
edited by
submission deadline 31 Oct 2025 | 20 articles | Viewed by 54676 | Submission Open
Keywords: green manufacturing assessment; green manufacturing model; low-carbon trade; mechanical and electrical product; carbon footprint; life-cycle theory
(This special issue belongs to the Section Manufacturing Processes and Systems)
State of the Art of Waste Utilization and Resource Recovery
edited by , and
submission deadline 31 Oct 2025 | 10 articles | Viewed by 39963 | Submission Open
Keywords: waste utilization; resource recovery; industrial and agricultural waste produced
(This special issue belongs to the Section Sustainable Processes)
Recent Advances in Sustainable Electrical Energy Technologies (2nd Edition)
edited by
submission deadline 31 Oct 2025 | 14 articles | Viewed by 26990 | Submission Open
Keywords: sustainable electrification; renewable energy; electric mobility; energy storage; smart grid; sustainable energy technologies; electro-chemical energy conversion; electro-mechanical energy conversion processes
(This special issue belongs to the Section Energy Systems)
Biomass Pretreatment for Thermochemical Conversion submission deadline 31 Oct 2025 | 6 articles | Viewed by 9832 | Submission Open
Keywords: biomass pretreatments; pyrolysis; gasification; combustion; bio-oil and biochar upgrading; emissions
(This special issue belongs to the Section Chemical Processes and Systems)
Advances of Multiphase Computational Fluid Dynamics in Energy Engineering
edited by Yuting Zhuo and Tianyu Wang
submission deadline 31 Oct 2025 | 6 articles | Viewed by 8731 | Submission Open
Keywords: computational and experimental methods for multiphase flows; bubbly and droplet flows; particle-laden flows; turbulence in multiphase flows; DEM; multiphysics modeling
(This special issue belongs to the Section Energy Systems)
Modeling, Design, Optimization and Maintenance of Intelligent Manufacturing Towards Industry 5.0
edited by , , Yan Shi and Li Jia
submission deadline 31 Oct 2025 | 6 articles | Viewed by 8331 | Submission Open
Keywords: intelligent monitoring and maintenance; prognostic and health management; reliability assessment; online soft measurement; intelligent management and control; Industrial Internet of Things
(This special issue belongs to the Section Manufacturing Processes and Systems)
Control Process, Fault Detection and Classification in Power Systems and Industrial Machinery submission deadline 31 Oct 2025 | 5 articles | Viewed by 7808 | Submission Open
Keywords: control; embedded systems; power systems; monitoring; signal processing; intelligent systems; image processing; fractional calculus; industrial applications; deep neural networks
(This special issue belongs to the Section Process Control and Monitoring)
Modeling and Simulation of Robot Intelligent Control System submission deadline 31 Oct 2025 | 6 articles | Viewed by 7005 | Submission Open
Keywords: robot control systems; intelligent robots; simulation; intelligent control systems; artificial intelligence; modeling of robotic systems; decision-making algorithms
(This special issue belongs to the Section Automation Control Systems)
Recent Advances in Renewable Energy Systems: Integration Challenges, Forecasting, and Grid Optimization for Sustainable Energy Management
edited by
submission deadline 31 Oct 2025 | 9 articles | Viewed by 6128 | Submission Open
Keywords: renewable energy integration; grid optimization; sustainable energy management; renewable energy forecasting; flexibility resources; smart grid technologies; energy storage systems; distributed energy resources; microgrids; AI in energy systems
(This special issue belongs to the Section Energy Systems)
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