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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Model Predictive Control in Industrial Power Systems
edited by , Hongpeng Xu and
submission deadline 30 Sep 2025 | Viewed by 578 | Submission Open
Keywords: model predictive control; energy storage; power system; machine learning; optimization; smart grid
(This special issue belongs to the Section Energy Systems)
Coalbed Methane Development Process
edited by Songhang Zhang, Qiulei Guo and Xinlu Yan
submission deadline 30 Sep 2025 | 2 articles | Viewed by 544 | Submission Open
Keywords: deep coalbed methane; exploration and development; technological advancements; coal reservoir; gas content; water chemistry; CO2-enhanced coalbed methane; coalbed methane numerical simulation; dewatering optimization; production patterns and law of coalbed methane wells
(This special issue belongs to the Section Energy Systems)
Chemistry of Zeolites: Synthesis, Structure and Crystallization
edited by
submission deadline 30 Sep 2025 | Viewed by 494 | Submission Open
Keywords: zeolite; synthesis; structure; crystallization mechanisms; crystallization processes; sources; properties
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Processes for Bioenergy and Biofuel Production
edited by Messias Silva
submission deadline 30 Sep 2025 | Viewed by 476 | Submission Open
Keywords: bioenergy; biofuel; biochemical conversion processes; thermochemical conversion processes; production optimization; renewable energy
(This special issue belongs to the Section Energy Systems)
Control and Optimization of Smart Grids, Microgrid Systems and Active Distribution Networks
edited by Haidong Tao, Xiaojuan Zhu and Yi Zhou
submission deadline 30 Sep 2025 | 1 articles | Viewed by 476 | Submission Open
Keywords: modeling and simulation techniques for large-scale power electronic systems; damping analysis; control; and optimization techniques; power flow and power quality control and optimization techniques; impedance measurement and impedance matching techniques; broadband oscillation analysis and suppression techniques; grid-forming control and optimization techniques
(This special issue belongs to the Section Energy Systems)
Advanced Wastewater Treatment Processes and Technologies submission deadline 30 Sep 2025 | 1 articles | Viewed by 476 | Submission Open
Keywords: wastewater treatment; green methods; pollutant removal; material design; nanomaterials; adsorption; advanced oxidation processes; catalysis
(This special issue belongs to the Section Environmental and Green Processes)
Electrode Materials Design for High-Performance Energy Conversion and Storage Devices
edited by Shamim Ahmed Hira and
submission deadline 30 Sep 2025 | 1 articles | Viewed by 394 | Submission Open
Keywords: hydrogen production; oxygen evolution reaction; green energy
(This special issue belongs to the Section Energy Systems)
New Advances in Cold Atmospheric Plasma Technologies
edited by Zhitong Chen and
submission deadline 30 Sep 2025 | Viewed by 377 | Submission Open
Keywords: plasma technology; plasma applications; plasma physics; mechanisms; reactive species
(This special issue belongs to the Section Manufacturing Processes and Systems)
Research Trends in Electrochemical Technology for Sustainable Environmental Applications
edited by Martín Muñoz-Morales and Ester López-Fernández
submission deadline 30 Sep 2025 | Viewed by 373 | Submission Open
Keywords: sustainable materials; waste treatment; electrochemical techniques; novel electrodes; electrochemical sensors; pollutants; oxidation; reduction
(This special issue belongs to the Section Chemical Processes and Systems)
Metal Catalysts in Organic Chemistry
edited by
submission deadline 30 Sep 2025 | Viewed by 348 | Submission Open
Keywords: transition metal; homogeneous catalysis; heterogeneous catalysis; mechanistic investigation
(This special issue belongs to the Section Catalysis Enhanced Processes)
Advances in Carbon Materials’ Thermal Analysis
edited by Daniel Lardizábal-Gutiérrez and Raul Perez-Bustamante
submission deadline 30 Sep 2025 | Viewed by 297 | Submission Open
Keywords: thermoanalysis; mineral carbons; carbon nanotubes (CNTs); graphenes; turbostratic carbon; charcoal performance; pyrolysis of carbons; thermoanalysis of hybrid compounds and functional materials; carbonaceous materials; methodological advances
(This special issue belongs to the Section Materials Processes)
Advances in Bioelectrochemical Systems for Wastewater Treatment
edited by , Lenia-Nezaet de Brito Gonsalvesh and Ralitza Koleva
submission deadline 30 Sep 2025 | Viewed by 228 | Submission Open
Keywords: electrochemically active microorganisms; microbial fuel cell; bio-electrochemical processes; anaerobic respiration; biosensors; electrode design and operation of catalysts; exocellular electric transfer; biological wastewater treatment
(This special issue belongs to the Section Chemical Processes and Systems)
Design and Performance Optimization of Heterogeneous Catalysts
edited by Dan Wu and Dandan Han
submission deadline 30 Sep 2025 | Viewed by 215 | Submission Open
Keywords: heterogeneous catalysts; catalyst design; performance optimization; selectivity and stability; surface modification; reaction mechanisms; energy conversion; industrial catalysis; metal-oxide composites; computational modeling
(This special issue belongs to the Section Catalysis Enhanced Processes)
Molecular Simulation in Mineral Flotation Processes
edited by Wanzhong Yin and Yuan Tang
submission deadline 30 Sep 2025 | Viewed by 171 | Submission Open
Keywords: molecular simulation; flotation; mineral surfaces; adsorption; surface wettability; hydrophobicity; flotation reagents
(This special issue belongs to the Section Chemical Processes and Systems)
Advancing Drug Discovery: Machine Learning and Virtual Screening in Phytochemical Research
edited by Yannick Belo Nuapia and Manimbulu Nlooto
submission deadline 30 Sep 2025 | Viewed by 121 | Submission Open
Keywords: machine learning; virtual screening; phytochemicals; molecular docking; QSAR (quantitative structure– activity relationship)
(This special issue belongs to the Section Pharmaceutical Processes)
Fly Ash Utilization, Characterization and Applications submission deadline 30 Sep 2025 | Viewed by 100 | Submission Open
Keywords: fly ash; characterization; utilization; applications; waste management; durability; environmental impact; sustainability
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Heat Transfer and Thermal Energy Storage Systems
edited by , José Alfredo Hernández Pérez and David Juárez Romero
submission deadline 30 Sep 2025 | Viewed by 99 | Submission Open
Keywords: thermal energy storage; non renewable energy; renewable energy; mechanical energy storage; chemical energy storage; electric energy storage; electrochemical energy storage
(This special issue belongs to the Section Energy Systems)
Two-Phase Flows: Modeling and Simulation
edited by , Songbai Cheng, Wenhai Qu and
submission deadline 30 Sep 2025 | Viewed by 99 | Submission Open
Keywords: two-phase flow; interfacial dynamics; phase change; computational fluid dynamics; heat transfer; artificial intelligence; energy systems; experimental validation
(This special issue belongs to the Section Chemical Processes and Systems)
Recent Advances in Marine Robotics Control Technologies
edited by
submission deadline 30 Sep 2025 | Viewed by 97 | Submission Open
Keywords: AI in robotics; motion planning; control systems; robot coordination; multi-robot systems; perception; sensing
(This special issue belongs to the Section Manufacturing Processes and Systems)
Process Design and Performance Analysis of Heat Pumps
edited by Tiago de Freitas Paulino, Luiz Machado and
submission deadline 30 Sep 2025 | Viewed by 86 | Submission Open
Keywords: heat pump  ; design  ; performance analysis  ; renewable energy  ; thermal energy storage
(This special issue belongs to the Section Energy Systems)
New Research on Oil and Gas Equipment and Technology, 2nd Edition submission deadline 30 Sep 2025 | Viewed by 76 | Submission Open
Keywords: oil and gas equipment; design; modeling; analysis; evaluation
(This special issue belongs to the Section Energy Systems)
Enzymes, Biocatalysis and Metabolic Engineering for Enabling Sustainability
edited by Cintia Mariana Romero
submission deadline 30 Sep 2025 | Viewed by 71 | Submission Open
Keywords: enzyme; biocatalysis; metabolic engineering; sustainability; environmental bioremediation; agro-industry; food production; catalysis; biosynthesis; microbial fermentation; genetically engineered microorganisms
(This special issue belongs to the Section Catalysis Enhanced Processes)
Lignin Utilization: Depolymerization and Bioconversion Process
edited by Fang Deng
submission deadline 30 Sep 2025 | Viewed by 71 | Submission Open
Keywords: depolymerization; bioconversion; enzyme; fermentation; metabolic engineering; process optimization
(This special issue belongs to the Section Environmental and Green Processes)
Technologies, Applications and Challenges of Pectin in Industrial Processes submission deadline 30 Sep 2025 | Viewed by 67 | Submission Open
Keywords: composites; covalent and non-covalent interaction; extraction; pectin-based gels; pectin fermentation; coating; nanoparticles with pectin; modified pectin
(This special issue belongs to the Section Biological Processes and Systems)
Advanced Design and Smart Control of Electric Machines and Actuators
edited by
submission deadline 30 Sep 2025 | Viewed by 55 | Submission Open
Keywords: piezoelectric actuators; piezoelectric motors; piezoelectric pumps; piezoelectric sensors; piezoelectric micro jets; piezoelectric energy harvesting systems; ultrasonic transducers; ultrasonic-assisted machining
(This special issue belongs to the Section Manufacturing Processes and Systems)
Green Diagnostic Tools for Improving Processes and Optimal Manufacturing Quality
edited by
submission deadline 1 Oct 2025 | Viewed by 319 | Submission Open
Keywords: green diagnostics; statistical methods; artificial intelligence; manufacturing 4.0; manufacturing processes and quality
(This special issue belongs to the Section Manufacturing Processes and Systems)
1st SUSTENS Meeting: Advances in Sustainable Engineering Systems
edited by , and Nikolaos A. Diangelakis
submission deadline 5 Oct 2025 | 7 articles | Viewed by 5305 | Submission Open
Keywords: process design; sustainability; machine learning; green technologies; biotechnology
(This special issue belongs to the Section Sustainable Processes)
Green Chemistry: From Wastes to Value-Added Products (2nd Edition) submission deadline 10 Oct 2025 | 8 articles | Viewed by 16728 | 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 9844 | 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 3220 | 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 2311 | 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 | 2 articles | Viewed by 563 | 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)
Material Design and Characterization Analysis for Sustainable Next Generation Solar Cells submission deadline 10 Oct 2025 | Viewed by 300 | Submission Open
Keywords: solar; energy storage; transforming energy access; end-of-life; sustainability; renewable; electrolytes; perovskite
(This special issue belongs to the Section Energy Systems)
Genetic Engineering: Processes, Methods, Challenges and Solutions
edited by Yuxiang Liu and Yangfan Wang
submission deadline 10 Oct 2025 | Viewed by 202 | Submission Open
Keywords: genetic engineering; DNA modification; gene cloning; transformation techniques; biotechnology; genetic editing
(This special issue belongs to the Section Biological Processes and Systems)
2nd Edition of Control Design and Numerical Computation in Manufacturing Process System
edited by and
submission deadline 10 Oct 2025 | Viewed by 123 | Submission Open
Keywords: control system design; numerical computation; equipment design and control; manufacturing systems design; control; and optimization; process design and control
(This special issue belongs to the Section Manufacturing Processes and Systems)
Exploration, Exploitation and Utilization of Coal and Gas Resources, 2nd Edition
edited by and Zhenzhi Wang
submission deadline 15 Oct 2025 | 16 articles | Viewed by 11789 | Submission Open
Keywords: unconventional resources; coalbed methane; coal measure gas; geological CO2; simulation modeling
(This special issue belongs to the Section Chemical Processes and Systems)
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 7475 | 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 | 3 articles | Viewed by 6033 | 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 2676 | 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)
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 2562 | Submission Open
Keywords: porous materials; design; synthesis; characterization; application
(This special issue belongs to the Section Materials Processes)
Physical and Chemical Removal of Recalcitrant Pollutants Using Novel Solids: Nanomaterials, Biochar, and Waste-Derived Biomaterials
edited by , and Rubi Romero
submission deadline 15 Oct 2025 | 3 articles | Viewed by 2448 | Submission Open
Keywords: new and innovative nanomaterials; novel biochar; physical removal; chemical removal; waste-derived biomaterials; circular economy; reduction in fossil-derived plastics; reduction in waste-derived biomaterials; simulation and modeling; techno-economic analysis
(This special issue belongs to the Section Environmental and Green Processes)
Chemical Systems Dynamic Modeling and Simulation
edited by and Xing Qian
submission deadline 15 Oct 2025 | 1 articles | Viewed by 721 | 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 | Viewed by 687 | 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 641 | 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 564 | Submission Open
Keywords: methane; hydrogen; catalytic cracking; carbon nanostructures; green energy
(This special issue belongs to the Section Energy 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 | Viewed by 558 | 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)
Advances in Hydraulic Machinery and Systems
edited by and Enrique González
submission deadline 15 Oct 2025 | Viewed by 329 | 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)
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 | Viewed by 312 | 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)
Microstructure, Processing and Numerical Simulation of Coatings
edited by Haibo Zhang, and
submission deadline 20 Oct 2025 | 4 articles | Viewed by 6349 | 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)
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 2970 | 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)
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