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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Genetic Engineering: Processes, Methods, Challenges and Solutions
edited by Yuxiang Liu and Yangfan Wang
submission deadline 10 Oct 2025 | Viewed by 276 | 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)
Exploration, Exploitation and Utilization of Coal and Gas Resources, 2nd Edition
edited by and Zhenzhi Wang
submission deadline 15 Oct 2025 | 22 articles | Viewed by 16152 | 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 8834 | 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 6905 | 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 3322 | 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)
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 3167 | 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)
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 2915 | Submission Open
Keywords: porous materials; design; synthesis; characterization; application
(This special issue belongs to the Section Materials Processes)
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 2380 | 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)
Advances in Hydraulic Machinery and Systems
edited by and Enrique González
submission deadline 15 Oct 2025 | 2 articles | Viewed by 1270 | 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)
Control and Supervision Strategies on Desalination Processes: Focused on Key Process Variables
edited by and Jesús Álvarez-Sánchez
submission deadline 15 Oct 2025 | 1 articles | Viewed by 1270 | 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)
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 1238 | 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)
Chemical Systems Dynamic Modeling and Simulation
edited by and Xing Qian
submission deadline 15 Oct 2025 | 1 articles | Viewed by 1127 | 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)
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 1015 | 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)
Natural and Synthetic Compounds: Processes, Challenges, and Opportunities for Human Health and Environmental Sustainability
edited by and
submission deadline 15 Oct 2025 | Viewed by 726 | 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 604 | Submission Open
Keywords: methane; hydrogen; catalytic cracking; carbon nanostructures; green energy
(This special issue belongs to the Section Energy Systems)
Evaluation and Utilization of Antioxidant Activity in Food Products submission deadline 15 Oct 2025 | Viewed by 274 | Submission Open
Keywords: antioxidant; food; FRAP; CUPRAC; PRAC; ABTS; DPPH; polyphenols; carotenoids; analysis
Chromatographic Techniques in Food Industry Processes
edited by and Jamal Brigui
submission deadline 15 Oct 2025 | Viewed by 237 | 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 6866 | 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 3321 | 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 | 2 articles | Viewed by 2418 | 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 1534 | Submission Open
Keywords: models; control; optimization; industry
(This special issue belongs to the Section Process Control and Monitoring)
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 | 2 articles | Viewed by 1201 | 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)
Machine Learning-Based Intelligent Industry 4.0 Control Systems for Manufacturing submission deadline 20 Oct 2025 | Viewed by 357 | 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)
Green Biotechnology for Synthesis of Metal Nanoparticles from Plant Extracts
edited by
submission deadline 20 Oct 2025 | Viewed by 278 | Submission Open
Keywords: Au/Ag/Pt/Cu nanomaterials; nanoparticles; plant extract; green synthesis; nanoparticle applications
(This special issue belongs to the Section Separation Processes)
Advances in Power Converters in Energy and Microgrid Systems submission deadline 20 Oct 2025 | Viewed by 172 | Submission Open
Keywords: power electronics for DC and AC microgrids; power electronics for renewable energy integration; power electronics for electric drives; power electronics for e-mobility integration; control systems for power electronics
(This special issue belongs to the Section Energy Systems)
Advances in Biomass Conversion to Biofuel Technology submission deadline 20 Oct 2025 | Viewed by 143 | Submission Open
Keywords: biofuel; biomass conversion; sustainable technology; biochar; bio-oil; biogas
(This special issue belongs to the Section Chemical Processes and Systems)
Correlations Between Performance and Structure of Catalytic Materials for Sustainable Process Design submission deadline 20 Oct 2025 | Viewed by 140 | 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 135 | Submission Open
Keywords: chemometrics; machine learning; process analysis; control and optimization; applications  
(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 78 | 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)
Research Progress of Chemical Flooding for Enhanced Oil Recovery
edited by Luiz Carlos L. Santos and
submission deadline 25 Oct 2025 | 2 articles | Viewed by 1638 | 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)
Physicochemical, Thermal, Sensorial, Nutritional, and Flow Properties During Food Processes submission deadline 25 Oct 2025 | 1 articles | Viewed by 1241 | Submission Open
Keywords: food processing; physicochemical features; thermal behavior; sensory properties; nutritional characteristics
(This special issue belongs to the Section Food Process Engineering)
Innovative Strategies and Emerging Technologies in Wastewater Treatment submission deadline 25 Oct 2025 | 1 articles | Viewed by 577 | 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)
Advances in Enzyme Identification and Biocatalytic Applications submission deadline 25 Oct 2025 | Viewed by 403 | 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)
Metal–Organic Frameworks (MOFs) and Applications in Adsorption
edited by , , , Faridullah and Yasir Saeed
submission deadline 25 Oct 2025 | Viewed by 128 | 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)
Synthesis, Characteristics and Applications of Nanoparticles for Photocatalysis
edited by , Sayonara Andrade Eliziario and
submission deadline 25 Oct 2025 | Viewed by 120 | Submission Open
Keywords: synthesis; nanomaterials; nanoparticles; nanocomposites; materials characterization; photocatalysis; catalytic materials; environmental remediation; sustainability; energy gap
(This special issue belongs to the Section Materials Processes)
Innovative Drug Delivery Through Chemically Synthesized Polymers and Terpenoids submission deadline 27 Oct 2025 | Viewed by 495 | 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 | 9 articles | Viewed by 17927 | 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 | 15 articles | Viewed by 15213 | 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 5952 | 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 | 3 articles | Viewed by 2074 | 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 151 | 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)
Process Control and Intensification in Chemical Engineering
edited by
submission deadline 30 Oct 2025 | Viewed by 120 | Submission Open
Keywords: process control; process intensification; industrial intelligence; optimal control
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Decarbonization Processes in Industry
edited by Talieh Rajabloo
submission deadline 30 Oct 2025 | Viewed by 109 | Submission Open
Keywords: carbon capture and utilization in heavy industries; processes for CO2 conversion to high-added-value chemicals; disruptive CO2 conversion technologies; laboratory-; pilot-; and industry-scale CO2 conversion processes; waste heat recovery in CO2 mitigation; renewable carbon resources; processes for the conversion of biomaterial and waste streams to added-value chemicals
(This special issue belongs to the Section Energy Systems)
Green Manufacturing and Low-Carbon Control of Mechanical and Electrical Products
edited by
submission deadline 31 Oct 2025 | 19 articles | Viewed by 49609 | 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)
Recent Advances in Sustainable Electrical Energy Technologies (2nd Edition)
edited by
submission deadline 31 Oct 2025 | 13 articles | Viewed by 15646 | 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 | 4 articles | Viewed by 7207 | 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 7014 | 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 6345 | 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 | 4 articles | Viewed by 5193 | 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)
Design and Numerical Simulation of Photo- and Electrochemical Degradation of Pollutants
edited by and Ever Peralta Reyes
submission deadline 31 Oct 2025 | 4 articles | Viewed by 3940 | Submission Open
Keywords: design of photo- and electrochemical reactors; numerical solution; mathematical modeling; numerical optimization; pollutants; process control
(This special issue belongs to the Section Chemical Processes and Systems)
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