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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Application of Plasma Technology for Nanomodeling and Nanofabrication
edited by William Chiappim Junior and Felipe de Souza Miranda
submission deadline 15 Jul 2025 | Viewed by 424 | Submission Open
Keywords: plasma technology; nanofabrication; nanomodeling; thin films; plasma spray; atomic layer deposition (ALD); surface modification; plasma-enhanced chemical vapor deposition (PECV); reactive ion etching (RIE); biocompatible coatings
(This special issue belongs to the Section Materials Processes)
Preparation and Application of Intelligent Hydrogel Composites
edited by Rasool Nasseri and Amir Jangizehi
submission deadline 15 Jul 2025 | Viewed by 343 | Submission Open
Keywords: stimuli-responsive hydrogels; anisotropic hydrogels; hydrogel nanocomposites; fast-actuating hydrogels; microporous hydrogels; multi-layered hydrogels
(This special issue belongs to the Section Materials Processes)
Process Optimization, Diagnosis, and Control for Complex Industrial Processes
edited by , Yuanhong Liu and
submission deadline 15 Jul 2025 | Viewed by 305 | Submission Open
Keywords: advanced control technology; process monitoring; fault diagnosis; optimization; emerging technologies; complex industrial systems
(This special issue belongs to the Section Process Control and Monitoring)
Nanocomposites in Electrochemical Reactions: Catalytic Analysis and Applications
edited by Kapil Dhaka
submission deadline 15 Jul 2025 | Viewed by 277 | Submission Open
Keywords: nanocomposites; electrochemical catalysis; CO2 reduction; alcohol oxidation; electrochemical in situ techniques; operando electrochemistry; free energy diagrams; density functional theory (DFT); active site dynamics; sustainable energy catalysis
(This special issue belongs to the Section Catalysis Enhanced Processes)
Industrial Applications of Modeling Tools submission deadline 20 Jul 2025 | 9 articles | Viewed by 19073 | Submission Open
Keywords: mathematical modeling; process simulation and control; process monitoring; process intelligence and machine learning; industrial applications
(This special issue belongs to the Section Process Control and Monitoring)
Electrochemical and Photocatalytic-Based Degradation Technologies for the Treatment of Emerging Contaminants
edited by Wei Wang and
submission deadline 20 Jul 2025 | 4 articles | Viewed by 6360 | Submission Open
Keywords: electrocatalysis; photocatalysis; photoelectrocatalysis; advanced oxidation process; energy system; environmental functional materials; emerging contaminants; degradation technologies
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Technologies for the Production, Processing, and Extraction of Biorefinery Products from Microalgae
edited by and Salem S. Abu Amr
submission deadline 20 Jul 2025 | 2 articles | Viewed by 3820 | Submission Open
Keywords: microalgae biorefinery; biofuel production and extraction microalgae; cultivation techniques; algae-based biofuels; renewable energy from algae
(This special issue belongs to the Section Biological Processes and Systems)
Advanced Technologies of Renewable Energy Sources (RESs)
edited by , Katleho Moloi and Agha F. Nnachi
submission deadline 20 Jul 2025 | 4 articles | Viewed by 2889 | 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)
Integrated Biorefineries for Sustainable Production of Biofuel and Bioproducts
edited by , Ankita Juneja, and
submission deadline 20 Jul 2025 | 3 articles | Viewed by 2104 | Submission Open
Keywords: integrated biorefinery; fermentation; lignin conversion; high-value bioproducts; biofuel; techno-economic analysis; life cycle assessment
(This special issue belongs to the Section Energy Systems)
Advanced Welding and Additive Manufacturing Processes of Metallic Materials
edited by , Qian Wang and Qiudong Wang
submission deadline 20 Jul 2025 | 1 articles | Viewed by 1969 | Submission Open
Keywords: welding; additive manufacturing; metallic material; formation mechanism; microstructure characterization; mechanical behavior; fracture; fatigue; modeling and simulation
(This special issue belongs to the Section Manufacturing Processes and Systems)
High-Value-Added Utilization of Food and Food By-Products submission deadline 20 Jul 2025 | 1 articles | Viewed by 1102 | 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)
Environmental Fate, Ecological Impact and Treatment of Emerging Organic Pollutants (EOPs) submission deadline 20 Jul 2025 | Viewed by 487 | 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)
Semiconductors Design, Synthesis and Applications in Energy/Environmental Photocatalysis
edited by Jianfeng Ye
submission deadline 20 Jul 2025 | Viewed by 293 | Submission Open
Keywords: material design; interfacial interaction; heterostructures; solar water oxidation; photocatalytic water splitting
(This special issue belongs to the Section Chemical Processes and Systems)
Cutting-Edge Approaches for the Plastic Recycling
edited by , Zhaohan Yu and Shehla Mushtaq
submission deadline 20 Jul 2025 | Viewed by 264 | Submission Open
Keywords: energy efficient; plastic pollution; pyrolysis; thermal recycling; chemical and mechanical recycling; downcycling and upcycling; waste management; pyrolysis; depolymerization; circular plastic economy
(This special issue belongs to the Section Chemical Processes and Systems)
Recent Advances in the Effects of Thermal Processes on Alloy Microstructure and Mechanical Properties
edited by Milica Vasić and Qingmin Yu
submission deadline 20 Jul 2025 | Viewed by 141 | Submission Open
Keywords: alloys; heat treatment; thermal stability; microstructure; phase transformations; precipitation strengthening; mechanical properties
(This special issue belongs to the Section Materials Processes)
Advancements in Photocatalytic Nanostructures: Synthesis, Characterization and Applications
edited by Giane Gonçalves Lenzi
submission deadline 20 Jul 2025 | Viewed by 117 | Submission Open
Keywords: photocatalysis; nanostructures; synthesis; characterization; applications; solar energy utilization; water treatment; air purification; CO2 reduction; materials science; environmental remediation; catalyst design; advanced materials
(This special issue belongs to the Section Catalysis Enhanced Processes)
Process Safety and Monitoring of Intelligent and Green Mining Technology
edited by Yang Li, Guanglei Zhou and Feiyue Liu
submission deadline 25 Jul 2025 | 9 articles | Viewed by 12850 | Submission Open
Keywords: mining technology; mine safety technology; rock mass stability; ground pressure disaster; mine monitoring and early warning
(This special issue belongs to the Section Energy Systems)
Stability and Optimal Control of Linear Systems
edited by and Carlos Eduardo Trabuco Dórea
submission deadline 25 Jul 2025 | 4 articles | Viewed by 1976 | Submission Open
Keywords: linear systems; stability; optimization; control; filtering
(This special issue belongs to the Section Process Control and Monitoring)
Process Safety Technology for Nuclear Reactors and Power Plants
edited by , Jipu Wang and Sijuan Chen
submission deadline 25 Jul 2025 | 3 articles | Viewed by 1760 | Submission Open
Keywords: nuclear safety; passive safety systems; digitalization in nuclear power; risk-informed decision making; AI in nuclear lifecycle management
(This special issue belongs to the Section Energy Systems)
Supercritical Fluid Technology and Its Applications in Separation Processes submission deadline 25 Jul 2025 | 1 articles | Viewed by 667 | Submission Open
Keywords: supercritical fluids; extraction; gasification; phase equilibrium; chromatography; sustainability
(This special issue belongs to the Section Separation Processes)
Design, Modeling and Optimization of Solar Energy Systems
edited by
submission deadline 25 Jul 2025 | Viewed by 521 | Submission Open
Keywords: solar energy system; hybrid solar energy systems; mathematical modeling; efficiency enhancement techniques; optimization; performance; and sustainability
(This special issue belongs to the Section Energy Systems)
Synergetic Applications of Machine Learning and Chemical Engineering submission deadline 25 Jul 2025 | Viewed by 422 | Submission Open
Keywords: machine learning; chemical engineering; crystallization processes; process modeling and simulation; advanced control strategies; predictive maintenance; process optimization; deep learning and neural networks; process intensification; sustainability
(This special issue belongs to the Section Chemical Processes and Systems)
Synthesis, Applications, and Optimization of Composite Materials in Industry and the Environment
edited by , , Iga Jasińska and Michał Breszka
submission deadline 25 Jul 2025 | Viewed by 190 | Submission Open
Keywords: composites; recycling; sustainable economy; industry; construction; aviation; electrical engineering; building materials; ecology.
(This special issue belongs to the Section Materials Processes)
Advances in Metal Organic Frameworks (MOFs) for Fluorescence Sensing
edited by Rana Dalapati
submission deadline 25 Jul 2025 | Viewed by 174 | Submission Open
Keywords: metal organic frameworks (MOFs); fluorescence sensing; sensing mechanism; host– guest interactions; post-synthetic modification
(This special issue belongs to the Section Chemical Processes and Systems)
Upcycling of Polymeric Materials, Carbon Dioxide and IT-Enabled Innovations
edited by Fan Zhang
submission deadline 25 Jul 2025 | Viewed by 112 | Submission Open
Keywords: recycling and upcycling; CO2-based materials; carbon dioxide utilization; process control; circular economy; digital twins; IT-driven optimization and innovations in recycling and upcycling
(This special issue belongs to the Section Materials Processes)
Separation and Extraction Techniques in Food Processing and Analysis submission deadline 30 Jul 2025 | 9 articles | Viewed by 18030 | Submission Open
Keywords: separation; extraction; food processing; food quality; new sorbents; green solvents; materials and technologies; sample preparation
(This special issue belongs to the Section Food Process Engineering)
Advanced Electrocatalysts for Clean and Renewable Energy Conversion and Storage Processes submission deadline 30 Jul 2025 | 2 articles | Viewed by 3900 | Submission Open
Keywords: hydrogen evolution reaction; oxygen evolution reaction; oxygen reduction reaction; bifunctional electrocatalysts; metal-air batteries; water-splitting cells; alkaline fuel cells; low-cost electrocatalysts
(This special issue belongs to the Section Catalysis Enhanced Processes)
Advances in Chemical Looping Technologies
edited by and Jingchun Yan
submission deadline 30 Jul 2025 | 3 articles | Viewed by 2806 | Submission Open
Keywords: chemical looping technologies; oxygen carrier; carbon capture and utilization; clean energy; thermochemical energy storage
(This special issue belongs to the Section Chemical Processes and Systems)
Chemometrics in Food Quality Control: New Challenges and Cutting-Edge Approaches submission deadline 30 Jul 2025 | 1 articles | Viewed by 2262 | Submission Open
Keywords: chemometrics; food; food analysis; quality control; modeling
(This special issue belongs to the Section Food Process Engineering)
New Trends in Smart Grid and Sustainable Energy Systems submission deadline 30 Jul 2025 | 1 articles | Viewed by 2012 | Submission Open
Keywords: smart grid; microgrid on-grid; small means of distributed generation (PMGD); electrical energy distribution; distributed energy resources (DER); service quality standards; energy homeostasis; sustainable energy systems (SES)
(This special issue belongs to the Section Energy Systems)
Theoretical Progress in the Exploration and Development of Deep Coal-Measure Gas
edited by , and Xuanxuan Chu
submission deadline 31 Jul 2025 | 24 articles | Viewed by 24261 | Submission Open
Keywords: deep coal seam; coal reservoirs; physical properties; development technology; predictive evaluation
(This special issue belongs to the Section Chemical Processes and Systems)
Non-thermal Technologies in Food Science, 2nd Edition submission deadline 31 Jul 2025 | 9 articles | Viewed by 23782 | 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)
Manufacturing Processes: Enhancements through Smart and Sustainable Approaches
edited by and Qingping Yang
submission deadline 31 Jul 2025 | 13 articles | Viewed by 21179 | Submission Open
Keywords: manufacturing processes; smart process enhancements; sustainability; sustainable manufacturing; sustainable supply chains; environmental impact assessment; additive manufacturing
(This special issue belongs to the Section Manufacturing Processes and Systems)
Heat and Mass Transfer Phenomena in Energy Systems
edited by
submission deadline 31 Jul 2025 | 15 articles | Viewed by 16330 | Submission Open
Keywords: heat exchanger fundamentals; heat transfer enhancement; combined heat and mass transfer; natural and mixed convection; refrigeration and air conditioning; renewable energy components
(This special issue belongs to the Section Energy Systems)
Transport and Energy Conversion at the Nanoscale and Molecular Scale
edited by and
submission deadline 31 Jul 2025 | 6 articles | Viewed by 16120 | Submission Open
Keywords: nanotechnology; nanostructures; molecules; charge transport; heat transfer; energy conversion; electrochemical
(This special issue belongs to the Section Energy Systems)
Condition Monitoring and the Safety of Industrial Processes
edited by , and
submission deadline 31 Jul 2025 | 7 articles | Viewed by 14602 | Submission Open
Keywords: process monitoring; fault detection; fault diagnosis; fault prognosis; safety; multivariate statistical process monitoring; principal component analysis; predictive maintenance
(This special issue belongs to the Section Process Control and Monitoring)
New Technologies and Processing of Photoelectric Functional Materials and Devices submission deadline 31 Jul 2025 | 7 articles | Viewed by 12494 | Submission Open
Keywords: perovskite materials; low-dimensional materials and heterostructures; organic materials; quantum dots; light-emitting diodes (LEDs); photodetectors; photovoltaic devices
(This special issue belongs to the Section Materials Processes)
Clean and Efficient Technology in Energy and the Environment
edited by and
submission deadline 31 Jul 2025 | 7 articles | Viewed by 11463 | Submission Open
Keywords: clean and efficient technology; combustion; pyrolysis; gasification; hydrogen production; VOCs purification; heavy metals treatment
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Process Systems Engineering: Selected Papers from China PSE Annual Meeting
edited by and
submission deadline 31 Jul 2025 | 11 articles | Viewed by 11006 | Submission Open
Keywords: process design; artificial intelligence; process control; supply chain; optimization; carbon neutrality; sustainable development
(This special issue belongs to the Section Process Control and Monitoring)
Recent Advances in Hydrocarbon Production Processes from Geoenergy
edited by , Fengrui Sun and
submission deadline 31 Jul 2025 | 11 articles | Viewed by 9267 | Submission Open
Keywords: hydrate; unconventional reservoir; hot dry rock; coalbed methane reservoir; EOR; geo-engineering; reservoir stimulation
(This special issue belongs to the Section Energy Systems)
Biomass to Renewable Energy Processes, 2nd Edition
edited by Giulia Monteleone and
submission deadline 31 Jul 2025 | 4 articles | Viewed by 8884 | Submission Open
Keywords: circular economy; renewable energy; bioenergy; advanced biofuel; biorefinery; energy efficiency
(This special issue belongs to the Section Energy Systems)
Recent Advances in Carbon Capture, Utilisation and Storage Technology and the Green Development of Geological Energy submission deadline 31 Jul 2025 | 5 articles | Viewed by 8766 | Submission Open
(This special issue belongs to the Section Chemical Processes and Systems)
Modeling and Optimization for Multi-scale Integration
edited by
submission deadline 31 Jul 2025 | 7 articles | Viewed by 5327 | Submission Open
Keywords: modeling; optimization; multi-scale; digital twin; simulation; data-driven modeling; scale-up
(This special issue belongs to the Section Chemical Processes and Systems)
Design and Optimisation of Solar Energy Systems
edited by Manuel Jesús Rodríguez-Pérez, and Felipe Noh Pat
submission deadline 31 Jul 2025 | Viewed by 3212 | Submission Open
Keywords: photovoltaic technologies; solar thermal energy collectors; storage; and conversion; energy system modeling and optimization; renewable energy modeling and optimization; passive; active; and hybrid solar thermal systems; photoelectrochemical processes; sustainable energy solutions; solar energy harvesting; advanced solar materials; solar energy materials: synthesis and characterization; nanomaterials for photovoltaic applications; characterization and structure– property relations of new energy materials
(This special issue belongs to the Section Energy Systems)
Sediment Contamination and Metal Removal from Wastewater
edited by Yahya El Hammoudani, Khadija Haboubi and Fouad Dimane
submission deadline 31 Jul 2025 | Viewed by 2736 | 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)
Extraction, Separation, and Purification of Bioactive Compounds
edited by Martina Jakovljević Kovač and
submission deadline 31 Jul 2025 | 2 articles | Viewed by 2425 | Submission Open
Keywords: extraction; purification; bioactive components; solvents; chromatography; optimization; innovative techniques
(This special issue belongs to the Section Separation Processes)
Recycling and Value-Added Utilization of Secondary Resources
edited by Jiawei Wen, Wenhao Yu and
submission deadline 31 Jul 2025 | 2 articles | Viewed by 2243 | 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)
Experiments and Numerical Simulations for Heat Transfer and Flow of Supercritical Fluids
edited by Qian Li, Jue Wang and Wenke Zheng
submission deadline 31 Jul 2025 | 3 articles | Viewed by 1869 | Submission Open
Keywords: supercritical fluids; testing technology; numerical simulation method; flow and heat transfer; system; equipment; CO2 brayton cycle; natural gas liquefaction and gasification
(This special issue belongs to the Section Energy Systems)
Recent Advances in Additive Manufacturing and 3D Printing
edited by and Jagannadh Satyavolu
submission deadline 31 Jul 2025 | 1 articles | Viewed by 871 | Submission Open
Keywords: additive manufacturing; 3D printing technologies; hybrid nanocomposites; biobased materials; biocompatible materials; multi-material printing; aerospace applications; sustainable manufacturing; large-scale 3D printing; advanced manufacturing techniques
(This special issue belongs to the Section Manufacturing Processes and Systems)
Clean Energy Systems—Current State and Future Perspectives
edited by Jiale Yan and
submission deadline 31 Jul 2025 | 1 articles | Viewed by 820 | Submission Open
Keywords: clean energy use and consumption; development of clean energy technologies; clean energy transmission and conversion; optimization of clean energy supply networks; clean energy and economic policy; clean energy and regional development
(This special issue belongs to the Section Energy Systems)
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