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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Industrial Applications of Modeling Tools submission deadline 20 Jul 2025 | 9 articles | Viewed by 19714 | 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 6801 | 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 4015 | 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 3284 | 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 2598 | 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 Environmental and Green Processes)
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 2029 | 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 1166 | 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 499 | 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 297 | 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)
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 13100 | 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 2105 | Submission Open
Keywords: linear systems; stability; optimization; control; filtering
(This special issue belongs to the Section Process Control and Monitoring)
Design, Modeling and Optimization of Solar Energy Systems
edited by
submission deadline 25 Jul 2025 | 1 articles | Viewed by 809 | 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)
Supercritical Fluid Technology and Its Applications in Separation Processes submission deadline 25 Jul 2025 | 1 articles | Viewed by 744 | Submission Open
Keywords: supercritical fluids; extraction; gasification; phase equilibrium; chromatography; sustainability
(This special issue belongs to the Section Separation Processes)
Synergetic Applications of Machine Learning and Chemical Engineering submission deadline 25 Jul 2025 | Viewed by 434 | 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 197 | Submission Open
Keywords: composites; recycling; sustainable economy; industry; construction; aviation; electrical engineering; building materials; ecology.
(This special issue belongs to the Section Materials Processes)
Upcycling of Polymeric Materials, Carbon Dioxide and IT-Enabled Innovations
edited by Fan Zhang
submission deadline 25 Jul 2025 | Viewed by 115 | 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 18833 | 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 3982 | 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 2941 | 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 | 2 articles | Viewed by 2546 | Submission Open
Keywords: chemometrics; food; food analysis; quality control; modeling
(This special issue belongs to the Section Food Process Engineering)
Non-thermal Technologies in Food Science, 2nd Edition submission deadline 31 Jul 2025 | 9 articles | Viewed by 24418 | 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 22020 | 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 17289 | 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)
Condition Monitoring and the Safety of Industrial Processes
edited by , and
submission deadline 31 Jul 2025 | 8 articles | Viewed by 15290 | 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 13012 | 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 11991 | 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 11591 | 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 9773 | 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 9396 | 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 9182 | 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 | 8 articles | Viewed by 6134 | 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)
Sediment Contamination and Metal Removal from Wastewater
edited by Yahya El Hammoudani, Khadija Haboubi and Fouad Dimane
submission deadline 31 Jul 2025 | 1 articles | Viewed by 3045 | 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 2614 | 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 2449 | 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)
Recent Advances in Additive Manufacturing and 3D Printing
edited by and Jagannadh Satyavolu
submission deadline 31 Jul 2025 | 1 articles | Viewed by 1053 | 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 871 | 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)
Development of Cutting-Edge Nanomaterials and Composite Materials for Sustainable Energy Application
edited by Kunyapat Thummavichai and Fang Xu
submission deadline 31 Jul 2025 | 1 articles | Viewed by 811 | Submission Open
Keywords: composite materials; smart grid application; simulation energy solutions; nanotechnology; renewable applications
(This special issue belongs to the Section Chemical Processes and Systems)
Metal Nanoparticles (MNPs): Green Synthesis and Catalytic Applications submission deadline 31 Jul 2025 | Viewed by 465 | Submission Open
Keywords: adsorption phenomenon; absorption phenomenon; biomedical applications; catalytic applications; characterization; energy storage; environmental remediation; green synthesis; metal nanoparticles; transition energy; water treatments
(This special issue belongs to the Section Chemical Processes and Systems)
Innovations in Waste Heat Recovery in Industrial Processes
edited by and Shukun Wang
submission deadline 31 Jul 2025 | Viewed by 416 | Submission Open
Keywords: waste heat recovery; power generation; thermal management; energy conversion; clean industrial production; thermodynamic systems; carbon reduction potential
(This special issue belongs to the Section Sustainable Processes)
Advances in Optically Functional Nanomaterials
edited by Piyush Agarwal and
submission deadline 31 Jul 2025 | Viewed by 313 | Submission Open
Keywords: quantum optics; nanomaterials; plasmonics; ultrafast lasing; optical communication
(This special issue belongs to the Section Materials Processes)
Recent Advances in Energy and Dynamical Systems submission deadline 31 Jul 2025 | 1 articles | Viewed by 287 | Submission Open
Keywords: dynamic systems; energy systems; estimation; control; simulation; data-driven; fault detection
(This special issue belongs to the Section Energy Systems)
Natural Gas/Hydrogen Liquefaction Processes and Refrigerating System
edited by Heng Sun
submission deadline 31 Jul 2025 | Viewed by 181 | Submission Open
Keywords: liquefaction process; specific energy consumption; natural gas; hydrogen; ortho-para hydrogen conversion; operation simulation; process optimization; control strategy
(This special issue belongs to the Section Energy Systems)
Emerging Technologies for Renewable Energy Utilization to Diversify the Energy Matrix
edited by Edwin Lenin Chica Arrieta and Ainhoa Rubio-Clemente
submission deadline 1 Aug 2025 | 1 articles | Viewed by 2072 | Submission Open
Keywords: renewable energy; environmental impact assessment; developing countries; sustainability; lifecycle analysis; carbon footprint; biodiversity conservation; run-of-the-river hydroelectric; green technology; policy frameworks
(This special issue belongs to the Section Energy Systems)
Extraction, Separation, and Medicinal Analysis of Natural Products
edited by , Mhamed Ahari and Amine Salhi
submission deadline 5 Aug 2025 | 1 articles | Viewed by 1736 | Submission Open
Keywords: natural product; extraction; isolation and purification; characterization; medicinal analysis
(This special issue belongs to the Section Biological Processes and Systems)
Research on Battery Energy Storage in Renewable Energy Systems
edited by and
submission deadline 10 Aug 2025 | 5 articles | Viewed by 12581 | Submission Open
Keywords: battery energy storage; modeling; safety; thermal management; integration; optimization
(This special issue belongs to the Section Energy Systems)
Process Systems Engineering for Environmental Protection submission deadline 10 Aug 2025 | 8 articles | Viewed by 11527 | Submission Open
Keywords: process systems engineering; environmental protection; sustainable development; process analysis; optimization and integration; decision analysis; phase change material; energy storage
(This special issue belongs to the Section Process Control and Monitoring)
Recent Technologies on CO2 Capture and (Photo) Electrochemical Utilization
edited by , , Ning Qi and
submission deadline 10 Aug 2025 | 1 articles | Viewed by 1952 | Submission Open
Keywords: CO2 capture; CO2 utilization; modeling; simulation; and optimization; life-cycle assessment; technoecomomic analysis.
(This special issue belongs to the Section Energy Systems)
Addressing Environmental Issues with Advanced Oxidation Technologies
edited by Maria Alejandra Ayude and Lucila Inés Doumic
submission deadline 10 Aug 2025 | 1 articles | Viewed by 1726 | Submission Open
Keywords: advanced oxidation technologies (AOTs); wastewater treatment; organic and inorganic pollutants; environmental impact; process efficiency and optimization
(This special issue belongs to the Section Environmental and Green Processes)
Design, Inspection and Repair of Oil and Gas Pipelines
edited by Wei Liang
submission deadline 10 Aug 2025 | 3 articles | Viewed by 1676 | Submission Open
Keywords: inherent safety design; load conditions and stress analysis; metal loss inspection techniques; crack; corrosion; or leak detection; intelligent monitoring and prognostics; pipeline and facility integrity; deepwater pipeline design; inspection; or repair; riser replacement or repairs; pipeline valve repairs or change-outs; deepwater maintenance and repair
(This special issue belongs to the Section Energy Systems)
Advances in Interactions of Polymers in Emulsion Systems
edited by Jelena Milinković Budinčić, and
submission deadline 10 Aug 2025 | 1 articles | Viewed by 1553 | Submission Open
Keywords: polymer– surfactant interactions; polymer– polymer interactions; emulsions; adsorption on the interface; polymers; biopolymers; disperse systems; interfacial properties
(This special issue belongs to the Section Chemical Processes and Systems)
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