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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New Trends in Thermal Energy Storage and Its Applications
edited by , Emre Artun and
submission deadline 30 Nov 2025 | Viewed by 96 | Submission Open
Keywords: thermal energy storage; phase-change materials; nano-enhanced materials; renewable energy; energy efficiency; sustainable energy solutions; design and optimization; practical applications
(This special issue belongs to the Section Energy Systems)
Design, Fabrication, Modeling, and Control in Biomedical Systems
edited by Fulufhelo Nemavhola, Thanyani Pandelani and
submission deadline 30 Nov 2025 | Viewed by 91 | Submission Open
Keywords: biomedical systems; medical device design; additive manufacturing in healthcare; computational modeling in biomedicine; control systems in biomedical applications; AI-driven biomedical engineering; finite-element analysis in healthcare; biocompatible materials; wearable and implantable devices; robotics in healthcare; digital twins in medicine; smart materials for medical applications; nanotechnology in biomedicine; cyber-physical systems in healthcare; internet of medical things (IoMT); human– machine interaction in medicine
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Metal Catalyst: Synthesis and Application
edited by and
submission deadline 30 Nov 2025 | Viewed by 86 | Submission Open
Keywords: catalyst design and engineering; metal-based catalysts; nanostructured catalysts; single-atom catalysts; heterogeneous catalysis; electrocatalysis and thermocatalysis; advanced characterization; system design and integration
(This special issue belongs to the Section Materials Processes)
Development of New Processes for the Recovery of Metals from Waste Streams
edited by and Fatemeh Pourhossein
submission deadline 30 Nov 2025 | Viewed by 84 | Submission Open
Keywords: metal recovery; waste stream processing; critical raw materials; electronic waste; E-waste; sustainable processes; circular economy; supply chain risks; rare metal recovery; pyrometallurgy; acid waste management
(This special issue belongs to the Section Environmental and Green Processes)
Modeling Sustainable Processes—Aiming Towards Decarbonization in the Era of Artificial Intelligence
edited by and Hasan Sildir
submission deadline 30 Nov 2025 | Viewed by 81 | Submission Open
Keywords: process dynamics; mathematical modeling; process integration and optimization; chemical and biological processes; artificial intelligence; big data; sustainability
(This special issue belongs to the Section Chemical Processes and Systems)
Synthesis and Application of Photocatalysts
edited by and Mali Zhao
submission deadline 30 Nov 2025 | Viewed by 80 | Submission Open
Keywords: photocatalysis; synthesis methods; solar energy conversion; environmental remediation; water splitting; CO2 reduction; sustainable chemistry; nanomaterials; heterostructured catalysts; photocatalytic applications; green chemistry; energy harvesting; metal– organic frameworks (MOFs)
(This special issue belongs to the Section Catalysis Enhanced Processes)
Analysis and Processes of Bioactive Components in Natural Products
edited by and Sanja Radman
submission deadline 30 Nov 2025 | Viewed by 75 | Submission Open
Keywords: bioactive components; natural products; extraction; isolation; characterization methods; biological activity
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Enhanced Oil Recovery Processes
edited by Adolfo P. Pires and Dongmei Wang
submission deadline 30 Nov 2025 | Viewed by 73 | Submission Open
Keywords: enhanced oil recovery; flow in porous media; reservoir simulation; carbon capture; chemical flooding; miscible flooding; thermal flooding
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Water Resource Pollution Mitigation Processes
edited by and Aldo Saavedra
submission deadline 30 Nov 2025 | Viewed by 71 | Submission Open
Keywords: circular economy; wastewater treatment; modelling; simulation; sustainable process; NBS; innovation; water pollution; membrane processes; valorization; nanotechnology
(This special issue belongs to the Section Environmental and Green Processes)
Hybrid Artificial Intelligence for Smart Process Control
edited by and Haruki Ueno
submission deadline 30 Nov 2025 | Viewed by 64 | Submission Open
Keywords: Artificial Intelligence (AI); Machine Learning (ML); smart process control; industrial automation; data-driven process control; predictive analytics; deep learning; real-time data processing; control systems; Internet of Things (IoT)
(This special issue belongs to the Section Automation Control Systems)
Research Advances in Modeling, Optimization, and Control of Distributed Energy Systems
edited by Yskandar M. Hamam and
submission deadline 30 Nov 2025 | Viewed by 55 | Submission Open
Keywords: renewable energy; optimal planning; optimal operation and control; distributed energy management; mixed energy sources; energy storage management.
(This special issue belongs to the Section Energy Systems)
Advances in Bioenergy and Sustainable Biomaterial Production Processes
edited by and Guang-Way Jang
submission deadline 30 Nov 2025 | Viewed by 53 | Submission Open
Keywords: biomass-based hydrogen; biofuels; waste to energy; bioeconomy; nanotech catalysts; genetically engineered; sustainable biomaterials
(This special issue belongs to the Section Energy Systems)
Nanomaterials and Flexible Electronic Devices: Processing, Diagnostics and Applications
edited by Yongchao Yu, Ming Xiao and
submission deadline 30 Nov 2025 | Viewed by 51 | Submission Open
Keywords: novel nanomaterials for flexible electronics; advanced manufacturing and processing techniques; diagnostics and performance optimization; emerging applications in flexible electronics
(This special issue belongs to the Section Materials Processes)
Deep Eutectic Liquids in Chemical Engineering Processes: Extraction, Catalysis, Energy, and More
edited by
submission deadline 30 Nov 2025 | Viewed by 51 | Submission Open
Keywords: deep eutectic liquids (DELs); sustainable alternative; extraction efficiency; catalytic systems; electrochemical processes; material engineering; energy storage; biomaterial synthesis; separation processes; chemical engineering applications
(This special issue belongs to the Section Chemical Processes and Systems)
(Chemo)biocatalytic Upgrading of Biobased Chemicals and Materials
edited by and Bo Fan
submission deadline 30 Nov 2025 | Viewed by 41 | Submission Open
Keywords: biocatalysis; chemobiological upgrading; biomass pretreatment; value-added chemicals; biofuels; biorefinery; process integration
(This special issue belongs to the Section Catalysis Enhanced Processes)
Processing and Bioactivity Evaluation of Functional Foods
edited by Muhammad Yasir Naeem
submission deadline 30 Nov 2025 | Viewed by 25 | Submission Open
Keywords: bioactive compounds; functional foods; product development; nano-encapsualtion; nutraceutical compounds
(This special issue belongs to the Section Food Process Engineering)
Sensor Network Control and Advanced Digital Technology submission deadline 1 Dec 2025 | Viewed by 312 | Submission Open
Keywords: sensor networks; Internet of Things (IoT); IoT applications; sustainability
(This special issue belongs to the Section AI-Enabled Process Engineering)
Studies on Waste Resource Utilization and Its Processing Technologies submission deadline 5 Dec 2025 | 1 articles | Viewed by 609 | Submission Open
Keywords: waste-to-energy; refuse-derived fuels; waste characterization; sustainability; recycling; waste resource utilization; waste management; life cycle assessment; techno-economic assessment; waste processing technologies
(This special issue belongs to the Section Environmental and Green Processes)
Selected Papers from the Sustainable Energy and Process Technologies Conference submission deadline 5 Dec 2025 | Viewed by 105 | Submission Open
Keywords: energy storage; energy carriers; biobased chemistry; electrification of the process industry; process intensification
(This special issue belongs to the Section Sustainable Processes)
Progress on Biomass Processing and Conversion submission deadline 10 Dec 2025 | 5 articles | Viewed by 6390 | Submission Open
Keywords: biomass conversion; energy production; methane; hydrogen; ethanol; pretreatment
(This special issue belongs to the Section Biological Processes and Systems)
Application of Enzymes in Sustainable Biocatalysis
edited by Carminna Ottone, and
submission deadline 10 Dec 2025 | 3 articles | Viewed by 4243 | Submission Open
Keywords: biocatalysis; immobilisation strategies; biorefinery; bioactive compounds; food waste valorization; climate change; biotechnology; bioenergy
(This special issue belongs to the Section Biological Processes and Systems)
Small Molecule Organic Compounds: Synthesis and Medicinal Properties
edited by Srinivasulu Cherukupalli
submission deadline 10 Dec 2025 | Viewed by 1015 | Submission Open
Keywords: organic synthesis; heterocyclic compounds; medicinal chemistry; molecular docking; biological evaluation; SAR studies
(This special issue belongs to the Section Chemical Processes and Systems)
Study on Biomass Conversion and Biorefinery
edited by Yushuai Sang and Hanzhang Gong
submission deadline 10 Dec 2025 | Viewed by 459 | Submission Open
Keywords: biomass conversion; biomass derivatives; biorefinery; gasification; pyrolysis; hydrothermal liquefaction; catalytic conversion; biomass fermentation
(This special issue belongs to the Section Biological Processes and Systems)
Green and Scalable Bioprocess Engineering: Enzymatic Systems, Process Intensification and Sustainable Applications submission deadline 10 Dec 2025 | Viewed by 333 | Submission Open
Keywords: enzymatic bioprocessing; biopharmaceutical processes; biocatalysis; downstream processing; scale-up; process intensification; green chemistry; bio-based products; circular bioeconomy; biomass valorization
(This special issue belongs to the Section Biological Processes and Systems)
Advanced Membrane Technology in Air Pollution Treatment
edited by Yutang Kang and
submission deadline 10 Dec 2025 | Viewed by 282 | Submission Open
Keywords: particulate matter; volatile organic compounds; membrane; electrospinning membrane; nanofibrous membrane; catalytic membrane; ceramic membrane; air filtration; air cleaning; air purification
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Waste Valorization into High-Value Chemicals
edited by
submission deadline 10 Dec 2025 | Viewed by 188 | Submission Open
Keywords: waste valorization; resource recovery; circular economy; high-value chemicals; innovative process design; sustainable development; process optimization
(This special issue belongs to the Section Chemical Processes and Systems)
Machine Learning for Predictive Modeling and Optimization of Manufacturing Processes
edited by Atiq Ur Rehman and Fawad Ali
submission deadline 10 Dec 2025 | Viewed by 131 | Submission Open
Keywords: machine learning; predictive modeling; manufacturing processes; process optimization; smart manufacturing; deep learning; reinforcement learning; predictive maintenance; process control; defect detection; feature engineering; explainable AI; data-driven manufacturing; Industry 4.0; digital twins; sustainable and smart manufacturing; heuristic optimization methods
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Properties and Applications of Electrospun Fibers
edited by and
submission deadline 10 Dec 2025 | 1 articles | Viewed by 103 | Submission Open
Keywords: electrospinning; nanomaterials; functional materials; advanced fabrication techniques; flexible electronics
(This special issue belongs to the Section Materials Processes)
AI-Driven Automation for Industrial Transformation: Innovations in Smart Systems, Machine Learning and Sustainable Processes
edited by Mohieddine Jelali
submission deadline 10 Dec 2025 | Viewed by 69 | Submission Open
Keywords: smart sensors; data engineering; computer vision; machine learning; deep learning; cognitive computing; AI-driven modeling; monitoring; or control; industrial IoT; AI-based design or engineering for sustainability
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advanced Carbon Nanomaterials from Biomass for Energy Storage and Environmental Applications
edited by , Alain Ricardo Picos Benítez and Oscar Manuel Rodríguez Narváez
submission deadline 10 Dec 2025 | Viewed by 64 | Submission Open
Keywords: biomass-derived carbon nanomaterials; energy storage applications; environmental remediation; thermochemical conversion; biochar and activated carbon; sustainability and circular economy
(This special issue belongs to the Section Materials Processes)
Sustainable Bio- and Energy Polymers and Materials: Synthesis and Environmental Applications
edited by
submission deadline 10 Dec 2025 | Viewed by 55 | Submission Open
Keywords: catalysts; polymerization; bio-based materials; sustainable polymers; biomass conversion; environmental applications
(This special issue belongs to the Section Materials Processes)
Fundamental Materials Simulation and Experimental Research for Solar Cells and Industrial Applications submission deadline 10 Dec 2025 | Viewed by 32 | Submission Open
Keywords: nanomaterials; DFT; photovoltaic; nanomaterials for energy; nanomaterial applications; electrochemical; passivation; thin films and semiconductors; inorganic chemistry; computational materials and applications
(This special issue belongs to the Section Materials Processes)
Activated Carbon: Contaminant Removal for Environmental Sustainability submission deadline 15 Dec 2025 | 6 articles | Viewed by 17764 | Submission Open
Keywords: activated carbon; pesticides; pharmaceutical products; metals; biomass; wastewater treatment; regeneration; circular economy
(This special issue belongs to the Section Sustainable Processes)
Bioreactor Design and Optimization Process submission deadline 15 Dec 2025 | 4 articles | Viewed by 5398 | Submission Open
Keywords: bioreactor design; process intensification; CFD; mass transfer; innovative bioreactors; productivity; process optimization; solid-state bioreactors
(This special issue belongs to the Section Biological Processes and Systems)
Processes in Industry 4.0/5.0: Automation, Robotics and Smart Manufacturing
edited by
submission deadline 15 Dec 2025 | 3 articles | Viewed by 3082 | Submission Open
Keywords: automation control; robotics; smart manufacturing; smart factories; Industry 4.0; Industry 5.0
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Electromagnetic Energy Applications for Sustainable Processes submission deadline 15 Dec 2025 | 2 articles | Viewed by 2635 | Submission Open
Keywords: electromagnetic field and matter interaction and modelling; new chemical routes or intensified processes; electromagnetic field technologies aimed at sustainability; processes electrification; electromagnetic-driven processes for CO2 footprint reduction; electromagnetic processes with circularity; recycling; and wastes as a source; microwave-driven processes monitoring and control
(This special issue belongs to the Section Energy Systems)
Metal Oxides and Their Composites for Photocatalytic Degradation
edited by Jaideep Malik, Surjeet Chahal and Parmod Kumar
submission deadline 15 Dec 2025 | 2 articles | Viewed by 2034 | Submission Open
Keywords: metal oxides; semiconductor photocatalsysis; composite materials; photocatalyst; wastewater treatment; dye degradation; hetrojunction; advanced oxidation processes (AOPs); environmental remediation; nanomaterials; solar catalysis
(This special issue belongs to the Section Chemical Processes and Systems)
Food Biochemistry and Health: Recent Developments and Perspectives
edited by
submission deadline 15 Dec 2025 | 2 articles | Viewed by 1525 | Submission Open
Keywords: food biochemistry; food composition; nutrients; healthy diets functional foods; novel foods; food supplements
(This special issue belongs to the Section Food Process Engineering)
Green Development Models and Cleaner Production
edited by , and Yue Zhu
submission deadline 15 Dec 2025 | 2 articles | Viewed by 1388 | Submission Open
Keywords: green energy; cleaner production; carbon emission; green finance; environmental regulation; sustainability
(This special issue belongs to the Section Sustainable Processes)
Energy Storage Planning, Control, and Dispatch for Grid Dynamic Enhancement
edited by and Wentao Jiang
submission deadline 15 Dec 2025 | 3 articles | Viewed by 1093 | Submission Open
Keywords: energy storage system; energy storage optimization and control; energy storage dispatch technologies; integrated source– grid– load– storage coordinated control; grid dynamic enhancement
(This special issue belongs to the Section Energy Systems)
Advances in Biomass Pyrolysis Processes
edited by , Jiawei Wang and
submission deadline 15 Dec 2025 | Viewed by 488 | Submission Open
Keywords: biomass pyrolysis; reactor engineering and process intensification; autothermal pyrolysis systems; catalytic pyrolysis; reactive catalytic pyrolysis; catalytic hydropyrolysis; bio-oil hydrodeoxygenation; pyrolysis reaction kinetics; heat and mass transfer phenomena; feedstock preprocessing and co-pyrolysis; process optimization in pyrolysis
(This special issue belongs to the Section Environmental and Green Processes)
Innovations in Carbon Capture and Storage/Utilization (CCS-CCU): Sustainable Engineering and Biotechnological Perspectives submission deadline 15 Dec 2025 | Viewed by 455 | Submission Open
Keywords: carbon dioxide capture; carbon dioxide utilization; carbon dioxide storage; emission reduction; sustainable practices; climate change mitigation; engineering strategies; biotechnological innovations; life cycle assessment
(This special issue belongs to the Section Energy Systems)
Advances in Solar Energy and Heat Storage Systems
edited by and Min Xu
submission deadline 15 Dec 2025 | Viewed by 440 | Submission Open
Keywords: solar energy; photothermal therapy; photothermal conversion; photothermal materials; photothermal catalysis; absorption/adsorption; thermal storage; solar evaporation; thermochemical energy; building-integrated solar energy systems
(This special issue belongs to the Section Energy Systems)
Microstructural and Chemical Characteristics of Recycled Construction Materials
edited by
submission deadline 15 Dec 2025 | Viewed by 406 | Submission Open
Keywords: microstructure; chemical; recycled; construction; material
(This special issue belongs to the Section Materials Processes)
Product Design and the Optimization of Technologies for Manufacturing Processes
edited by , Rodica Sturza and
submission deadline 15 Dec 2025 | Viewed by 182 | Submission Open
Keywords: manufacturing optimization; product and process design; engineering processes; environmental engineering; sustainability and circular economy; mechatronics and robotics; chemical processes; food engineering; energy processes; information systems and technology
(This special issue belongs to the Section Manufacturing Processes and Systems)
New Trends in the Modeling and Design of Micro/Nano-Devices
edited by Yiming Li and
submission deadline 15 Dec 2025 | Viewed by 106 | Submission Open
Keywords: computational design for all micro/nano-devices; multiphysics; modeling; simulation; and optimization; learning-based methodologies
(This special issue belongs to the Section Materials Processes)
Microalgae Technology in Wastewater Treatment: Applications and Prospects
edited by Jun Qian
submission deadline 15 Dec 2025 | Viewed by 90 | Submission Open
Keywords: microalgae; wastewater treatment; carbon neutrality; algae– bacteria interactions; resource recovery; bioreactor design; circular economy; carbon capture and utilization (CCU); sustainable biomass; high-value products
(This special issue belongs to the Section Environmental and Green Processes)
Process Monitoring and Fault Diagnosis of Multi-Mode Complex Industry
edited by Diego Rodrigo Cabral Silva
submission deadline 15 Dec 2025 | Viewed by 78 | Submission Open
Keywords: process monitoring; fault diagnosis; multi-mode systems; Industry 4.0; machine learning; data analytics; sensor technologies; real-time monitoring; cyber– physical systems; predictive maintenance
(This special issue belongs to the Section Process Control and Monitoring)
Risk Monitoring and Control Theory for Chemical Processes and Energy Systems
edited by , Yih-Wen Wang and
submission deadline 15 Dec 2025 | Viewed by 70 | Submission Open
Keywords: industry; safety; management; prevention; disasters; technology
(This special issue belongs to the Section Process Control and Monitoring)
Advances in the Design, Synthesis and Applications of Nanostructured Materials
edited by Andrés Ramírez Ramírez, María Eugenia González and Mara Cea
submission deadline 15 Dec 2025 | Viewed by 34 | Submission Open
Keywords: nanostructures; energy; environment; catalyst; carbon-biobased nanostructures; nanocomposite materials; supercapacitors
(This special issue belongs to the Section Materials Processes)
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