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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Towards Advanced and Sustainable Bio-Based Materials for Green Technologies
edited by and
submission deadline 15 Jun 2026 | Viewed by 167 | Submission Open
Keywords: bio-based materials; green technologies; sustainable polymers; chitosan and cellulose; green solvents; functional coatings; nanocomposites; circular economy; sustainable process design
(This special issue belongs to the Section Biological Processes and Systems)
Microstructural Evolution, Corrosion, and Performance of Metallic Materials
edited by Gláucio Soares Da Fonseca and Elivelton Alves Ferreira
submission deadline 15 Jun 2026 | Viewed by 107 | Submission Open
Keywords: microstructural evolution; phase transformations; corrosion behaviour; metallic materials performance; stainless steels; residual stress and inspection; magnetic Barkhausen noise (MBN); non-destructive testing/inspection
(This special issue belongs to the Section Manufacturing Processes and Systems)
Process Innovation and Intensification in Photobioreactors for Enhanced Biomass and Bioenergy Production submission deadline 15 Jun 2026 | Viewed by 105 | Submission Open
Keywords: photobioreactor design and optimization; microalgae and cyanobacteria cultivation; computational fluid dynamics (CFD); light distribution and photon management; bioprocess engineering; techno-economic feasibility; biofuel conversion; scale-up strategies; CO2  fixation and utilization; upstream and downstream processing
(This special issue belongs to the Section Biological Processes and Systems)
Modeling, Control and Optimization of Food Fermentation Processes
edited by and Paola Maturano
submission deadline 15 Jun 2026 | Viewed by 68 | Submission Open
Keywords: fermentative process; modeling; control process; design; microorganisms; bioprocess; optimization; food; beverage
(This special issue belongs to the Section Food Process Engineering)
AI-Driven Innovations for Enhancing Power System Stability and Operational Efficiency
edited by
submission deadline 18 Jun 2026 | 11 articles | Viewed by 10374 | Submission Open
Keywords: inverter-based resources (IBRs); dispatch optimization; battery energy storage systems (BESSs); power systems stability; distributed energy resources (DERs); transmission and distribution planning; artificial intelligence (AI); electricity markets
(This special issue belongs to the Section Energy Systems)
Advances in Rheology, Biodegradability and Mechanical Properties of Polymers
edited by and Bruno Felipe Urbano Cantillana
submission deadline 20 Jun 2026 | 4 articles | Viewed by 18098 | Submission Open
Keywords: rheology; dynamic mechanical analysis; biodegradable polymers; biodegradability; viscosity; soft matter; hydrogels; nanocomposites
(This special issue belongs to the Section Materials Processes)
Artificial Intelligence-Based Analytics for Data-Driven Decision-Making in Industrial Process Engineering
edited by , Jian Zhang and Dong-Qing Yuan
submission deadline 20 Jun 2026 | 7 articles | Viewed by 13382 | Submission Open
Keywords: data analytics; decision-making; anomaly recognition; Intelligent monitoring systems; artificial intelligence
(This special issue belongs to the Section AI-Enabled Process Engineering)
Multi-Criteria Decision Making in Chemical and Process Engineering submission deadline 20 Jun 2026 | 3 articles | Viewed by 10715 | Submission Open
Keywords: multi-criteria decision making; multi-criteria analysis; process selection; process design; multi-objective optimization; chemical processes; sustainable chemical engineering; sensitivity analysis
(This special issue belongs to the Section Chemical Processes and Systems)
Data-Driven Modeling and Applications for Flow, Heat Transfer, and Combustion
edited by Songbai Yao, , Bosen Wang and Weijia Qian
submission deadline 20 Jun 2026 | 5 articles | Viewed by 9736 | Submission Open
Keywords: machine learning; fluid dynamics; heat transfer; reacting flows; numerical modeling; experimental diagnosis
(This special issue belongs to the Section Energy Systems)
Recent Advances in Wastewater Treatment Technology to Achieve Low Carbonization
edited by and
submission deadline 20 Jun 2026 | 3 articles | Viewed by 6031 | Submission Open
Keywords: low carbon; wastewater; energy recovery; energy efficiency; circular economy
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Synthesis and Applications of Supported Nanocatalysts submission deadline 20 Jun 2026 | 3 articles | Viewed by 5185 | Submission Open
Keywords: nanocatalysts; synthesis; novel methods; environmentally
(This special issue belongs to the Section Catalysis Enhanced Processes)
Geological and Engineering Problems in the Development of Unconventional Oil and Gas Reservoirs (2nd Edition)
edited by Mohamed I. Abdel-Fattah
submission deadline 20 Jun 2026 | 4 articles | Viewed by 4521 | 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)
Advances in Nanomaterials: Synthesis, Characterization and Applications
edited by
submission deadline 20 Jun 2026 | 2 articles | Viewed by 3851 | Submission Open
Keywords: nanomaterials; two-dimensional materials; self-assembly; sensing; cloud seeding; nanotoxicology and safety; energy conversion; water purification; air filtration; drug delivery
(This special issue belongs to the Section Materials Processes)
Advances in Photocatalytic Water and Wastewater Treatment Processes
edited by , Mohamed Gar Alalm and Antonio Carlos Silva Costa Teixeira
submission deadline 20 Jun 2026 | 3 articles | Viewed by 3399 | Submission Open
Keywords: photocatalysis; water treatment; wastewater treatment; advanced oxidation processes; environmental remediation; photocatalytic degradation; photocatalytic reactors; life cycle assessment of wastewater treatment processes; solar-driven water treatment
(This special issue belongs to the Section Catalysis Enhanced Processes)
Biological and Pharmacological Activity of Natural Products submission deadline 20 Jun 2026 | 1 articles | Viewed by 1596 | Submission Open
Keywords: natural products; functional foods; green extraction; bioactive molecules; bioavailability; medicinal chemistry; combinatorial medicine; pharmacological activities; health disorders
(This special issue belongs to the Section Pharmaceutical Processes)
Advances in Synthesis and Characterization of Zeolite Catalysts for Sustainable Applications
edited by Bruno O. Dalla Costa, Griselda Alejandra Eimer and María Soledad Legnoverde
submission deadline 20 Jun 2026 | 1 articles | Viewed by 1203 | Submission Open
Keywords: zeolite catalysts; acidic/textural properties modification; characterization; hierarchical zeolites; mesoporous materials; biomass conversion; sustainable catalysis
(This special issue belongs to the Section Catalysis Enhanced Processes)
Green and Scalable Bioprocess Engineering: Enzymatic Systems, Process Intensification and Sustainable Applications submission deadline 20 Jun 2026 | 1 articles | Viewed by 861 | 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)
Recent Advances and Technologies in Internal Combustion Engines: Combustion Analysis and Emission Control
edited by and Erdinç Vural
submission deadline 20 Jun 2026 | 1 articles | Viewed by 396 | Submission Open
Keywords: internal combustion engines (ICEs); combustion analysis; emission control technologies; alternative fuels (hydrogen; HHO; biodiesel; ammonia); computational fluid dynamics (CFD); engine performance and optimization; NOx and soot reduction; fuel injection strategies; sustainable combustion systems; energy and exergy analysis
(This special issue belongs to the Section Environmental and Green Processes)
Extraction, Analysis and Applications of Bioactive Natural Products
edited by Ba Vinh Le
submission deadline 20 Jun 2026 | Viewed by 185 | Submission Open
Keywords: natural product chemistry; phytochemistry; pharmacognosy; secondary metabolites; pharmacological effect; underlying mechanisms; NMR; GC-MS; LC-MS; quantitative analysis; inflammation; anti-cancer
(This special issue belongs to the Section Pharmaceutical Processes)
Synthesis and Functional Applications of Organochalcogen Compounds
edited by , and Luana da Silva Gomes
submission deadline 20 Jun 2026 | Viewed by 127 | Submission Open
Keywords: organochalcogens; synthetic methodologies; redox activity; catalysis; functional materials
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Drilling and Excavation Theories and Technologies for Petroleum, Coal Seam and Sustainable Resources
edited by and
submission deadline 23 Jun 2026 | 6 articles | Viewed by 2291 | Submission Open
Keywords: well trajectory design; drilling operation; coal seam excavation; wellbore stability; fluid flow in porous media; permeability evolution; machine learning model; geothermal energy; carbon sequestration and storage
(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 25 Jun 2026 | 4 articles | Viewed by 6213 | 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)
Novel Techniques in Natural Product Extraction to Improve Antimicrobial and Antioxidant Activity in Foods submission deadline 25 Jun 2026 | 3 articles | Viewed by 3590 | Submission Open
Keywords: green technologies; extraction; antioxidant activity; antimicrobial activity; functional components; bioactive compounds
(This special issue belongs to the Section Food Process Engineering)
Machine Learning for Predictive Modeling and Optimization of Manufacturing Processes
edited by Atiq Ur Rehman and Fawad Ali
submission deadline 25 Jun 2026 | 3 articles | Viewed by 3139 | 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)
Metal Complexes: Design, Properties and Applications
edited by Lidia Zapała, Elżbieta Woźnicka and
submission deadline 25 Jun 2026 | 1 articles | Viewed by 1839 | Submission Open
Keywords: metal complexes; design and synthesis; structural and spectroscopic properties; catalysis; biological and medicinal applications; green and sustainable chemistry; enzyme mimetics; drug development; bioinorganic chemistry; coordination chemistry; functional materials; environmental and toxicological studies; photocatalysis; molecular magnetism; supramolecular chemistry; electrochemical applications
(This special issue belongs to the Section Chemical Processes and Systems)
Manufacturing Processes and Thermal Properties of Composite Materials
edited by , , Claudia Hernández-Aguilar and Flavio Arturo Domínguez-Pacheco
submission deadline 25 Jun 2026 | 1 articles | Viewed by 1595 | Submission Open
Keywords: composite materials; advanced manufacturing; thermal conductivity; heat resistance; phase change materials; bio-based composites; additive manufacturing; thermal degradation; smart materials; energy-efficient buildings
(This special issue belongs to the Section Manufacturing Processes and Systems)
Preparation, Synthesis and Chemical Properties of Functional Materials
edited by Apoorva Chaturvedi
submission deadline 25 Jun 2026 | 2 articles | Viewed by 1480 | Submission Open
Keywords: functional materials; synthetic routes; structure– property relationships; multi-functional materials; stimuli-responsive systems
(This special issue belongs to the Section Materials Processes)
Laser-Assisted Manufacturing and Materials Processing
edited by Linda Viviana García-Quiñonez and
submission deadline 25 Jun 2026 | 1 articles | Viewed by 1079 | Submission Open
Keywords: laser; materials; laser-assisted; additive manufacturing; laser sintering; thin films
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advances in Numerical Modeling and AI Optimization for Marine and Geothermal Energy Systems
edited by Jianxin Shi, , Xiang Yu and Wanze Wu
submission deadline 25 Jun 2026 | Viewed by 74 | Submission Open
Keywords: marine energy; geothermal energy; simulation for energy system; system modeling in extreme environments; AI application in energy system; optimization for energy system; energy storage; digital operation and maintenance; remote unattended operation
(This special issue belongs to the Section AI-Enabled Process Engineering)
Advances of Intelligent Manufacturing Process and Equipment
edited by Gang Yuan
submission deadline 28 Jun 2026 | Viewed by 82 | Submission Open
Keywords: large language models; embodied intelligent equipment; human– robot collaboration; industrial metaverse and digital twin; humanoid robotics in manufacturing; generative process planning; cognitive autonomous systems; Industry 5.0
(This special issue belongs to the Section Manufacturing Processes and Systems)
Unconventional Energy, Clean Energy and Carbon Sequestration: Progress in Technology
edited by , Quangui Li, and Guanhua Ni
submission deadline 30 Jun 2026 | 12 articles | Viewed by 17509 | Submission Open
Keywords: unconventional energy resources; coalbed methane; shale gas; reservoir stimulation technology; geo-carbon sequestration; clean energy
(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 30 Jun 2026 | 4 articles | Viewed by 11497 | 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)
Applications of Ultrasound and Other Technologies in Food Processing submission deadline 30 Jun 2026 | 3 articles | Viewed by 10980 | Submission Open
Keywords: food science and technology; physical chemistry of food; artificial intelligence; computer vision; machine learning; sensometrics and consumer studies; sustainability of food agroecosystems; competitiveness processes in food chains
(This special issue belongs to the Section Food Process Engineering)
Advances in the Photocatalysis and Photodegradation of Various Contaminants Present in Water
edited by Manuel J. Chinchillas-Chinchillas, and Horacio Edgardo Garrafa-Gálvez
submission deadline 30 Jun 2026 | 4 articles | Viewed by 10779 | Submission Open
Keywords: photocatalysis; synthesis and characterization; photocatalysts; water pollutants; water treatment; environmental applications; sustainability
(This special issue belongs to the Section Chemical Processes and Systems)
Multiphase Flow Process and Separation Technology
edited by Zhiyi Xiong and Xinwei Wang
submission deadline 30 Jun 2026 | 8 articles | Viewed by 9730 | Submission Open
Keywords: multiphase flow process; separation equipment strengthening; new design; research method; gas– liquid– solid separation
(This special issue belongs to the Section Separation Processes)
Electrode Materials Design for High-Performance Energy Conversion and Storage Devices
edited by Shamim Ahmed Hira and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 8653 | Submission Open
Keywords: hydrogen production; oxygen evolution reaction; green energy
(This special issue belongs to the Section Energy Systems)
Bioenergy, Green Chemistry and Biorefinery: Challenges and Perspectives on Circular Economy and Sustainability
edited by and
submission deadline 30 Jun 2026 | 5 articles | Viewed by 6463 | Submission Open
Keywords: biomass; biofuels; and biomaterials; circular economy; biorefinery; and biowaste treatment technologies; thermal engineering and applied thermodynamics; environmental pollution and pollutant emissions; renewable technologies; numerical simulation; energy utilization; carbon capture; utilization; and storage; urban waste management
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Research on Marine and Deep Oil & Gas Development
edited by Jianbo Zhang, Xiaohui Sun and Wenqiang Lou
submission deadline 30 Jun 2026 | 8 articles | Viewed by 6319 | Submission Open
Keywords: oil and gas development; marine; deep strata; drilling; multiphase flow; flow assurance; pressure control; production increase; intelligence development; environmental safety
Analysis and Processes of Bioactive Components in Natural Products
edited by and Sanja Radman
submission deadline 30 Jun 2026 | 5 articles | Viewed by 4347 | Submission Open
Keywords: bioactive components; natural products; extraction; isolation; characterization methods; biological activity
(This special issue belongs to the Section Biological Processes and Systems)
Modelling and Optimizing Process in Industry 4.0 submission deadline 30 Jun 2026 | 3 articles | Viewed by 3658 | Submission Open
Keywords: process study; process optimization; equipment study; advanced technologies; process automation;   process efficiency
(This special issue belongs to the Section Manufacturing Processes and Systems)
Enzymes, Biocatalysis and Metabolic Engineering for Enabling Sustainability
edited by Cintia Mariana Romero
submission deadline 30 Jun 2026 | 3 articles | Viewed by 3499 | 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)
Corrosion Processes of Metals: Mechanisms and Protection Methods submission deadline 30 Jun 2026 | 2 articles | Viewed by 3481 | Submission Open
Keywords: electrochemical corrosion; localized corrosion; crevice corrosion; galvanic corrosion; modeling and simulation; corrosion coatings; high-temperature corrosion; biomaterials corrosion; corrosion of light alloys; corrosion in concrete
(This special issue belongs to the Section Materials Processes)
Recent Advances in Coagulant Technologies and Applications for Wastewater Treatment submission deadline 30 Jun 2026 | 1 articles | Viewed by 3472 | Submission Open
Keywords: coagulation; wastewater treatment; coagulant technologies; novel materials; organic coagulants; inorganic coagulants; bio-based coagulants; industrial wastewater; environmental impact; Design of Experiments (DoE)  ; Machine Learning (ML) Applications
(This special issue belongs to the Section Environmental and Green Processes)
Research Advances in Modeling, Optimization, and Control of Distributed Energy Systems
edited by Yskandar M. Hamam and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 3426 | 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)
Design, Fabrication, Modeling, and Control in Biomedical Systems
edited by Fulufhelo Nemavhola, Thanyani Pandelani and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 3293 | 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)
Innovative Strategies and Emerging Technologies in Wastewater Treatment submission deadline 30 Jun 2026 | 2 articles | Viewed by 3078 | 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)
Modern Machine Learning Applications in Control and Optimization of Energy Power and Storage Systems
edited by and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2824 | Submission Open
Keywords: machine learning models; energy power system; energy storage management system; grid management and control; renewable energy integration; energy consumption prediction; power system state estimation; cybersecurity in energy systems; sustainable energy solutions
(This special issue belongs to the Section Energy Systems)
Novel Technologies for the Processing and Quality Assessment of Meat Production submission deadline 30 Jun 2026 | 2 articles | Viewed by 2406 | Submission Open
Keywords: novel intervention strategies for carcass decontamination; novel technologies for meat processing; quality assessment of raw and processed meat; microbiological and chemical safety of meat and meat products; preservation techniques; shelf-life extension; nutritional composition of meat and meat products; functional meat products; sensory quality and consumer perception of meat and meat products
(This special issue belongs to the Section Food Process Engineering)
Advanced Spectroscopic and Calorimetric Techniques for Pharmaceutical Analysis
edited by Agnieszka Szkudlarek
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2313 | Submission Open
Keywords: pharmaceutical applications; ligand– protein interactions; transport proteins; protein modifications; spectroscopic and calorimetric techniques; protein structure and function; drug efficacy and stability; pharmaceutical compounds; exogenous and endogenous ligands; biomedical research
(This special issue belongs to the Section Pharmaceutical Processes)
Fiber-Reinforced Composites: Latest Advances and Interesting Research
edited by Changfang Zhao, Ming Li and Xuyao Zhang
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2303 | Submission Open
Keywords: fiber composites; matrices; manufacturing processes; material responses; structural behavior; theoretical model; simulation; application; sustainability; recycle and reuse; green resources
(This special issue belongs to the Section Materials Processes)
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