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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Advanced Research on Marine and Deep Oil & Gas Development
edited by Jianbo Zhang, Xiaohui Sun and Wenqiang Lou
submission deadline 30 Jun 2026 | 11 articles | Viewed by 11317 | 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 | 8 articles | Viewed by 9787 | Submission Open
Keywords: bioactive components; natural products; extraction; isolation; characterization methods; biological activity
(This special issue belongs to the Section Biological Processes and Systems)
Recent Advances in Coagulant Technologies and Applications for Wastewater Treatment submission deadline 30 Jun 2026 | 2 articles | Viewed by 6513 | 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)
Modelling and Optimizing Process in Industry 4.0 submission deadline 30 Jun 2026 | 4 articles | Viewed by 5612 | 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)
Novel Technologies for the Processing and Quality Assessment of Meat Production submission deadline 30 Jun 2026 | 6 articles | Viewed by 5586 | 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)
Enzymes, Biocatalysis and Metabolic Engineering for Enabling Sustainability
edited by Cintia Mariana Romero
submission deadline 30 Jun 2026 | 3 articles | Viewed by 5488 | 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)
Modern Machine Learning Applications in Control and Optimization of Energy Power and Storage Systems
edited by and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 5154 | 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)
Design, Fabrication, Modeling, and Control in Biomedical Systems
edited by , Thanyani Pandelani and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 5015 | 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)
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 4981 | 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)
Corrosion Processes of Metals: Mechanisms and Protection Methods submission deadline 30 Jun 2026 | 3 articles | Viewed by 4677 | 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)
Fiber-Reinforced Composites: Latest Advances and Interesting Research
edited by Changfang Zhao, Ming Li and Xuyao Zhang
submission deadline 30 Jun 2026 | 4 articles | Viewed by 4218 | 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)
Innovative Strategies and Emerging Technologies in Wastewater Treatment submission deadline 30 Jun 2026 | 3 articles | Viewed by 4187 | 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)
New Technology of Unconventional Reservoir Stimulation and Protection
edited by and
submission deadline 30 Jun 2026 | 6 articles | Viewed by 3556 | Submission Open
Keywords: reservoir stimulation reservoir protection; refracturing; temporary plugging; CO2-based fracturing; artificial intelligence; multi-physical field coupling
(This special issue belongs to the Section Energy Systems)
Processes in Sustainable Waste Management and Environmental Protection
edited by and Ivana Jelić
submission deadline 30 Jun 2026 | 5 articles | Viewed by 3545 | Submission Open
Keywords: sustainable waste management; waste treatment processes; waste-to-energy; resource recovery; circular economy; waste valorization; pollution control; environmental protection; enzymatic waste processing; recycling technologies
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Spectroscopic and Calorimetric Techniques for Pharmaceutical Analysis
edited by Agnieszka Szkudlarek
submission deadline 30 Jun 2026 | 2 articles | Viewed by 3284 | 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)
Sustainable Remediation of Complex Wastewater: Challenges and Technologies
edited by and Enric Brillas
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2913 | Submission Open
Keywords: advanced oxidation processes (AOPs); wastewater treatment; Fenton and photo-Fenton processes; electrochemical remediation and sustainable water management
(This special issue belongs to the Section Chemical Processes and Systems)
Extraction, Analysis of Natural Products and Their Applications in Medicinal Chemistry
edited by , and Nada Kheira Sebbar
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2746 | Submission Open
Keywords: bioactive compounds; natural products; green extraction; analytical characterization; drug discovery; pharmacological evaluation; target-based drug design; phytochemistry; computational screening
(This special issue belongs to the Section Chemical Processes and Systems)
Nanomaterials and Flexible Electronic Devices: Processing, Diagnostics and Applications
edited by Yongchao Yu, Ming Xiao and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2711 | 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)
Processing Foods: Process Optimization and Quality Assessment, 4th Edition submission deadline 30 Jun 2026 | 2 articles | Viewed by 2627 | Submission Open
Keywords: unit operations; processing technologies; optimization; food quality; nutrition; traceability; sustainability
(This special issue belongs to the Section Food Process Engineering)
Advanced Materials and Process Intensification for Clean Energy Systems
edited by Jingchun Yan, , and Rong Sun
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2530 | Submission Open
Keywords: advanced materials; process intensification; clean energy systems; simulation; experiment; design; battery; catalysis
(This special issue belongs to the Section Energy Systems)
Adaptive Control and Optimization in Power Grids submission deadline 30 Jun 2026 | 5 articles | Viewed by 2405 | Submission Open
Keywords: adaptive control; power system optimization; robust control; forecasting of load and renewable generation; renewable energy integration; grid resilience
(This special issue belongs to the Section Energy Systems)
Development and Application of Microalgae and Microalgae–Bacteria Biotechnologies
edited by , Francisco J. Choix and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 2327 | Submission Open
Keywords: microalga– bacteria; microalgae biotechnology; pollution remotion by microalgae; microalga biomass characterization; stress mitigation in microalga; microalga growth-promoting bacteria
(This special issue belongs to the Section Biological Processes and Systems)
Kinetic Modeling of Biomass Pyrolysis Processes (2nd Edition) submission deadline 30 Jun 2026 | 2 articles | Viewed by 2138 | Submission Open
Keywords: biomass; pyrolysis; devolatilization; cellulose; hemicellulose; lignin; reaction kinetics; thermogravimetry; modelling; parametric estimation
(This special issue belongs to the Section Environmental and Green Processes)
Natural Products Research: Isolation, Characterization and Bio-Functional Exploration submission deadline 30 Jun 2026 | 1 articles | Viewed by 2031 | Submission Open
Keywords: structural characterization; isolation; natural products; biological activity; computational; pharmacognosy; pharmacology
(This special issue belongs to the Section Pharmaceutical Processes)
Investigation of the Gas–Liquid Flow and Separation Behaviors in Pipelines
edited by Yingjie Chang, , and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 1964 | Submission Open
Keywords: gas-liquid flow; pipeline systems; flow dynamics; flow visualization; separator design; machine learning; deep learning; flow regime identification
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Carbon-Energy Perception and Low-Carbon Optimal Energy System Operation
edited by Qian Li, and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 1884 | Submission Open
Keywords: carbon-energy perception; low-carbon operation; carbon emission modeling; lifecycle carbon assessment; energy– carbon coupling; smart low-carbon control
(This special issue belongs to the Section Sustainable Processes)
Synthesis, Processing, and Modeling of Advanced Polymer Composites submission deadline 30 Jun 2026 | Viewed by 1606 | Submission Open
Keywords: polymer composites; polymer synthesis; materials characterization; manufacturing; computational modeling; machine learning
(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 Jun 2026 | 2 articles | Viewed by 1447 | 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)
Analytical Methodologies and Stability Assessment of Bioactive Compounds in Complex Matrices
edited by
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1360 | Submission Open
Keywords: analytical techniques; chromatography; extraction; matrix effects; biological material; drugs; dietary supplements; compound stability; degradation; method validation
(This special issue belongs to the Section Separation Processes)
Sustainable Nanocellulose Processes Toward New Products and Markets
edited by and María Evangelina Vallejos
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1333 | Submission Open
Keywords: nanocellulose technology; sustainable nanomaterials; biorefinery processes; renewable nanomaterials; nanomaterial processes; bioeconomy; nanocellulose applications; nanocellulose industry; innovation in processes
(This special issue belongs to the Section Materials Processes)
Innovative Technologies and Processes in Geothermal Energy Systems
edited by and Long Gao
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1326 | Submission Open
Keywords: geothermal energy; enhanced geothermal systems (EGSs); drilling technology; process intensification; reservoir simulation; hybrid systems; techno-economic analysis; sustainable energy
(This special issue belongs to the Section Energy Systems)
New Trends in the Modeling and Design of Micro/Nano-Devices
edited by Yiming Li and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1291 | 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)
Process and Data-Driven Models of Pollutant Transport and Fate in Ecosystems
edited by and Gülsün Akdemir Evrendilek
submission deadline 30 Jun 2026 | 1 articles | Viewed by 988 | Submission Open
Keywords: pollutant transport; contaminant fate; process-based modeling; data-driven modeling; reactive transport; watershed modelling; sediment– water interactions; bioavailability; food web contamination; uncertainty quantification; model-data fusion; PFAS/emerging contaminants; biogeochemical cycling; upscaling; thermal treatment
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Functional Materials Design and Computation
edited by , and Yuxiang Cai
submission deadline 30 Jun 2026 | 1 articles | Viewed by 754 | Submission Open
Keywords: density; functional theory (DFT); machine learning (ML); and machine-learned atomic potentials; green energyies
(This special issue belongs to the Section Materials Processes)
Cutting-Edge Approaches for the Plastic Recycling
edited by , Zhaohan Yu and Shehla Mushtaq
submission deadline 30 Jun 2026 | Viewed by 616 | 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)
Chromatographic Techniques in Food Industry Processes
edited by and Jamal Brigui
submission deadline 30 Jun 2026 | Viewed by 549 | 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)
Pharmaceutical Chemistry Processes: Current Status and Prospects
edited by
submission deadline 30 Jun 2026 | Viewed by 531 | Submission Open
Keywords: pharmaceutical chemistry; synthetic methodologies; process optimization; biopharmaceuticals; cosmetic formulations; medicinal plants; sustainability
(This special issue belongs to the Section Pharmaceutical Processes)
Design, Optimization and Evaluation of Solar Energy Systems
edited by and Azim Doğuş Tuncer
submission deadline 30 Jun 2026 | Viewed by 514 | Submission Open
Keywords: solar energy systems; system design; optimization techniques; energy efficiency; photovoltaic (PV) systems; solar thermal systems; renewable energy integration; energy storage solutions; techno-economic analysis; exergy evaluation
(This special issue belongs to the Section Energy Systems)
Advances of Computational Heat and Mass Transfer in HVAC Systems
edited by , , Chao Qin and Hongyan Shi
submission deadline 30 Jun 2026 | 1 articles | Viewed by 461 | Submission Open
Keywords: heat and mass transfer; computational fluid dynamics; machine learning; HVAC systems; indoor environment quality; multiphase and phase-change phenomena
(This special issue belongs to the Section Energy Systems)
Process Analysis and Optimal Control of the Power Conversion Systems
edited by
submission deadline 30 Jun 2026 | 1 articles | Viewed by 440 | Submission Open
Keywords: power conversion systems; power electronics; dynamic modeling; efficiency optimization; model predictive control; nonlinear control; energy management; renewable energy integration; system stability
(This special issue belongs to the Section Energy Systems)
Innovative Drying Technologies for Food Processing
edited by and
submission deadline 30 Jun 2026 | Viewed by 428 | Submission Open
Keywords: food processing; spray drying; microwave drying; electrohydrodynamic drying; intermittent drying; food quality; nutritional retention; intelligent drying systems; IoT in drying; mechanical dewatering of food products; sustainable drying techniques
(This special issue belongs to the Section Food Process Engineering)
Synthesis and Application of Photocatalysts
edited by and Mali Zhao
submission deadline 30 Jun 2026 | Viewed by 368 | 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)
Multiphase Flow–Material Interaction in Drilling Processes
edited by Jian Zhao and
submission deadline 30 Jun 2026 | Viewed by 335 | Submission Open
Keywords: multiphase flow; flow– material interaction; drilling; cuttings migration
(This special issue belongs to the Section Process Control, Modeling and Optimization)
Design, Optimization, and Application of Biochemical Reactors submission deadline 30 Jun 2026 | Viewed by 316 | Submission Open
Keywords: bioreactor; optimization; modeling; process control; scale-up; Computational Fluid Dynamics (CFD); bioprocessing; biotechnology applications
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in the Pyrolysis of Lignocellulosic Biomass submission deadline 30 Jun 2026 | Viewed by 270 | Submission Open
Keywords: biomass; pyrolysis; pretreatment; bioenergy; biofuel; bio-oils; waste to energy; waste; renewable; feedstock; cellulose; hemicellulose; lignin
(This special issue belongs to the Section Sustainable Processes)
Process Control and Optimization in Magnetically Enhanced Electrochemical and Redox Systems
edited by Martín Oscar Armando Pacheco-Álvarez, and
submission deadline 30 Jun 2026 | Viewed by 249 | Submission Open
Keywords: magnetically enhanced electrochemical processes; magnetic field– assisted; electro-fenton; mlectrochemical process control; advanced oxidation processes; redox optimization; electrocatalytic materials; electrochemical reactor design; environmental electrochemistry
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Technologies Used for Water Remediation
edited by Gamze Varank, and
submission deadline 30 Jun 2026 | Viewed by 242 | Submission Open
Keywords: water remediation; advanced technologies; advanced oxidation processes; membrane filtration; electrochemical treatment; water reuse; wastewater management; sustainable remediation
(This special issue belongs to the Section Environmental and Green Processes)
Modeling, Optimization, and Control of Distributed Energy Systems, 2nd Edition
edited by Lei Sun, Xiaodong Yang and Yue Yang
submission deadline 30 Jun 2026 | Viewed by 237 | Submission Open
Keywords: distributed energy sources; modeling; optimization algorithms; control strategy; distributed energy systems; renewable energy
(This special issue belongs to the Section Energy Systems)
Advanced Control and Optimization of Electric Drive Systems
edited by Wentao Zhang, and
submission deadline 30 Jun 2026 | Viewed by 236 | Submission Open
Keywords: sensorless control of induction motors; advanced control of open-winding motor drives; model predictive control of permanent magnet synchronous motors; vibration and noise suppression in electric machines; flux-weakening control for extended speed operation; multi-phase motor control and modulation strategies; advanced modulation and control for multi-level converters; high-fidelity modeling and parameter identification for control; AI-enhanced and data-driven control techniques for electric drives; thermal management and loss optimization through control; fault-tolerant control strategies for improved system reliability
(This special issue belongs to the Section Energy Systems)
CFD Applications in Renewable Energy Systems (2nd Edition) submission deadline 30 Jun 2026 | Viewed by 234 | Submission Open
Keywords: renewable energy systems simulation and modeling; computational fluid dynamics; unsteady flows and systems simulation; solar radiation modeling; turbulence modeling; biomass combustion modeling; hydrogen combustion modeling; hydrogen production and use modeling
(This special issue belongs to the Section Energy Systems)
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