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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Applications of Smart Microgrids in Renewable Energy Development
edited by Hui Li, Kuan Zhang and Yikui Liu
submission deadline 20 May 2026 | 19 articles | Viewed by 26503 | Submission Open
Keywords: microgrids; renewable energy; planning; energy management; energy sharing; uncertainty
(This special issue belongs to the Section Energy Systems)
Application of Biochar in Environmental Research
edited by
submission deadline 20 May 2026 | 11 articles | Viewed by 25331 | Submission Open
Keywords: biochar; waste management; wastewater and water treatment; pyrolysis; fertilization; composting; anaerobic digestion; heterogenous catalysis; nanomaterials
(This special issue belongs to the Section Environmental and Green Processes)
Supercritical Technology Applied to Food, Pharmaceutical, Chemical and Energy Industries—2nd Edition
edited by
submission deadline 20 May 2026 | 7 articles | Viewed by 22944 | Submission Open
Keywords: bioactive compounds; supercritical technology; supercritical fluid extraction; high pressure phase equilibria; particle formation assisted with supercritical fluids and compressed liquids; application of supercritical technology-based products in foods; pharmaceuticals; cosmetics and textiles; life cycle analysis of processes assisted with supercritical technology; process intensification with supercritical technology; analytical methods hyphenated with supercritical fluids and pressurized liquids; accelerated solvent extraction; chemical reactions assisted with supercritical fluids; characterization and biological activity of products processed with supercritical fluids and pressurized liquids; gasification assisted with supercritical fluids; sterilization assisted with supercritical fluids; impregnation assisted with supercritical fluids; polymer processing assisted with supercritical fluids; power generation with supercritical technology
(This special issue belongs to the Section Food Process Engineering)
Sustainable Techniques for Extraction and Isolation of Natural Bioactive Compounds
edited by , Mariana Silva López and Teodoro Suárez Diéguez
submission deadline 20 May 2026 | 6 articles | Viewed by 13919 | Submission Open
Keywords: natural products; purification; pressurized liquid extraction; supercritical fluid extractions; ultrasound-assisted extraction; advanced extraction; solid– liquid extraction; sistainable extraction; eutectic solvents
(This special issue belongs to the Section Separation Processes)
Novel Applications of Zeolites in Adsorption Processes submission deadline 20 May 2026 | 7 articles | Viewed by 13499 | Submission Open
Keywords: zeolite; adsorption; modification; kinetic; environmental protection; synthesis
(This special issue belongs to the Section Chemical Processes and Systems)
Industry 4.0 and Industry 5.0: Simulators and Algorithms in Manufacturing Processes and Systems
edited by Wei Guo and Jiewu Leng
submission deadline 20 May 2026 | 8 articles | Viewed by 12471 | Submission Open
Keywords: Industry 4.0; Industry 5.0; smart manufacturing; digital twin; human– machine collaboration; industrial simulators; AI algorithms; cyber-physical systems (CPS); predictive maintenance; federated learning
(This special issue belongs to the Section Manufacturing Processes and Systems)
Development of Innovative Processes in Food Engineering submission deadline 20 May 2026 | 6 articles | Viewed by 5762 | Submission Open
Keywords: innovative food processing; non-thermal technologies; functional foods; bioactive encapsulation; food safety and quality; sustainable food engineering; alternative protein processing
(This special issue belongs to the Section Food Process Engineering)
Synthesis and Characterization of Various Nanomaterials Based on Graphene Derivatives submission deadline 20 May 2026 | Viewed by 521 | Submission Open
Keywords: graphene derivatives; graphene oxide; synthesis and preparation of graphene derivatives; chrecrectrization of graphene derivatives; functionalization graphene derivatives; doping; catalytic applications; sensor applications; electronic applications; energy storage
(This special issue belongs to the Section Materials Processes)
Emerging Organic Synthesis Approaches for Functional Nanomaterials and Organic Compounds in Supercapacitor Applications
edited by Prabin Rai and
submission deadline 22 May 2026 | Viewed by 286 | Submission Open
Keywords: organic synthesis; functional nanomaterials; supercapacitors; electrode materials and energy storage
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Functionally Graded Materials
edited by and Suhas Alkunte
submission deadline 25 May 2026 | 6 articles | Viewed by 30473 | Submission Open
Keywords: functionally graded materials; additive manufacturing; mechanical behavior; sustainability; material science
(This special issue belongs to the Section Materials Processes)
Fault Diagnosis Technology in Machinery Manufacturing submission deadline 25 May 2026 | 4 articles | Viewed by 7413 | Submission Open
Keywords: fault detection and diagnosis technology for machine manufacturing; vibration analysis for machine manufacturing; advances diagnostics techniques for machine manufacturing; neural networks methods for machine manufacturing; fault diagnosis methods for smart manufacturing; IoT-based monitoring and diagnostics of manufacturing systems; remote control and detection and detection technology for intelligent manufacturing; machine learning methods for machine manufacturing; applied artificial intelligence for fault detection and diagnosis technology for machine manufacturing; operational mode analysis for fault diagnostics and diagnostic for machine manufacturing
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advances in Plasma Technology for Environmental and Energy Process Engineering
edited by , and Lakshminarayana Rao
submission deadline 25 May 2026 | 2 articles | Viewed by 2279 | Submission Open
Keywords: wastewater; plasma discharges; plasma-activated water; plasma processing; energy; reforming of hydrocarbons
(This special issue belongs to the Section Environmental and Green Processes)
The Role of Analog Electronics: From Energy Systems to Food Production submission deadline 25 May 2026 | 1 articles | Viewed by 1087 | Submission Open
Keywords: biosensor and instrumentation; precision agriculture; circuits and crops; analog designs for remote monitoring; weed control using electricity
(This special issue belongs to the Section Energy Systems)
Advances in Extraction and Characterization of Functional Properties of Bioactive Compounds Obtained from Food Processing
edited by Arely León-López and
submission deadline 26 May 2026 | 5 articles | Viewed by 14108 | Submission Open
Keywords: food process; bioactive compounds; functional activity; alternative technologies; traditional methods; sources of bioactive compounds
(This special issue belongs to the Section Food Process Engineering)
Applications of Plasma Technology in Food and Environment
edited by Brenda L. Fina, Leandro Prevosto and
submission deadline 26 May 2026 | 2 articles | Viewed by 990 | Submission Open
Keywords: non-thermal plasma; thermal plasma; plasma activated water; environmental applications; food control; pollutant degradation; sustainable processing; water and air purification; resource recovery; energy recovery
(This special issue belongs to the Section Environmental and Green Processes)
Recent Advances in Modern Carbon-Negative Technologies for CO2 Capture
edited by Pao-Chi Chen
submission deadline 28 May 2026 | 9 articles | Viewed by 21512 | Submission Open
Keywords: capture; absorption; adsorption; renewable energy; circular economy
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Technology for Enhancing Oil and Gas Recovery in Shale Reservoirs (2nd Edition) submission deadline 29 May 2026 | 4 articles | Viewed by 4051 | Submission Open
Keywords: shale gas; shale oil; enhanced recovery; drilling; reservoir stimulation; fracturing fluid; multiscale heat and mass transport; pore structure; fracture network; CCUS
(This special issue belongs to the Section Energy Systems)
Sustainable and Intelligent Energy Systems and Processes: Recent Advances and Challenges (2nd Edition)
edited by , Marko Vekić and
submission deadline 30 May 2026 | 5 articles | Viewed by 13776 | Submission Open
Keywords: sustainability; intelligent control; renewable energy; reliability and resilience; smart grid; energy storage; edge computing; FACTS; power quality
(This special issue belongs to the Section Energy Systems)
Latest Research on Wastewater Treatment and Recycling
edited by
submission deadline 30 May 2026 | 3 articles | Viewed by 8996 | Submission Open
Keywords: water treatment; wastewater; bioaugmentation; bioremediation; phytoremediation; AOP; UV catalysts
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Green Processes for Antioxidant and Antibacterial Polyphenol Extraction
edited by and
submission deadline 30 May 2026 | 3 articles | Viewed by 5212 | Submission Open
Keywords: green extraction; phenolic compounds; antioxidants; antibacterial activity; sustainable methods; extraction techniques; environmental impact; bioactive compounds; phytochemicals
(This special issue belongs to the Section Food Process Engineering)
Advances in Alternative Fuel Engines and Combustion Technology
edited by Pengbo Dong, Dongsheng Dong and Fuxing Wei
submission deadline 30 May 2026 | 3 articles | Viewed by 2174 | Submission Open
Keywords: alternative fuel; combustion; emission; engine
(This special issue belongs to the Section Chemical Processes and Systems)
Research Progress in Dust Control Technology
edited by , and Chaohang Xu
submission deadline 30 May 2026 | 2 articles | Viewed by 531 | Submission Open
Keywords: dust control technology; dust source control; fugitive dust control; chemical dust suppression; dust collector
(This special issue belongs to the Section Particle Processes)
Smart Process Optimization for Sustainable Waste-to-Energy Systems submission deadline 30 May 2026 | Viewed by 236 | Submission Open
Keywords: municipal waste-to-energy processes; artificial intelligence and machine learning; carbon capturing and sequestration (CCS)
(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 May 2026 | 29 articles | Viewed by 43547 | 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)
Quality of Plant Raw Materials and Their Processing submission deadline 31 May 2026 | 7 articles | Viewed by 39135 | Submission Open
Keywords: food processing; plant material; functional food; food quality
(This special issue belongs to the Section Food Process Engineering)
Modeling and Simulation of Complex Networks for Automation in Systems Engineering submission deadline 31 May 2026 | 11 articles | Viewed by 38619 | Submission Open
Keywords: complex networks; multi-agent systems; automation; decision support; systems engineering
(This special issue belongs to the Section Process Control, Modeling and Optimization)
Sustainable Development of Energy and Environment
edited by
submission deadline 31 May 2026 | 9 articles | Viewed by 25573 | Submission Open
Keywords: sustainability; buildings; energy efficiency; circularity; smart buildings; decarbonization
(This special issue belongs to the Section Sustainable Processes)
Microbial Biofilms: Latest Advances and Prospects
edited by Mayron Alves de Vasconcelos and
submission deadline 31 May 2026 | 6 articles | Viewed by 18360 | Submission Open
Keywords: biofilm detection techniques; biofilm resistance; biofilm-related infections; biofilm eradication strategies; biotechnological applications; biofilms in natural and engineered ecosystems; advanced biofilm imaging
(This special issue belongs to the Section Biological Processes and Systems)
Recent Advances in Renewable Energy Systems: Integration Challenges, Forecasting, and Grid Optimization for Sustainable Energy Management
edited by
submission deadline 31 May 2026 | 12 articles | Viewed by 16253 | Submission Open
Keywords: renewable energy integration; grid optimization; sustainable energy management; renewable energy forecasting; flexibility resources; smart grid technologies; energy storage systems; distributed energy resources; microgrids; AI in energy systems
(This special issue belongs to the Section Energy Systems)
Renewable Energy Grid Integration and Carbon Reduction Strategies in Modern Power Markets
edited by and
submission deadline 31 May 2026 | 6 articles | Viewed by 12249 | Submission Open
Keywords: power markets; carbon trading markets; carbon reduction technologies; FACTS devices; renewable energy grid integration stability; carbon emission control mechanisms; energy system transformation; low-carbon economy; optimal power flow and dispatch; low-carbon policies
(This special issue belongs to the Section Energy Systems)
Hybrid Artificial Intelligence for Smart Process Control
edited by and Haruki Ueno
submission deadline 31 May 2026 | 7 articles | Viewed by 8719 | 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)
Food Processing and Ingredient Analysis submission deadline 31 May 2026 | 5 articles | Viewed by 7386 | Submission Open
Keywords: novel food processing; innovative processes; functional ingredients and foods; ingredient analysis and stability; bioactive compounds
(This special issue belongs to the Section Food Process Engineering)
Environmental Sustainability in Deep Mining: Controlling Dynamic Disasters and Mineral Resource Development
edited by , Leilei Si and
submission deadline 31 May 2026 | 7 articles | Viewed by 5957 | Submission Open
Keywords: deep mining; environmental sustainability; dynamic disasters; disaster prevention and reduction; sustainable development
(This special issue belongs to the Section Energy Systems)
Wastewater and Waste Treatment: Overview, Challenges and Current Trends (3rd Edition) submission deadline 31 May 2026 | 4 articles | Viewed by 4856 | Submission Open
Keywords: integrated systems; wastewater treatment; resource recovery; life cycle assessment; technoeconomic analysis; emerging pollutants; policy implementation; hybrid technologies; nanotechnology; sustainable waste management
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Biofuel Production Processes and Technologies
edited by
submission deadline 31 May 2026 | 4 articles | Viewed by 3627 | Submission Open
Keywords: next-generation biofuels; sustainable biofuels; advanced processing technologies; life cycle analysis; mathematical modelling; biomass characterization; climate change mitigation
(This special issue belongs to the Section Biological Processes and Systems)
Understanding Antimicrobial Agents: Exploring Pharmacokinetics, Pharmacodynamics, and Drug Interactions in the Context of One Health submission deadline 31 May 2026 | 2 articles | Viewed by 3349 | Submission Open
Keywords: antimicrobial agents; pharmacokinetics (PK); pharmacodynamics (PD); PK/PD modeling; phytotherapy; natural antimicrobial compounds; drug interactions; microbiota modulation; antimicrobial resistance (AMR); One Health
(This special issue belongs to the Section Pharmaceutical Processes)
Application of Advanced Technologies in Microbial Biotechnology and Bioprocessing
edited by , and Martha Arévalos-Sánchez
submission deadline 31 May 2026 | Viewed by 3259 | Submission Open
Keywords: biotechnology; bioprocess; synthetic biology; sustainability; microbiology; sequencing; artificial intelligence
(This special issue belongs to the Section Biological Processes and Systems)
Progress in Biosorption, Membrane Separation, and Advanced Oxidation Processes for Sustainable Water and Wastewater Treatment
edited by , and Sanja Panić
submission deadline 31 May 2026 | 3 articles | Viewed by 3208 | Submission Open
Keywords: wastewater; adsorption; biosorption; membrane technologies; advanced oxidation processes; catalysis; inorganic pollutants; organic pollutants; micropollutants
(This special issue belongs to the Section Environmental and Green Processes)
Synthesis, Performance and Applications of Cementitious Materials submission deadline 31 May 2026 | 4 articles | Viewed by 3134 | Submission Open
Keywords: cementitious materials; synthesis and preparation; performance regulation; microstructure; durability; green and low-carbon; resource utilization of solid waste
(This special issue belongs to the Section Sustainable Processes)
CFD Simulation of Fluid Machinery submission deadline 31 May 2026 | 5 articles | Viewed by 2912 | Submission Open
Keywords: turbomachinery; multiphase flow; CFD modeling; hydropower; cavitation; slurry pump; hydraulic turbines; hydraulic machinery
(This special issue belongs to the Section Chemical Processes and Systems)
Numerical and Process Modelling in Computational Fluid Dynamics
edited by , Marco Donisete de Campos and
submission deadline 31 May 2026 | 2 articles | Viewed by 2547 | Submission Open
Keywords: numerical simulations; modelling; applied mathematics; fluid dynamics; heat and mass transfer
(This special issue belongs to the Section Process Control, Modeling and Optimization)
Design, Inspection and Repair of Oil and Gas Pipeline
edited by Hong Zhang, Dong Zhang and
submission deadline 31 May 2026 | 3 articles | Viewed by 2346 | Submission Open
Keywords: oil and gas pipeline; design; inspection; repair; safety evaluation; NDT; integrity management
(This special issue belongs to the Section Energy Systems)
Heat and Mass Transfer Optimization in Efficient Energy Conversion and Thermal Management
edited by , and José Ângelo Peixoto Da Costa
submission deadline 31 May 2026 | 3 articles | Viewed by 2002 | Submission Open
Keywords: heat transfer enhancement; heat and mass transfer optimization; thermal management systems; energy conversion efficiency; heat exchangers; phase change materials; nanofluids; passive and active cooling; advanced thermal system modeling; machine learning in thermal engineering
(This special issue belongs to the Section Energy Systems)
Progress in Analysis of Elements in Water Environment and Pollution Process Control submission deadline 31 May 2026 | 1 articles | Viewed by 1947 | Submission Open
Keywords: water pollution assessment and remediation; artificial intelligence in water pollution monitoring; hydrological and hydrogeochemical modeling of contaminants; groundwater contamination and sustainable management; isotope hydrology for tracing pollution sources; machine learning applications in water quality prediction; remote sensing for water pollution detection; emerging pollutants in aquatic systems; decision support systems for water pollution control
(This special issue belongs to the Section Environmental and Green Processes)
Hybrid Solar-Powered Heat Exchanger Systems: Innovations and Challenges submission deadline 31 May 2026 | Viewed by 1532 | Submission Open
Keywords: hybrid solar systems; heat exchangers; solar thermal energy; energy efficiency; renewable energy; phase change materials (PCMs); nanofluids; thermal performance; smart technologies; thermal storage solutions; industrial heating; residential heating
(This special issue belongs to the Section Energy Systems)
Intelligent Operation, Maintenance, and Scheduling of Industrial Manufacturing Processes
edited by , and Xiwang Guo
submission deadline 31 May 2026 | 2 articles | Viewed by 1335 | Submission Open
Keywords: intelligent manufacturing; human– robot collaboration; disassembly line optimization; artificial intelligence and machine learning; smart sensing and control; real-time scheduling and operation; sustainable manufacturing; digital twin and system simulation; energy-efficient production; heuristic and evolutionary optimization
(This special issue belongs to the Section Manufacturing Processes and Systems)
Carbon Capture, Utilization and Storage Technologies for Achieving Carbon Neutrality
edited by , Xiaoyu Zhang and
submission deadline 31 May 2026 | 1 articles | Viewed by 1259 | Submission Open
Keywords: Carbon Capture; Utilization and Storage (CCUS); carbon neutrality/net-zero emissions; CO2 mineralization and sequestration; integrated CO2 capture– conversion; CO2 conversion to fuels/chemicals; industrial flue gas treatment; negative emission technologies; chemical looping/calcium looping; Direct Air Capture (DAC); oxy-fuel combustion (O2/CO2)
(This special issue belongs to the Section Chemical Processes and Systems)
Oil Shale Mining and Processing
edited by , Chao Yang and Jian Yi
submission deadline 31 May 2026 | 1 articles | Viewed by 1231 | Submission Open
Keywords: in situ conversion of oil shale; micro-migration of shale oil; enrichment mechanisms of organic matter in oil shale; pyrolysis process of oil shale; analysis of oil shale oil products; high-temperature and high-pressure simulation experiments; isotopes and biomarker compounds; AI-based analysis of oil shale pyrolysis process; evaluation of semi-coke organic carbon; co-pyrolysis of oil shale and coal
(This special issue belongs to the Section Chemical Processes and Systems)
Conversion of Solid Waste into Green Materials: Innovations in Synthesis Processes and Valorization Options submission deadline 31 May 2026 | 2 articles | Viewed by 977 | Submission Open
Keywords: synthesis processes; biochar; hydrochar; ash; detailed characterization; pollutant adsorption and oxidation; nutrient recovery; bioremediation; reuse in agriculture; reuse for energy recovery
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Electrical Drive Control Methodologies submission deadline 31 May 2026 | 1 articles | Viewed by 947 | Submission Open
Keywords: machines and drives; power electronics; sensorless control; sliding mode control; repetitive control; deadbeat control; model predictive control; fault diagnosis and fault-tolerant control; intelligent and learning-based control; advanced modulation strategy; modeling and stability analysis
(This special issue belongs to the Section Automation Control Systems)
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