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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Intelligent Operation and Optimal Control of Energy Power Systems
edited by Muhammad Mahbubur Rashid
submission deadline 31 May 2026 | Viewed by 53 | Submission Open
Keywords: intelligent power systems; optimal control; artificial intelligence in energy systems; smart grid operation; renewable energy integration; data-driven optimization
(This special issue belongs to the Section Energy Systems)
Advances in Biomass Conversion and Biorefinery Applications
edited by Carlos Eduardo Molina-Guerrero and
submission deadline 1 Jun 2026 | 2 articles | Viewed by 2747 | Submission Open
Keywords: biomass residues; circular economy; green chemistry; reactor design; sustainable energy
(This special issue belongs to the Section Chemical Processes and Systems)
Synthesis, Characterization and Functional Properties of Green Nanocomposites submission deadline 5 Jun 2026 | Viewed by 554 | Submission Open
Keywords: synthesis; characterization; nanocomposites; biopolymers; sustainability; functionalization; performance; degradation; applications
(This special issue belongs to the Section Materials Processes)
Advanced Control, Removal, and Resource Recovery Processes in Wastewater Systems
edited by and Salem S. Abu Amr
submission deadline 10 Jun 2026 | 2 articles | Viewed by 8663 | Submission Open
Keywords: emerging contaminants; membrane separation; bioenergy production; water– energy nexus; resource recovery; wastewater treatment
(This special issue belongs to the Section Environmental and Green Processes)
Polymer Nanocomposites for Smart Applications
edited by Sakrit Hait
submission deadline 10 Jun 2026 | 2 articles | Viewed by 6618 | Submission Open
Keywords: polymer nanocomposites; polymer nano biocomposites; renewable micro-nanoparticles; carbon materials; structure– property relationship; physicomechanical characterization; smart applications
(This special issue belongs to the Section Materials Processes)
Advances in Theory and Technology of Unconventional Oil and Gas Reservoirs
edited by and
submission deadline 10 Jun 2026 | 8 articles | Viewed by 5627 | Submission Open
Keywords: shale oil and shale gas; coalbed methane; oil shale; tight oil and tight gas; gas hydrate
(This special issue belongs to the Section Energy Systems)
Sustainable Energy Technologies for Industrial Decarbonization
edited by and Hai Zhang
submission deadline 10 Jun 2026 | 1 articles | Viewed by 2929 | Submission Open
Keywords: industrial decarbonization; sustainable energy system; carbon-neutral fuels; waste heat recovery; carbon capture; utilization; and storage (CCUS); thermal energy storage; electrification of industry; renewable energy integration
(This special issue belongs to the Section Energy Systems)
Biogas Upgrading, Utilization, and Storage: Latest Advances and Perspectives
edited by
submission deadline 10 Jun 2026 | 1 articles | Viewed by 2884 | Submission Open
Keywords: biogas upgrading; anaerobic digestion; methane production; gas purification technologies; waste-to-energy systems; biogas storage solutions
(This special issue belongs to the Section Environmental and Green Processes)
Carbon Capture, Transportation, Utilization and Storage (CCUS) Process Optimization (CCUSPO)
edited by and
submission deadline 10 Jun 2026 | 1 articles | Viewed by 2577 | Submission Open
Keywords: CCUS process modelling; CCUS optimization; CCUS parameter sensitivity analysis; CCUS energy consumption and carbon emission assessment; CCUS economic evaluation; CCUS process dynamic modelling; CCUS process dynamic optimization
(This special issue belongs to the Section Environmental and Green Processes)
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 Jun 2026 | 1 articles | Viewed by 660 | 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)
Biological and Biotechnological Applications of Natural Products: Development, Chemical Analysis, Structure Determination, Bioactivity
edited by
submission deadline 10 Jun 2026 | 1 articles | Viewed by 381 | Submission Open
Keywords: natural products; bioactivity; structural elucidation; biotechnological applications; biosynthesis
(This special issue belongs to the Section Biological Processes and Systems)
Green and Sustainable Food Technologies: Innovations in Processing and Preservation
edited by , Thaisa Abrantes Souza Gusmão and Rennan Pereira de Gusmão
submission deadline 10 Jun 2026 | 1 articles | Viewed by 366 | Submission Open
Keywords: sustainable food processing; green technologies; eco-friendly preservation; process intensification; energy-efficient operations; food quality and safety; valorization of food by-products; novel preservation techniques; resource-efficient technologies; agro-food sustainability
(This special issue belongs to the Section Food Process Engineering)
Multiphase Flow and Reactive Processes of CO2 in Wellbore–Reservoir Systems During Drilling, Completion and Production
edited by Peng Xu, Lei Pu, , Wei Lv and Lin Du
submission deadline 10 Jun 2026 | 1 articles | Viewed by 283 | Submission Open
Keywords: CO2– wellbore– reservoir interactions; multiphase flow; drilling and completion fluids; reactive transport; CO2-enhanced oil recovery (CO2-EOR); geological CO2 storage and containment; Computational Fluid Dynamics (CFD)
(This special issue belongs to the Section Petroleum and Low-Carbon Energy Process Engineering)
Artificial Intelligence (AI), Machine Learning (ML), and Intelligent Robotics for Advanced Industrial Processes
edited by
submission deadline 10 Jun 2026 | Viewed by 169 | Submission Open
Keywords: artificial intelligence; machine learning; robotics; modelling; simulation; control; AI; ML; ANN; CNN; DNN; LSTM; RF
(This special issue belongs to the Section AI-Enabled Process Engineering)
Advances in Electrodes, Electrolytes and Electrochemistry for Next-Generation Energy Technologies
edited by Asad Ali and
submission deadline 10 Jun 2026 | Viewed by 100 | Submission Open
Keywords: electrodes; electrolytes; electrochemistry; energy storage; energy conversion; batteries; supercapacitors; fuel cells; solid-state electrolytes; interface engineering; sustainability
(This special issue belongs to the Section Energy Systems)
Advanced Strategies in Enhanced Oil Recovery: Theory and Technology
edited by , Mingchen Ding and
submission deadline 11 Jun 2026 | 8 articles | Viewed by 10725 | Submission Open
Keywords: enhanced oil recovery; water flooding; CO2 flooding; heavy oil reservoir; low-permeability reservoir; water shutoff; conformance control
(This special issue belongs to the Section Energy Systems)
Advanced Technology in Unconventional Resource Development
edited by Xiuyu Wang and
submission deadline 15 Jun 2026 | 12 articles | Viewed by 11492 | Submission Open
Keywords: tight oil reservoir; seepage law; spontaneous imbibition; CO2 flooding; chemical flooding
(This special issue belongs to the Section Chemical Processes and Systems)
Metal Oxides and Their Composites for Photocatalytic Degradation
edited by Jaideep Malik, Surjeet Chahal and Parmod Kumar
submission deadline 15 Jun 2026 | 3 articles | Viewed by 6877 | 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)
Process System Engineering of Gas Hydrate: Multiple Processes, Scales, Physics Fields and Senarios
edited by , and Jinxiu Yang
submission deadline 15 Jun 2026 | 1 articles | Viewed by 3140 | Submission Open
Keywords: gas hydrate; dynamic processes of hydrates (accumulation; formation; decomposition; monitoring); multiphase scales (molecular; core; well; formation); multiple senarios (simulation; experiment; field trial and testing); multiphase flows in porous media and pipelines; multiple physics fields (thermal; hydraulic; mechanical; chemical); fluid migration; seabed methane seepage; global warming
(This special issue belongs to the Section Chemical Processes and Systems)
Petroleum Characterization and Bioprocesses: Numerical and Experimental Investigation (2nd Edition) submission deadline 15 Jun 2026 | 3 articles | Viewed by 2610 | Submission Open
Keywords: petroleum; crude oil; fuel; nonlinear least square regression methods; meta-heuristic methods; energy; biofuel; bioprocesses
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Bioenergy and Sustainable Biomaterial Production Processes
edited by and Guang-Way Jang
submission deadline 15 Jun 2026 | 1 articles | Viewed by 539 | 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)
Towards Advanced and Sustainable Bio-Based Materials for Green Technologies
edited by and
submission deadline 15 Jun 2026 | Viewed by 157 | 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 95 | 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 94 | 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 62 | 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 10200 | 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 17943 | 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 12834 | 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 10580 | 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 9628 | 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 5976 | 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 5136 | 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 4452 | 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 3808 | 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 3303 | 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 1552 | 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 1189 | 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 798 | 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 321 | 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 181 | 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 120 | 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 2067 | 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 6132 | 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 3357 | 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 3066 | 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 1818 | 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 1574 | 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 1301 | 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 1056 | 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 67 | 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)
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