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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Material Design and Characterization Analysis for Sustainable Next Generation Solar Cells submission deadline 31 May 2026 | Viewed by 696 | Submission Open
Keywords: solar; energy storage; transforming energy access; end-of-life; sustainability; renewable; electrolytes; perovskite
(This special issue belongs to the Section Energy Systems)
Processing and Analysis of Dairy Products
edited by
submission deadline 31 May 2026 | 1 articles | Viewed by 657 | Submission Open
Keywords: dairy processing; analytical methods; fermentation; quality control; rheology; probiotic and functional dairy products; non-thermal technologies; compositional analysis; predictive modelling; sustainability; dairy innovation
(This special issue belongs to the Section Food Process Engineering)
Technologies, Applications and Challenges of Pectin in Industrial Processes submission deadline 31 May 2026 | Viewed by 350 | Submission Open
Keywords: composites; covalent and non-covalent interaction; extraction; pectin-based gels; pectin fermentation; coating; nanoparticles with pectin; modified pectin
(This special issue belongs to the Section Biological Processes and Systems)
Process Engineering and Theoretical Advances in Emission Reduction and Carbon Storage in Coal Mining
edited by Zhongbei Li, Xianfeng Liu and
submission deadline 31 May 2026 | Viewed by 311 | Submission Open
Keywords: emission mitigation; carbon storage; coal mining; CO2 mineralization; coal-gas interactions; process engineering optimization; life-cycle assessment
(This special issue belongs to the Section Energy Systems)
Sustainable Waste Valorization and Green Materials: Innovations in Water Treatment and Environmental Remediation Nexus
edited by Qunshan Wei and Charles Nzila
submission deadline 31 May 2026 | Viewed by 290 | Submission Open
Keywords: adsorbents; biobased materials; bioenergy; circular economy; environmental remediation; green materials and water treatment innovations; integrated low-cost water purification; resource recovery; sustainable waste valorization; waste– water nexus
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Hydrogen Energy Systems and Hybrid Energy Storage submission deadline 31 May 2026 | Viewed by 283 | Submission Open
Keywords: sustainable hydrogen; hydrogen production; application and strategy; storage; infrastructure; distribution; hybrid systems; environmental impact; drop-in fuel
(This special issue belongs to the Section Energy Systems)
Advances and Applications of Fluidized Bed Technology
edited by
submission deadline 31 May 2026 | Viewed by 259 | Submission Open
Keywords: fluidized beds; multiphase flow; process intensification; reactor engineering; scale-up; biomass conversion
(This special issue belongs to the Section Energy Systems)
Development of Microwave Food Processing Technology
edited by
submission deadline 31 May 2026 | Viewed by 258 | Submission Open
Keywords: microwave processing; microwave-assisted drying; microwave-assisted baking; microwave-assisted extraction; microwave-assisted pasteurization; microwave-assisted sterilization; microwave-assisted thawing; novel processing technology; process development; process efficiency
(This special issue belongs to the Section Food Process Engineering)
Advanced Bioprocesses for the Valorization of Agroindustrial Waste into Probiotic Foods and Bioactive Compounds
edited by , Maressa Caldeira Morzelle and Tatianne Ferreira de Oliveira
submission deadline 31 May 2026 | Viewed by 238 | Submission Open
Keywords: agroindustrial waste; valorization; fermentation; probiotics; prebiotics; bioactive compounds; bioprocesses; process optimization; functional foods
(This special issue belongs to the Section Food Process Engineering)
Artificial Intelligence and Machine Learning for Wind Energy Resource Modelling and Forecasting
edited by
submission deadline 31 May 2026 | Viewed by 235 | Submission Open
Keywords: wind energy; machine learning; artificial intelligence; NWP models
(This special issue belongs to the Section AI-Enabled Process Engineering)
Advances in VOC Degradation by Adsorption/Catalytic Oxidation
edited by
submission deadline 31 May 2026 | Viewed by 209 | Submission Open
Keywords: VOC removal; adsorption; catalytic oxidation; advanced adsorbent materials; advanced oxidation processes (AOPs); metal oxide catalysts; MOFs; reaction mechanisms; hybrid processes; air pollution control; sustainable remediation
(This special issue belongs to the Section Chemical Processes and Systems)
Innovative Applications of Machine Learning in Advanced Materials Property Modeling
edited by
submission deadline 31 May 2026 | Viewed by 203 | Submission Open
Keywords: machine learning; property prediction; data-driven modeling; materials discovery; high-throughput screening; model interpretability
(This special issue belongs to the Section Chemical Processes and Systems)
Multiphase Flow Separation: Fundamentals, Technologies, and Emerging Applications
edited by Yubin Wang
submission deadline 31 May 2026 | Viewed by 184 | Submission Open
Keywords: multiphase separation; separation technology; sustainable processes; flow separation; process intensification
(This special issue belongs to the Section Separation Processes)
Intelligent Operation and Optimal Control of Energy Power Systems
edited by Muhammad Mahbubur Rashid
submission deadline 31 May 2026 | Viewed by 162 | 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)
Synthesis, Characterization and Functional Properties of Green Nanocomposites submission deadline 5 Jun 2026 | Viewed by 654 | 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 11142 | 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 | 4 articles | Viewed by 9613 | 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 | 11 articles | Viewed by 8959 | 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 4035 | 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 3748 | 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 3411 | 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)
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 1005 | 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 893 | 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)
Advances in Electrodes, Electrolytes and Electrochemistry for Next-Generation Energy Technologies
edited by Asad Ali and
submission deadline 10 Jun 2026 | 1 articles | Viewed by 710 | 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 | 11 articles | Viewed by 15028 | 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 | 14 articles | Viewed by 17251 | 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 | 4 articles | Viewed by 9031 | 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 3774 | 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 3532 | 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 | 2 articles | Viewed by 1453 | 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)
Process Innovation and Intensification in Photobioreactors for Enhanced Biomass and Bioenergy Production submission deadline 15 Jun 2026 | Viewed by 464 | 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)
Towards Advanced and Sustainable Bio-Based Materials for Green Technologies
edited by and
submission deadline 15 Jun 2026 | Viewed by 355 | 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)
Modeling, Control and Optimization of Food Fermentation Processes
edited by and Paola Maturano
submission deadline 15 Jun 2026 | Viewed by 225 | Submission Open
Keywords: fermentative process; modeling; control process; design; microorganisms; bioprocess; optimization; food; beverage
(This special issue belongs to the Section Food Process Engineering)
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 201 | 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)
AI-Driven Innovations for Enhancing Power System Stability and Operational Efficiency
edited by
submission deadline 18 Jun 2026 | 14 articles | Viewed by 14765 | 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 21269 | 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 | 10 articles | Viewed by 19426 | 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 | 4 articles | Viewed by 13956 | 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 11657 | Submission Open
Keywords: machine learning; fluid dynamics; heat transfer; reacting flows; numerical modeling; experimental diagnosis
(This special issue belongs to the Section Energy Systems)
Research of Bioactive Synthetic and Natural Products Chemistry
edited by , and Panagoula Pavlou
submission deadline 20 Jun 2026 | 5 articles | Viewed by 9250 | Submission Open
Keywords: synthetic chemistry of bioactive compounds; chemistry and Isolation of natural products; innovative bioactive formulations; quantification assays
(This special issue belongs to the Section Pharmaceutical Processes)
Recent Advances in Wastewater Treatment Technology to Achieve Low Carbonization
edited by and
submission deadline 20 Jun 2026 | 4 articles | Viewed by 7804 | Submission Open
Keywords: low carbon; wastewater; energy recovery; energy efficiency; circular economy
(This special issue belongs to the Section Environmental and Green 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 6013 | 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)
Biological and Pharmacological Activity of Natural Products submission deadline 20 Jun 2026 | 2 articles | Viewed by 2575 | 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)
Recent Advances and Technologies in Internal Combustion Engines: Combustion Analysis and Emission Control
edited by and Erdinç Vural
submission deadline 20 Jun 2026 | 3 articles | Viewed by 1789 | 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)
Green and Scalable Bioprocess Engineering: Enzymatic Systems, Process Intensification and Sustainable Applications submission deadline 20 Jun 2026 | 2 articles | Viewed by 1782 | 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)
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 1762 | 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)
Synthesis and Functional Applications of Organochalcogen Compounds
edited by , and Luana da Silva Gomes
submission deadline 20 Jun 2026 | Viewed by 288 | Submission Open
Keywords: organochalcogens; synthetic methodologies; redox activity; catalysis; functional materials
(This special issue belongs to the Section Chemical Processes and Systems)
Extraction, Analysis and Applications of Bioactive Natural Products
edited by Ba Vinh Le
submission deadline 20 Jun 2026 | Viewed by 280 | 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)
Advances in Drilling and Excavation Theories and Technologies for Petroleum, Coal Seam and Sustainable Resources
edited by and
submission deadline 23 Jun 2026 | 11 articles | Viewed by 6956 | 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 7675 | 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)
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