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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Waste Biorefinery Technologies for Sustainable Energy Processes
edited by Marco Antonio Garzón-Zúñiga and Denisse Serrano-Palacios
submission deadline 28 Feb 2026 | Viewed by 108 | Submission Open
Keywords: circular economy; waste (water) to byproducts; lignocellulosic compounds breakdown; anaerobic digestion in two steps; dark fermentation; anaerobic digestion; biogas; VFA; volatile fatty acids; bioenergy; biohydrogen; biomethane; biohythane; bioethanol; biodiesel; biomass pretreatment; biomass conversion; biopolymers; polyhydroxyalkanoates; ethanol; microalgae production; microalgae production from wastewater; life cycle assessment; urban organic waste; organic waste (liquid and solid); organic waste fermentation
(This special issue belongs to the Section Biological Processes and Systems)
Microelectronics Processing Technologies: Current Status and Prospects submission deadline 28 Feb 2026 | Viewed by 107 | Submission Open
Keywords: microelectronics; semiconductor processes MEMS/NEMS integration; fabrication; thermal management; process modeling; packaging; yield and reliability; advanced materials
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advances in Alternative Fuel Engines and Combustion Technology
edited by Pengbo Dong, Dongsheng Dong and Fuxing Wei
submission deadline 28 Feb 2026 | Viewed by 105 | Submission Open
Keywords: alternative fuel; combustion; emission; engine
(This special issue belongs to the Section Chemical Processes and Systems)
Hybrid Propulsion Systems: Design, Power Management and Control
edited by , Congbiao Sui and La Xiang
submission deadline 28 Feb 2026 | Viewed by 86 | Submission Open
Keywords: hybrid propulsion; design and optimization; energy efficiency; operational safety; power management; control
(This special issue belongs to the Section Energy Systems)
Electronic Structure and Magnetic Control in Novel Quantum Materials
edited by
submission deadline 28 Feb 2026 | Viewed by 82 | Submission Open
Keywords: topological materials; 2D magnetic materials; electronic structure; dirac semimetals; magnetic topological insulators
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advances in Carbon Capture Processes and Energy-Production Alternatives
edited by Gretta Ferrufino and Carlos Manuel Romero Luna
submission deadline 28 Feb 2026 | Viewed by 54 | Submission Open
Keywords: CO2 capture processes; post-combustion; pre-combustion; pyrolysis; CO2 sorbent; biomass and industrial wastes; calcium looping; chemical looping; energy storage; gasification and hydrogen; ACV; BECCS
(This special issue belongs to the Section Energy Systems)
Advances in Renewable Energy Systems (2nd Edition)
edited by , Virgilio Ciancio and Jacopo Dell’Olmo
submission deadline 5 Mar 2026 | 14 articles | Viewed by 29513 | Submission Open
Keywords: alternative energy sources; eco-compatible energy end uses; availability of renewable energy systems; economic impacts of renewable energy; climate change
(This special issue belongs to the Section Energy Systems)
Recycling and Reusing of Various Spent Batteries
edited by Marcos B.J.G. Freitas and Éric Marsalha Garcia
submission deadline 5 Mar 2026 | Viewed by 494 | Submission Open
Keywords: recycling; batteries; lithium-ion batteries; nickel– metal hydride batteries; zinc– manganese oxide batteries; nickel– cadmium battery; green recycling; circular economy
(This special issue belongs to the Section Environmental and Green Processes)
Preparation, Characterization, and Application of Carbon Nanocomposites
edited by Wenqian Chen
submission deadline 5 Mar 2026 | Viewed by 216 | Submission Open
Keywords: carbon nanocomposites; material synthesis; advanced characterization; properties; functional material; sustainable applications
(This special issue belongs to the Section Materials Processes)
Advanced Spectrometric and Electronic Determination Technology in Food and Biochemical Analysis submission deadline 5 Mar 2026 | Viewed by 91 | Submission Open
Keywords: food quality; hyperspectral imaging; near-infrared spectroscopy; nuclear magnetic resonance; process control; Raman spectroscopy
(This special issue belongs to the Section Food Process Engineering)
Environmental Pollution Control and Renewable Energy Conversion Technologies
edited by Da Cui
submission deadline 5 Mar 2026 | Viewed by 88 | Submission Open
Keywords: porous media; condensation heat and mass transfer; energy storage; renewable energy conversion; CFD; LBM; artificial intelligence in energy and environment; sustainable process engineering
(This special issue belongs to the Section Environmental and Green Processes)
Non-ferrous Metal Metallurgy and Its Cleaner Production submission deadline 10 Mar 2026 | 5 articles | Viewed by 12232 | Submission Open
Keywords: nonferrous metallurgy; green metallurgical processes; resource recovery; waste recycling; sustainable practices; thermodynamics; kinetics
(This special issue belongs to the Section Chemical Processes and Systems)
Drug Carriers Production Processes for Innovative Human Applications (2nd Edition)
edited by
submission deadline 10 Mar 2026 | 4 articles | Viewed by 6481 | Submission Open
Keywords: nanoparticles; nanocapsules; nanospheres; liposomes; foams; carbon nanotubes; dendrimers; cubosomes; niosomes; hydrogels; conventional processes; drug delivery systems; modeling of drug delivery; high-pressure systems; supercritical processes; economic analysis; environmental impact of processes
(This special issue belongs to the Section Pharmaceutical Processes)
Extraction, Separation, and Purification of Bioactive Compounds
edited by Martina Jakovljević Kovač and
submission deadline 10 Mar 2026 | 5 articles | Viewed by 6218 | Submission Open
Keywords: extraction; purification; bioactive components; solvents; chromatography; optimization; innovative techniques
(This special issue belongs to the Section Separation Processes)
Feature Reviews in Food Processing Technologies: Present Innovations and Future Opportunities (2nd Edition)
edited by , , Hafida Wahia and
submission deadline 10 Mar 2026 | 2 articles | Viewed by 4431 | Submission Open
Keywords: food safety; emerging and innovative detection techniques; advances in food engineering and manufacturing technologies; advanced technological applications including nanoscience and biotechnology
(This special issue belongs to the Section Food Process Engineering)
New Trends in Hydrodynamics of Industrial Processes: Energy Efficiency and Optimization
edited by and Alejandro Alonzo-Garcia
submission deadline 10 Mar 2026 | 3 articles | Viewed by 3646 | Submission Open
Keywords: mixing; reactors; photocatalysis; computational fluid dynamics; wastewater treatment; porous media
(This special issue belongs to the Section Chemical Processes and Systems)
Electrochemical Sensors for Environmental and Food Sample Detection
edited by and Sasya Madhurantakam
submission deadline 10 Mar 2026 | 1 articles | Viewed by 2997 | Submission Open
Keywords: electrochemical sensor; heavy metal; pesticides; PFAS (per- and polyfluoroalkyl substances); pathogens; toxins; microplastics; environmental contaminants
(This special issue belongs to the Section Chemical Processes and Systems)
Supercritical Fluid Technology and Its Applications in Separation Processes submission deadline 10 Mar 2026 | 2 articles | Viewed by 1743 | Submission Open
Keywords: supercritical fluids; extraction; gasification; phase equilibrium; chromatography; sustainability
(This special issue belongs to the Section Separation Processes)
Bioactive Compound Function Characterization in Biochemical Engineering submission deadline 10 Mar 2026 | 1 articles | Viewed by 908 | Submission Open
Keywords: bioactive compounds; functional characterization; biochemical engineering; omics technologies; in silico analysis; natural product-based therapeutics; computational modeling
(This special issue belongs to the Section Biological Processes and Systems)
Process Safety and Monitoring of Intelligent and Green Mining Technology (2nd Edition)
edited by Yang Li, Guanglei Zhou and Feiyue Liu
submission deadline 10 Mar 2026 | 2 articles | Viewed by 905 | Submission Open
Keywords: mining technology; mine safety technology; rock mass stability; ground pressure disaster; mine monitoring and early warning
(This special issue belongs to the Section Energy Systems)
Control and Removal of Heavy Metals in the Environment
edited by Gordana Dević, and
submission deadline 10 Mar 2026 | Viewed by 402 | Submission Open
Keywords: heavy metal; terrestrial and aquatic environments; environmental impact and protection; methods; monitoring
(This special issue belongs to the Section Environmental and Green Processes)
Process Control and Intensification in Chemical Engineering
edited by
submission deadline 10 Mar 2026 | Viewed by 219 | Submission Open
Keywords: process control; process intensification; industrial intelligence; optimal control
(This special issue belongs to the Section Process Control and Monitoring)
Advances in Decarbonization Processes in Industry
edited by Talieh Rajabloo
submission deadline 10 Mar 2026 | Viewed by 209 | Submission Open
Keywords: carbon capture and utilization in heavy industries; processes for CO2 conversion to high-added-value chemicals; disruptive CO2 conversion technologies; laboratory-; pilot-; and industry-scale CO2 conversion processes; waste heat recovery in CO2 mitigation; renewable carbon resources; processes for the conversion of biomaterial and waste streams to added-value chemicals
(This special issue belongs to the Section Energy Systems)
Water Treatment Technology Based on Chemical Processing submission deadline 10 Mar 2026 | Viewed by 147 | Submission Open
Keywords: advanced oxidation processes (AOPs); chemical water treatment; adsorption and ion exchange; electrochemical processes; photocatalysis; nanomaterials and catalysts; hybrid treatment systems; reaction kinetics and modeling; life cycle assessment (LSA); emergent pollutants
(This special issue belongs to the Section Environmental and Green Processes)
Progress in Performance Evaluation and Optimization of Photovoltaic Systems
edited by and Ahmet Serdar Yilmaz
submission deadline 10 Mar 2026 | Viewed by 118 | Submission Open
Keywords: photovoltaic systems; performance evaluation; optimization techniques; solar energy; efficiency improvement; energy storage integration; degradation analysis; environmental impact; real-time monitoring; predictive analytics
(This special issue belongs to the Section Energy Systems)
Catalysis in Sustainable Fuel Production
edited by Jialu Li
submission deadline 10 Mar 2026 | Viewed by 84 | Submission Open
Keywords: sustainable fuel production; home and heterogenous catalysis; biomass conversion; CO2 utilization; water splitting; hydrogen economy; renewable energy
(This special issue belongs to the Section Energy Systems)
Experimental and Numerical Study of Flame Propagation of Biofuels/Oxidizers/Inert Mixtures (Third Edition)
edited by
submission deadline 10 Mar 2026 | Viewed by 80 | Submission Open
Keywords: combustion of fuels; explosion; biofuels; explosion parameters; burning velocities; simulations
(This special issue belongs to the Section Energy Systems)
The Application and Prospect of Multiphase Flow Technology in Oil and Gas Exploitation submission deadline 13 Mar 2026 | Viewed by 629 | Submission Open
Keywords: multiphase flow; flow assurance; multiphase flow metering; multiphase flow pumping; experimental investigation; CFD
(This special issue belongs to the Section Energy Systems)
Separation and Extraction Techniques in Food Processing and Analysis submission deadline 15 Mar 2026 | 9 articles | Viewed by 26823 | Submission Open
Keywords: separation; extraction; food processing; food quality; new sorbents; green solvents; materials and technologies; sample preparation
(This special issue belongs to the Section Food Process Engineering)
Process Intensification in Chemical Reaction Engineering (2nd Edition) submission deadline 15 Mar 2026 | 4 articles | Viewed by 10879 | Submission Open
Keywords: process intensification; chemical reaction engineering; microreactors; microwaves; sonochemistry; reactive chromatography; reactive distillation; structured reactors; static mixers; microfluidics
(This special issue belongs to the Section Chemical Processes and Systems)
Synthesis, Characterization, and Application of Sustainable Plastic Materials
edited by
submission deadline 15 Mar 2026 | 2 articles | Viewed by 9251 | Submission Open
Keywords: sustainable materials; biodegradable polymers; plastic recycling; microplastic analysis; fluorescent polymers; renewable resources; absorption and emission spectroscopy
(This special issue belongs to the Section Materials Processes)
Process Safety Technology for Nuclear Reactors and Power Plants
edited by , Jipu Wang and Sijuan Chen
submission deadline 15 Mar 2026 | 4 articles | Viewed by 6318 | Submission Open
Keywords: nuclear safety; passive safety systems; digitalization in nuclear power; risk-informed decision making; AI in nuclear lifecycle management
(This special issue belongs to the Section Energy Systems)
Power System Optimization for Energy Storage: Methods and Applications
edited by Hejun Yang, Ning Yan and
submission deadline 15 Mar 2026 | 9 articles | Viewed by 6180 | Submission Open
Keywords: energy system; methods; application; market and commercial mode; planning; assessment; operation and maintenance; dispatching and control; stability
(This special issue belongs to the Section Energy Systems)
Progress in Design and Optimization of Fault Diagnosis Modelling
edited by Xiaoyong Gao, Maoyin Chen, Chaodong Tan and
submission deadline 15 Mar 2026 | 3 articles | Viewed by 3384 | Submission Open
Keywords: model-based diagnosis; data-driven diagnosis methods; process supervision; active fault diagnosis methods; statistical methods for fault diagnosis; soft computing methods for fault diagnosis
(This special issue belongs to the Section Automation Control Systems)
Application of Multiphase Flow Separation Technology in Energy Engineering
edited by Wei Jiang, Naixing Yang and Xiangyuan Zhu
submission deadline 15 Mar 2026 | 2 articles | Viewed by 3127 | Submission Open
Keywords: energy engineering; multiphase flow; simulation; turbomachinery; flow mechanism
(This special issue belongs to the Section Energy Systems)
Biopolymer Processing, Utilization and Applications
edited by
submission deadline 15 Mar 2026 | 2 articles | Viewed by 2000 | Submission Open
Keywords: biopolymeric nano- and micro particles; biopolymers in composites; bacteria-derived biopolymers; biopolymers in packaging; biopolymers in energy; biopolymers in medicine; biopolymers as adsorbents; degradation of biopolymers
(This special issue belongs to the Section Materials Processes)
Oil Shale Mining and Processing
edited by , Chao Yang and Jian Yi
submission deadline 15 Mar 2026 | 1 articles | Viewed by 531 | 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)
Cutting-Edge Approaches for the Plastic Recycling
edited by , Zhaohan Yu and Shehla Mushtaq
submission deadline 15 Mar 2026 | Viewed by 382 | 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)
Design and Optimization of Chemical Sensors
edited by Ignacio Llamas-Garro and
submission deadline 15 Mar 2026 | Viewed by 98 | Submission Open
Keywords: chemical sensors; sensor optimization; electrochemical detection; nanomaterials; gas sensing; biosensors; signal processing; sensor design; sensitivity and selectivity; environmental monitoring; wearable sensors; sensor miniaturization; real-time sensing; analytical chemistry; data-driven sensor design
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Phase Change Materials for Enhanced Thermal Energy Storage Systems submission deadline 15 Mar 2026 | Viewed by 63 | Submission Open
Keywords: phase change materials (PCMs); thermal energy storage (TES); latent heat storage; thermal conductivity enhancement; encapsulation techniques; shape-stabilized PCMs; thermal and chemical stability; fire safety and flammability; health and environmental impacts; energy efficiency
(This special issue belongs to the Section Energy Systems)
Processes in Agri-Food Technology
edited by
submission deadline 20 Mar 2026 | 8 articles | Viewed by 13239 | Submission Open
Keywords: agri-food productivity; sustainable and climate-resilient food systems; precision agriculture; IoT and AI-enabled urban farming; food resiliency and security; food innovation and sustainability; waste valorisation for a circular food economy
(This special issue belongs to the Section Food Process Engineering)
Sustainable Management of Wastewater and Sludge
edited by Zhetai Hu, Zhiqiang Zuo and
submission deadline 20 Mar 2026 | 5 articles | Viewed by 10419 | Submission Open
Keywords: sustainable biotechnology; wastewater treatment; sludge treatment; low greenhouse gas emission; resource recovery; nitrogen removal; integrated wastewater management; use of digestate; bioplastics
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Wastewater Treatment Processes and Technologies submission deadline 20 Mar 2026 | 5 articles | Viewed by 5219 | Submission Open
Keywords: wastewater treatment; green methods; pollutant removal; material design; nanomaterials; adsorption; advanced oxidation processes; catalysis
(This special issue belongs to the Section Environmental and Green Processes)
Waste Management and Biogas Production Process and Application
edited by and Nwabunwanne Enebe
submission deadline 20 Mar 2026 | 2 articles | Viewed by 3697 | Submission Open
Keywords: anaerobic digestion; energy efficiency; energy sustainability; waste to energy process; biogas digesters; techno-economic feasibility and waste environmental impact assessment
(This special issue belongs to the Section Environmental and Green Processes)
Application of Microorganisms in Pollutant Degradation submission deadline 20 Mar 2026 | 1 articles | Viewed by 2703 | Submission Open
Keywords: bioremediation; biosorption; emerging pollutants; environmental microbiology; environmental pollution; heavy metals detoxification; hydrocarbons; industrial chemicals; microbial immobilization; organic pollutants; pesticides; pharmaceutical wastes; pollutant degradation; soil remediation; waste treatment; water treatment
(This special issue belongs to the Section Environmental and Green Processes)
Biofuels Production Processes
edited by
submission deadline 20 Mar 2026 | 3 articles | Viewed by 2156 | Submission Open
Keywords: biofuel production; biomass conversion; pyrolysis and biochar; ESG in bioenergy; sustainable energy; process optimization; life cycle assessment; responsible sourcing; waste-to-energy; environmental impact; energy policy and governance
(This special issue belongs to the Section Environmental and Green Processes)
Development of Cutting-Edge Nanomaterials and Composite Materials for Sustainable Energy Application
edited by Kunyapat Thummavichai and Fang Xu
submission deadline 20 Mar 2026 | 1 articles | Viewed by 1785 | Submission Open
Keywords: composite materials; smart grid application; simulation energy solutions; nanotechnology; renewable applications
(This special issue belongs to the Section Chemical Processes and Systems)
Synthesis, Isolation and Application of Carbohydrates
edited by Bulan Wu and Guowen Xing
submission deadline 20 Mar 2026 | 1 articles | Viewed by 1376 | Submission Open
Keywords: carbohydrates; monosaccharides; disaccharides; oligosaccharides; polysaccharides; glycans; glycoconjugates; glycopolymers; glycosylation; chemoenzymatic synthesis
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Metallurgical Processing and Involved Separation Techniques submission deadline 20 Mar 2026 | Viewed by 330 | Submission Open
Keywords: hydrometallurgy; pyrometallurgy; recycling; energy transition
(This special issue belongs to the Section Separation Processes)
Innovative Computational Approaches for Complex Multiphase Flow in Energy, Environment and Manufacturing
edited by Adefarati Oloruntoba, and Hongliang Xiao
submission deadline 20 Mar 2026 | Viewed by 130 | Submission Open
Keywords: reactive flows; fluidized beds; bioenergy; carbon capture; mineral processing; advanced manufacturing; machine learning– CFD hybrid models; computational frameworks; LCA; CFD; process intensification; scale-up; validation with experiments
(This special issue belongs to the Section Particle Processes)
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