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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Advances in Metallurgical Processing and Involved Separation Techniques submission deadline 20 Mar 2026 | Viewed by 409 | 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 201 | 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)
Advances in Electrochemical Sensors: Materials Design, Functionalization, and Applications
edited by and
submission deadline 20 Mar 2026 | Viewed by 128 | Submission Open
Keywords: electrochemical sensors; materials design; functionalization; nanostructured electrodes; interface engineering; EIS; environmental and biomedical applications
(This special issue belongs to the Section Chemical Processes and Systems)
Application of Photocatalysis in Environmental Remediation
edited by Azrina Abd Aziz and
submission deadline 20 Mar 2026 | Viewed by 97 | Submission Open
Keywords: photocatalysis; heterogeneous photocatalysis; homogeneous photocatalysis; photocatalytic semiconductor; nanocomposite; nanomaterial; photocatalytic degradation; pollutant removal; environmental remediation; photocatalytic reactor
(This special issue belongs to the Section Environmental and Green Processes)
Photosensitive Molecular Switches: From Isolated Molecules to Processes
edited by
submission deadline 25 Mar 2026 | 4 articles | Viewed by 10067 | Submission Open
Keywords: photosensitive materials; molecular switch; photoisomerization; computational modelling; functional materials; remote control of structures and properties; molecular junctions
(This special issue belongs to the Section Materials Processes)
Industry 4.0 Technologies and Strategies in Lean Manufacturing Processes submission deadline 25 Mar 2026 | 3 articles | Viewed by 7039 | Submission Open
Keywords: Industry 4.0; lean manufacturing tools; manufacturing process improvement; manufacturing; intelligent manufacturing
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advances in Interactions of Polymers in Emulsion Systems submission deadline 25 Mar 2026 | 3 articles | Viewed by 6389 | Submission Open
Keywords: polymer– surfactant interactions; polymer– polymer interactions; emulsions; adsorption on the interface; polymers; biopolymers; disperse systems; interfacial properties
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Manufacturing Processes of Composite Materials
edited by Yamin Li
submission deadline 25 Mar 2026 | 1 articles | Viewed by 2765 | Submission Open
Keywords: composite materials; composite-forming processes; composite printing; process modeling; optimization of materials and processes
(This special issue belongs to the Section Materials Processes)
Synergetic Applications of Machine Learning and Chemical Engineering submission deadline 25 Mar 2026 | Viewed by 759 | Submission Open
Keywords: machine learning; chemical engineering; crystallization processes; process modeling and simulation; advanced control strategies; predictive maintenance; process optimization; deep learning and neural networks; process intensification; sustainability
(This special issue belongs to the Section Chemical Processes and Systems)
Metal Catalysts in Organic Chemistry
edited by
submission deadline 25 Mar 2026 | Viewed by 507 | Submission Open
Keywords: transition metal; homogeneous catalysis; heterogeneous catalysis; mechanistic investigation
(This special issue belongs to the Section Catalysis Enhanced Processes)
Research Progress of Gas-Liquid Two-Phase Flow in Turbomachinery
edited by Mingcong Luo
submission deadline 25 Mar 2026 | Viewed by 262 | Submission Open
Keywords: efficient cooling technology for air intake; wet compression technique; wet cycle; flow heat transfer; thermodynamic system; rain-absorbing condition
(This special issue belongs to the Section Chemical Processes and Systems)
AI-Enabled Fluid Dynamics: The Future Revolution of Intelligent Fluid Technology
edited by Ruichuan Li, and Jikang Xu
submission deadline 25 Mar 2026 | Viewed by 142 | Submission Open
Keywords: hydraulic technology; adaptive control; computational fluid dynamics; fluid dynamics; hydraulic system simulation; fault diagnosis; sealing and lubrication; artificial intelligence; machine learning; deep learning
(This special issue belongs to the Section AI-Enabled Process Engineering)
Process Control and Optimization in the Era of Industry 5.0
edited by , , and Zhonggai Zhao
submission deadline 27 Mar 2026 | 3 articles | Viewed by 2103 | Submission Open
Keywords: process data analysis and modeling; intelligent information perception and data processing; data-driven modeling; parameter estimation and system identification; system simulation and dynamic simulation; digital twin of industrial process equipment; machine learning algorithms and applications; industrial intelligent control and intelligent optimization; data-driven model-based predictive control; advanced control theory and methods; data drive and control in the process industry; servo-drive control; engineering equipment modeling and intelligent control; smart factories in the era of Industry 5.0; optimization and production scheduling; quality prediction of industrial process products
(This special issue belongs to the Section Process Control and Monitoring)
Application of Absorption Cycles in Renewable Energy
edited by Chong Zhai and Dong Li
submission deadline 27 Mar 2026 | 2 articles | Viewed by 1523 | Submission Open
Keywords: absorption heat pump; absorption heat transformer; thermal energy storage; liquid desiccant air conditioning; solar cooling; novel working fluids
(This special issue belongs to the Section Energy Systems)
Research on Conversion and Utilization of Waste Biomass submission deadline 30 Mar 2026 | 4 articles | Viewed by 14241 | Submission Open
Keywords: biomass; bioenergy; biofuels; bioproducts; biochemicals; biorefinery; conversion processes
(This special issue belongs to the Section Environmental and Green Processes)
Optimal Design, Control and Simulation of Energy Management Systems
edited by Chutong Wang, Junhui Li, Wuqin Tang and Yubin Wang
submission deadline 30 Mar 2026 | 4 articles | Viewed by 3773 | Submission Open
Keywords: energy management systems; advanced control strategies; integration of renewable energy sources; distributed energy resources; energy storage systems; simulation techniques; demand response and load forecasting
(This special issue belongs to the Section Energy Systems)
AI-Driven Advanced Process Control for Smart Energy Systems
edited by , and
submission deadline 30 Mar 2026 | 2 articles | Viewed by 1932 | Submission Open
Keywords: intelligent process control; artificial intelligence; model-free control; data-driven control; nonlinear systems; HVDC and optimal power flow; renewable and electric vehicles; controller monitoring; sustainable control solutions; real-time decision-making
(This special issue belongs to the Section Process Control and Monitoring)
Natural Bioactive Compounds: Methods for Extraction, Characterization and Application
edited by Mariela R. Michel and
submission deadline 30 Mar 2026 | 1 articles | Viewed by 1909 | Submission Open
Keywords: natural bioactive compounds; extraction methods; food applications; biotic products; functional foods; encapsulation technologies; analytical characterization; bioavailability and stability
(This special issue belongs to the Section Biological Processes and Systems)
Lignin Utilization: Depolymerization and Bioconversion Process
edited by Fang Deng
submission deadline 30 Mar 2026 | 1 articles | Viewed by 1153 | Submission Open
Keywords: depolymerization; bioconversion; enzyme; fermentation; metabolic engineering; process optimization
(This special issue belongs to the Section Environmental and Green Processes)
Adsorption and Pore Structure Analysis in Coalbed Methane and Gas Recovery
edited by Hexin Huang, and
submission deadline 30 Mar 2026 | 1 articles | Viewed by 683 | Submission Open
Keywords: coalbed methane; gas adsorption mechanism; pore structure characterization; pore size distribution; geological engineering; gas recovery efficiency; adsorption thermodynamics; adsorption kinetics
(This special issue belongs to the Section Energy Systems)
Computational Fluid Dynamics Modeling and Simulation in Material Processing and Metallurgy
edited by and
submission deadline 30 Mar 2026 | Viewed by 166 | Submission Open
Keywords: CFD; simulation; multiphase flow; steelmaking; continuous casting; design
(This special issue belongs to the Section Chemical Processes and Systems)
Synthesis and Applications of Nanomaterials
edited by
submission deadline 31 Mar 2026 | 7 articles | Viewed by 9243 | Submission Open
Keywords: nanomaterial; nanoparticle; nanostructure; self-assembly; nanoporous
(This special issue belongs to the Section Materials Processes)
Synthesis, Application and Structural Analysis of Composite Materials
edited by Caleb Carreño-Gallardo
submission deadline 31 Mar 2026 | 3 articles | Viewed by 8409 | Submission Open
Keywords: reinforcement synthesis; material functionalization; metal matrix composites; carbides; porous materials; powder
(This special issue belongs to the Section Materials Processes)
Coalbed Methane Development Process
edited by Songhang Zhang, Qiulei Guo and Xinlu Yan
submission deadline 31 Mar 2026 | 12 articles | Viewed by 8124 | Submission Open
Keywords: deep coalbed methane; exploration and development; technological advancements; coal reservoir; gas content; water chemistry; CO2-enhanced coalbed methane; coalbed methane numerical simulation; dewatering optimization; production patterns and law of coalbed methane wells
(This special issue belongs to the Section Energy Systems)
Advanced Oxidation Processes for Waste Treatment
edited by Zhiyong Luo
submission deadline 31 Mar 2026 | 7 articles | Viewed by 8078 | Submission Open
Keywords: advanced oxidation processes (AOPs); oxidative degradation; water and wastewater treatment; ferrates (VI; V; and IV); photocatalysis; degradation pathway; reaction kinetics and mechanism
(This special issue belongs to the Section Chemical Processes and Systems)
Environmental Governance and Sustainable Development: Multipollutant Control and Resource-Energy Transition
edited by Xiao Zhu, , and Bin Xu
submission deadline 31 Mar 2026 | 5 articles | Viewed by 7420 | Submission Open
Keywords: air pollution control; carbon capture; utilization and storage; environmental catalysis; energy conversion; mineral processing reagents
(This special issue belongs to the Section Chemical Processes and Systems)
Experiments and Numerical Simulations for Heat Transfer and Flow of Supercritical Fluids
edited by Qian Li, Jue Wang and Wenke Zheng
submission deadline 31 Mar 2026 | 6 articles | Viewed by 7324 | Submission Open
Keywords: supercritical fluids; testing technology; numerical simulation method; flow and heat transfer; system; equipment; CO2 brayton cycle; natural gas liquefaction and gasification
(This special issue belongs to the Section Energy Systems)
Security Intelligent Monitoring and Big Data Utilization in Coal Mining Process, 2nd Edition
edited by Yuanyuan Pu, Sitao Zhu and
submission deadline 31 Mar 2026 | 6 articles | Viewed by 6754 | Submission Open
Keywords: intelligent monitoring; data processing and analysis; monitoring system optimization; microseismic monitoring; big data technology
(This special issue belongs to the Section Process Control and Monitoring)
Recent Advances in Environment and Energy Related Processes in Offshore Geotechnical Engineering
edited by , Lujun Wang, Yuze Wang and
submission deadline 31 Mar 2026 | 4 articles | Viewed by 6036 | Submission Open
Keywords: offshore geotechnical engineering; environmental geomechanics; energy geomechanics; wind turbine foundations; structure– environment interaction; ocean engineering; offshore energy engineering; offshore environmental engineering; offshore mining; island and reef engineering
(This special issue belongs to the Section Environmental and Green Processes)
Low/Zero Carbon Fuels Production, Transportation, Storage and Utilization
edited by , and Feixiang Chang
submission deadline 31 Mar 2026 | 3 articles | Viewed by 4629 | Submission Open
Keywords: low/zero-carbon fuel production; low/zero-carbon fuel transportation; low/zero-carbon fuel storage; low/zero-carbon fuel utilization; clean combustion; advanced spray and combustion strategy; internal combustion engine
(This special issue belongs to the Section Sustainable Processes)
Design and Performance Optimization of Heterogeneous Catalysts
edited by Dan Wu and Dandan Han
submission deadline 31 Mar 2026 | 3 articles | Viewed by 4353 | Submission Open
Keywords: heterogeneous catalysts; catalyst design; performance optimization; selectivity and stability; surface modification; reaction mechanisms; energy conversion; industrial catalysis; metal-oxide composites; computational modeling
(This special issue belongs to the Section Catalysis Enhanced Processes)
Numerical Simulation and Engineering Application of Rock Mechanics and Geotechnical Engineering (Second Edition)
edited by Chenxi Ding, , Chun Liu, Liyun Yang and
submission deadline 31 Mar 2026 | 8 articles | Viewed by 4195 | Submission Open
Keywords: rock mechanics; geotechnical engineering; complex reservoir; numerical simulation; soil– fluid interaction; construction techniques
(This special issue belongs to the Section Energy Systems)
Control and Optimization of Smart Grids, Microgrid Systems and Active Distribution Networks
edited by Haidong Tao, Xiaojuan Zhu and Yi Zhou
submission deadline 31 Mar 2026 | 2 articles | Viewed by 3828 | Submission Open
Keywords: modeling and simulation techniques for large-scale power electronic systems; damping analysis; control; and optimization techniques; power flow and power quality control and optimization techniques; impedance measurement and impedance matching techniques; broadband oscillation analysis and suppression techniques; grid-forming control and optimization techniques
(This special issue belongs to the Section Energy Systems)
Revolutionizing Smart Manufacturing: Cutting-Edge Technologies in the Industry's Future
edited by and
submission deadline 31 Mar 2026 | 3 articles | Viewed by 3522 | Submission Open
Keywords: advanced manufacturing; artificial intelligence; precision machining; intelligent assembly; knowledge engineering; digital twin; optimization design; advanced robot; intelligent equipment
(This special issue belongs to the Section Manufacturing Processes and Systems)
Innovations in Solar Cell Technology: Materials, Efficiency and Sustainability
edited by Mohammad Istiaque Hossain, and Amith MD. Abdullah Khandakar
submission deadline 31 Mar 2026 | 2 articles | Viewed by 3368 | Submission Open
Keywords: solar energy innovations; emerging photovoltaic materials; perovskite and tandem solar cells; organic photovoltaics; energy conversion efficiency; sustainable solar cell technologies; material lifecycle and recycling; industrial scalability; renewable energy technologies; advance characterization
(This special issue belongs to the Section Materials Processes)
Transport Processes in Single- and Multi-Phase Flow Systems
edited by and Nenad Crnomarković
submission deadline 31 Mar 2026 | 2 articles | Viewed by 3293 | Submission Open
Keywords: single- and multi-phase flow systems; transport processes; fluid mechanics; heat transfer; chemical reactions; experiments; modeling and simulation; artificial intelligence; process control
(This special issue belongs to the Section Chemical Processes and Systems)
Modeling, Simulation and Control in Energy Systems—2nd Edition
edited by and Andreas Yiotis
submission deadline 31 Mar 2026 | 5 articles | Viewed by 3249 | Submission Open
Keywords: zero carbon technologies; energy efficiency; hybrid and smart-grid systems; combined heat and power (CHP units); advanced process control; system design and optimization; energy economics; policy and planning; AI tools in energy
Numerical Simulation and Application of Flow in Porous Media
edited by Chengyong Li, and
submission deadline 31 Mar 2026 | 5 articles | Viewed by 3029 | Submission Open
Keywords: porous media flow; numerical simulation; computational modeling; multiphase flow; pore-scale modeling; multiscale simulation; applications in petroleum engineering
(This special issue belongs to the Section Energy Systems)
Advances in Heavy Metal Contaminated Soil and Water Remediation
edited by
submission deadline 31 Mar 2026 | 2 articles | Viewed by 2882 | Submission Open
Keywords: heavy metals; soil remediation; water pollution; phytoremediation; biochar; nanomaterials; contaminant immobilization; microbial remediation; risk assessment; environmental sustainability
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Methods of Metal Recycling
edited by Laurence Dyer
submission deadline 31 Mar 2026 | 3 articles | Viewed by 2528 | Submission Open
Keywords: metal recovery; secondary metal recovery; waste; sustainability; process development
(This special issue belongs to the Section Chemical Processes and Systems)
Women’s Special Issue Series: Processes submission deadline 31 Mar 2026 | 2 articles | Viewed by 2502 | Submission Open
Keywords: chemical processes and systems; environmental processes; process control; energy systems; biological processes and systems; materials processes; pharmaceutical processes; food processing
Synthesis, Applications, and Optimization of Composite Materials in Industry and the Environment
edited by , , Iga Jasińska and Michał Breszka
submission deadline 31 Mar 2026 | 2 articles | Viewed by 1720 | Submission Open
Keywords: composites; recycling; sustainable economy; industry; construction; aviation; electrical engineering; building materials; ecology.
(This special issue belongs to the Section Materials Processes)
Genetic Engineering: Processes, Methods, Challenges and Solutions
edited by Yuxiang Liu and Yangfan Wang
submission deadline 31 Mar 2026 | 1 articles | Viewed by 1470 | Submission Open
Keywords: genetic engineering; DNA modification; gene cloning; transformation techniques; biotechnology; genetic editing
(This special issue belongs to the Section Biological Processes and Systems)
Conversion and Valorization of Biomass
edited by David Ulises Santos Ballardo, Miguel Betancourt-Lozano and Raquel Barrena
submission deadline 31 Mar 2026 | 2 articles | Viewed by 1257 | Submission Open
Keywords: biomass; bioenergy; biofuels; bioproducts; biochemicals; biorefinery; conversion process; life cycle analysis; green chemistry; waste valorisation
(This special issue belongs to the Section Environmental and Green Processes)
Innovative Strategies for Integration of Renewable Energy Sources into Modern Grids
edited by Yun Ii Go and
submission deadline 31 Mar 2026 | 2 articles | Viewed by 1104 | Submission Open
Keywords: renewable energy sources (RESs); modern grids; smart grid technologies; energy storage solutions; grid management techniques; carbon footprint reduction; energy transition; resilient energy systems
(This special issue belongs to the Section Energy Systems)
Advanced Technologies for the Exploration of Conventional and Unconventional Oil and Gas
edited by , Hexin Huang, Kai Qi, and
submission deadline 31 Mar 2026 | 2 articles | Viewed by 1003 | Submission Open
Keywords: oil and gas exploration; conventional reservoirs; unconventional reservoirs (shale/coalbed methane/tight oil); reservoir formation; geophysical technologies; well logging; intelligent drilling; machine learning; artificial intelligence; oil and gas big data; digital twins; smart agents; pipeline transportation
(This special issue belongs to the Section Energy Systems)
Hydraulic Barriers in Environmental Containment Systems
edited by Yu Tan, and
submission deadline 31 Mar 2026 | 1 articles | Viewed by 885 | Submission Open
Keywords: hydraulic barrier; coupled processes; compatibility; emerging contaminant; fate and transport; extreme weather event; sustainability
(This special issue belongs to the Section Environmental and Green Processes)
Eco-Friendly Drilling Fluids: Biodegradable Formulations and Performance Evaluation submission deadline 31 Mar 2026 | 1 articles | Viewed by 868 | Submission Open
Keywords: eco-friendly drilling fluids; biodegradable drilling fluids; sustainable drilling technologies; green drilling additives; bio-based polymers; nanotechnology; drilling fluid performance evaluation; rheology of drilling fluids; filtration control; fracture mechanics
Supercritical Fluids Technologies: Applications in Energy, Chemistry, and Environment
edited by , Jie Zhang and Jianna Li
submission deadline 31 Mar 2026 | 1 articles | Viewed by 743 | Submission Open
Keywords: supercritical fluids; supercritical phase behavior; production of high-value fuels; chemistry and materials synthesis; green solvent replacement; harmless treatment of organic pollutants; solid waste resource utilization; power cycle
(This special issue belongs to the Section Chemical Processes and Systems)
Environmental Occurrence, Transformation Mechanisms and Health Effects of Emerging Contaminants
edited by , Yiling Li and Xuezhi Yang
submission deadline 31 Mar 2026 | 1 articles | Viewed by 657 | Submission Open
Keywords: emerging contaminants; environmental analysis; environmental occurrence; transformation mechanisms; health effects; molecular mechanism
(This special issue belongs to the Section Environmental and Green Processes)
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