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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Advanced Materials and Process Intensification for Clean Energy Systems
edited by Jingchun Yan, , and Rong Sun
submission deadline 30 Jun 2026 | 2 articles | Viewed by 803 | Submission Open
Keywords: advanced materials; process intensification; clean energy systems; simulation; experiment; design; battery; catalysis
(This special issue belongs to the Section Energy Systems)
(Chemo)biocatalytic Upgrading of Biobased Chemicals and Materials
edited by and Bo Fan
submission deadline 30 Jun 2026 | 1 articles | Viewed by 773 | Submission Open
Keywords: biocatalysis; chemobiological upgrading; biomass pretreatment; value-added chemicals; biofuels; biorefinery; process integration
(This special issue belongs to the Section Catalysis Enhanced Processes)
Natural Products Research: Isolation, Characterization and Bio-Functional Exploration submission deadline 30 Jun 2026 | 1 articles | Viewed by 767 | Submission Open
Keywords: structural characterization; isolation; natural products; biological activity; computational; pharmacognosy; pharmacology
(This special issue belongs to the Section Pharmaceutical Processes)
Adaptive Control and Optimization in Power Grids submission deadline 30 Jun 2026 | 2 articles | Viewed by 760 | Submission Open
Keywords: adaptive control; power system optimization; robust control; forecasting of load and renewable generation; renewable energy integration; grid resilience
(This special issue belongs to the Section Energy Systems)
Cutting-Edge Approaches for the Plastic Recycling
edited by , Zhaohan Yu and Shehla Mushtaq
submission deadline 30 Jun 2026 | Viewed by 482 | 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)
Process and Data-Driven Models of Pollutant Transport and Fate in Ecosystems
edited by and Gülsün Akdemir Evrendilek
submission deadline 30 Jun 2026 | 1 articles | Viewed by 468 | Submission Open
Keywords: pollutant transport; contaminant fate; process-based modeling; data-driven modeling; reactive transport; watershed modelling; sediment– water interactions; bioavailability; food web contamination; uncertainty quantification; model-data fusion; PFAS/emerging contaminants; biogeochemical cycling; upscaling; thermal treatment
(This special issue belongs to the Section Environmental and Green Processes)
Innovative Technologies and Processes in Geothermal Energy Systems
edited by and Long Gao
submission deadline 30 Jun 2026 | 1 articles | Viewed by 446 | Submission Open
Keywords: geothermal energy; enhanced geothermal systems (EGSs); drilling technology; process intensification; reservoir simulation; hybrid systems; techno-economic analysis; sustainable energy
(This special issue belongs to the Section Energy Systems)
Chromatographic Techniques in Food Industry Processes
edited by and Jamal Brigui
submission deadline 30 Jun 2026 | Viewed by 427 | Submission Open
Keywords: food chemistry; natural products  ; antioxidants  ; polyphenols  ; chromatography  ; spectroscopy  ; mass spectrometry  ; extraction  ; sample preparation
(This special issue belongs to the Section Food Process Engineering)
Investigation of the Gas–Liquid Flow and Separation Behaviors in Pipelines
edited by Yingjie Chang, , and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 415 | Submission Open
Keywords: gas-liquid flow; pipeline systems; flow dynamics; flow visualization; separator design; machine learning; deep learning; flow regime identification
(This special issue belongs to the Section Chemical Processes and Systems)
Analytical Methodologies and Stability Assessment of Bioactive Compounds in Complex Matrices
edited by
submission deadline 30 Jun 2026 | 1 articles | Viewed by 398 | Submission Open
Keywords: analytical techniques; chromatography; extraction; matrix effects; biological material; drugs; dietary supplements; compound stability; degradation; method validation
(This special issue belongs to the Section Separation Processes)
Advances in Carbon-Energy Perception and Low-Carbon Optimal Energy System Operation
edited by Qian Li, and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 397 | Submission Open
Keywords: carbon-energy perception; low-carbon operation; carbon emission modeling; lifecycle carbon assessment; energy– carbon coupling; smart low-carbon control
(This special issue belongs to the Section Sustainable Processes)
Design, Optimization and Evaluation of Solar Energy Systems
edited by and Azim Doğuş Tuncer
submission deadline 30 Jun 2026 | Viewed by 395 | Submission Open
Keywords: solar energy systems; system design; optimization techniques; energy efficiency; photovoltaic (PV) systems; solar thermal systems; renewable energy integration; energy storage solutions; techno-economic analysis; exergy evaluation
(This special issue belongs to the Section Energy Systems)
Active/Bioactive Ingredient-Based Nanomedicines: From Design to In Vitro Evaluation in Advanced 2D/3D Disease Models
edited by Leticia Herminia Higa and María José Morilla
submission deadline 30 Jun 2026 | 1 articles | Viewed by 389 | Submission Open
Keywords: nanomedicine; nanocarrier; active ingredient; bioactive ingredient; metallic nanoparticle; in vitro disease models; spheroids; organoids; microfluidic systems
(This special issue belongs to the Section Pharmaceutical Processes)
Pharmaceutical Chemistry Processes: Current Status and Prospects
edited by
submission deadline 30 Jun 2026 | Viewed by 335 | Submission Open
Keywords: pharmaceutical chemistry; synthetic methodologies; process optimization; biopharmaceuticals; cosmetic formulations; medicinal plants; sustainability
(This special issue belongs to the Section Pharmaceutical Processes)
Innovative Drying Technologies for Food Processing
edited by and
submission deadline 30 Jun 2026 | Viewed by 316 | Submission Open
Keywords: food processing; spray drying; microwave drying; electrohydrodynamic drying; intermittent drying; food quality; nutritional retention; intelligent drying systems; IoT in drying; mechanical dewatering of food products; sustainable drying techniques
(This special issue belongs to the Section Food Process Engineering)
Synthesis and Application of Photocatalysts
edited by and Mali Zhao
submission deadline 30 Jun 2026 | Viewed by 299 | Submission Open
Keywords: photocatalysis; synthesis methods; solar energy conversion; environmental remediation; water splitting; CO2 reduction; sustainable chemistry; nanomaterials; heterostructured catalysts; photocatalytic applications; green chemistry; energy harvesting; metal– organic frameworks (MOFs)
(This special issue belongs to the Section Catalysis Enhanced Processes)
Emerging Plasma-Based Technologies for Sustainable Processes and Resource Recovery
edited by , Pradeep Lamichhane and
submission deadline 30 Jun 2026 | Viewed by 279 | Submission Open
Keywords: plasma-based processes; sustainable technologies; environmental remediation; resource recovery; plasma catalysis; waste valorization; cleaner production; plasma-assisted treatment; circular economy; process optimization
(This special issue belongs to the Section Environmental and Green Processes)
Multiscale Numerical Simulation of Multiphase Flow and Heat and Mass Transfer
edited by and
submission deadline 30 Jun 2026 | Viewed by 213 | Submission Open
Keywords: multiphase flow; heat and mass transfer; multiscale modeling; numerical simulation; porous media; thermo– hydro– mechanical– chemical modeling; geological disposal; interface tracking methods; upscaling techniques; machine learning in computational mechanics
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Functional Materials Design and Computation
edited by , and Yuxiang Cai
submission deadline 30 Jun 2026 | Viewed by 196 | Submission Open
Keywords: density; functional theory (DFT); machine learning (ML); and machine-learned atomic potentials; green energyies
(This special issue belongs to the Section Materials Processes)
Advanced Photocatalytic and Electrochemical Processes for Water and Wastewater Treatment
edited by Martín Oscar Armando Pacheco-Álvarez, Juan Manuel Peralta-Hernández and
submission deadline 30 Jun 2026 | Viewed by 192 | Submission Open
Keywords: water treatment; wastewater treatment; emerging contaminants; photocatalysis; electrochemical oxidation; advanced oxidation processes; solar-driven processes; Fenton and photo-Fenton; hybrid oxidation systems; environmental remediation
(This special issue belongs to the Section Chemical Processes and Systems)
Deep Eutectic Liquids in Chemical Engineering Processes: Extraction, Catalysis, Energy, and More
edited by
submission deadline 30 Jun 2026 | Viewed by 178 | Submission Open
Keywords: deep eutectic liquids (DELs); sustainable alternative; extraction efficiency; catalytic systems; electrochemical processes; material engineering; energy storage; biomaterial synthesis; separation processes; chemical engineering applications
(This special issue belongs to the Section Chemical Processes and Systems)
Modeling, Simulation, and Optimization of Fluids, Materials, and Thermo-Mechanical Systems for Emerging Engineering Applications
edited by , and Juan Serrano-Arellano
submission deadline 30 Jun 2026 | Viewed by 176 | Submission Open
Keywords: advanced fluids and materials; process optimization; heat and mass transfer; computational modeling; dynamic systems; emerging engineering applications; renewable energy technologies; finite element analysis; additive manufacturing
(This special issue belongs to the Section Process Control and Monitoring)
Design, Optimization, and Application of Biochemical Reactors submission deadline 30 Jun 2026 | Viewed by 156 | Submission Open
Keywords: bioreactor; optimization; modeling; process control; scale-up; Computational Fluid Dynamics (CFD); bioprocessing; biotechnology applications
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in the Pyrolysis of Lignocellulosic Biomass submission deadline 30 Jun 2026 | Viewed by 153 | Submission Open
Keywords: biomass; pyrolysis; pretreatment; bioenergy; biofuel; bio-oils; waste to energy; waste; renewable; feedstock; cellulose; hemicellulose; lignin
(This special issue belongs to the Section Sustainable Processes)
Multiphase Flow–Material Interaction in Drilling Processes
edited by Jian Zhao and
submission deadline 30 Jun 2026 | Viewed by 152 | Submission Open
Keywords: multiphase flow; flow– material interaction; drilling; cuttings migration
(This special issue belongs to the Section Process Control and Monitoring)
Multi-Material 3D Printing for Advanced Manufacturing Processes submission deadline 30 Jun 2026 | Viewed by 130 | Submission Open
Keywords: intelligent manufacturing; multi-material additive manufacturing; generative design and topology optimization; AI-driven process modeling and control; hybrid manufacturing systems; nonplanar and adaptive slicing; lattice and gradient structures; microfluidic device fabrication; biomedical and functional devices; digital twin and process simulation
(This special issue belongs to the Section Manufacturing Processes and Systems)
Modeling, Optimization, and Control of Distributed Energy Systems, 2nd Edition
edited by Lei Sun, Xiaodong Yang and Yue Yang
submission deadline 30 Jun 2026 | Viewed by 127 | Submission Open
Keywords: distributed energy sources; modeling; optimization algorithms; control strategy; distributed energy systems; renewable energy
(This special issue belongs to the Section Energy Systems)
Process Control and Optimization in Magnetically Enhanced Electrochemical and Redox Systems
edited by Martín Oscar Armando Pacheco-Álvarez, and
submission deadline 30 Jun 2026 | Viewed by 116 | Submission Open
Keywords: magnetically enhanced electrochemical processes; magnetic field– assisted; electro-fenton; mlectrochemical process control; advanced oxidation processes; redox optimization; electrocatalytic materials; electrochemical reactor design; environmental electrochemistry
(This special issue belongs to the Section Chemical Processes and Systems)
Advances of Computational Heat and Mass Transfer in HVAC Systems
edited by , , Chao Qin and Hongyan Shi
submission deadline 30 Jun 2026 | Viewed by 114 | Submission Open
Keywords: heat and mass transfer; computational fluid dynamics; machine learning; HVAC systems; indoor environment quality; multiphase and phase-change phenomena
(This special issue belongs to the Section Energy Systems)
Innovative Approaches in Biomass Conversion: Advances in Pyrolysis and Catalytic Processes submission deadline 30 Jun 2026 | Viewed by 110 | Submission Open
Keywords: biomass conversion; pyrolysis; catalytic processes; biofuels; sustainable energy; renewable resources; reactor design; process optimization; catalysts; product characterization
(This special issue belongs to the Section Environmental and Green Processes)
Ionic Liquids and Porous Catalysts for Sustainable Energy and Chemical Processes
edited by Aline Scaramuzza Aquino
submission deadline 30 Jun 2026 | Viewed by 107 | Submission Open
Keywords: ionic liquids; porous materials; catalysis; green chemistry; renewable energy; chemical processes
(This special issue belongs to the Section Chemical Processes and Systems)
CFD Applications in Renewable Energy Systems (2nd Edition) submission deadline 30 Jun 2026 | Viewed by 105 | Submission Open
Keywords: renewable energy systems simulation and modeling; computational fluid dynamics; unsteady flows and systems simulation; solar radiation modeling; turbulence modeling; biomass combustion modeling; hydrogen combustion modeling; hydrogen production and use modeling
(This special issue belongs to the Section Energy Systems)
Sustainable Biomaterials and Green Technologies for Industrial Applications
edited by
submission deadline 30 Jun 2026 | Viewed by 102 | Submission Open
Keywords: biocatalyst; bioelectronics; biochar; bioenergy; biofuels; biomaterials; biopolymer; biorefinery; bioremediation; carbon capture; utilization; and storage (CCUS); waste management
(This special issue belongs to the Section Environmental and Green Processes)
Design and Control of Complex and Intelligent Systems, 2nd Edition
edited by
submission deadline 30 Jun 2026 | Viewed by 101 | Submission Open
Keywords: system design; nonlinear systems; robotics; modeling; parameter identification; kinematics; dynamics; simulation; control; optimization; automation
(This special issue belongs to the Section Automation Control Systems)
Process Analysis and Optimal Control of the Power Conversion Systems
edited by
submission deadline 30 Jun 2026 | Viewed by 101 | Submission Open
Keywords: power conversion systems; power electronics; dynamic modeling; efficiency optimization; model predictive control; nonlinear control; energy management; renewable energy integration; system stability
(This special issue belongs to the Section Energy Systems)
Advanced Control and Optimization of Electric Drive Systems
edited by Wentao Zhang, and
submission deadline 30 Jun 2026 | Viewed by 99 | Submission Open
Keywords: sensorless control of induction motors; advanced control of open-winding motor drives; model predictive control of permanent magnet synchronous motors; vibration and noise suppression in electric machines; flux-weakening control for extended speed operation; multi-phase motor control and modulation strategies; advanced modulation and control for multi-level converters; high-fidelity modeling and parameter identification for control; AI-enhanced and data-driven control techniques for electric drives; thermal management and loss optimization through control; fault-tolerant control strategies for improved system reliability
(This special issue belongs to the Section Energy Systems)
Advanced Technologies Used for Water Remediation
edited by Gamze Varank, and
submission deadline 30 Jun 2026 | Viewed by 96 | Submission Open
Keywords: water remediation; advanced technologies; advanced oxidation processes; membrane filtration; electrochemical treatment; water reuse; wastewater management; sustainable remediation
(This special issue belongs to the Section Environmental and Green Processes)
Circular Economy Approaches of Wastewater Cleaning and Recycling
edited by , and Gamze Varank
submission deadline 30 Jun 2026 | Viewed by 89 | Submission Open
Keywords: resource recovery; nutrient recovery; energy harvesting; life cycle assessment; sustainable wastewater management; water reuse
(This special issue belongs to the Section Environmental and Green Processes)
Computational Studies on Molecular Mechanics of Enzymatic Reactions
edited by and Weizhe Ng
submission deadline 30 Jun 2026 | Viewed by 80 | Submission Open
Keywords: enzymology; catalysis; biocatalysis; mechanisms; simulations; dynamics; QM/MM; modelling
(This special issue belongs to the Section Biological Processes and Systems)
Hydrocarbon Occurrence and Flow Mechanisms in Shale and Unconventional Reservoirs
edited by Kai Zhang and
submission deadline 30 Jun 2026 | Viewed by 75 | Submission Open
Keywords: hydrocarbon occurrence; flow mechanisms; unconventional reservoirs; shale; nanopore
(This special issue belongs to the Section Energy Systems)
Enhanced Research on CO2 Capture–Transport–Sequestration Technology Based on Hydrate Technology
edited by Jiaqi Wang, Kun Ge and Zhen Long
submission deadline 30 Jun 2026 | Viewed by 73 | Submission Open
Keywords: CO2 hydrate; thermodynamic promoter; kinetic promoter; carbon capture; carbon transport; carbon sequestration
(This special issue belongs to the Section Energy Systems)
Innovative Bioreactor Design and Advanced Optimization Strategies for Biorefineries and Bioprocessing
edited by and Alexandros Pavlou
submission deadline 5 Jul 2026 | 8 articles | Viewed by 45534 | Submission Open
Keywords: bioreactor; photobioreactor; fermentation; biorefinery; bioprocessing; microbial production; monitoring and control; mathematical modeling and simulation; techno-economic assessment; life cycle analysis
(This special issue belongs to the Section Biological Processes and Systems)
Absorption Heat Pumps for Heating and Cooling: Modeling, Simulation, Design, Optimization, and Experiments
edited by and José Alfredo Hernández Pérez
submission deadline 5 Jul 2026 | 3 articles | Viewed by 5576 | Submission Open
Keywords: absorption; single and advanced cycles; absorption heat pumps; heat exchangers; mass and heat transfer coefficients; thermal systems; optimization and artificial intelligence
(This special issue belongs to the Section Energy Systems)
Green Manufacturing and Low-Carbon Application of the Power Batteries
edited by and
submission deadline 10 Jul 2026 | 5 articles | Viewed by 14505 | Submission Open
Keywords: green manufacturing; low-carbon technology; power battery; carbon footprint; life-cycle theory
(This special issue belongs to the Section Energy Systems)
Industrial IoT-Enabled Modeling and Optimization for the Process Industry—2nd Edition
edited by Gongzhuang Peng and
submission deadline 10 Jul 2026 | 7 articles | Viewed by 14099 | Submission Open
Keywords: process modeling; production planning and scheduling; process optimization; artificial intelligence
(This special issue belongs to the Section Process Control and Monitoring)
Recent Trends in Advanced Manufacturing Technologies for Materials Processing and Production submission deadline 10 Jul 2026 | 8 articles | Viewed by 12115 | Submission Open
Keywords: green processing and synthesis; sustainable manufacturing; hybrid manufacturing processes; non-conventional machining methods; automatic assembly; ultra-high-precision manufacturing; optics; 3D printing technologies; biocompatible materials; micro- and nano-manufacturing; robotics and mechatronic systems; applied mechanical systems; advanced control systems; artificial intelligence in manufacturing processes; smart agricultural processes (smart production); metrology systems
(This special issue belongs to the Section Manufacturing Processes and Systems)
Advances in Electrocatalysts for the OER, HER and Biomass Conversion
edited by Mingpeng Chen, Huachuan Sun and Yuxiao Zhang
submission deadline 10 Jul 2026 | 4 articles | Viewed by 7795 | Submission Open
Keywords: hydrogen evolution reaction; oxygen evolution reaction; biomass conversion; selective electrooxidation; electrocatalyst design
(This special issue belongs to the Section Materials Processes)
Pharmaceutical Potential and Application Research of Natural Products submission deadline 10 Jul 2026 | 3 articles | Viewed by 3594 | Submission Open
Keywords: natural products; green chemistry; nanotechnology; natural and herbal remedies processing; purification; extract; pharmacognosy; Box– Behnken design; response surface methodology
(This special issue belongs to the Section Pharmaceutical Processes)
Fault Diagnosis and Condition Monitoring of Electrical Machines and Drives
edited by Chenghao Sun, and
submission deadline 10 Jul 2026 | 3 articles | Viewed by 1741 | Submission Open
Keywords: electrical machines; fault diagnosis; condition monitoring; feature extraction; innovative sensors; interturn short circuit; faults of power devices; demagnetization; faults of bearings
(This special issue belongs to the Section Automation Control Systems)
Study on Biomass Conversion and Biorefinery
edited by Yushuai Sang and Hanzhang Gong
submission deadline 10 Jul 2026 | 1 articles | Viewed by 1527 | Submission Open
Keywords: biomass conversion; biomass derivatives; biorefinery; gasification; pyrolysis; hydrothermal liquefaction; catalytic conversion; biomass fermentation
(This special issue belongs to the Section Biological Processes and Systems)
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