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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Laser-Assisted Manufacturing and Materials Processing
edited by Linda Viviana García-Quiñonez and
submission deadline 25 Jun 2026 | 1 articles | Viewed by 1271 | 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 197 | 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)
Unconventional Energy, Clean Energy and Carbon Sequestration: Progress in Technology
edited by , Quangui Li, and Guanhua Ni
submission deadline 30 Jun 2026 | 12 articles | Viewed by 21034 | Submission Open
Keywords: unconventional energy resources; coalbed methane; shale gas; reservoir stimulation technology; geo-carbon sequestration; clean energy
(This special issue belongs to the Section Energy Systems)
Integrated Biorefineries for Sustainable Production of Biofuel and Bioproducts
edited by , Ankita Juneja, and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 13688 | Submission Open
Keywords: integrated biorefinery; fermentation; lignin conversion; high-value bioproducts; biofuel; techno-economic analysis; life cycle assessment
(This special issue belongs to the Section Environmental and Green Processes)
Advances in the Photocatalysis and Photodegradation of Various Contaminants Present in Water
edited by Manuel J. Chinchillas-Chinchillas, and Horacio Edgardo Garrafa-Gálvez
submission deadline 30 Jun 2026 | 4 articles | Viewed by 12619 | Submission Open
Keywords: photocatalysis; synthesis and characterization; photocatalysts; water pollutants; water treatment; environmental applications; sustainability
(This special issue belongs to the Section Chemical Processes and Systems)
Applications of Ultrasound and Other Technologies in Food Processing submission deadline 30 Jun 2026 | 4 articles | Viewed by 12496 | Submission Open
Keywords: food science and technology; physical chemistry of food; artificial intelligence; computer vision; machine learning; sensometrics and consumer studies; sustainability of food agroecosystems; competitiveness processes in food chains
(This special issue belongs to the Section Food Process Engineering)
Multiphase Flow Process and Separation Technology
edited by Zhiyi Xiong and Xinwei Wang
submission deadline 30 Jun 2026 | 8 articles | Viewed by 11865 | Submission Open
Keywords: multiphase flow process; separation equipment strengthening; new design; research method; gas– liquid– solid separation
(This special issue belongs to the Section Separation Processes)
Electrode Materials Design for High-Performance Energy Conversion and Storage Devices
edited by Shamim Ahmed Hira and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 10826 | Submission Open
Keywords: hydrogen production; oxygen evolution reaction; green energy
(This special issue belongs to the Section Energy Systems)
Bioenergy, Green Chemistry and Biorefinery: Challenges and Perspectives on Circular Economy and Sustainability
edited by and
submission deadline 30 Jun 2026 | 8 articles | Viewed by 10611 | Submission Open
Keywords: biomass; biofuels; and biomaterials; circular economy; biorefinery; and biowaste treatment technologies; thermal engineering and applied thermodynamics; environmental pollution and pollutant emissions; renewable technologies; numerical simulation; energy utilization; carbon capture; utilization; and storage; urban waste management
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Research on Marine and Deep Oil & Gas Development
edited by Jianbo Zhang, Xiaohui Sun and Wenqiang Lou
submission deadline 30 Jun 2026 | 11 articles | Viewed by 9724 | Submission Open
Keywords: oil and gas development; marine; deep strata; drilling; multiphase flow; flow assurance; pressure control; production increase; intelligence development; environmental safety
Analysis and Processes of Bioactive Components in Natural Products
edited by and Sanja Radman
submission deadline 30 Jun 2026 | 7 articles | Viewed by 7969 | Submission Open
Keywords: bioactive components; natural products; extraction; isolation; characterization methods; biological activity
(This special issue belongs to the Section Biological Processes and Systems)
Recent Advances in Coagulant Technologies and Applications for Wastewater Treatment submission deadline 30 Jun 2026 | 2 articles | Viewed by 5546 | Submission Open
Keywords: coagulation; wastewater treatment; coagulant technologies; novel materials; organic coagulants; inorganic coagulants; bio-based coagulants; industrial wastewater; environmental impact; Design of Experiments (DoE)  ; Machine Learning (ML) Applications
(This special issue belongs to the Section Environmental and Green Processes)
Modelling and Optimizing Process in Industry 4.0 submission deadline 30 Jun 2026 | 4 articles | Viewed by 5068 | Submission Open
Keywords: process study; process optimization; equipment study; advanced technologies; process automation;   process efficiency
(This special issue belongs to the Section Manufacturing Processes and Systems)
Enzymes, Biocatalysis and Metabolic Engineering for Enabling Sustainability
edited by Cintia Mariana Romero
submission deadline 30 Jun 2026 | 3 articles | Viewed by 4835 | Submission Open
Keywords: enzyme; biocatalysis; metabolic engineering; sustainability; environmental bioremediation; agro-industry; food production; catalysis; biosynthesis; microbial fermentation; genetically engineered microorganisms
(This special issue belongs to the Section Catalysis Enhanced Processes)
Novel Technologies for the Processing and Quality Assessment of Meat Production submission deadline 30 Jun 2026 | 5 articles | Viewed by 4744 | Submission Open
Keywords: novel intervention strategies for carcass decontamination; novel technologies for meat processing; quality assessment of raw and processed meat; microbiological and chemical safety of meat and meat products; preservation techniques; shelf-life extension; nutritional composition of meat and meat products; functional meat products; sensory quality and consumer perception of meat and meat products
(This special issue belongs to the Section Food Process Engineering)
Design, Fabrication, Modeling, and Control in Biomedical Systems
edited by , Thanyani Pandelani and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 4508 | Submission Open
Keywords: biomedical systems; medical device design; additive manufacturing in healthcare; computational modeling in biomedicine; control systems in biomedical applications; AI-driven biomedical engineering; finite-element analysis in healthcare; biocompatible materials; wearable and implantable devices; robotics in healthcare; digital twins in medicine; smart materials for medical applications; nanotechnology in biomedicine; cyber-physical systems in healthcare; internet of medical things (IoMT); human– machine interaction in medicine
(This special issue belongs to the Section Biological Processes and Systems)
Research Advances in Modeling, Optimization, and Control of Distributed Energy Systems
edited by Yskandar M. Hamam and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 4499 | Submission Open
Keywords: renewable energy; optimal planning; optimal operation and control; distributed energy management; mixed energy sources; energy storage management.
(This special issue belongs to the Section Energy Systems)
Modern Machine Learning Applications in Control and Optimization of Energy Power and Storage Systems
edited by and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 4201 | Submission Open
Keywords: machine learning models; energy power system; energy storage management system; grid management and control; renewable energy integration; energy consumption prediction; power system state estimation; cybersecurity in energy systems; sustainable energy solutions
(This special issue belongs to the Section Energy Systems)
Corrosion Processes of Metals: Mechanisms and Protection Methods submission deadline 30 Jun 2026 | 2 articles | Viewed by 4140 | Submission Open
Keywords: electrochemical corrosion; localized corrosion; crevice corrosion; galvanic corrosion; modeling and simulation; corrosion coatings; high-temperature corrosion; biomaterials corrosion; corrosion of light alloys; corrosion in concrete
(This special issue belongs to the Section Materials Processes)
Innovative Strategies and Emerging Technologies in Wastewater Treatment submission deadline 30 Jun 2026 | 2 articles | Viewed by 3801 | Submission Open
Keywords: wastewater treatment; advanced oxidation processes (AOPs); nanomaterials for water purification; membrane separation technologies; bioremediation and microbial treatment; electrochemical water treatment; photocatalysis for wastewater remediation; resource recovery and circular economy; process modeling and optimization; sustainable and decentralized treatment systems
(This special issue belongs to the Section Environmental and Green Processes)
Fiber-Reinforced Composites: Latest Advances and Interesting Research
edited by Changfang Zhao, Ming Li and Xuyao Zhang
submission deadline 30 Jun 2026 | 4 articles | Viewed by 3765 | Submission Open
Keywords: fiber composites; matrices; manufacturing processes; material responses; structural behavior; theoretical model; simulation; application; sustainability; recycle and reuse; green resources
(This special issue belongs to the Section Materials Processes)
Advanced Spectroscopic and Calorimetric Techniques for Pharmaceutical Analysis
edited by Agnieszka Szkudlarek
submission deadline 30 Jun 2026 | 2 articles | Viewed by 3011 | Submission Open
Keywords: pharmaceutical applications; ligand– protein interactions; transport proteins; protein modifications; spectroscopic and calorimetric techniques; protein structure and function; drug efficacy and stability; pharmaceutical compounds; exogenous and endogenous ligands; biomedical research
(This special issue belongs to the Section Pharmaceutical Processes)
New Technology of Unconventional Reservoir Stimulation and Protection
edited by and
submission deadline 30 Jun 2026 | 6 articles | Viewed by 2835 | Submission Open
Keywords: reservoir stimulation reservoir protection; refracturing; temporary plugging; CO2-based fracturing; artificial intelligence; multi-physical field coupling
(This special issue belongs to the Section Energy Systems)
Nanomaterials and Flexible Electronic Devices: Processing, Diagnostics and Applications
edited by Yongchao Yu, Ming Xiao and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2373 | Submission Open
Keywords: novel nanomaterials for flexible electronics; advanced manufacturing and processing techniques; diagnostics and performance optimization; emerging applications in flexible electronics
(This special issue belongs to the Section Materials Processes)
Sustainable Remediation of Complex Wastewater: Challenges and Technologies
edited by and Enric Brillas
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2313 | Submission Open
Keywords: advanced oxidation processes (AOPs); wastewater treatment; Fenton and photo-Fenton processes; electrochemical remediation and sustainable water management
(This special issue belongs to the Section Chemical Processes and Systems)
Processes in Sustainable Waste Management and Environmental Protection
edited by and Ivana Jelic
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2288 | Submission Open
Keywords: sustainable waste management; waste treatment processes; waste-to-energy; resource recovery; circular economy; waste valorization; pollution control; environmental protection; enzymatic waste processing; recycling technologies
(This special issue belongs to the Section Environmental and Green Processes)
Extraction, Analysis of Natural Products and Their Applications in Medicinal Chemistry
edited by , and Nada Kheira Sebbar
submission deadline 30 Jun 2026 | 2 articles | Viewed by 2230 | Submission Open
Keywords: bioactive compounds; natural products; green extraction; analytical characterization; drug discovery; pharmacological evaluation; target-based drug design; phytochemistry; computational screening
(This special issue belongs to the Section Chemical Processes and Systems)
Development and Application of Microalgae and Microalgae–Bacteria Biotechnologies
edited by , Francisco J. Choix and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 2145 | Submission Open
Keywords: microalga– bacteria; microalgae biotechnology; pollution remotion by microalgae; microalga biomass characterization; stress mitigation in microalga; microalga growth-promoting bacteria
(This special issue belongs to the Section Biological Processes and Systems)
Processing Foods: Process Optimization and Quality Assessment, 4th Edition submission deadline 30 Jun 2026 | 2 articles | Viewed by 2041 | Submission Open
Keywords: unit operations; processing technologies; optimization; food quality; nutrition; traceability; sustainability
(This special issue belongs to the Section Food Process Engineering)
Adaptive Control and Optimization in Power Grids submission deadline 30 Jun 2026 | 4 articles | Viewed by 1852 | 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)
Kinetic Modeling of Biomass Pyrolysis Processes (2nd Edition) submission deadline 30 Jun 2026 | 2 articles | Viewed by 1848 | Submission Open
Keywords: biomass; pyrolysis; devolatilization; cellulose; hemicellulose; lignin; reaction kinetics; thermogravimetry; modelling; parametric estimation
(This special issue belongs to the Section Environmental and Green Processes)
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 1655 | Submission Open
Keywords: advanced materials; process intensification; clean energy systems; simulation; experiment; design; battery; catalysis
(This special issue belongs to the Section Energy Systems)
Investigation of the Gas–Liquid Flow and Separation Behaviors in Pipelines
edited by Yingjie Chang, , and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 1538 | 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)
Synthesis, Processing, and Modeling of Advanced Polymer Composites submission deadline 30 Jun 2026 | Viewed by 1535 | Submission Open
Keywords: polymer composites; polymer synthesis; materials characterization; manufacturing; computational modeling; machine learning
(This special issue belongs to the Section Chemical Processes and Systems)
Natural Products Research: Isolation, Characterization and Bio-Functional Exploration submission deadline 30 Jun 2026 | 1 articles | Viewed by 1479 | Submission Open
Keywords: structural characterization; isolation; natural products; biological activity; computational; pharmacognosy; pharmacology
(This special issue belongs to the Section Pharmaceutical Processes)
Advances in Carbon-Energy Perception and Low-Carbon Optimal Energy System Operation
edited by Qian Li, and
submission deadline 30 Jun 2026 | 3 articles | Viewed by 1456 | 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)
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 | 3 articles | Viewed by 1429 | 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)
Sustainable Nanocellulose Processes Toward New Products and Markets
edited by and María Evangelina Vallejos
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1180 | Submission Open
Keywords: nanocellulose technology; sustainable nanomaterials; biorefinery processes; renewable nanomaterials; nanomaterial processes; bioeconomy; nanocellulose applications; nanocellulose industry; innovation in processes
(This special issue belongs to the Section Materials Processes)
New Trends in the Modeling and Design of Micro/Nano-Devices
edited by Yiming Li and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1166 | Submission Open
Keywords: computational design for all micro/nano-devices; multiphysics; modeling; simulation; and optimization; learning-based methodologies
(This special issue belongs to the Section Materials Processes)
Innovative Technologies and Processes in Geothermal Energy Systems
edited by and Long Gao
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1074 | 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)
(Chemo)biocatalytic Upgrading of Biobased Chemicals and Materials
edited by and Bo Fan
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1042 | 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)
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 813 | 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)
Analytical Methodologies and Stability Assessment of Bioactive Compounds in Complex Matrices
edited by
submission deadline 30 Jun 2026 | 1 articles | Viewed by 744 | 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)
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 706 | 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)
Advanced Functional Materials Design and Computation
edited by , and Yuxiang Cai
submission deadline 30 Jun 2026 | 1 articles | Viewed by 629 | 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)
Cutting-Edge Approaches for the Plastic Recycling
edited by , Zhaohan Yu and Shehla Mushtaq
submission deadline 30 Jun 2026 | Viewed by 540 | 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)
Chromatographic Techniques in Food Industry Processes
edited by and Jamal Brigui
submission deadline 30 Jun 2026 | Viewed by 485 | 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)
Design, Optimization and Evaluation of Solar Energy Systems
edited by and Azim Doğuş Tuncer
submission deadline 30 Jun 2026 | Viewed by 451 | 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)
Pharmaceutical Chemistry Processes: Current Status and Prospects
edited by
submission deadline 30 Jun 2026 | Viewed by 422 | 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 374 | 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)
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