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-Activated Sludge Treatment
edited by Yanlin Wang
submission deadline 31 Dec 2025 | 1 articles | Viewed by 2992 | Submission Open
Keywords: activated sludge; biotransformation; thermochemical transformation; resource utilization; pollutant reduction; system optimization; life cycle assessment
(This special issue belongs to the Section Environmental and Green Processes)
Advances in Remediation of Contaminated Sites: 3rd Edition submission deadline 31 Dec 2025 | 5 articles | Viewed by 2664 | Submission Open
Keywords: site contamination; survey and assessment; remediation technology; remediation strategy; site management; heavy metals; organic pollutants; emerging contaminants; soils and groundwater; water and sediments; environmental processes; environmental behaviors; environmental effects; environmental engineering
(This special issue belongs to the Section Environmental and Green Processes)
Antimicrobial Food Packaging: Materials and Technologies
edited by and Aleksandra Bužarovska
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2572 | Submission Open
Keywords: antimicrobial agents; antimicrobial polymers/antimicrobial bio-based polymers; broad-spectrum antimicrobial strategy; natural extracts in food packaging and preservation; food packaging: active and smart packaging and novel technologies; edible films and coatings; polymer nanocomposites with antimicrobial properties; consumer awareness/acceptance for antimicrobial platforms; applications of antimicrobial packaging
(This special issue belongs to the Section Food Process Engineering)
Studies of the Dosage Form and Stability of the Drug by Various Techniques, 2nd Edition
edited by
submission deadline 31 Dec 2025 | 3 articles | Viewed by 1927 | Submission Open
Keywords: drug analysis; drug stability; dosage form; analytical methods
(This special issue belongs to the Section Pharmaceutical Processes)
Simulation, Modeling, and Decision-Making Processes in Manufacturing Systems and Industrial Engineering, 2nd Edition
edited by , Phan Van-Thanh, and
submission deadline 31 Dec 2025 | 2 articles | Viewed by 1700 | Submission Open
Keywords: Industry 4.0; modeling; innovation in decision-making; machine learning; artificial intelligence; multi-objective optimization; simulation; data-driven decision insights; industrial engineering; soft computing; adaptive decision support; manufacturing systems; sustainability; cybersecurity; process optimization; smart factories; industrial automation; production planning; operations research; other processes
(This special issue belongs to the Section Manufacturing Processes and Systems)
Biological Methods of Diagnosis in the Microbiology submission deadline 31 Dec 2025 | 1 articles | Viewed by 1659 | Submission Open
Keywords: biological techniques; microbial culture; microscopy; biochemical tests; molecular diagnostics; hybridization techniques
(This special issue belongs to the Section Biological Processes and Systems)
Exploring the Antibacterial, Anti-Inflammatory and Antioxidant Properties of Natural Products in Drug Discovery and Development
edited by and Mohammad Fahim Kadir
submission deadline 31 Dec 2025 | 2 articles | Viewed by 1488 | Submission Open
Keywords: natural products; herbal medicines; phytochemicals; small molecule drugs; antioxidants; drug discovery
(This special issue belongs to the Section Pharmaceutical Processes)
Resource Utilization of Food Industry Byproducts
edited by , Manuel Salgado Ramos and
submission deadline 31 Dec 2025 | 2 articles | Viewed by 1332 | Submission Open
Keywords: food industry byproducts; process optimization; novel valorisation strategies; green technologies; biorefinery; bioactive compounds; functional ingredients; sustainable processing
(This special issue belongs to the Section Food Process Engineering)
Advanced Water Monitoring and Treatment Technologies
edited by Jie Gao and Zhuofan Gao
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1302 | Submission Open
Keywords: water environmental monitoring; water purification technologies; heavy metal and emerging pollutant removal; adsorption; separation processes; sediment and contaminated water treatment
(This special issue belongs to the Section Environmental and Green Processes)
Experiments and Diagnostics in Reacting Flows
edited by Tao Li
submission deadline 31 Dec 2025 | 1 articles | Viewed by 960 | Submission Open
Keywords: laser diagnostics; thermo-chemcial process; combustion; flame
(This special issue belongs to the Section Energy Systems)
Recent Advances in Conductor Materials for Energy Storage and Electrocaloric Applications
edited by Marisa A. Frechero
submission deadline 31 Dec 2025 | 1 articles | Viewed by 944 | Submission Open
Keywords: green energy storage; ceramic and glassy ionic conductors; impedance/dielectric spectroscopy; ceramic and glassy structural characterization; electrode/electrolyte interfaces; grain boundary; solid state bateries; supercapacitors; traditional and cold sintering
(This special issue belongs to the Section Materials Processes)
Extraction Processes, Modeling, and Optimization of Oils
edited by María Belén Fernández
submission deadline 31 Dec 2025 | 1 articles | Viewed by 941 | Submission Open
Keywords: oil extraction technologies; green extraction processes; process modeling and optimization; emerging technologies in oil processing; oil quality and stability; valorization of by-products; sustainable processing; multifunctional oils; scale-up in oil extraction
(This special issue belongs to the Section Food Process Engineering)
Advanced Biobased Polymers: From Composites Production to Drug Delivery and Oil Industry Applications
edited by María Eugenia Taverna, Yurany Andrea Villada and Carlos Alberto Busatto
submission deadline 31 Dec 2025 | Viewed by 792 | Submission Open
Keywords: biobased polymers; sustainable materials; composites production; natural fibers; drug delivery systems; biodegradability; controlled release; oil industry applications; renewable resources
(This special issue belongs to the Section Materials Processes)
AC and DC Power Grids System Technologies: Analysis, Control and Practical Applications, 2nd Edition submission deadline 31 Dec 2025 | 1 articles | Viewed by 746 | Submission Open
Keywords: AC and DC power grids; power converter; HVDC; energy management systems; energy storage technologies; smart grid and microgrid; machine learning; sustainable electrical energy systems; renewable energy technologies; energy storage system; vehicle-to-grid; grid-to-vehicle; energy saving
(This special issue belongs to the Section Sustainable Processes)
Numerical Modeling and Simulation of Multiphase Flows in Industrial and Environmental Applications submission deadline 31 Dec 2025 | 1 articles | Viewed by 733 | Submission Open
Keywords: computational fluid dynamics; machine learning; particles; bubbles; and droplets; multiscale modeling; heat and mass transfer; reactive and non-reactive multiphase flows; turbulence
(This special issue belongs to the Section Chemical Processes and Systems)
Extraction, Analysis of Natural Products and Their Applications in Medicinal Chemistry
edited by , and Nada Kheira Sebbar
submission deadline 31 Dec 2025 | Viewed by 589 | 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)
Applications of Supramolecular Chemistry in Polymer Synthesis and Characterization
edited by Yassine Beldjoudi
submission deadline 31 Dec 2025 | Viewed by 565 | Submission Open
Keywords: biopolymers; composites; hydrogels; nanofibers; polymers; self-assembly
(This special issue belongs to the Section Materials Processes)
Oil and Gas Drilling Processes: Control and Optimization, 2nd Edition
edited by , and Meng Chen
submission deadline 31 Dec 2025 | 2 articles | Viewed by 536 | Submission Open
Keywords: drilling; completion; rock mechanics; multiphase flow; well log; formation evaluation; MWD and LWD; experimental study; numerical study
(This special issue belongs to the Section Energy Systems)
Recent Advances in Coagulant Technologies and Applications for Wastewater Treatment submission deadline 31 Dec 2025 | Viewed by 435 | 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)
Preparation of Semiconductor Materials and Their Application in Photoelectronic Devices
edited by Weixin Ouyang
submission deadline 31 Dec 2025 | Viewed by 337 | Submission Open
Keywords: semiconductor materials; photoelectronic devices; charge carriers; material preparation; device assembly; solar cells; photodetectors; LEDs; lasers
(This special issue belongs to the Section Materials Processes)
Cutting‐Edge Strategies in Zeolite Synthesis, CO2 Utilization and Machine Learning-Driven Catalysis
edited by and Juan J. Villora-Picó
submission deadline 31 Dec 2025 | Viewed by 305 | Submission Open
Keywords: zeolite synthesis; CO2 utilization; machine learning; catalysis; catalyst design; high-throughput screening; carbon capture conversion; process intensification; hierarchical zeolites
(This special issue belongs to the Section Catalysis Enhanced Processes)
Advances in Multifunctional Natural and Synthetic Biomaterials
edited by and Hermine-Maria Stroescu
submission deadline 31 Dec 2025 | Viewed by 276 | Submission Open
Keywords: biomaterials; natural and synthetic polymers; bioactive ceramics and glasses; active metals and their alloys; bone cements; biomedical applications; tissue engineering; 3D printing; regenerative medicine and plastic surgery; biosensors; hydrogels; membranes; thin films; sustainable materials
(This special issue belongs to the Section Materials Processes)
Microencapsulation of Food Antioxidants submission deadline 31 Dec 2025 | Viewed by 220 | Submission Open
Keywords: food antioxidants; nanoencapsulation; microencapsulation techniques; bioactive compound stability; biopolymers; shelf-life; functional foods; nutraceuticals; food fortification; food preservation; micro- or nanocapsule characterization; controlled release; release kinetics; bioaccessibility
(This special issue belongs to the Section Food Process Engineering)
Processes in Sustainable Waste Management and Environmental Protection
edited by and Ivana Jelic
submission deadline 31 Dec 2025 | Viewed by 186 | 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)
Innovative Drying Technologies for Food Processing
edited by and
submission deadline 31 Dec 2025 | Viewed by 135 | 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)
Innovative Drilling and Extraction Techniques for the Future of Oil and Gas
edited by
submission deadline 31 Dec 2025 | Viewed by 129 | Submission Open
Keywords: drilling; extraction; optimization; energy; process systems engineering
(This special issue belongs to the Section Energy Systems)
Novel Biosynthesis of Natural Products and Their Biotechnological Applications submission deadline 31 Dec 2025 | Viewed by 126 | Submission Open
Keywords: natural products; chemistry and isolation of bioactive compounds from natural products; extremophile biotechnology; plant biotechnology; innovative bioactive formulations; biotechnological applications; biomaterials; natural and synthetic biopolymers
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Computational Chemistry for the Molecule/Material Design and Chemical Process Applications
edited by and Federico Palazzetti
submission deadline 31 Dec 2025 | Viewed by 111 | Submission Open
Keywords: theoretical methods for computational chemistry; computational chemistry and drug design; computational chemistry and the design of new materials; computational chemistry and green chemistry; computational study of chemical reactions; computational chemistry and machine learning
(This special issue belongs to the Section Chemical Processes and Systems)
Multi Dimensional Value Driven Sustainable Manufacturing Processes and Innovation
edited by , Xiaoqiao Wang and
submission deadline 31 Dec 2025 | Viewed by 111 | Submission Open
Keywords: multidimensional value driven innovation; sustainable manufacturing; intelligent manufacturing; technical innovation; value creation; management innovation; green supply chain management; process optimization; multiobjective optimization; circular economy
(This special issue belongs to the Section Manufacturing Processes and Systems)
Pharmaceutical Chemistry Processes: Current Status and Prospects
edited by
submission deadline 31 Dec 2025 | Viewed by 110 | Submission Open
Keywords: pharmaceutical chemistry; synthetic methodologies; process optimization; biopharmaceuticals; cosmetic formulations; medicinal plants; sustainability
(This special issue belongs to the Section Pharmaceutical Processes)
Extraction and Application Process of Bioactive Substances
edited by , Jesús Alejandro Claudio-Rizo and
submission deadline 31 Dec 2025 | Viewed by 107 | Submission Open
Keywords: biomolecules; bioprocessing; green processes; bioactivities; extraction strategies; biorefinery; hydrogel encapsulation; microencapsulation; nanoencapsulation; biological efficacy
(This special issue belongs to the Section Pharmaceutical Processes)
Multiscale Numerical Simulation of Multiphase Flow and Heat and Mass Transfer
edited by and
submission deadline 31 Dec 2025 | Viewed by 78 | 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)
Innovations in Solid Waste Treatment and Resource Utilization
edited by Min Ye and
submission deadline 31 Dec 2025 | Viewed by 58 | Submission Open
Keywords: waste treatment; anaerobic digestion; bioenergy recovery; resource recycling
(This special issue belongs to the Section Environmental and Green Processes)
Lactic Acid Bacteria: Screening, Isolation, Evaluation and Applications submission deadline 1 Jan 2026 | 2 articles | Viewed by 3647 | Submission Open
Keywords: lactic acid bacteria; lactococcus; lactobacillus; fermentation; antifungal; antibacterial; probiotics
(This special issue belongs to the Section Biological Processes and Systems)
Assessment and Utilization of Bioenergy and Biomaterials Processes submission deadline 1 Jan 2026 | Viewed by 172 | Submission Open
Keywords: bioenergy; biomaterials; biomass; biowaste; alternative fuels
(This special issue belongs to the Section Biological Processes and Systems)
Advances in the Control of Complex Dynamic Systems
edited by
submission deadline 10 Jan 2026 | 12 articles | Viewed by 23698 | Submission Open
Keywords: complex process modeling; identification; fuzzy systems; hybrid systems; evolving systems; interval systems; model predictive control; robust control; optimization algorithms; intelligent methods
(This special issue belongs to the Section Automation Control Systems)
Enzymes and Microorganisms in Food Bioprocessing—Waste Recovery, Applications and Advances
edited by Tiago L. Albuquerque
submission deadline 10 Jan 2026 | 6 articles | Viewed by 11470 | Submission Open
Keywords: biocatalyst; industrial microorganisms; food bioprocessing; waste recovery; sustainable processes; biotechnological tools; sensorial properties; environmental impact; market demands
(This special issue belongs to the Section Food Process Engineering)
Machine Learning Optimization of Chemical Processes
edited by
submission deadline 10 Jan 2026 | 8 articles | Viewed by 9857 | Submission Open
Keywords: process optimization; process control; machine learning; models; fault detection
(This special issue belongs to the Section Chemical Processes and Systems)
Green Manufacturing Processes: Data Modelling and Fusion-Driven Optimization Control
edited by Li Li, and Lingling Li
submission deadline 10 Jan 2026 | 6 articles | Viewed by 8489 | Submission Open
Keywords: intelligent manufacturing; machine learning; deep learning; data-driven modeling; sustainable machining
(This special issue belongs to the Section Process Control and Monitoring)
Applications of Nanofluids and Nano-PCMs in Heat Transfer submission deadline 10 Jan 2026 | 4 articles | Viewed by 7190 | Submission Open
Keywords: heat transfer; thermal management; thermoelectrics; nano-pCms; nanofluids; energy conversion  
(This special issue belongs to the Section Chemical Processes and Systems)
Plasma Science and Plasma-Assisted Applications
edited by Ying-Hao Liao, Kun-Mo Lin, and Katsuyuki Takahashi
submission deadline 10 Jan 2026 | 3 articles | Viewed by 4731 | Submission Open
Keywords:   plasma technology;   plasma physics;   plasma chemistry;   plasma applications;   plasma-assisted combustion;   plasma-treated water;   plasma coating;   plasma medicine;   plasma processing;   plasma diagnostics
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Green Analytical Chemistry for Environmental Pollutants Detection
edited by Mariela Pistón and
submission deadline 10 Jan 2026 | 5 articles | Viewed by 4488 | Submission Open
Keywords: environmental pollutant analysis; green analytical methods; food safety
(This special issue belongs to the Section Chemical Processes and Systems)
Advances in Oil and Gas Reservoir Modeling and Simulation
edited by Fathi Boukadi, Talal Gamadi and
submission deadline 10 Jan 2026 | 3 articles | Viewed by 3580 | Submission Open
Keywords: CO2 sequestration; plume propagation; CO2 EOR; integration challenges; environmental impact
(This special issue belongs to the Section Energy Systems)
Green Processes Based on Ionic Liquids for Advanced Chemical Technologies submission deadline 10 Jan 2026 | 1 articles | Viewed by 1517 | Submission Open
Keywords: ionic liquids; extraction processes; separation science; waste valorization; environmental remediation; biomolecule purification; process optimization; sustainable solvents; green chemistry; alternative solvents
(This special issue belongs to the Section Environmental and Green Processes)
Recent Advances in Bioprocess Engineering and Fermentation Technology submission deadline 10 Jan 2026 | 1 articles | Viewed by 616 | Submission Open
Keywords: bioprocess engineering; fermentation technology; machine learning; genetic algorithms; metabolic flux analysis; anaerobic digestion; biohydrogen; biomethane; circular economy; agro-industrial waste
(This special issue belongs to the Section Biological Processes and Systems)
Multiphase Flow and Heat and Mass Transfer in Industrial Complex Processes and Reactors
edited by Gopal Krishan, Nay Lin Oo, Anarghya Ananda Murthy and Ralph Kristoffer B. Gallegos
submission deadline 10 Jan 2026 | Viewed by 390 | Submission Open
Keywords: multiphase flow; heat transfer; mass transfer; slurry flow; chemical reactors; energy systems; pharmaceutical processes; food engineering; environmental applications; mechanical aspects; computational fluid dynamics (CFD); discrete element method (DEM); modeling and simulation; experimental techniques; process optimization
(This special issue belongs to the Section Chemical Processes and Systems)
Exploitation Technology and Production Control of Natural Gas Hydrate
edited by Shihui Ma
submission deadline 10 Jan 2026 | Viewed by 69 | Submission Open
Keywords: methane hydrate; natural gas hydrate; exploitation; decomposition; phase equilibrium; thermodynamics
(This special issue belongs to the Section Chemical Processes and Systems)
The Synthesis and Applications of Novel Porous Adsorbents: Metal-Organic Frameworks submission deadline 10 Jan 2026 | Viewed by 65 | Submission Open
Keywords: metal– organic frameworks (MOFs); porous materials; green synthesis; adsorption; environmental remediation; wastewater treatment; hybrid materials; sustainable materials; waste valorization; eco-friendly adsorbents
Applications of Chromatographic Separation Techniques in Food and Chemistry—Second Edition
edited by
submission deadline 15 Jan 2026 | 10 articles | Viewed by 17270 | Submission Open
Keywords: chromatographic techniques (GC; HPLC; TLC; TLC-densitometry); food components; food quality; chemical analysis; analysis of bioactive compounds; pharmaceutical analysis; separation techniques
(This special issue belongs to the Section Separation Processes)
Feature Review Papers in Section “Pharmaceutical Processes”
edited by
submission deadline 15 Jan 2026 | 7 articles | Viewed by 13720 | Submission Open
Keywords: drug delivery systems; plants for drug delivery; materials for drug delivery; liposomes; niosomes; biocompatible polymers
(This special issue belongs to the Section Pharmaceutical Processes)
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