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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Energy Conversion Processes with Hydrogen and Alternative Fuels in Internal Combustion Engines submission deadline 31 May 2026 | Viewed by 87 | Submission Open
Keywords: hydrogen engine; alternative ICE fuels; environmental issues of ICEs; alternative combustion strategies in ICEs; dual fuel combustion; combustion control in ICEs; hydrogen-assisted jet ignition; energy and exergy analysis in ICEs; CFD simulation in ICEs
(This special issue belongs to the Section Energy Systems)
Process Engineering and Theoretical Advances in Emission Reduction and Carbon Storage in Coal Mining
edited by Zhongbei Li, Xianfeng Liu and
submission deadline 31 May 2026 | Viewed by 67 | Submission Open
Keywords: emission mitigation; carbon storage; coal mining; CO2 mineralization; coal-gas interactions; process engineering optimization; life-cycle assessment
(This special issue belongs to the Section Energy Systems)
Design, Inspection and Repair of Oil and Gas Pipeline
edited by Hong Zhang, Dong Zhang and
submission deadline 31 May 2026 | Viewed by 62 | Submission Open
Keywords: oil and gas pipeline; design; inspection; repair; safety evaluation; NDT; integrity management
(This special issue belongs to the Section Energy Systems)
Advances and Applications of Fluidized Bed Technology
edited by
submission deadline 31 May 2026 | Viewed by 60 | Submission Open
Keywords: fluidized beds; multiphase flow; process intensification; reactor engineering; scale-up; biomass conversion
(This special issue belongs to the Section Energy Systems)
Sustainable Waste Valorization and Green Materials: Innovations in Water Treatment and Environmental Remediation Nexus
edited by Qunshan Wei and Charles Nzila
submission deadline 31 May 2026 | Viewed by 58 | Submission Open
Keywords: adsorbents; biobased materials; bioenergy; circular economy; environmental remediation; green materials and water treatment innovations; integrated low-cost water purification; resource recovery; sustainable waste valorization; waste– water nexus
(This special issue belongs to the Section Environmental and Green Processes)
Intelligent Operation, Maintenance, and Scheduling of Industrial Manufacturing Processes
edited by , and Xiwang Guo
submission deadline 31 May 2026 | Viewed by 56 | Submission Open
Keywords: intelligent manufacturing; human– robot collaboration; disassembly line optimization; artificial intelligence and machine learning; smart sensing and control; real-time scheduling and operation; sustainable manufacturing; digital twin and system simulation; energy-efficient production; heuristic and evolutionary optimization
(This special issue belongs to the Section Manufacturing Processes and Systems)
Development of Microwave Food Processing Technology
edited by
submission deadline 31 May 2026 | Viewed by 48 | Submission Open
Keywords: microwave processing; microwave-assisted drying; microwave-assisted baking; microwave-assisted extraction; microwave-assisted pasteurization; microwave-assisted sterilization; microwave-assisted thawing; novel processing technology; process development; process efficiency
(This special issue belongs to the Section Food Process Engineering)
Advanced Hydrogen Energy Systems and Hybrid Energy Storage submission deadline 31 May 2026 | Viewed by 47 | Submission Open
Keywords: sustainable hydrogen; hydrogen production; application and strategy; storage; infrastructure; distribution; hybrid systems; environmental impact; drop-in fuel
(This special issue belongs to the Section Energy Systems)
Conversion of Solid Waste into Green Materials: Innovations in Synthesis Processes and Valorization Options submission deadline 31 May 2026 | Viewed by 42 | Submission Open
Keywords: synthesis processes; biochar; hydrochar; ash; detailed characterization; pollutant adsorption and oxidation; nutrient recovery; bioremediation; reuse in agriculture; reuse for energy recovery
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Bioprocesses for the Valorization of Agroindustrial Waste into Probiotic Foods and Bioactive Compounds
edited by , Maressa Caldeira Morzelle and Tatianne Ferreira de Oliveira
submission deadline 31 May 2026 | Viewed by 39 | Submission Open
Keywords: agroindustrial waste; valorization; fermentation; probiotics; prebiotics; bioactive compounds; bioprocesses; process optimization; functional foods
(This special issue belongs to the Section Food Process Engineering)
Biomass Gasification: Thermal Behaviour and Kinetic Modelling
edited by and
submission deadline 31 May 2026 | Viewed by 35 | Submission Open
Keywords: gasification; biomass; kinetics; modeling; thermal behavior; syngas; simulation
(This special issue belongs to the Section Chemical Processes and Systems)
Phenolic Compounds in Food Science, Technology, and Circular Bioeconomy
edited by Ignacio Cabezudo and Ana Elizabeth Cavalcante Fai
submission deadline 31 May 2026 | Viewed by 27 | Submission Open
Keywords: phenolic compounds; bioactivity; sustainability; green extraction; food application; active packaging; food chemometrics
(This special issue belongs to the Section Biological Processes and Systems)
Advanced Technologies for Bioenergy Recovery from Organic Waste and Wastewater
edited by
submission deadline 31 May 2026 | Viewed by 27 | Submission Open
Keywords: bioenergy recovery; organic waste valorization; wastewater treatment; anaerobic digestion; photocatalysis; renewable energy; process optimization
(This special issue belongs to the Section Sustainable Processes)
Progress in Biosorption, Membrane Separation, and Advanced Oxidation Processes for Sustainable Water and Wastewater Treatment
edited by , and Sanja Panić
submission deadline 31 May 2026 | Viewed by 26 | Submission Open
Keywords: wastewater; adsorption; biosorption; membrane technologies; advanced oxidation processes; catalysis; inorganic pollutants; organic pollutants; micropollutants
(This special issue belongs to the Section Environmental and Green Processes)
Multiphase Flow Separation: Fundamentals, Technologies, and Emerging Applications
edited by Yubin Wang
submission deadline 31 May 2026 | Viewed by 24 | Submission Open
Keywords: multiphase separation; separation technology; sustainable processes; flow separation; process intensification
(This special issue belongs to the Section Separation Processes)
Innovative Applications of Machine Learning in Advanced Materials Property Modeling
edited by
submission deadline 31 May 2026 | Viewed by 22 | Submission Open
Keywords: machine learning; property prediction; data-driven modeling; materials discovery; high-throughput screening; model interpretability
(This special issue belongs to the Section Chemical Processes and Systems)
Processing and Analysis of Dairy Products
edited by
submission deadline 31 May 2026 | Viewed by 19 | Submission Open
Keywords: dairy processing; analytical methods; fermentation; quality control; rheology; probiotic and functional dairy products; non-thermal technologies; compositional analysis; predictive modelling; sustainability; dairy innovation
(This special issue belongs to the Section Food Process Engineering)
Advanced Control, Removal, and Resource Recovery Processes in Wastewater Systems
edited by and Salem S. Abu Amr
submission deadline 10 Jun 2026 | 1 articles | Viewed by 6552 | Submission Open
Keywords: emerging contaminants; membrane separation; bioenergy production; water– energy nexus; resource recovery; wastewater treatment
(This special issue belongs to the Section Environmental and Green Processes)
Carbon Capture, Transportation, Utilization and Storage (CCUS) Process Optimization (CCUSPO)
edited by and
submission deadline 10 Jun 2026 | 1 articles | Viewed by 2056 | Submission Open
Keywords: CCUS process modelling; CCUS optimization; CCUS parameter sensitivity analysis; CCUS energy consumption and carbon emission assessment; CCUS economic evaluation; CCUS process dynamic modelling; CCUS process dynamic optimization
(This special issue belongs to the Section Environmental and Green Processes)
Advanced Carbon Nanomaterials from Biomass for Energy Storage and Environmental Applications
edited by , Alain Ricardo Picos Benítez and Oscar Manuel Rodríguez Narváez
submission deadline 10 Jun 2026 | Viewed by 161 | Submission Open
Keywords: biomass-derived carbon nanomaterials; energy storage applications; environmental remediation; thermochemical conversion; biochar and activated carbon; sustainability and circular economy
(This special issue belongs to the Section Materials Processes)
Green and Sustainable Food Technologies: Innovations in Processing and Preservation
edited by , Thaisa Abrantes Souza Gusmão and Rennan Pereira de Gusmão
submission deadline 10 Jun 2026 | Viewed by 31 | Submission Open
Keywords: sustainable food processing; green technologies; eco-friendly preservation; process intensification; energy-efficient operations; food quality and safety; valorization of food by-products; novel preservation techniques; resource-efficient technologies; agro-food sustainability
(This special issue belongs to the Section Food Process Engineering)
Biological and Biotechnological Applications of Natural Products: Development, Chemical Analysis, Structure Determination, Bioactivity
edited by
submission deadline 10 Jun 2026 | Viewed by 25 | Submission Open
Keywords: natural products; bioactivity; structural elucidation; biotechnological applications; biosynthesis
(This special issue belongs to the Section Biological Processes and Systems)
Advances in Electrodes, Electrolytes and Electrochemistry for Next-Generation Energy Technologies
edited by Asad Ali and
submission deadline 10 Jun 2026 | Viewed by 24 | Submission Open
Keywords: electrodes; electrolytes; electrochemistry; energy storage; energy conversion; batteries; supercapacitors; fuel cells; solid-state electrolytes; interface engineering; sustainability
(This special issue belongs to the Section Energy Systems)
Advanced Strategies in Enhanced Oil Recovery: Theory and Technology
edited by , Mingchen Ding and
submission deadline 11 Jun 2026 | 8 articles | Viewed by 8374 | Submission Open
Keywords: enhanced oil recovery; water flooding; CO2 flooding; heavy oil reservoir; low-permeability reservoir; water shutoff; conformance control
(This special issue belongs to the Section Energy Systems)
Process System Engineering of Gas Hydrate: Multiple Processes, Scales, Physics Fields and Senarios
edited by , and Jinxiu Yang
submission deadline 15 Jun 2026 | 1 articles | Viewed by 2698 | Submission Open
Keywords: gas hydrate; dynamic processes of hydrates (accumulation; formation; decomposition; monitoring); multiphase scales (molecular; core; well; formation); multiple senarios (simulation; experiment; field trial and testing); multiphase flows in porous media and pipelines; multiple physics fields (thermal; hydraulic; mechanical; chemical); fluid migration; seabed methane seepage; global warming
(This special issue belongs to the Section Chemical Processes and Systems)
Petroleum Characterization and Bioprocesses: Numerical and Experimental Investigation (2nd Edition) submission deadline 15 Jun 2026 | 3 articles | Viewed by 2036 | Submission Open
Keywords: petroleum; crude oil; fuel; nonlinear least square regression methods; meta-heuristic methods; energy; biofuel; bioprocesses
(This special issue belongs to the Section Chemical Processes and Systems)
Towards Advanced and Sustainable Bio-Based Materials for Green Technologies
edited by and
submission deadline 15 Jun 2026 | Viewed by 64 | Submission Open
Keywords: bio-based materials; green technologies; sustainable polymers; chitosan and cellulose; green solvents; functional coatings; nanocomposites; circular economy; sustainable process design
(This special issue belongs to the Section Biological Processes and Systems)
AI-Driven Innovations for Enhancing Power System Stability and Operational Efficiency
edited by
submission deadline 18 Jun 2026 | 11 articles | Viewed by 7510 | Submission Open
Keywords: inverter-based resources (IBRs); dispatch optimization; battery energy storage systems (BESSs); power systems stability; distributed energy resources (DERs); transmission and distribution planning; artificial intelligence (AI); electricity markets
(This special issue belongs to the Section Energy Systems)
Advances in Rheology, Biodegradability and Mechanical Properties of Polymers
edited by and Bruno Felipe Urbano Cantillana
submission deadline 20 Jun 2026 | 4 articles | Viewed by 14850 | Submission Open
Keywords: rheology; dynamic mechanical analysis; biodegradable polymers; biodegradability; viscosity; soft matter; hydrogels; nanocomposites
(This special issue belongs to the Section Materials Processes)
Recent Advances in Wastewater Treatment Technology to Achieve Low Carbonization submission deadline 20 Jun 2026 | 3 articles | Viewed by 4903 | Submission Open
Keywords: low carbon; wastewater; energy recovery; energy efficiency; circular economy
(This special issue belongs to the Section Environmental and Green Processes)
Geological and Engineering Problems in the Development of Unconventional Oil and Gas Reservoirs (2nd Edition)
edited by Mohamed I. Abdel-Fattah
submission deadline 20 Jun 2026 | 3 articles | Viewed by 2960 | Submission Open
Keywords: unconventional reservoirs; hydraulic fracturing; reservoir characterization; seismic and well log analysis; basin modeling and petroleum systems; machine learning and AI applications
(This special issue belongs to the Section Energy Systems)
Advances in Synthesis and Characterization of Zeolite Catalysts for Sustainable Applications
edited by Bruno O. Dalla Costa, Griselda Alejandra Eimer and María Soledad Legnoverde
submission deadline 20 Jun 2026 | 1 articles | Viewed by 870 | Submission Open
Keywords: zeolite catalysts; acidic/textural properties modification; characterization; hierarchical zeolites; mesoporous materials; biomass conversion; sustainable catalysis
(This special issue belongs to the Section Catalysis Enhanced Processes)
Numerical Simulation of Oil and Gas Storage and Transportation
edited by Xu Sun, and Zitao Jiang
submission deadline 25 Jun 2026 | 4 articles | Viewed by 5278 | Submission Open
Keywords: oil and gas pipelines; oil and gas tanks; oil and gas underground storage; numerical simulation; artificial intelligence
(This special issue belongs to the Section Energy Systems)
Novel Techniques in Natural Product Extraction to Improve Antimicrobial and Antioxidant Activity in Foods submission deadline 25 Jun 2026 | 2 articles | Viewed by 2714 | Submission Open
Keywords: green technologies; extraction; antioxidant activity; antimicrobial activity; functional components; bioactive compounds
(This special issue belongs to the Section Food Process Engineering)
Preparation, Synthesis and Chemical Properties of Functional Materials
edited by Apoorva Chaturvedi
submission deadline 25 Jun 2026 | 1 articles | Viewed by 1036 | Submission Open
Keywords: functional materials; synthetic routes; structure– property relationships; multi-functional materials; stimuli-responsive systems
(This special issue belongs to the Section Materials Processes)
Integrated Biorefineries for Sustainable Production of Biofuel and Bioproducts
edited by , Ankita Juneja, and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 8768 | 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)
Electrode Materials Design for High-Performance Energy Conversion and Storage Devices
edited by Shamim Ahmed Hira and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 6940 | 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 | 2 articles | Viewed by 3322 | 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)
Modelling and Optimizing Process in Industry 4.0 submission deadline 30 Jun 2026 | 3 articles | Viewed by 2829 | 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)
Corrosion Processes of Metals: Mechanisms and Protection Methods submission deadline 30 Jun 2026 | 1 articles | Viewed by 2516 | 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)
Analysis and Processes of Bioactive Components in Natural Products
edited by and Sanja Radman
submission deadline 30 Jun 2026 | 3 articles | Viewed by 2418 | Submission Open
Keywords: bioactive components; natural products; extraction; isolation; characterization methods; biological activity
(This special issue belongs to the Section Biological Processes and Systems)
Novel Technologies for the Processing and Quality Assessment of Meat Production submission deadline 30 Jun 2026 | 2 articles | Viewed by 1677 | 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)
Enzymes, Biocatalysis and Metabolic Engineering for Enabling Sustainability
edited by Cintia Mariana Romero
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1636 | 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)
Design, Fabrication, Modeling, and Control in Biomedical Systems
edited by Fulufhelo Nemavhola, Thanyani Pandelani and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1632 | 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)
Advanced Spectroscopic and Calorimetric Techniques for Pharmaceutical Analysis
edited by Agnieszka Szkudlarek
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1528 | 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)
Development and Application of Microalgae and Microalgae–Bacteria Biotechnologies
edited by , Francisco J. Choix and
submission deadline 30 Jun 2026 | 1 articles | Viewed by 1508 | 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)
Nanomaterials and Flexible Electronic Devices: Processing, Diagnostics and Applications
edited by Yongchao Yu, Ming Xiao and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 900 | 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 | 1 articles | Viewed by 815 | 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)
Kinetic Modeling of Biomass Pyrolysis Processes (2nd Edition) submission deadline 30 Jun 2026 | Viewed by 474 | 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)
Sustainable Nanocellulose Processes Toward New Products and Markets
edited by and María Evangelina Vallejos
submission deadline 30 Jun 2026 | Viewed by 470 | 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)
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