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 98 | 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 69 | 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)
Intelligent Operation, Maintenance, and Scheduling of Industrial Manufacturing Processes
edited by , and Xiwang Guo
submission deadline 31 May 2026 | Viewed by 68 | 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)
Design, Inspection and Repair of Oil and Gas Pipeline
edited by Hong Zhang, Dong Zhang and
submission deadline 31 May 2026 | Viewed by 65 | 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 60 | 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)
Development of Microwave Food Processing Technology
edited by
submission deadline 31 May 2026 | Viewed by 55 | 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 51 | 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)
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 47 | 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)
Conversion of Solid Waste into Green Materials: Innovations in Synthesis Processes and Valorization Options submission deadline 31 May 2026 | Viewed by 43 | 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)
Biomass Gasification: Thermal Behaviour and Kinetic Modelling
edited by and
submission deadline 31 May 2026 | Viewed by 38 | Submission Open
Keywords: gasification; biomass; kinetics; modeling; thermal behavior; syngas; simulation
(This special issue belongs to the Section Chemical Processes and Systems)
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 35 | 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)
Recent Progress in Thin Film Processes and Engineering submission deadline 31 May 2026 | Viewed by 33 | Submission Open
Keywords: electrospinning; electrospun nanofibrous membranes; polymer membranes; composites; blends; water filtration; oil/water separation; dye adsorption; micro/nanoplastics separation
(This special issue belongs to the Section Chemical Processes and Systems)
Advanced Technologies for Bioenergy Recovery from Organic Waste and Wastewater
edited by
submission deadline 31 May 2026 | Viewed by 32 | 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)
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 28 | 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)
Multiphase Flow Separation: Fundamentals, Technologies, and Emerging Applications
edited by Yubin Wang
submission deadline 31 May 2026 | Viewed by 28 | Submission Open
Keywords: multiphase separation; separation technology; sustainable processes; flow separation; process intensification
(This special issue belongs to the Section Separation Processes)
Processing and Analysis of Dairy Products
edited by
submission deadline 31 May 2026 | Viewed by 26 | 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)
Innovative Applications of Machine Learning in Advanced Materials Property Modeling
edited by
submission deadline 31 May 2026 | Viewed by 23 | 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)
Artificial Intelligence and Machine Learning for Wind Energy Resource Modelling and Forecasting
edited by
submission deadline 31 May 2026 | Viewed by 7 | Submission Open
Keywords: wind energy; machine learning; artificial intelligence; NWP models
(This special issue belongs to the Section AI-Enabled 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 6751 | 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)
Polymer Nanocomposites for Smart Applications
edited by Sakrit Hait
submission deadline 10 Jun 2026 | 2 articles | Viewed by 5795 | Submission Open
Keywords: polymer nanocomposites; polymer nano biocomposites; renewable micro-nanoparticles; carbon materials; structure– property relationship; physicomechanical characterization; smart applications
(This special issue belongs to the Section Materials Processes)
Carbon Capture, Transportation, Utilization and Storage (CCUS) Process Optimization (CCUSPO)
edited by and
submission deadline 10 Jun 2026 | 1 articles | Viewed by 2109 | 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 166 | 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 35 | 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 29 | 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 29 | 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 8556 | 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)
Metal Oxides and Their Composites for Photocatalytic Degradation
edited by Jaideep Malik, Surjeet Chahal and Parmod Kumar
submission deadline 15 Jun 2026 | 3 articles | Viewed by 5632 | Submission Open
Keywords: metal oxides; semiconductor photocatalsysis; composite materials; photocatalyst; wastewater treatment; dye degradation; hetrojunction; advanced oxidation processes (AOPs); environmental remediation; nanomaterials; solar catalysis
(This special issue belongs to the Section Chemical Processes and 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 2723 | 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 2090 | 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 67 | 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)
Microstructural Evolution, Corrosion, and Performance of Metallic Materials
edited by Gláucio Soares Da Fonseca and Elivelton Alves Ferreira
submission deadline 15 Jun 2026 | Viewed by 9 | Submission Open
Keywords: microstructural evolution; phase transformations; corrosion behaviour; metallic materials performance; stainless steels; residual stress and inspection; magnetic Barkhausen noise (MBN); non-destructive testing/inspection
(This special issue belongs to the Section Manufacturing Processes and Systems)
Process Innovation and Intensification in Photobioreactors for Enhanced Biomass and Bioenergy Production submission deadline 15 Jun 2026 | Viewed by 4 | Submission Open
Keywords: photobioreactor design and optimization; microalgae and cyanobacteria cultivation; computational fluid dynamics (CFD); light distribution and photon management; bioprocess engineering; techno-economic feasibility; biofuel conversion; scale-up strategies; CO2  fixation and utilization; upstream and downstream processing
(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 7986 | 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 15218 | 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
edited by and
submission deadline 20 Jun 2026 | 3 articles | Viewed by 4999 | 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 | 4 articles | Viewed by 3248 | 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 907 | 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 5378 | 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 2757 | 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 1052 | 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)
Advances of Intelligent Manufacturing Process and Equipment
edited by Gang Yuan
submission deadline 28 Jun 2026 | Viewed by 5 | Submission Open
Keywords: large language models; embodied intelligent equipment; human– robot collaboration; industrial metaverse and digital twin; humanoid robotics in manufacturing; generative process planning; cognitive autonomous systems; Industry 5.0
(This special issue belongs to the Section Manufacturing Processes and Systems)
Integrated Biorefineries for Sustainable Production of Biofuel and Bioproducts
edited by , Ankita Juneja, and
submission deadline 30 Jun 2026 | 4 articles | Viewed by 9020 | 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 7093 | 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 3491 | 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 2873 | 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 2824 | 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 2503 | Submission Open
Keywords: bioactive components; natural products; extraction; isolation; characterization methods; biological activity
(This special issue belongs to the Section Biological Processes and Systems)
Design, Fabrication, Modeling, and Control in Biomedical Systems
edited by Fulufhelo Nemavhola, Thanyani Pandelani and
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1799 | 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)
Enzymes, Biocatalysis and Metabolic Engineering for Enabling Sustainability
edited by Cintia Mariana Romero
submission deadline 30 Jun 2026 | 2 articles | Viewed by 1795 | 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)
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