Surface Dielectric Barrier Discharge Research Articles

A Numerical Investigation of Supersonic Combustion Flow Control by Nanosecond-Pulsed Actuations

The efficiency of supersonic combustion is largely dependent on inlet and injection parameters. Additional energy input is required in some off-design conditions, and nanosecond discharge actuation can be a solution. In the present study, a phenomenological model of a nanosecond-pulsed surface dielectric barrier discharge (NS-SDBD) actuator was developed to analyze the combustion enhancement effect for a supersonic combustor with transverse H2 injection. A seven-reaction H2–air combustion model was adopted for the numerical simulation. Dynamic mode decomposition (DMD) was employed to acquire temperature perturbation in spatial and temporal domains. The results show that the actuator provides additional temperature-increment and species transportation through compression waves. The combustion enhancement effect is mainly attributed to the flow perturbation in the shear layer, which promotes the turbulent diffusion of fuel. Given the same power input, the combustion efficiency at the shockwave reflection point is increased by 17.5%, and the flame height is increased by 15.4% at its maximum.

Influence of Dielectric Material Thickness on the Formation of Atmospheric Plasma

This research examines the effects of dielectric material thickness and geometry on the formation of surface dielectric barrier discharge (DBD) in air. To initiate the discharge process, electrodes are connected to a high voltage source, ionizing the surrounding air and forming a thin layer of plasma near the dielectric material. The electrohydrodynamic (EHD) forces generated during this process are measured and analyzed to determine the influence of dielectric thickness and geometry on plasma formation. This study provides a more comprehensive understanding of the roles that dielectric material properties play in atmospheric plasma generation, contributing to potential optimization in the application of plasma-based technologies.

Ammonia synthesis using atmospheric pressure fluidized bed plasma

In recent years, extensive research has been conducted on ammonia synthesis using catalysts under mild conditions and by combining plasma with the catalysts. Increasing the contact area between the catalyst surface and atmospheric pressure dielectric barrier discharge (DBD) is crucial for improving the ammonia synthesis efficiency. In this study, we present a fluidized bed dielectric barrier discharge (FB-DBD) method that can be used to form FB-DBD plasma through the electrohydrodynamics of DBD discharge without a feed gas. We performed ammonia synthesis experiments using our FB-DBD reactor. The results indicate that the FB-DBD plasma can achieve an energy yield of 5.9 g-NH3/kWh, which is about twice higher than that of conventional DBD plasma. Consequently, it can be implemented in various applications as a new reaction field between solids and gases where surface reactions are predominant.

Comparison of Plasma-Polymerized Thin Films Deposited from 2-Methyl-2-oxazoline and 2-Ethyl-2-oxazoline: I Film Properties.

Poly(2-oxazoline) is a promising new class of polymeric materials due to their antibiofouling properties and good biocompatibility. Poly(2-oxazoline) coatings can be deposited on different substrates via plasma polymerization, which can be more advantageous than other coating methods. The aim of this study is to deposit poly(2-oxazoline) coatings using a surface dielectric barrier discharge burning in nitrogen at atmospheric pressure using 2-methyl-2-oxazoline and 2-ethyl-2-oxazoline vapours as monomers and compare the film properties. For the comparison, the antibacterial and cytocompatibility tests were peformed according to ISO norms. The antibacterial tests showed that all the deposited films were highly active against Staphylococcus aureus and Escherichia coli bacteria. The chemical composition of the films was studied using FTIR and XPS, and the film surface's properties were studied using AFM and surface energy measurement. The cytocompatibility tests showed good cytocompatibility of all the deposited films. However, the films deposited from 2-methyl-2-oxazoline exhibit better cytocompatibility. This difference can be explained by the different chemical compositions and surface morphologies of the films deposited from different monomers.

Study on Aerodynamic Drag Reduction by Plasma Jets for 600 km/h Vacuum Tube Train Sets

In order to break through the speed bottleneck, researchers envision using tubes to cover high-speed maglev trains and extract some of the air inside the tubes, creating a low-density environment on the ground, greatly reducing the aerodynamic drag of the trains, and in a relatively economical and feasible way, making high subsonic (600 km/h and above) and even supersonic ground transportation possible. The faster the running speed of high-speed trains, the greater the impact of aerodynamic drag on their energy consumption. Studying the aerodynamic characteristics of trains with a speed of 600 km/h can help optimize the aerodynamic shape of the train, reduce aerodynamic drag, and reduce energy consumption. This has positive implications for improving train energy efficiency, reducing energy consumption, and environmental impact. This paper adopts the numerical simulation method to study the drag reduction effect of the plasma arrangement and different excitation speeds on the train set in four positions when the incoming wind speed is 600 km/h, to analyze the mechanism of drag reduction, and then to analyze the combination of working conditions in order to investigate the drag reduction effect of plasma on the vacuum tube train set with an ambient pressure of 10,000 Pa. The findings demonstrate that the plasma induces the directional flow of the gas close to the wall to move the flow separation point backward and delay the separation of the flow, thereby reducing the front and rear differential pressure drag of the train set and lowering the aerodynamic drag coefficient of the entire train. The plasma arrangement is located at the rear of the flow separation point and in close proximity to the flow separation point. The pneumatic drag reduction effect peaks when the excitation speed reaches 0.2 times the train speed and the pneumatic drag reduction ratio is around 0.88%; the pneumatic drag reduction ratio of the rear car peaks when the excitation speed reaches 0.25 times the train speed and the pneumatic drag reduction ratio is 1.62%. The SDBD (Surface Dielectric Barrier Discharge) device is installed at the flow separation point around the nose tip of the rear car.

Treatment of azo, direct, and reactive dyes in surface dielectric barrier discharge: Valorization of effluent, the influence of wastewater characteristics, and plasma modeling by Stark broadening technique

The paper demonstrates the versatility of surface dielectric barrier discharge (SDBD) in degrading brilliant red X3B (azo dye), direct yellow 44 (direct dye), and turquoise blue H5G (reactive dye) in textile wastewater. The influence of wastewater characteristics, such as pH (4‐10), background inorganic salts (NaCl, Na2SO4, and Na2CO3), and type of pollutant, on the system performance was studied, and their interactions with •OH were established. Using the Stark broadening technique, the electron density of plasma was analyzed (2.48 × 1015/cm3 at 60 W), demonstrating its suitability for wastewater treatment. Complete degradation of 50 mg/L of brilliant red X3B, direct yellow 44, and turquoise blue H5G was achieved in 24, 32, and 96 min. The corresponding energy yield of 416, 312, and 250 mg/kWh achieved at 60 W indicates the system is energy efficient. Solution pH, background salts, dye type, and molecular size influence degradation efficiency. Alkaline pH enhances reaction rates, while acidic pH reduces reactor performance. Salts such as NaCl, Na2SO4, and Na2CO3 increased degradation time by 1.5‐2.0 times due to the scavenging effect. A simple and reliable strategy was employed to recycle the treated effluent and transform it into a calcium nitrate-based liquid fertilizer. The phytotoxicity studies prove that the final effluent is non-toxic to plants and can significantly enhance seeds' germination by 120–140 % compared to tap water-grown seeds. The study established the application of SDBD in wastewater treatment by electron density estimation by the Stark broadening technique and extensive dye degradation and mineralization studies under various environmental conditions.

A surface dielectric barrier discharge reactor for biological treatments

Antimicrobial plasma effects are promising for therapeutic applications like wound healing, cancer/tumor treatment, or pathogen-associated skin or dental diseases, but also in hygiene, food, and agriculture processing. Dielectric Barrier Discharge (DBD) reactors are the most widely used systems for antimicrobial purposes because they can use atmospheric air as a gas, do not require a vacuum, and are simple, inexpensive, and easy to use. However, when DBD plasma is applied directly to the biological sample, discharge current may pass through the biological sample, causing the plasma to transit to spark discharge and thus causing damage to the biological sample. Since Surface Dielectric Barrier Discharge (SDBD) plasmas can be generated far from the sample, they offer great advantages in the application of non-thermal plasma in extremely large volumes. While SDBD plasmas are generally generated on the lid of the container in which the sample is placed and the plasma species are expected to reach the sample, in this study, SDBD plasmas were produced on the container itself. A new SDBD reactor that can be applied to samples of various sizes and properties for antimicrobial purposes was manufactured. Gram-negative E. coli, gram-positive S. aureus and E. faecalis planktonic bacteria were placed in the reactor and inactivated for 10 min by exposure to non-thermal plasma. A plasma sterilization unit with 31.4 W power, practical, user-friendly, developed for bio-applications, with a 6.2-liter capacity.

Evaluation of the Antimicrobial Efficacy of a Large-Area Surface Dielectric Barrier Discharge on Food Contact Surfaces

The food industry, as a consequence of globalization and in particular with the outbreak of the COVID-19 pandemic, is calling for additional measures to reduce the risks of contamination throughout the steps of the food chain. Several methods are used to avoid this problem, such as hot water or chemical procedures. However, they have some disadvantages like high economic costs or the fact that they are not eco-friendly technologies. For those reasons, novel strategies are being sought in order to substitute or work in synergy with conventional decontamination systems. Cold atmospheric pressure plasma (CAP) can be produced by many various sources for a wide range of different applications, including decontamination. In this study, a Large-Area Surface Dielectric Barrier Discharge plasma source has been used with the aim of inactivating Staphylococcus epidermidis inoculated on polypropylene food packaging samples inside a treatment chamber. Moreover, electrical and chemical analysis of the plasma source has been carried out, as well as temperature measurements. A homogenous distribution of the reactive species inside the treatment chamber was suggested, achieving almost 2 log of bacteria reduction for every plasma treatment. Finally, it was suggested that the inactivation rates reached were not caused by the thermal effect. Thus, it is strongly believed that CAP could be an eco-friendly, cheap, and sustainable technology for food packaging and food tools decontamination.

An SDBD plasma-based source for efficient degradation of VOCs in an enclosed environment

In this work, a surface dielectric barrier discharge (SDBD) plasma-based source powered by a bipolar pulsed power supply is reported. This source has been tested for the decomposition of toluene and benzene in an enclosed environment of size 12 ft3. Study has been performed to compare decomposition of toluene and benzene on various combinations of the applied voltages and frequencies. For about 60 min of continuous operation of the SDBD source, a decomposition efficiency of 99.7% (toluene) and 74.8% (benzene) has been achieved. For the effective generation of reactive species, the ground electrode of the SDBD source is coated with TiO2 nanoparticles. Optical emission spectroscopy diagnostic has also been used to estimate the electron temperature, which is found to be in the range of 3–6 eV. Consequently, the high energetic electrons produced via the SDBD source are the primary reason to activate the catalyst instead of ultra-violet (UV) light. The results further showed that the developed SDBD source produces powerful, immediate discharge and energetic electrons, which could be efficiently used for volatile organic compounds (VOCs) degradation. The need for feed gas, pellets and/or differential pressure has been eliminated by the developed SDBD source from the known conventional methods for VOCs decomposition.

Surface Dielectric Barrier Discharge (sDBD) for Flow Control in Plasma Conversion

Dielectric barrier discharges (DBD) are often used for gas conversion, such as carbon dioxide splitting, volatile organic compound removal or ozone generation. Due to the tiny plasma filaments in DBD discharges, efficient mixing of the gas flow with the plasma is essential. This is studied by using a surface dielectric barrier discharge (sDBD) with an electrode design similar to plasma actuators to optimize plasma-flow interaction. The flow pattern has been measured by Schlieren diagnostics and compared to a fluid dynamic simulation. Gas conversion efficiency has been tested by monitoring the conversion of 0.7% CO2\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$_2$$\\end{document} admixed to an N2\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$_2$$\\end{document} gas stream via infrared spectroscopy in the exhaust. The actuator design of the electrodes induces a significant plasma force on the fluid, which results in the formation of vortices above the electrodes, as reproduced in the simulation. It is shown that the height of the vortices created in the velocity field can characterize the mixing process, which dominates the conversion efficiency of carbon dioxide at different gas flow rates.

Interactions Between Flow Fields Induced by Surface Dielectric Barrier Discharge Arrays

This study investigates the flow field induced by a surface dielectric barrier discharge (SDBD) system, known for its efficient pollution remediation of volatile organic compounds (VOCs). We aim to understand the flow dynamics that contribute to the high conversion observed in similar systems using this specific SDBD design. Examining how the surface discharge affects the gas mixing in chemical processes is important for both understanding the fundamentals and for potential industrial applications. Experimental techniques, including schlieren imaging and particle image velocimetry (PIV), applied with high temporal resolution, were used to analyse the flow field. Complementary, fluid simulations are employed to investigate the coupling between streamer and gas dynamics. Results show distinct fluid field behaviours for different electrode configurations, which differ in geometric complexity. The fluid field analysis of the most basic electrode design revealed behaviours commonly observed in actuator studies. The simulation results indicate the local information about the electron density as well as different temporal phases of the fluid flow velocity field containing the development of the experimental found vortex structure, its direction and speed of rotation. The electrode design with mostly parallel grid line structures exhibits confined vortices near the surface. In contrast, an electrode design also used in previous studies, is shown to promote strong gas transport through extended vortex structures, enhancing gas mixing and potentially explaining the high conversion observed.

Numerical modeling of plasma assisted ignition of CH4/O2/He mixture by the nanosecond repetitive pulsed surface dielectric barrier discharge

A nanosecond repetitive pulsed surface dielectric barrier discharge (NRP-SDBD) is a promising method for generation of non-equilibrium plasma with more kinetic activity. This paper presents numerical studies on the effects of pulse repetition frequency (PRF) on low temperature ignition of lean and stoichiometric CH4/O2/He mixture in NRP-SDBD plasma. A skeletal plasma kinetics mechanism is primary developed and calibrated, to mitigate the computationalloads of modeling SDBD discharge by the two-dimensional plasma solver PASSKEy coupled with Poisson's equation. The discharge current was well predicted, meanwhile the sequential and spatial reduced electric field (E/N) is revealed as the ionization wave propagates forward. Special attention is placed on time-evolution of electric field strength used as inputs in simulation of plasma assisted ignition (PAI) conducted by zero-dimensional ZDPlasKin-CHEMKIN code. The principle of PAI on lean and stoichiometric CH4/O2/He mixture via varied PRF is analyzed in details from view of plasma kinetics and chemical kinetics. Ultimately, the important role of plasma active species O, O(1D), O2(a1Δg) on promoting ignition chain reactions is highlighted. It is also concluded that high PRF is beneficial for the accumulation of short lifetime species such as CH4(v13) and O(1D), which participate in the formation of important intermediate CH3.

Experimental investigation of expansive bending pipe flow separation control using a surface dielectric barrier discharge plasma actuator.

Adverse pressure gradients can cause severe flow separation within typical S-shaped inlets. This results in a total pressure distortion at the aerodynamic interface plane (AIP). The expansive bending pipe, where flow separation also occurs due to the adverse pressure gradient, is the basis for investigations into S-shaped inlets. In this study, surface dielectric barrier discharge (SDBD) plasma actuators are used to moderate the total pressure distortion in the AIP of an expansive bending pipe under a 10 m/s incoming flow. Also, the influences of actuation voltage amplitude and pulsed frequency on the total pressure distortion of the AIP are investigated under two plasma actuation modes, nanosecond pulsed SDBD and alternating current (AC) SDBD. Under optimal actuation parameters, the nanosecond pulsed SDBD and the AC-SDBD can reduce the distortion index by 14.93% and 32.22%, respectively. The results demonstrate the effectiveness of SDBD plasma actuators in suppressing flow separation within expansive bending pipes.

Effect of Plasma-Activated Time for Ozone Generation in SDBD System Under Pulse and Sinusoidal Excitation

In the surface dielectric barrier discharge (SDBD) excitation schema, different power source topologies, such as the pulse and sinusoidal voltage inverters, are used to obtain the plasma. The inverter design is a critical element for consumer applications. However, some works in the literature have explained plasma properties and high-voltage excitation, but no clear definition has been identified to select a plasma property for a particular application. In general, SDBD is used for nonthermal plasma applications such as air purification and sterilization. Plasma generates reactive species that can react with target substances. Therefore, the reactive species generation rate greatly affects the plasma reaction performance. In addition, some researchers compare the <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\mathrm{O}_3$</tex-math> </inline-formula> generation rate with sinusoidal and pulse power supply, but they do not focus enough on the plasma which determines the electrical properties. In this study, the plasma-activated time (PAT) is introduced to link the plasma properties and electrical parameters. Sinusoidal and pulse voltage excitation characteristics and <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\mathrm{O}_3$</tex-math> </inline-formula> generation rates are used to experiment with this concept. The generation of reactive species is tested by measuring the <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\mathrm{O}_3$</tex-math> </inline-formula> generation rate under fixed electrical and environmental conditions such as voltage, temperature, humidity, frequency, and PAT.

Closed-Loop Control of Ionic Wind Speed Generated by Nanosecond Pulsed Surface Dielectric Barrier Discharge

Closed-Loop Control of Ionic Wind Speed Generated by Nanosecond Pulsed Surface Dielectric Barrier Discharge

The Multi-Hollow Surface Dielectric Barrier Discharge Usage for the Seeds' Treatment Aimed to the Dustiness Decrease of Free-Floating Particles from Agrochemicals

The Multi-hollow Surface Dielectric Barrier Discharge (MSDBD) generated in ambient air at atmospheric pressure was used to treat maize, pea, wheat and parsley seeds. Plasma exposure was applied as a pre-treatment before the seeds coating with agrochemicals. The aim of this study was to decrease the dustiness of coated seeds using plasma pre-treatment. The optimization process of plasma treatment parameters for individual seed species consisted of choosing a suitable exposure time (20 s, 60 s) and airflow (10 L/min, 15 L/min). The plasma made the seeds' surface more hydrophilic; therefore, better agrochemicals adhesion was achieved on the seeds' surface. Wettability improvement was demonstrated via water uptake of seeds and apparent contact angle change. Ambient air plasma at a 15 L/min flow rate was measured using optical emission spectroscopy, and the values of vibrational (3000 K) and rotational (347 K) temperatures were obtained from spectra simulation. The surface temperature of the MSDBD ceramics plate was measured with a thermal camera for different gas flow rates and constant input power of 30 W because the temperature is crucial parameter for seed treatment. The surface morphology was not affected due to plasma treatment, even for a longer exposure time. A significant decrease in dustiness measured according to the Heubach method was achieved for pea (57.1%) and parsley (41.4%) seeds. A lower decrease in dustiness was registered in the case of wheat (14.6%) and maize (17%) seeds. The results showed that MSDBD plasma generated in the air at optimized conditions is able to decrease the coated seed dustiness regardless of seed type and size, while seeds germination and surface coverage percentage remained unchanged.

Low temperature and rapid synthesis of nitrogen-doped carbon-based catalysts via atmospheric pressure plasma

Nitrogen-doped carbon materials have attracted significant attention as promising non-metal electrochemical catalysts for oxygen reduction reaction. The commonly used chemical synthesis methods which usually necessitate prolonged elevated-temperature sintering are unsuitable for thermally sensitive catalysts. Generally, these methods require a long duration of gas infiltration and the involvement of toxic chemical reagents. These factors make it difficult to maintain sample consistency during the preparation process. In this paper, a low-temperature synthesis approach is introduced to prepare nitrogen-doped carbon-based catalysts using Ar surface dielectric barrier discharge to treat a mixed precursor of Ketjen Black and ammonium carbonate at atmospheric pressure. The obtained catalysts exhibit moderate defects and successful nitrogen doping. Compared with catalysts prepared using traditional chemical methods, they show superior electrochemical performance. The limiting current density has exhibited performance superior to commercial Pt/C catalysts, as well as higher stability and methanol tolerance. Furthermore, the mechanism of nitrogen doping achieved through plasma treat chemical bonds is explained. This work proposes a feasible strategy for synthesizing nitrogen-doped carbon materials and tuning catalyst performance, and provides deep insights into the plasma regulation of catalysts.

Impact of Nonthermal Plasma on Lipid Oxidation from the Perspective of Plasma Treatment Parameters and Plasma Species: Identification of Key Reactive Species.

Nonthermal plasma is a mild processing technology for food preservation. Its impact on lipid oxidation was investigated in this study. Stripped methylesters were considered as a basic lipid model system and were treated by a multihollow surface dielectric barrier discharge. In dry air plasma, O3, ·NO2, ·NO3, and 1O2 were identified as the main reactive species reaching the sample surface. Treatment time was the most prominent parameter affecting lipid oxidation, followed by the (specific) power input and the plasma-sample distance. In humid air plasma, less O3 was detected, but ONOOH and O2NOOH were generated and presumed to play a role in lipid oxidation. Ozone mainly resulted in the formation of carbonyl substances via the trioxolane pathway, while reactive nitrogen species (i.e., ·NO2, ·NO3, ONOOH, and O2NOOH) led to the formation of hydroperoxides. The impact of short-living radicals (e.g., ·O, ·N, ·OH, and ·OOH) was restricted in general, since they dissipated too fast to reach the sample.·NO, HNO3, H2O2, and UV radiation did not induce lipid oxidation. All the reactive species identified in this study were associated with the presence of O2 in the input gas.

Efficacy Comparison of Three Atmospheric Pressure Plasma Sources for Soybean Seed Treatment: Plasma Characteristics, Seed Properties, Germination

Plasma seed treatment has proven to be a useful technique for improving germination, growth dynamics, as well as plant resistance. In this paper, we studied the efficacy of soybean seeds treatment using various sources of cold atmospheric pressure plasma generated in air. We compared three types of plasma treatments: direct treatment with plasma generated by a diffuse coplanar surface barrier discharge (DCSBD), direct treatment with plasma generated by a multi-hollow surface dielectric barrier discharge, and indirect treatment using the gaseous products of plasma generated by an air plasma jet. The composition of plasma generated by each of the sources was analysed using optical emission spectroscopy and Fourier Transform Infrared spectroscopy (FTIR). Parameters of the plasma treatments have been optimized to improve soybean germination. Plasma-treated seeds were examined by the means of water contact angle, surface free energy and imbibition measurements, attenuated total reflectance FTIR (ATR-FTIR), x-ray photoelectron spectroscopy (XPS) and scanning electron microscope (SEM) analyses. Surface analysis by ATR-FTIR and XPS showed changes in the chemical bonds on the surface of the plasma-treated seeds, which led to an increase in wettability and imbibition. SEM analysis confirmed that the plasma treatment is non-invasive and does not cause changes in seed surface morphology. Among the studied sources, DCSBD proved to be the best suited for soybean seed treatment in terms of germination improvement as well as treatment time and energy efficiency.

Effect of cold plasma generated with different gas mixtures on safety, quality and nutritional aspects of fresh sea bream fillets

Cold atmospheric plasma (CAP) is a non-thermal technology, successfully used to decontaminate and extend the shelf-life of various foods. However, since CAP is highly oxidative, it can cause quality deterioration in sensitive matrices, such as fish products. This research aimed to evaluate the effect of CAP treatment with a surface dielectric barrier discharge (SDBD) with different gas mixtures (80% Ar/20% O2, or 80% N2/20% O2) on the decontamination of inoculated pathogens (E.coli and L.innocua; log 4 CFU/g inoculum) and endogenous spoilage microbiota and on the main quality indices of seabream (Spaurus aurata) fillets. For selected appropriate treatments, the impact on the nutritional value of the products was investigated through in vitro digestion, bioaccessibility of fatty acids and the degree of protein hydrolysis.The use of CAP resulted in a decrease in the bacterial load in the fresh sea bream fillets up to 1 log CFU/g obtained with Ar/O2 gas mixture for 20 min, affected by the treatment duration, but not by the gas mixture. Although a slight increase in lipid oxidation was observed (from 0.5 mg MDA/kg to a maximum of 4 mg MDA/kg), the digestibility of the products was not affected. Industrial relevanceFrom an industrial point of view, increasing shelf-life of perishable products such as fish fillets with an environmentally friendly and non-thermal technology could represent a great advantage; however, maintaining quality is of paramount importance for the industrial use of this novel processing technology. The results of the present study show negligible effects on the nutritional quality of seabream fillets, which encourages further research.