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Dissertations / Theses on the topic 'Non thermal plasma (NTP)'

Author: Grafiati
Published: 6 July 2024
Last updated: 31 July 2025

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1

Korichi, Noussaiba. "Epuration d'effluents pharmaceutiques par plasmas non thermiques couplés à des procédés catalytiques." Electronic Thesis or Diss., Orléans, 2023. http://www.theses.fr/2023ORLE1057.

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Le travail de cette thèse vise à étudier un procédé hybride pour le traitement de molécules organiques dans l’eau. Il s’agit du procédé Plasma Non Thermique (NTP) couplé à la catalyse hétérogène de type (Fenton-like). Le paracétamol est utilisé comme la molécule modèle pour cette étude. Deux configurations différentes de réacteur plasma de type Décharge à Barrière Diélectrique (DBD) ont été utilisées : (i) un réacteur multipointes-plan en mode statique ; (ii) un réacteur coaxial tubulaire avec écoulement de la solution à traiter. Afin d’évaluer la synergie entre les deux procédés (plasma et ca
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2

Orrière, Thomas. "Confinement micrométrique des décharges pulsées nanosecondes dans l'air à pression atmosphérique et effets électro-aérodynamiques." Thesis, Poitiers, 2018. http://www.theses.fr/2018POIT2272/document.

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Les plasmas froids d’air à pression atmosphérique sont très utiles pour un grand nombre d’applications grâce à leur chimie hors-équilibre et leur souplesse d’utilisation. Leur intérêt réside dans la production de certaines espèces réactives ou chargées avec un coût énergétique plus avantageux que la chimie à l’équilibre. L’objectif de cette thèse est de combiner les décharges nanosecondes répétitives pulsées (NRP) avec une géométrie micrométrique. Par cette combinaison, nous souhaitons palier au chauffage excessif des étincelles qui génèrent pourtant des fortes densités d’espèces. Notre étude
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3

Zhao, Yiyi. "Non-thermal plasma for water treatment." Thesis, University of Strathclyde, 2017. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28647.

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Plasma generated in contact with water has been extensively investigated in various electrode geometries and various discharge types for water treatment, of which the applications have been employed industrially on different scales. The reactive species such as OH radicals, O3, H2O2 and HO2 can be generated from the reactions that occur at the plasma-water interface. For discharges above water, the effect of positive gas ions, which lead to the formation of positive water ions, is considered the main pathway for OH radical formation; while for the discharge under water, the water dissociation
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4

Zhu, Yonry R. "Applications and Modeling of Non-Thermal Plasmas." Ohio University Honors Tutorial College / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1492777535797122.

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5

Al-Abduly, Abdullah Jubran. "Fundamental and applied studies of non-thermal plasma." Thesis, University of Newcastle upon Tyne, 2016. http://hdl.handle.net/10443/3186.

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This thesis reports a pure and applied study on non-thermal plasmas (NTPs) produced using Dielectric Barrier Discharge (DBD) generators of various forms. The main aim of the pure aspect of the study was to obtain a better understanding of the chemistry taking place within the NTP in an air-fed DBD and to what extent the plasma output varies from the glow to the downstream regions under various operational conditions. Thus, a DBD plasma jet generator was designed and employed for the investigations of these regions. The analyses of the plasma glow region and the downstream exhaust were carried
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6

Alkawareek, Mahmoud Yousef. "Antimicrobial applications of atmospheric pressure non-thermal plasma." Thesis, Queen's University Belfast, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.602409.

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In this study, an in-house built atmospheric. pressure non-thermal plasma jet has been investigated for its potential utilisation as a new alternative antimicrobial tool for a variety of medical applications. Anti - biofilm activity of this plasma jet has been evaluated against biofilms of a selected panel of bacterial species, grown on different abiotic surfaces, where complete eradication of all tested bacterial biofilms was achieved after relatively short plasma exposures of up to 10 minutes. Multiple approaches of cell viability evaluation were adopted to show the nature, extent and distri
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7

Zhou, Linghe. "Non-thermal plasma technology for nitric oxide removal." Thesis, University of Strathclyde, 2018. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=29440.

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Non-thermal plasma, as a potential nitric oxide (NO) removal technology, has been researched for more than one decade. The advantage of direct non-thermal plasma treatment is that it is able to generate reactive species from the existing components in the flue gas without additional catalyst, oxidant or reductant, so any NO removal system based upon this technology is simple and easy to operate. However, the energy efficiency of non-thermal plasma technology is lower than the most commonly used selective catalytic reduction system for NO removal. In order to understand the possible reasons, it
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8

Čechová, Ludmila. "Generace kovových nanočástic v nízkoteplotním plazmatu v kapalině." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-414177.

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This thesis focuses on the process of nanoparticle generation using new source of nonthermal plasma combining corona and pin-hole discharge in liquids. The theoretical part is focused on generation of metallic nanoparticles using various types of plasma discharge, the properties of metallic nanoparticles, their preparation by other methods and methods of characterization of nanoparticles. The experimental part deals with the preparation of copper, silver and gold nanoparticles from solutions of their precursors. The influence of experimental conditions, such as the influence of voltage polarit
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9

Flynn, Padrig Benjamin. "Controlling bacterial biofilms and virulence using non-thermal plasma." Thesis, Queen's University Belfast, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.726343.

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The original work presented in this thesis provides examples of the unique chemistry of a helium/oxygen Kilohertz plasma jet and its antimicrobial activity against a cohort of clinically relevant microorganisms termed the ESKAPE pathogens (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, Enterobacter cloacae). The potential of non-thermal plasma to attenuate quorum sensing controlled bacterial virulence is demonstrated in Gram-negative bacteria with further elucidation undertaken to examine how examples of plasma produced reac
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10

Vintila, Ramona Roxana. "Ceramics in non-thermal plasma discharge for hydrogen generation." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=83941.

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Recent interest in hydrogen as an energy source has resulted in development of new technologies such as non-thermal plasma processing of natural gas. We report the development of a process yielding hydrogen from natural gas that generates no green house gases and thus meets the Kyoto accord targets.<br>In this process, natural gas is treated in a dielectric barrier discharge (DBD) yielding hydrogen and solid carbon according to the following reaction: CH4 (g) → 2H2 (g) + C (s). The direct cracking of the hydrocarbon is possible if the natural gas is injected in the plasma zone, created
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11

Gallon, Helen Jennifer. "Dry reforming of methane using non-thermal plasma-catalysis." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/dry-reforming-of-methane-using-nonthermal-plasmacatalysis(3d260efa-9f5a-4151-bdeb-14d92ea66f4a).html.

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This thesis has studied CO2 reforming of CH4 in atmospheric pressure, non-thermal plasma discharges. The objective of this research was to improve the current understanding of plasma-catalytic interactions for methane reforming. Chapter 1 introduces the existing and potential applications for methane reforming products. The industrial approaches to methane reforming and considerations for catalyst selection are discussed. Chapter 2 introduces non-thermal plasma technology and plasma-catalysis. An introduction to the analytical techniques used throughout this thesis is given. Chapter 3 investig
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12

Pringle, Todd Andrew. "Non-Thermal Plasma Synthesis of Luminescent Silicon Nanocrystals from Cylclohexasilane." Diss., North Dakota State University, 2019. https://hdl.handle.net/10365/31690.

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In this report we establish cyclohexasilane (CHS) as a reliable precursor for non-thermal plasma synthesis of high quality photoluminescent silicon nanocrystals (SiNCs). We demonstrate that this synthesis approach can produce high quality, size tunable silicon quantum dots with quantum yields exceeding 60% as synthesized (subsequent work in our group has measured over 70% quantum yield after density gradient ultracentrifugation size purification).After a brief background on non-thermal plasma synthesis, the characterization methods used in this study, and an overview of CHS, we report at lengt
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13

Wang, Zhicheng. "Reaction mechanism of N0x destruction by non-thermal plasma discharge." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 1999. http://digitalcommons.auctr.edu/dissertations/980.

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14

Bundscherer, Lena Christina [Verfasser]. "Immune-modulatory effects of non-thermal plasma / Lena Christina Bundscherer." Greifswald : Universitätsbibliothek Greifswald, 2014. http://d-nb.info/1050266897/34.

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15

Li, Sirui. "Atmospheric non-thermal plasma discharges for cleaning and bio-decontamination." Thesis, University of Strathclyde, 2016. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=27572.

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It has been shown that non-thermal plasma has great potential for chemical oxidation and bacterial inactivation. However, the mechanism of plasma-induced oxidation and bactericidal effects is not fully understood, and optimisation of the non-thermal plasma treatment is required to improve the efficiency of this technology. This research presents an investigation into the oxidation and bio-decontamination capabilities of steady-state corona discharges and impulsive transient plasma discharges in atmospheric air. Degree of decolorisation of blue dye by plasma discharges was obtained and used for
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16

Gupta, Tripti Thapa. "Characterization and Optimization of Non-thermal Plasma for Biofilm Sterilization." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo152547566313079.

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17

Kalghatgi, Sameer Ulhas Friedman Gary. "Mechanisms of interaction of non-thermal plasma with living cells /." Philadelphia, Pa. : Drexel University, 2010. http://hdl.handle.net/1860/3208.

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18

Schiorlin, Milko. "Non-thermal plasma processing for the decomposition of organic pollutants." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3427089.

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Plasma chemistry is a rapidly growing field to develop and exploit the great potential of plasma to perform chemical reactions. This thesis deals with the oxidation of organic pollutants in air and water promoted by the action of air non-thermal plasma (NTP). Such plasmas, which are conveniently produced by electric non-thermalizing discharges like corona and dielectric barrier discharges in air at atmospheric pressure and ambient temperature, provide highly reactive oxidizing environments comprising electrons, excited molecules, atomic and radical species (O, OH), ions (O2+, N2+, NO+, O–, O2–
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19

Liu, Bo. "Non-thermal atmospheric pressure plasma interacting with water for biological applications." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLX049/document.

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Les plasmas froids produits par les décharges électriques sont des gaz faiblement ionisés, ce qui maintient la température du gaz à une température proche de la température ambiante, contrairement à la température de l'électron qui peut atteindre plusieurs électron-volts. Les applications des plasmas froids en médecine et en agriculture sont des nouveaux domaines de recherche multidisciplinaires basés sur les interactions de ces plasmas avec des organismes vivants. Le champ électrique ainsi que les espèces réactives de l’oxygène et de l'azote peuvent inactiver les bactéries, stimuler la régéné
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20

Ni, Y. "Non-thermal air plasma discharges for food and water security applications." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3006532/.

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The use of cold atmospheric pressure plasma for applications related to microbial decontamination has grown enormously over the last decade. Non-thermal plasmas generated in ambient air contain a wide variety of reactive oxygen and nitrogen species, or RONS. When such species interact with microorganisms they induce a number of biological changes, ultimately resulting in inactivation of the organism. This thesis focuses on the design, development, optimisation and application of air plasma systems for microbial decontamination. The aim of the work is to gain a better understanding of how RONS
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21

Abd, Allah Zaenab. "Non-thermal atmospheric pressure plasma for remediation of volatile organic compounds." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/nonthermal-atmospheric-pressure-plasma-for-remediation-of-volatile-organic-compounds(2826f483-e29f-402e-93a7-5f73818c4292).html.

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Non-thermal plasma generated in a dielectric barrier packed-bed reactor has been used for the remediation of chlorinated volatile organic compounds. Chlorinated VOCs are important air pollutant gases which affect both the environment and human health. This thesis uses non-thermal plasma generated in single and multiple packed-bed plasma reactors for the decomposition of dichloromethane (CH2Cl2, DCM) and methyl chloride (CH3Cl). The overall aim of this thesis is to optimize the removal efficiency of DCM and CH3Cl in air plasma by investigating the influence of key process parameters. This thesi
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22

Babaie, Meisam. "Reduction of diesel engine exhaust emissions using non-thermal plasma technology." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/81593/1/Meisam_Babaie_Thesis.pdf.

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Non-thermal plasma (NTP) is a promising candidate for controlling engine exhaust emissions. Plasma is known as the fourth state of matter, where both electrons and positive ions co-exist. Both gaseous and particle emissions of diesel exhaust undergo chemical changes when they are exposed to plasma. In this project diesel particulate matter (DPM) mitigation from the actual diesel exhaust by using NTP technology has been studied. The effect of plasma, not only on PM mass but also on PM size distribution, physico-chemical structure of PM and PM removal mechanisms, has been investigated. It was fo
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23

Barton, Annemarie [Verfasser]. "Impact of non-thermal plasma on cell signaling in keratinocytes / Annemarie Barton." Greifswald : Universitätsbibliothek Greifswald, 2014. http://d-nb.info/1050377869/34.

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24

Zeng, Y. "Conversion of CO2 into valuable fuels and chemicals using non-thermal plasma." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3007602/.

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This project studies the conversion of CO2 into fuels and chemicals in a dielectric barrier discharge (DBD) reactor. CO2, H2 and CH4 have been used as reactants, and special attention has been paid on understanding the plasma-catalytic synergy when a catalyst is placed in a plasma discharge. CO2 and CH4 are major greenhouse gases, responsible for the global greenhouse effect and climate change. The overall aim of this project is to initiate CO2 hydrogenation and biogas reforming at ambient temperature and atmospheric pressure by using plasma-catalysis. In this project, non-thermal plasma has b
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25

Jansen, Florian [Verfasser]. "Effects of non-thermal atmospheric pressure plasma on human fibroblasts / Florian Jansen." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2021. http://d-nb.info/1231075120/34.

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26

Karki, Surya B. "Non-thermal Miniature Dielectric Barrier Discharge Plasma for Treatment ofLung Carcinoma Cells." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1523017849495564.

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27

Raja, Ibrahim Raja Kamarulzaman Kamarulzaman. "Mid-infrared diagnostics of the gas phase in non-thermal plasma applications." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/midinfrared-diagnostics-of-the-gasphase-in-nonthermal-plasmaapplications(3b684a12-78fa-4d9b-94d2-0f066b7a828e).html.

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This thesis focuses on the utilisation of mid-infrared techniques in technological atmospheric pressure, non-thermal plasma (NTP) diagnostics. Two mid-infrared techniques were demonstrated in this work namely laser absorption and Fourier transform infrared (FTIR) spectroscopy. The performance of external-cavity quantum cascade laser (EC-QCL), a relatively new laser type with broad tuning capability was also demonstrated as potential diagnostics tool for technological NTP applications. A dual plate dielectric barrier discharge (DBD) and a packed-bed NTP reactor were designed and fabricated to p
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28

Emicke, Philipp [Verfasser]. "Proteome dynamics of non-thermal atmospheric plasma treated airway epithelial cells / Philipp Emicke." Greifswald : Universitätsbibliothek Greifswald, 2012. http://d-nb.info/1026356571/34.

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29

Quaw, M'dimoir. "On the generation and characterisation of non-thermal plasma for physical process conditioning." Thesis, University of Liverpool, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.479089.

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30

Ramos, Evelyn. "Use of non-thermal, atmospheric-pressure plasma for reduction of bacterial food pathogens /." Available to subscribers only, 2008. http://proquest.umi.com/pqdweb?did=1559852631&sid=6&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Thesis (M.S.)--Southern Illinois University Carbondale, 2008.<br>"Department of Molecular Biology, Microbiology and Biochemistry." Includes bibliographical references (pages 46-50). Also available online.
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31

Fricke, Katja [Verfasser]. "Influence of Non-thermal Plasma-based Biological Decontamination Processes on the Surface Properties of Plasma-exposed Polymers / Katja Fricke." Greifswald : Universitätsbibliothek Greifswald, 2013. http://d-nb.info/1030246211/34.

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32

Seljeskog, Morten. "Shock Tube Experiments on Nitromethane and Promotion of Chemical Reactions by Non-Thermal Plasma." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-98.

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<p>This dissertation was undertaken to study two different subjects both related to molecular decomposition by applying a shock tube and non-thermal plasma to decompose selected hydrocarbons. The first approach to molecular decomposition concerned thermal decomposition and oxidation of highly diluted nitromethane (NM) in a shock tube. Reflected shock tube experiments on NM decomposition, using mixtures of 0.2 to 1.5 vol% NM in nitrogen or argon were performed over the temperature range 850-1550 K and pressure range 190-900 kPa, with 46 experiments diluted in nitrogen and 44 diluted in argon. B
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33

Fitzsimmons, Clare. "The Use of Non-Thermal Plasma Systems For VOC Destruction and Air Quality Improvement." Thesis, Manchester Metropolitan University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502992.

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34

Arabi, Khadija. "Traitement par plasma non thermique d'alcools et produits issus de la pyrolyse ou de la gazéification de la biomasse." Phd thesis, Université d'Orléans, 2011. http://tel.archives-ouvertes.fr/tel-00705856.

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Actuellement et en raison de la diminution des ressources pétrolières pour les années à venir, l'hydrogène ou le gaz de synthèse (H2 + CO) sont considérés comme des vecteurs énergétiques qui pourraient permettre de répondre aux enjeux environnementaux et besoins énergétiques. L'exploitation de la biomasse constitue une réserve de carbone et d'hydrogène pouvant être transformée en carburant utilisable. Le travail de cette thèse s'inscrit dans le cadre des recherches concernant la thématique de la conversion de biomasse par plasma non thermique. L'objectif de ce travail a été d'évaluer l'efficac
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35

Chen, Chih-Min. "Contribution to the study of atmospheric pressure non-thermal plasma for the treatment of biological substrates." Thesis, université Paris-Saclay, 2022. http://www.theses.fr/2022UPAST048.

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L'objectif de ces travaux était d'étudier l'interaction entre des plasmas froids à pression atmosphérique et des milieux biologiques en vue d'application de ce type de technologie au secteur biomédical.Dans un premier temps, des sources plasma ont été conçues, réalisées et caractérisées. Il s'agissait de réacteurs mettant en œuvre des décharges sur barrière diélectrique dans différents gaz en flux (air synthétique, argon, avec ou sans apport de vapeur d'eau). L'utilisation de l'argon a permis de sélectionner des conditions dans lesquelles le plasma demeurait confiné dans la zone inter-électrod
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36

Eriksson, Jonas. "Synthesis of 11C-labelled Alkyl Iodides : Using Non-thermal Plasma and Palladium-mediated Carbonylation Methods." Doctoral thesis, Uppsala universitet, Avdelningen för organisk kemi, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7171.

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Compounds labelled with 11C (β+, t1/2 = 20.4 min) are used in positron emission tomography (PET), which is a quantitative non-invasive molecular imaging technique. It utilizes computerized reconstruction methods to produce time-resolved images of the radioactivity distribution in living subjects. The feasibility of preparing [11C]methyl iodide from [11C]methane and iodine via a single pass through a non-thermal plasma reactor was explored. [11C]Methyl iodide with a specific radioactivity of 412 ± 32 GBq/µmol was obtained in 13 ± 3% decay-corrected radiochemical yield within 6 min via catalytic
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37

Farouk, Tanvir Iqbal Farouk Bakhtier Friedman Alexander. "Modeling and simulations of DC and RF atmospheric pressure non-thermal micro plasma discharges : analysis and applications /." Philadelphia, Pa. : Drexel University, 2009. http://hdl.handle.net/1860/3002.

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38

Rodrigues, Anthony. "Caractérisation des interactions entre un plasma non-thermique et des matériaux." Thesis, Poitiers, 2013. http://www.theses.fr/2013POIT2288.

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L'étude des interactions entre les espèces actives générées par un plasma non thermique et diverses surfaces de matériaux font l'objet de ce travail.Dans un premier temps, des polymères provenant de la biomasse ont été le sujet de nos recherches. Ils représentent une source importante de molécules plateforme telle que le glucose à partir desquelles peuvent être générés des produits de haute valeur ajoutée. Plus précisément, les effets d'un plasma à décharge à barrière diélectrique sur la structure et la dépolymérisation de l'inuline, de la cellulose et de l'amidon ont été étudiés. Une variatio
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39

Arora, Deepak. "Effect of non-thermal plasma on the bond strength of orthodontic brackets to enamel : an invitro study." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/54474.

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Objectives: Non-thermal plasma (NTP) has been used to modify enamel and dentin surfaces and improve the interfacial bonding of dental composite restorations. NTP is shown to cause super hydrophilic surface by decreasing the contact angle measurements and improve the quality of the adhesive - enamel and adhesive - dentin interface. We sought to determine the effects of NTP treatment on the bond strength of brackets to enamel. We investigated the application of NTP alone and in combination with phosphoric acid (PA) etching and assessed the outcomes after 24 hours and 1 month. Methods: 84 extrac
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40

Ceriani, Elisa. "Processi d'ossidazione avanzata indotti da plasma non-termico per la purificazione dell'acqua." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423773.

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Every day numerous sources contribute to contaminate water resources with different types of pollutants among which organic compounds represent a major fraction. Conventional remediation processes are not able to remove completely all these contaminants, especially when the compounds are persistent and resistant to oxidation or when they are present in small concentrations, with the consequent increase of probability of find them even in drinking water. The most innovative techniques recently applied to water purification are based on advanced oxidation processes that use highly reactive spec
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41

Lo, Yi-Ping. "A new individual-based modelling framework for bacterial biofilm growth applied to cold plasma treatment." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12311.

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Biofilms are colonies of bacteria attached to the surface at a solid-fluid interface. Bacteria in biofilm produce exopolysaccharides (EPS) that form a gel-like matrix in which the bacteria are embedded. Biofilms have numerous consequences in industrial and medical settings, both positive (bioreactors, digestion) and negative (blocking, as corrosive damage of materials/devices, food contamination, clinical infection). The use of antibiotics or mechanical clearing can be effective at removing biofilms, but such treatments are not always effective or appropriate in all situations. Recently, non-t
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42

Nizio, Magdalena. "Plasma catalytic process for CO2 methanation." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066607/document.

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Combiné à une demande en énergie croissante, les ressources limitées de pétrole et de gaz naturel nous obligent à rechercher des alternatives plus propres et de plus en plus efficaces pour la production d'énergie. L'hydrogène (H2) est considéré comme un vecteur énergétique prometteur. Cependant, il existe plusieurs problèmes liés à l'utilisation de H2, depuis son transport jusqu'à sa distribution. La transformation de la molécule de H2 peut s’effectuer par la synthèse d’un composé contenant du carbone, à savoir du méthane (CH4), offrant ainsi la possibilité d'utiliser le réseau de transport ex
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43

Eriksson, Jonas. "Synthesis of 11C-labelled Alkyl Iodides : Using Non-thermal Plasma and Palladium-mediated Carbonylation Methods." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Universitetsbibliotekt [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7171.

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44

Chong, Jun Jie. "The application of thermal, catalytic and non-thermal plasma oxidation processes to enhance NO-NO₂ oxidation in the engine exhaust and improve DPF regeneration at lower temperatures." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/3941/.

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Diesel Particulate Filter (DPF) is believed to be one of the most effective methods and provides an efficient system that traps more than 90% of PM. However, the soot accumulated within the filter requires a regeneration process to recover its performance. Thus, the high oxidation ability of NO-NO₂ increases the interest of applying it in the low temperature regeneration process. The intention of this thesis is to investigate several possibilities of on-board NO-NO₂ oxidation methods for increasing the NO₂/NO_x ratio in the exhaust gas. These possible oxidation routes incorporate the in-cylind
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Bouchoul, Nassim. "Valorisation du dioxyde de carbone par couplage plasma non-thermique et catalyse." Thesis, Poitiers, 2019. http://theses.univ-poitiers.fr/62720/2019-Bouchoul-Nassim-These.

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Le dioxyde de carbone et le méthane représentent les deux principaux gaz à effet de serre produits par l’Homme. Dans le contexte environnemental actuel, leur valorisation constitue un enjeu scientifique majeur. Cette thèse s’inscrit ainsi dans cet objectif de valorisation du CO2 et du CH4. Pour cela, la réaction de reformage sec du méthane a été réalisée par couplage plasma non-thermique et catalyse. De façon générale, des catalyseurs à base de métaux, comme Ni/Al2O3, sont utilisés lors du couplage plasma-catalyse. Toutefois, les résultats obtenus en termes de conversions et de sélectivités so
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Huang, Yaohua. "Non-thermal Plasma Inactivation of Bacillus Amyloliquefaciens spores." 2011. http://trace.tennessee.edu/utk_gradthes/980.

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Bacterial spores have remarkable resistance to a variety of harsh conditions, causing spoilage in food industry and becoming the primary bacterial agent in biowarfare and bioterrorism. In this study, inactivation mechanisms of Bacillus amyloliquefaciens (BA) spores by non-thermal plasma (NTP) were investigated by using Fourier-transform infrared spectroscopy (FTIR) as a major tool to exam spores after NTP treatment. Chemometric techniques, such as multivariate classification models based on soft independent modeling of Class Analogy (SIMCA) and Principal Component Analysis (PCA), were employed
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47

Taylan, Onur. "Synthesis gas production using non-thermal plasma reactors." Thesis, 2014. http://hdl.handle.net/2152/26035.

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Today we face the formidable challenge of meeting the fuel needs of a growing population while minimizing the adverse impacts on our environment. Thus, we search for technologies that can provide us with renewable fuels while mitigating the emission of global pollutants. To this end, use of non-thermal plasma processes can offer novel methods for efficiently and effectively converting carbon dioxide and water vapor into synthesis gas for the production of renewable fuels. Particularly, non-thermal plasma technologies offer distinct advantages over conventional methods including lower operating
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Lin, Hui-Pin, and 林惠萍. "Germicidal Effects of Non-Thermal Plasma on Bioaerosols." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/64081738302949358705.

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碩士<br>嘉南藥理科技大學<br>環境工程與科學系暨研究所<br>96<br>It has been known that lots of air pollutants exist in the indoor environment. It also has been reported that these pollutants, particularly bioaerosols, can cause a serious illness on human respiratory system. Therefore, an innovative non-thermal dielectric barrier discharges (DBD) plasma system was used to test its feasibility of removing bioaerosols in the study. The sterilization efficacy of bioaerosols by DBD plasma system was evaluated based on different pivotal parameters including types of bioaerosols, plasma power inputs and frequencies, rela
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Bourig, Ali [Verfasser]. "Combustion modification by non-thermal plasma / von Ali Bourig." 2009. http://d-nb.info/1002047153/34.

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Chan, Tsung-Yu, and 詹宗祐. "Tooth Bleaching With Non-Thermal Atmospheric-Pressure Plasma-Jet." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/42764322713331449813.

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碩士<br>中原大學<br>生物醫學工程研究所<br>102<br>The homemade cold atmospheric pressure helium plasma-jet tooth bleaching system was used in this study. The plasma equipment of the system was using the damping-like factor generator to coupling high voltage coil, and combined the cold atmospheric pressure plasma-jet device. The applied voltage and the discharge current of a damping waveform are 14.4 kV and 0.0145 A respectively. The frequency is 134 kHz and the total power of plasma-jet is 2.96 W with applied temperature 31oC. The active species were tested in the helium plasma by optical emission spectroscop
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