Дисертації з теми "Photocatalytic organic"
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Kolář, Michal. "Degradation of organic pollutants employing various photocatalytic systems." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2008. http://tel.archives-ouvertes.fr/tel-00731166.
Повний текст джерелаKolar, Michal. "Degradation of organic pollutants employing various photocatalytic systems." Clermont-Ferrand 2, 2008. http://www.theses.fr/2008CLF21885.
Повний текст джерелаWang, Yi. "Metal-organic and organic photosensitizers for photocatalytic hydrogen generation and carbon dioxide reduction." HKBU Institutional Repository, 2017. https://repository.hkbu.edu.hk/etd_oa/414.
Повний текст джерелаHamill, Noel Anthony. "Photocatalytic destruction of dichlorobutenes in waste water treatment." Thesis, Queen's University Belfast, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322954.
Повний текст джерелаLim, Leonard Lik Pueh. "In-situ photocatalytic remediation of organic contaminants in groundwater." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/238767.
Повний текст джерелаSommers, Jacob. "Towards Photocatalytic Overall Water Splitting via Small Organic Shuttles." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34607.
Повний текст джерелаNgwang, Helen Chonde. "Heterogeneous photocatalytic degradation studies of organic compounds in water." Thesis, Brunel University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393175.
Повний текст джерелаBouleghlimat, Emir. "Materials for the photocatalytic treatment of recalcitrant organic waste." Thesis, Cardiff University, 2017. http://orca.cf.ac.uk/107678/.
Повний текст джерелаDAVYDOV, LEV. "PHOTOCATALYTIC DEGRADATION OF ORGANIC CONTAMINANTS: NOVEL CATALYSTS AND PROCESS." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin995381776.
Повний текст джерелаDavydov, Lev. "Photocatalytic degradation of organic contaminants novel catalysts and process /." Cincinnati, Ohio : University of Cincinnati, 2001. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=ucin995381776.
Повний текст джерелаKuna, Ewelina Magdalena <1989>. "Spectroscopic study on diverse photocatalytic systems for organic transformations." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amsdottorato.unibo.it/9279/1/Kuna%20Ewelina%20Magdalena_PhD%20Thesis.pdf.
Повний текст джерелаMiao, Jing. "Simulated solar light assisted photocatalytic degradation of organic matters." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2015. https://ro.ecu.edu.au/theses/1638.
Повний текст джерелаLamprianidis, Panagiotis. "Photoredox catalysis with 10-phenyl-10H- phenothiazine and synthesis of a photocatalytic chiral proline-based organocatalyst." Thesis, KTH, Organisk kemi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-293510.
Повний текст джерелаApplikationer av photoredox-katalys med syftet att generera nya syntetiska vägar inom organisk och hållbar kemi är populära ämnen i organisk syntes idag. I denna studien undersöktes för första gången syntesen av en kiral prolinbaserad organokatalysator som är funktionaliserad med fotokatalytiska enheter (10-fenyl-10H-fenotiazin (PTH)). Den fotokatalytiska aktiviteten av PTH studerades för olika organiska reaktioner, såsom t.ex. dehalogenering av aromatiska halider och pinacolkopplingar mellan aromatiska aldehyder. Dessa transformationer är annars svåra att uppnå utan en lämplig fotokatalysator och reaktionerna utfördes med måttliga till höga utbyten.
Chen, Yi-Chuan. "Effect of Ultrasound on the Photocatalytic Degradation of Organic Compounds." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1029262093.
Повний текст джерелаBayless, Lynette Vera. "Photocatalytic oxidation of volatile organic compounds for indoor air applications." Thesis, Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1496.
Повний текст джерелаZhou, Guanliang. "Photocatalytic degradation of organic compounds using carbon based composite catalysts." Thesis, Curtin University, 2013. http://hdl.handle.net/20.500.11937/1328.
Повний текст джерелаDIONYSIOU, DIONYSIOS D. "ENGINEERED PROCESS FOR THE PHOTOCATALYTIC TREATMENT OF ORGANIC CONTAMINANTS IN WATER." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin981726931.
Повний текст джерелаMohamed, Elham Farouk. "Removal of organic compounds from water by adsorption and photocatalytic oxidation." Thesis, Toulouse, INPT, 2011. http://www.theses.fr/2011INPT0036/document.
Повний текст джерелаIn order to explore a new sequential process for water treatment its two steps, adsorption on activated carbon and in situ photocatalytic oxidative regeneration, were investigated successively. Several commercial activated carbons (AC) and sewage sludge based activated carbons (SBAC) were tested with several phenols and one dye as pollutants. Despite low BET surface SBAC exhibits convenient adsorption properties. Photocatalysis on TiO2 was carried out with several materials to achieve activated carbon adsorption- egeneration process: a multilayer tissue with fixed granular AC and TiO2 on a sheet, a composite with TiO2, CVD deposited on AC, and AC-TiO2 powder mixture for comparison. Promising results were obtained especially with TiO2 deposited on AC proving the vicinity of adsorption and photocatalytic sites to be beneficial
He, Xiang. "Metal-Organic Framework (MOF)-Based Materials: Aerosol Synthesis and Photocatalytic Applications." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5736.
Повний текст джерелаXiao, Qi. "Visible light photocatalytic synthesis of fine organic chemicals with new photocatalysts." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/84078/14/Qi_Xiao_Thesis.pdf.
Повний текст джерелаRiboni, F. "PHOTOCATALYTIC REACTIONS FOR ENERGY CONVERSION." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/244319.
Повний текст джерелаSass, Danielle. "Nano silver-Iron-reduced graphene oxide modified titanium dioxide photocatalyst for the remediation of Organic dye in water systems." University of the Western Cape, 2018. http://hdl.handle.net/11394/6274.
Повний текст джерелаDrinking water with high concentrations of inorganic and organic contaminants can cause adverse health defects. Specifically methyl orange dye is an organic water contaminant that has been known (along with others like methyl blue etc.) to have an increase in our water systems over the past few years due to increasing demand in industrial processes. It is therefore of utmost importance to remediate organic contaminants and ultimately enable prevention. The contaminants can be removed by photocatalysis. Anatase TiO2 is known for its photocatalytic degradation of environmental pollutants and photoelectro-chemical conversion of solar energy. However its application is limited since it is a wide band gap semiconductor, (Eg = 3.2 eV). The following study deals with the enhancement of the photocatalytic properties of TiO2 for remediation of organic water contaminants. The study was carried out to produce the two nanocomposites AgFe-TiO2 and AgFe-TiO2-rGO photocatalyst which purpose is to be cheap and easy to apply, with improved (fast and effective) photocatalytic degradation of methyl orange. The main objective was to decrease the band gap and to introduce intra-band gap states to absorb visible light. Modification of the TiO2 with small bandgap semiconductor, graphene and Ag- Fe nanoalloy reduced the bandgap energy for visible light absorption and photocatalytic degradation of methyl orange dye. The two composites were synthesised using sonication and chemical synthesis methods. A photocatalytic study (degradation of methyl orange dye) was carried out using a system incorporating an UV lamp source to determine the degradation of methyl orange catalysed by the synthesised photocatalysts AgFe-TiO2-rGO and AgFe-TiO2 along with UV-vis Spectroscopy. Morphological studies were carried out using HRSEM and HRTEM which determined the spherical agglomerated nature of AgFe-TiO2 and the sheet-like nature of AgFe-TiO2-rGO containing spherical agglomerants but that also contained pockets formed by the sheets of the rGO. XRD served as confirmation of the phase of TiO2 in both composites to be anatase. Analysis confirmed the formation and elemental determination of both composites. It was observed that the Band gap of TiO2 degussa decreased from 2.94 eV to 2.77 eV in the composite AgFe-TiO2. The photocatalytic reactivity of AgFe- TiO2 was an improvement from TiO2 and AgFe-TiO2-rGO based on the photocatalytic study. Therefore concluding that AgFe-TiO2 was the best catalyst to convert the dye (Orange II) into free radicals and ultimately remove the contaminant from the water compared to AgFe-TiO2-rGO.
Tokode, Oluwatosin. "Photocatalytic destruction of volatile organic compounds from the oil and gas industry." Thesis, Robert Gordon University, 2014. http://hdl.handle.net/10059/1134.
Повний текст джерелаNoganta, Siyasanga. "Photocatalytic degradation of organic pollutants using Ag-Fe₃O₄/SiO₂/TiO₂ nanocomposite." Thesis, University of the Western Cape, 2015. http://hdl.handle.net/11394/5208.
Повний текст джерелаThe global lack of clean water for human sanitation and other purposes has become an emerging dilemma for human beings. The presence of organic pollutants in wastewater produced by textile industries, leather manufacturing and chemical industries is an alarming matter for a safe environment and human health. For the last decades, conventional methods have been applied for the purification of water but due to industrialization these methods fall short. Advanced oxidation processes and their reliable application in degradation of many contaminants have been reported as a potential method to reduce and/or alleviate this problem. Lately, it has been assumed that incorporation of some metal nanoparticles such as magnetite nanoparticles as photocatalyst for Fenton reaction could improve the degradation efficiency of contaminants. Core/shell nanoparticles, are extensively studied because of their wide applications in the biomedical, drug delivery, electronics fields and water treatment. The current study is centred on the synthesis of silver-doped Fe₃O₄/SiO₂/TiO₂ photocatalyst. Magnetically separable Fe₃O₄/SiO₂/TiO₂ composite with core–shell structure were synthesized by the deposition of uniform anatase TiO₂ NPs on Fe₃O₄/SiO₂ by using titanium butoxide (TBOT) as titanium source. Then, the silver is doped on TiO₂ layer by hydrothermal method. Integration of magnetic nanoparticles was suggested to avoid the post separation difficulties associated with the powder form of the TiO₂ catalyst, increase of the surface area and adsorption properties. Lastly and most importantly magnetic nanoparticles upsurge the production of hydroxyl groups or reduced charge recombination. The a synthesized catalysts were characterized using Transmission Electron Microscopy, X-ray Diffraction; Infra-red Spectroscopy, Scanning Electron Microscope and Energy Dispersive Spectroscopy. Other characterization techniques includeVibrating Sample Magnetometry, Brunauer Emmett Teller analysis and Thermogravimetric analysis. The average size of the particles size is 72 nm. Furthermore the photocatalytic performances of the magnetic catalysts were assessed in comparison with that commercial titanium dioxide for the degradation of methylene blue using photochemical reactor under ultra violet light. The results showed that the photocatalytic activity was enhanced using Fe₃O₄/SiO₂/TiO₂ and Ag-Fe₃O₄/SiO₂/TiO₂ compared with that for Fe₃O₄, commercial titanium dioxide powder.
Meredith, Sylvia. "Synthesis of a Zinc Dipyrrin Complex for Photocatalytic Reduction of CO2." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/honors/645.
Повний текст джерелаHakki, Amer [Verfasser]. "Novel photocatalytic organic synthesis : cyclization and N-alkylation of nitroaromatic compounds / Amer Hakki." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2013. http://d-nb.info/1049226887/34.
Повний текст джерелаBalayeva, Narmina Oktay [Verfasser]. "Visible-light-driven photocatalytic organic synthesis with surface modified TiO2-composites / Narmina Balayeva." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020. http://d-nb.info/1216240957/34.
Повний текст джерелаBalayeva, Narmina [Verfasser]. "Visible-light-driven photocatalytic organic synthesis with surface modified TiO2-composites / Narmina Balayeva." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020. http://d-nb.info/1216240957/34.
Повний текст джерелаBOSCHETTI, MICOL. "Water decontamination from organic micropollutants via photocatalytic solar systems based on WO3 photoanodes." Doctoral thesis, Università degli studi di Ferrara, 2020. http://hdl.handle.net/11392/2488195.
Повний текст джерелаNell'ambito del trattamento delle acque è emersa la necessità di sviluppare nuovi materiali e processi al fine di consentire un'efficiente rimozione di contaminanti emergenti, quali droghe e antibiotici, attualmente presenti nei bacini idrici, sfruttando un approccio sostenibile. I metodi di fotocatalisi e di fotoelettrocatalisi innescati da luce solare sono tra i processi di ossidazione avanzata più efficaci per la decontaminazione delle acque. Tali metodi sono basati sull'interazione in acqua di luce solare con ossidi semiconduttori; questa interazione genera specie chimiche altamente reattive, capaci di ossidare i microinquinanti organici, quindi purificando l'acqua. In questo lavoro sono presentati due dispositivi solari, ossia un concentratore solare e un reattore autonomo modulare, il cui principio di funzionamento si basa sui processi di fotocatalisi e fotoelettrocatalisi. Come materiale attivo integrato all'interno dei dispositivi solari è stato studiato il triossido di tungsteno nanostrutturato. In particolare, diverse tecniche di realizzazione (solvotermale, anodizzazione elettrochimica, e sol-gel) sono state caratterizzate sfruttando substrati in vetro e metallo. Gli elettrodi basati su WO3 hanno raggiunto fotocorrenti di 1-5 mA/cm2, consistenti con quelle riportate in letteratura, e un'attivazione nella parte visibile dello spettro solare fino a 470 nm. I test di fotodegradazione, effettuati su alcuni specifici medicinali, hanno mostrato notevoli risultati, con un abbattimento pressoché totale di alcuni inquinanti, e una diminuzione di oltre il 60% del COD (Domanda Chimica di Ossigeno) in 1 ora. Entrambi i dispositivi solari possono essere ampliati in un prossimo futuro a scopi industriali per il trattamento terziario delle acque, sfruttando un processo sostenibile, senza costi energetici aggiuntivi e con una possibile produzione di idrogeno come valore aggiunto al processo di decontaminazione.
Weymouth-Wilson, Alexander Charles. "The photocatalytic addition of alcohols to 5-substituted furan-2(5H)-ones : scope and utility." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320550.
Повний текст джерелаCalder, Raymond Michael. "An investigation into the photocatalytic activity of titanium dioxide." Thesis, University of St Andrews, 1990. http://hdl.handle.net/10023/2680.
Повний текст джерелаHo, Po Yu. "New molecular materials for organic and dye-sensitized solar cells and photocatalytic hydrogen generation." HKBU Institutional Repository, 2016. https://repository.hkbu.edu.hk/etd_oa/280.
Повний текст джерелаBALASUBRAMANIAN, GANESH. "EVALUATING THE EFFECT OF SELECTED PROCESS PARAMETERS ON THE PHOTOCATALYTIC DEGRADATION OF ORGANIC POLLUTANTS." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1012410668.
Повний текст джерелаSass, Danielle Thandi. "Nano silver-iron-reduced graphene oxide modified titanium dioxide photocatalyst for the remediation of organic dye in water systems." University of the Western Cape, 2018. http://hdl.handle.net/11394/6410.
Повний текст джерелаDrinking water with high concentrations of inorganic and organic contaminants can cause adverse health defects. Specifically methyl orange dye is an organic water contaminant that has been known (along with others like methyl blue etc.) to have an increase in our water systems over the past few years due to increasing demand in industrial processes. It is therefore of utmost importance to remediate organic contaminants and ultimately enable prevention. The contaminants can be removed by photocatalysis. Anatase TiO2 is known for its photocatalytic degradation of environmental pollutants and photoelectro-chemical conversion of solar energy. However its application is limited since it is a wide band gap semiconductor, (Eg = 3.2 eV). The following study deals with the enhancement of the photocatalytic properties of TiO2 for remediation of organic water contaminants.
2021-12-31
James, Derak J. "Synthesis and photocatalytic activity of the MoS₂ and WS₂ nanoparticles in degradation of organic compounds." Muncie, Ind. : Ball State University, 2009. http://cardinalscholar.bsu.edu/653.
Повний текст джерелаRezaei, Reza. "The impact of natural organic matter (NOM) on photocatalytic process for the degradation of micropollutants." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/60814.
Повний текст джерелаApplied Science, Faculty of
Chemical and Biological Engineering, Department of
Graduate
James, Derak J. "Synthesis and photocatalytic activity of the MoS2 and WS2 nanoparticles in degradation of organic compounds." CardinalScholar 1.0, 2009. http://liblink.bsu.edu/uhtbin/catkey/1503981.
Повний текст джерелаSynthesis of the sulfide photocatalysts -- Characterization of synthesized nanoparticles -- Photocatalytic degradation tests : setup and protocols -- Photocatalytic degradation tests : results.
Department of Chemistry
AlSalka, Yamen [Verfasser]. "Photocatalytic Water Splitting for Solar Hydrogen Production and Simultaneous Decontamination of Organic Pollutants / Yamen AlSalka." Hannover : Gottfried Wilhelm Leibniz Universität, 2020. http://d-nb.info/1213445957/34.
Повний текст джерелаNgo, Thuhuong T. "Photocatalytic Reduction of CO2 with Tunable Bandgap and Bandedge Materials." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6551.
Повний текст джерелаMapukata, Sivuyisiwe. "Photocatalytic treatment of organic and inorganic water pollutants using zinc phthalocyanine-cobalt ferrite magnetic nanoparticle conjugates." Thesis, Rhodes University, 2019. http://hdl.handle.net/10962/67603.
Повний текст джерелаLiao, Longfei [Verfasser], Regina [Akademischer Betreuer] Palkovits, and Marcel [Akademischer Betreuer] Liauw. "Photocatalytic selective oxidation of alcohols over triazine-based organic polymers / Longfei Liao ; Regina Palkovits, Marcel Liauw." Aachen : Universitätsbibliothek der RWTH Aachen, 2021. http://d-nb.info/1235221792/34.
Повний текст джерелаVildozo, Daniel. "Performance study of photocatalytic oxidation for the abatement of volatile organic compounds from indoor air environments." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10110.
Повний текст джерелаMany commercial systems based in the photocatalytic technology have reached the market recently in order to address the growing demand for improve poor indoor air qualities. The present work deals with the development of a new methodology in order to evaluate the efficiency of this process. For the study of photocatalytic oxidation for indoor air applications, an experimental set-up was designed and two analytical tools (ATD-GC-MS and GC-PDHID) were developed. The performance of the photocatalytic treatment of 2-propanol and toluene at indoor air concentrations levels (ppbv) were realised. The influence of several parameters and their interactions effects on the conversion, by-product formation and mineralization to CO2 were established
Huang, Yan. "Synthesis, Kinetic and Photocatalytic Studies of Porphyrin-Ruthenium-Oxo Complexes." TopSCHOLAR®, 2010. http://digitalcommons.wku.edu/theses/182.
Повний текст джерелаHarianto, Rina. "Design of a Novel Thin Film Reactor for Photocatalytic Water Treatment Process." Miami University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=miami1604335732713241.
Повний текст джерелаGao, Yao. "A Novel Multifunctional Photocatalytic Oxidation (PCO) Gel Preventing Mold/Mildew Growth and Volatile Organic Compound (VOC) Emission." Scholarly Repository, 2011. http://scholarlyrepository.miami.edu/oa_dissertations/623.
Повний текст джерелаAtitar, Mohamed Faycal [Verfasser]. "Surface interactions and kinetics of TiO2 photocatalytic oxidation of organic pollutants in aqueous solution / Mohamed Faycal Atitar." Hannover : Technische Informationsbibliothek (TIB), 2018. http://d-nb.info/1166088022/34.
Повний текст джерелаKralik, Antonin [Verfasser], and Burkhard [Akademischer Betreuer] König. "Heterogeneous photocatalytic water splitting as a source of redox equivalents for organic synthesis / Antonin Kralik ; Betreuer: Burkhard König." Regensburg : Universitätsbibliothek Regensburg, 2019. http://d-nb.info/1196873445/34.
Повний текст джерелаTilgner, Dominic [Verfasser], and Rhett [Akademischer Betreuer] Kempe. "The Modification of Porous Coordination Polymers or Metal-Organic Frameworks for Photocatalytic Applications / Dominic Tilgner ; Betreuer: Rhett Kempe." Bayreuth : Universität Bayreuth, 2018. http://d-nb.info/1163319139/34.
Повний текст джерелаAkly, Christina. "Counter flow silica-titania photocatalytic reactor for the simultaneous treatment of air and water contaminated with volatile organic compounds." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024998.
Повний текст джерелаZhai, Yuxin. "Spectroscopic Studies of Adsorbed CO2 on Polyamines and Photo-generated Electrons in Photocatalytic Synthesis." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1538145926835136.
Повний текст джерела