Dissertations / Theses on the topic 'Bimetallo'
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Bincoletto, Tatiana. "Le barriere reattive permeabili: sperimentazioni sul materiale Cu/Al per la decontaminazione di acque da solventi clorurati." Doctoral thesis, Università degli studi di Trieste, 2009. http://hdl.handle.net/10077/3254.
Full textLe problematiche ambientali relative alla potenziale presenza di composti organici clorurati, quali il tetraclorocarbonio, il cloroformio e il diclorometano, sono molto diffuse e di difficile risoluzione. Tali composti possono essere riscontrati in siti interessati, sia attualmente che nel passato, da attività di vario genere tra cui quella di produzione farmaceutica, alimentare e chimica. Sono in atto, oggigiorno, molteplici sperimentazioni finalizzate alla decontaminazione delle acque, siano esse di falda, di ruscellamento o di derivazione industriale, da tali composti. Una delle tecnologie che, negli ultimi anni, ha fornito risultati eccellenti per la decontaminazione di acque da varie tipologie di inquinanti tra cui quelli oggetto del presente lavoro, riguarda l’applicazione di barriere reattive permeabili. In particolare, gli studi riguardano la sperimentazione di materiali reattivi risultati efficaci anche per il trattamento di composti organici clorurati. La ricerca svolta si è concentrata sulla preparazione, sulla caratterizzazione e sulla sperimentazione di un materiale bimetallico reattivo a base di alluminio e rame per la decontaminazione di acque da tetraclorometano e da diclorometano. Le varie tipologie di bimetallo sono state realizzate utilizzando una soluzione di solfato di rame (uso agricolo) puro al 98.3 %, dell’idrossido di sodio in granuli e polveri di alluminio con un grado di purezza pari al 99.5% di cui sono state scelte cinque diverse classi granulometriche al fine di verificarne l’influenza sulle capacità reattive per il processo di decontaminazione. Sono stati prodotti 3 gruppi distinti di materiali Cu/Al in base sia alla quantità di polvere di alluminio utilizzata in fase di preparazione del materiale sia alla presenza o meno di processi di lavaggio del materiale post-formazione. La caratterizzazione del materiale è avvenuta attraverso analisi diffrattometriche e analisi in microscopia elettronica a scansione (SEM) che hanno permesso di individuarne la struttura e di identificarne le fasi cristalline che lo compongono. Le sperimentazioni per testare l’attività dei materiali sono state condotte in batch con acque contaminate da tetraclorometano o diclorometano a concentrazioni dell’ordine delle ppm ovvero superiori ai limiti imposti dalla Tab. 2 Allegato 5 (Tit.V) del DLgs 152/06 per le acque sotterranee. Le analisi chimiche, eseguite con un Purge and Trap interfacciato a un gascromatografo accoppiato ad uno spettrometro di massa, sono state realizzate presso i laboratori Hydrotech S.r.l. - Area Science Park, Padriciano, 99 - Trieste. La metodologia di analisi ha permesso di quantificare le percentuali di abbattimento di contaminante sia nel caso del tetraclorometano che del diclorometano e di verificare la formazione di prodotti secondari o di degradazione.
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Zhu, Chengzhou, Dan Wen, Martin Oschatz, Matthias Holzschuh, Wei Liu, Anne-Kristin Herrmann, Frank Simon, Stefan Kaskel, and Alexander Eychmüller. "Kinetically controlled synthesis of PdNi bimetallic porous nanostructures with enhanced electrocatalytic activity." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-208520.
Full textAtmatzakis, Evangelos. "Bimetallic photonic metamaterials." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/399982/.
Full textMorris, James Alan. "Palladium-ruthenium bimetallic cascades." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405707.
Full textMigliaccio, Luca. "Bimetallic catalysts for CO2 electroreduction." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14470/.
Full textMerrifeild, Ruth Corrin. "Bimetallic Nanoclusters and Protein Interactions." Thesis, University of Birmingham, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522011.
Full textCooper, Ian Ronald. "Palladium-indium bimetallic cascade processes." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401087.
Full textDavies, S. J. R. "The structure of bimetallic catalysts." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373245.
Full textEnce, Chloe Christine. "Organic Synthesis using Bimetallic Catalysis." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8397.
Full textKühn, Laura. "Bimetallic aerogels for electrocatalytic applications." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-226469.
Full textBerg, Katja E. "Bimetallic model compounds for artificial photosynthesis /." Stockholm, 1997. http://www.lib.kth.se/abs98/berg0109.pdf.
Full textSimpkins, Simon M. E. "Bimetallic organoiron dipoles as NLO materials." Thesis, University of East Anglia, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365015.
Full textMacLeod, Norman. "Alloy formation in bimetallic reforming catalysts." Thesis, University of Glasgow, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388553.
Full textMcCaffrey, Shaun. "Enantioselective Pd/In bimetallic cascade processes." Thesis, University of Leeds, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.432336.
Full textCampbell, Steven Bruce. "Characterisation of bimetallic diesel oxidation catalysts." Thesis, University of Aberdeen, 2014. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=211242.
Full textSchütze, Mike. "Bimetallic Complexes for Cooperative Polymerization Catalysis." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E4A0-A.
Full textJudd, Lawrence. "Bimetallic complexes of meta-substituted phosphinobenzenes." Thesis, University of Warwick, 1988. http://wrap.warwick.ac.uk/110018/.
Full textMauland, Eirik. "Utherdbare bimetall materialer fremstilt ved skrueekstrudering: AA 6060/ren magnesium." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for materialteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-21845.
Full textHuang, Wei. "Selective hydrogenation on zeolite-supported bimetallic catalysts." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 0.90 Mb., p. 76, 2005. http://proquest.umi.com/pqdlink?did=1037889271&Fmt=7&clientId=8331&RQT=309&VName=PQD.
Full textZhou, Shenghu. "Architecturally controlled bimetallic nanoparticles for heterogeneous catalysis." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6722.
Full textThesis research directed by: Chemistry. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Beck, Victoria Holly. "Synthesis and characterisation of bimetallic organometallic complexes." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403935.
Full textMaggini, Simona. "Novel phosphinooxazolines as precursor of bimetallic systems." Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433366.
Full textNanada, Swagata. "Bimetallic alkoxides as potential lewis acid catalysts." Thesis, University of Newcastle Upon Tyne, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533694.
Full textChiffey, Andrew Francis. "Bimetallic compounds of palladium, platinum and gold." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294602.
Full textCambanis, George. "Platinum bimetallic catalysts for fuel cell applications." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37958.
Full textHardeman, David. "Growth of carbon nanotubes using bimetallic catalysts." Thesis, University of Cambridge, 2016. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709528.
Full textWells, Jordann Ashley Logan Slovenne Denis. "Bimetallic actinide complexes for small molecule activation." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31167.
Full textLuo, Kai. "Spectroscopic characterization of monometallic and bimetallic model catalysts." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1709.
Full textRoudgar, Ataollah. "Local reactivity of bimetallic overlayer and cluster systems." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=971640084.
Full textScherlin, Freddy. "Synthesis and characterization of bimetallic platinum-thallium compounds." Thesis, Linköping University, The Department of Physics, Chemistry and Biology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15403.
Full textThe solid bimetallic compounds TtPt(CN)4(ClO4) and TtPt(CN)4(NO3) have been prepared by reactions between tetracyanoplatinate complex [Pt(CN)4]2- and aqueous solutions of Tl(ClO4)3 and Tl(NO3)3, respectively. The elemental analysis (N, C, H, Tl) of the compound has been carried out. The results of the analysis are reasonably consistent with the above compositions of the compounds. The bimetallic compounds have been characterized by IR and Raman spectroscopy as well as X-ray diffraction. IR and Raman spectra of the Tl-Pt compounds confirm presence of the perchlorate and nitrate counter ions in the solid. The presence of a direct Tl-Pt metal-metal bond in the compounds is confirmed by appearance of a strong vibrational band the low frequency region of the vibrational spectra.
Gjervan, Torbjørn. "Studies of bimetallic particle formation in reforming catalysts." Doctoral thesis, Norwegian University of Science and Technology, Department of Chemical Engineering, 2000. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-1482.
Full textRademacher, Carolin [Verfasser]. "Synthesis and analysis of bimetallic nanoparticles / Carolin Rademacher." Bielefeld : Universitätsbibliothek Bielefeld, 2014. http://d-nb.info/1052627609/34.
Full textCollins, Richard. "Bimetallic group 4 complexes as olefin polymerisation catalysts." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:f6cad6bf-c925-4cda-9797-7b1916f98a0f.
Full textPersson, Katarina. "Bimetallic palladium catalysts for catalytic combustion of methane." Licentiate thesis, Stockholm, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-332.
Full textSnyder, Brian. "An investigation into bimetallic hollow nanoparticles in catalysis." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47614.
Full textO'Brien, S. D. "The preparation and properties of bimetallic hydrogenation catalysts." Thesis, Queen's University Belfast, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421011.
Full textNuttall, Christopher John. "Bimetallic tris-oxalate magnets : synthesis structure and properties." Thesis, University College London (University of London), 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299144.
Full textMarshall, Robert. "Preparation of bimetallic catalysts by surface organometallic chemistry." Thesis, Open University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265345.
Full textChantry, Ruth L. "Characterising the structure and properties of bimetallic nanoparticles." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4500/.
Full textKhimyak, Tetyana. "New bimetallic clusters - precursors for heterogeneous nano-catalysts." Thesis, University of Cambridge, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620698.
Full textWise, Anna MacDonald. "Characterisation of bimetallic alloy and core-shell electrocatalysts." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/341819/.
Full textVan, Aswegen Sivan. "Exploring heterogeneous bimetallic nanoparticle catalysts for sustainable oxidations." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/415218/.
Full textSundavadra, Bharat Viram. "The organometallic chemistry of alkyne-bridged bimetallic complexes." Thesis, University of Cambridge, 1993. https://www.repository.cam.ac.uk/handle/1810/272569.
Full textLee, Adam Fraser. "Structural and catalytic properties of bimetallic Pd systems." Thesis, University of Cambridge, 1995. https://www.repository.cam.ac.uk/handle/1810/273061.
Full textDylla, Anthony Greg. "Synthesis, characterization and catalytic properties of bimetallic nanoparticles." College Park, Md.: University of Maryland, 2009. http://hdl.handle.net/1903/9609.
Full textThesis research directed by: Dept. of Chemistry and Biochemistry. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Moon, Il Kweon. "Optical performance of bimetallic mirrors in thermal environments." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/279805.
Full textVei, Ino C. "Studies on new diiminodiphosphine-type ligands and their metal complexes." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269491.
Full textFotheringham, John David. "Heterobimetallic complexes of the platinum group metals." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/10906.
Full textDevarajan, Supriya. "Nanostructured Assemblies Based On Metal Colloids And Monolayers: Preparation, Characterisation And Studies Towards Novel Applications." Thesis, Indian Institute of Science, 2005. http://hdl.handle.net/2005/176.
Full textYi, Cheol-Woo. "Surface spectroscopic studies of mono- and bimetallic model catalysts." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4787.
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