Academic literature on the topic 'Vanadium silicates'

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Journal articles on the topic "Vanadium silicates"

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Rao, P. R. H. P., A. A. Belhekar, S. G. Hegde, A. V. Ramaswamy, and P. Ratnasamy. "Studies on Crystalline Microporous Vanadium Silicates." Journal of Catalysis 141, no. 2 (1993): 595–603. http://dx.doi.org/10.1006/jcat.1993.1166.

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Reddy, K. R., A. V. Ramaswamy, and P. Ratnasamy. "Studies on Crystalline Microporous Vanadium Silicates." Journal of Catalysis 143, no. 1 (1993): 275–85. http://dx.doi.org/10.1006/jcat.1993.1272.

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Wang, Xiqu, Lumei Liu, and Allan J. Jacobson. "Open-Framework and Microporous Vanadium Silicates." Journal of the American Chemical Society 124, no. 26 (2002): 7812–20. http://dx.doi.org/10.1021/ja020354l.

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Lee, Dong-Jin, Sung-Gap Lee, Min-Ho Kim, and Kyeong-Min Kim. "Electrical Properties of Vanadium-doped Lanthanium Silicates for SOFCs." Journal of the Korean Institute of Electrical and Electronic Material Engineers 28, no. 5 (2015): 295–99. http://dx.doi.org/10.4313/jkem.2015.28.5.295.

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Kouznetsova, T. F., A. I. Ivanets, and V. S. Komarov. "Low-temperature synthesis of mesoporous M41S metal-silicates and their adsorption and capillary-condensation properties." Proceedings of the National Academy of Sciences of Belarus, Chemical Series 55, no. 3 (2019): 338–44. http://dx.doi.org/10.29235/1561-8331-2019-55-3-338-344.

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Low-temperature synthesis of the mesoporous silicates containing d-metals is carried out. The measured isotherms of low-temperature nitrogen adsorption-desorption by chrome, vanadium and zirconium silicate adsorbents belong to Type IV (b) of sorption isotherms on IUPAC classification. Such isothermal curves are inherent in mesoporous systems with the M41S type of ordering of the making elements. Increasing рН of sedimentation and metal content lead to amorphization of samples and distortion of a supramolecular lattice with uniform regular geometry and a long-range ordering.
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Li, Xing Bin, Chang Wei, Zhi Gan Deng, Min Ting Li, Cun Xiong Li, and Hong Sheng Xu. "Acid Leaching of Vanadium from a Vanadium Residue." Advanced Materials Research 402 (November 2011): 243–48. http://dx.doi.org/10.4028/www.scientific.net/amr.402.243.

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A process has been developed at the laboratory scale for leaching of vanadium from a vanadium residue using mixed hydrofluoric and sulfuric acid solutions, and NaClO as an oxidant. The extraction studies were carried out using various acid concentrations, liquid/solid ratios, addition of oxidant, reaction temperatures and leaching times. The optimum leaching conditions were then determined. Characterization of the leach residues was carried out by SEM and EDS analysis. Results indicate that the silicates can be effectively destroyed by HF, and the vanadium contained in the vanadium-iron spinel
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Wang, Xiqu, Lumei Liu, and Allan J. Jacobson. "ChemInform Abstract: Open-Framework and Microporous Vanadium Silicates." ChemInform 33, no. 38 (2010): no. http://dx.doi.org/10.1002/chin.200238020.

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Rao, P. R. Hari Prasad, and A. V. Ramaswamy. "Oxyfunctionalization of alkanes with H2O2 catalysed by vanadium silicates." Journal of the Chemical Society, Chemical Communications, no. 17 (1992): 1245. http://dx.doi.org/10.1039/c39920001245.

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Luca, Vittorio, Dugald J. MacLachlan, and Keith Morgan. "Synthesis and Characterization of Porous Vanadium Silicates in Organic Medium." Chemistry of Materials 9, no. 12 (1997): 2720–30. http://dx.doi.org/10.1021/cm960621k.

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Kornatowski, Jan, Blanka Wichterlová, Jaromir Jirkovský, Elke Löffler, and Walter Pilz. "Spectroscopic studies of vanadium-substituted zeolitic silicates of MFI topology." J. Chem. Soc., Faraday Trans. 92, no. 6 (1996): 1067–78. http://dx.doi.org/10.1039/ft9969201067.

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Dissertations / Theses on the topic "Vanadium silicates"

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Velasco, Nelson. "Synthèse et caractérisation de métallosilicates au vanadium." Poitiers, 1994. http://www.theses.fr/1994POIT2369.

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L'objectif principal de ce travail est la synthese, par la methode sol-gel, de zeolithes a structure mfi refermant du vanadium dans le reseau (vanadosilicalite) et leur caracterisation par differentes techniques physico-chimiques (uv-vis. , rmn#5#1v ram, rpe, ir et drx). Le choix de precurseurs de vanadium et de silicium du type alcoxyde semble necessaire pour la synthese de la vanadosilicalite, mais il faut eviter l'hydrolyse trop rapide de l'un de ces precurseurs. Le solide cristallise a partir de l'ethoxyde de silicium et de l'ethoxyde ou du methoxyde de vanadium presente une faible quantit
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OLIVEIRA, RENE R. de. "Estudo do efeito da tensão residual na microdeformação da rede cristalina e no tamanho de cristalito em aço Cr-Si-V jateado com granalhas de aço." reponame:Repositório Institucional do IPEN, 2016. http://repositorio.ipen.br:8080/xmlui/handle/123456789/27497.

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Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-05-25T11:30:49Z No. of bitstreams: 0<br>Made available in DSpace on 2017-05-25T11:30:49Z (GMT). No. of bitstreams: 0<br>No presente trabalho foram estudados alguns efeitos causados pelo jateamento por granalhas no aço Cr-Si-V, processo que tem por objetivo aumentar a resistência à fadiga. Para este estudo a variação de parâmetros no processo são ferramentas para melhor compreender os mecanismos que influenciam esta propriedade. Os parâmetros utilizados neste trabalho foram a variação da granalha e o pré tensionamento das
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Roberge, Dominique. "Silicalites au vanadium et au titane pour la réduction sélective des oxydes d'azote." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq26035.pdf.

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Ndipingwi, Miranda Mengwi. "Graphol and vanadia-linkedzink-doped lithium manganese silicate nanoarchitectonic platforms for supercapatteries." University of Western cape, 2020. http://hdl.handle.net/11394/7236.

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Philosophiae Doctor - PhD<br>Energy storage technologies are rapidly being developed due to the increased awareness of global warming and growing reliance of society on renewable energy sources. Among various electrochemical energy storage technologies, high power supercapacitors and lithium ion batteries with excellent energy density stand out in terms of their flexibility and scalability. However, supercapacitors are handicapped by low energy density and batteries lag behind in power. Supercapatteries have emerged as hybrid devices which synergize the merits of supercapacitors and batteries
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Ndipingwi, Miranda Mengwi. "Graphol and vanadia-link zin doped lithium manganese silicate nanoarchitectonic platforms for supercapatteries." University of the Western Cape, 2020. http://hdl.handle.net/11394/7611.

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Doctor Educationis<br>Energy storage technologies are rapidly being developed due to the increased awareness of global warming and growing reliance of society on renewable energy sources. Among various electrochemical energy storage technologies, high power supercapacitors and lithium ion batteries with excellent energy density stand out in terms of their flexibility and scalability. However, supercapacitors are handicapped by low energy density and batteries lag behind in power. Supercapatteries have emerged as hybrid devices which synergize the merits of supercapacitors and batte
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Lu, Xinnan. "Optimizing vanadium dispersion in mesoporous silicas using different anchoring metal ions for C-C catalytic bond cleavage in lignin degradation." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN070/document.

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Dans le cadre du développement durable, les procédés rapides, propres et peu énergivores sont très recherchés particulièrement en chimie pour les réactions d’oxydation. A part les solutions de génie des procédés, la catalyse est l’un des meilleurs atouts pour améliorer le processus. Le vanadium étant l’un des meilleurs métaux catalytiques pour de tels réactions, nous avions à nous attaquer son problème de relargage dans le milieu réactionnel en vue d’applications acceptables pour l’environnement. Nous proposons donc dans cette thèse des catalyseurs au vanadium fixé à l’intérieur des nano pores
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Vasconcellos, Adriano de [UNESP]. "Sínteses e caracterização de novos catalisadores zeolíticos e sua como suportes inorgânicos para imobilização de lipase produzida por Rhizomucor miehei e seu estudo catalítico na reação de transesterificação do óleo de soja para produção de biodiesel." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/94838.

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Made available in DSpace on 2014-06-11T19:27:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-11-08Bitstream added on 2014-06-13T19:55:53Z : No. of bitstreams: 1 vasconcellos_a_me_sjrp.pdf: 3559439 bytes, checksum: 7626ad7d7fb3ecc2909ae46dc06812db (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Os principais objetivos do presente trabalho de pesquisa são a síntese de novos catalisadores zeolíticos, a avaliação de seus usos como possíveis matrizes para imobilização enzimática, e o uso desse complexo zeólita/enzima como catalisador para produção de biodiesel.
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Vasconcellos, Adriano de. "Sínteses e caracterização de novos catalisadores zeolíticos e sua como suportes inorgânicos para imobilização de lipase produzida por Rhizomucor miehei e seu estudo catalítico na reação de transesterificação do óleo de soja para produção de biodiesel /." São José do Rio Preto : [s.n.], 2010. http://hdl.handle.net/11449/94838.

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Orientador: José Geraldo Nery<br>Banca: Eleni Gomes<br>Banca: José Manoel Marconcini<br>Resumo: Os principais objetivos do presente trabalho de pesquisa são a síntese de novos catalisadores zeolíticos, a avaliação de seus usos como possíveis matrizes para imobilização enzimática, e o uso desse complexo zeólita/enzima como catalisador para produção de biodiesel. Inicialmente foram sintetizadas duas classes de zeólitas: faujasita (FAU) e gismondina (GIS), em suas formas sódicas, e estas zeólitas foram convertidas para as formas Cu2+, Ni2+ e Zn2+ por troca iônica. Na sequência foi avaliado o pote
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Lee, Veronica. "A Combined Theoretical and Experimental Study on Deposition of Solid State Materials." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1707299/.

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Deposition of solid state materials span a wide variety of methods and often utilize high energy sources such as plasmas and ultra-violet light resulting in a wide variety of characteristics and applications. A fundamental understanding is essential for furthering the applications of these materials which include catalysis, molecular filtration, electronics, sensing devices, and energy storage among others. A combination of experimental and theoretical work is presented here on several materials including 2D silicates on Pd, boron oxide, and vanadium oxynitride. Silicate formation under low en
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Hsieh, Chan-Yen, and 謝忱彥. "Synthesis, Crystal Structures and Propertics of Vanadium Silicates." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/63532984618122948098.

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Book chapters on the topic "Vanadium silicates"

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Wing, Douglas R., Alexis G. Clare, and Linda E. Jones. "The Effects of Vanadium Additions on the Surface Tension of Soda Lime Silicate Melts." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118405949.ch13.

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Hari Prasad Rao, P. R., K. Ramesh Reddy, A. V. Ramaswamy, and P. Ratnasamy. "Selective Oxidation Reactions Over Vanadium Silicate Molecular Sieves." In Studies in Surface Science and Catalysis. Elsevier, 1993. http://dx.doi.org/10.1016/s0167-2991(08)63344-3.

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Redkina, A. V., and N. D. Konovalova. "DEVELOPMENT OF VANADIUM OXIDE ZIRCONIUM SILICATE CATALYST FOR REACTION OF PROPANE DEHYDROGENATION." In MODERN ENGINEERING RESEARCH: TOPICAL PROBLEMS, CHALLENGES AND MODERNITY. Izdevnieciba “Baltija Publishing”, 2020. http://dx.doi.org/10.30525/978-9934-588-47-1.19.

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Reddy, J. Sudhakar, and A. Sayari. "Oxidation of primary amines over titanium and vanadium silicalites: Solvent effect." In Zeolite Science 1994: Recent Progress and Discussions - Supplementary Materials to the 10th International Zeolite Conference, Garmish-Partenkirchen, Germany, July 17-22, 1994. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-2991(06)81132-8.

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Corrêa, Maria Luiza S., Martin Wallau, and Ulf Schuchardt. "Synthesis and characterization of chromo, ferro, mangano and vanadio silicates with MTW structure." In Studies in Surface Science and Catalysis. Elsevier, 1997. http://dx.doi.org/10.1016/s0167-2991(97)80566-6.

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Williams, T., J. N. Beltramini, and G. Q. Lub. "Synthesis, characterization and catalytic activity of Titania and Vanadium grafted and substituted on mesoporous silicas." In Recent Progress in Mesostructured Materials - Proceedings of the 5th International Mesostructured Materials Symposium (IMMS2006), Shanghai, P.R. China, August 5-7, 2006. Elsevier, 2007. http://dx.doi.org/10.1016/s0167-2991(07)80283-7.

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Conference papers on the topic "Vanadium silicates"

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Podsvirov, O. A., M. A. Prosnikov, V. A. Brunov, A. I. Ignatiev, and A. I. Sidorov. "Transformation and field migration of vanadium ions in silicate glasses under the action of electron beam irradiation." In 2014 Tenth International Vacuum Electron Sources Conference (IVESC). IEEE, 2014. http://dx.doi.org/10.1109/ivesc.2014.6892058.

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Rao, M. V. Sambasiva, Ch Tirupataiah, A. Suneel Kumar, et al. "Role of valence state of vanadium ions on structural and spectroscopic properties of sodium lead bismuth silicate glass ceramics." In DAE SOLID STATE PHYSICS SYMPOSIUM 2017. Author(s), 2018. http://dx.doi.org/10.1063/1.5028814.

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