Relevant bibliographies by topics / Colloidal hydrogenation

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Colloidal hydrogenation'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Colloidal hydrogenation"

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Pietrowski, Mariusz, Michał Zieliński, and Maria Wojciechowska. "Nanocolloidal Ru/MgF2 Catalyst for Hydrogenation of Chloronitrobenzene and Toluene." Polish Journal of Chemical Technology 16, no. 2 (2014): 63–68. http://dx.doi.org/10.2478/pjct-2014-0031.

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Abstract The use of magnesium fluoride support for ruthenium active phase allowed obtaining new catalysts of high activities in the hydrogenation of toluene and ortho-chloronitrobenzene. Ruthenium colloid catalysts (1 wt.% of Ru) were prepared by impregnation of the support with the earlier produced polyvinylpyrrolidone (PVP)-stabilized ruthenium colloids. The performances of the colloidal catalysts and those obtained by traditional impregnation were tested in the reactions of toluene hydrogenation to methylcyclohexane and selective hydrogenation of ortho-chloronitrobenzene (o-CNB) to ortho-ch
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Konuspayev, Sapar, Minavar Shaimardan, Nurlan Annas, T. S. Abildin, and Y. Y. Suleimenov. "Hydrogenation of benzene and toluene over supported rhodium and rhodium-gold catalysts." MATEC Web of Conferences 340 (2021): 01026. http://dx.doi.org/10.1051/matecconf/202134001026.

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Rhodium and rhodium-gold catalysts supported on amorphous aluminosilicates (ASA), titanium dioxide (rutile, TiO2) was prepared in two different ways: absorption and colloidal method. The catalysts were characterized by an inductively coupled plasma optical emission spectrometer (ICP-OES), transmission electron microscopy (TEM) and X-ray diffraction (XRD). The activity and selectivity of the prepared catalysts were tested by the hydrogenation of benzene and toluene. Hydrogenation was conducted at a pressure of 4 MPa and a temperature 80 °C. The bimetallic Rh-Au/ASA catalyst prepared by the abso
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Chen, Ting-An, and Young-Seok Shon. "Alkanethiolate-Capped Palladium Nanoparticles for Regio- and Stereoselective Hydrogenation of Allenes." Catalysts 8, no. 10 (2018): 428. http://dx.doi.org/10.3390/catal8100428.

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Colloidal Pd nanoparticles capped with octanethiolate ligands have previously shown an excellent selectivity toward the mono-hydrogenation of both isolated and conjugated dienes to internal alkenes. This paper reports an efficient stereoselective mono-hydrogenation of cumulated dienes (allenes) to either Z or E olefinic isomers, depending on the substitution pattern around C=C bonds. Kinetic studies indicate that the reaction progresses through the hydrogenation of less hindered C=C bonds to produce internal Z olefinic isomers. In the cases of di-substitued olefinic products, this initial hydr
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Vrijburg, Wilbert L., Jolanda W. A. van Helden, Arno J. F. van Hoof, et al. "Tunable colloidal Ni nanoparticles confined and redistributed in mesoporous silica for CO2 methanation." Catalysis Science & Technology 9, no. 10 (2019): 2578–91. http://dx.doi.org/10.1039/c9cy00532c.

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Delgado, Jorge A., Olivia Benkirane, Carmen Claver, Daniel Curulla-Ferré, and Cyril Godard. "Advances in the preparation of highly selective nanocatalysts for the semi-hydrogenation of alkynes using colloidal approaches." Dalton Transactions 46, no. 37 (2017): 12381–403. http://dx.doi.org/10.1039/c7dt01607g.

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Wang, Xiaodong, Noémie Perret, Laurent Delannoy, Catherine Louis, and Mark A. Keane. "Selective gas phase hydrogenation of nitroarenes over Mo2C-supported Au–Pd." Catalysis Science & Technology 6, no. 18 (2016): 6932–41. http://dx.doi.org/10.1039/c6cy00514d.

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Bahruji, Hasliza, Mshaal Almalki, and Norli Abdullah. "Highly Selective Au/ZnO via Colloidal Deposition for CO2 Hydrogenation to Methanol: Evidence of AuZn Role." Bulletin of Chemical Reaction Engineering & Catalysis 16, no. 1 (2021): 44–51. http://dx.doi.org/10.9767/bcrec.16.1.9375.44-51.

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Gold, Au nanoparticles were deposited on ZnO, Al2O3, and Ga2O3 via colloidal method in order to investigate the role of support for CO2 hydrogenation to methanol. Au/ZnO was also produced using impregnation method to investigate the effect of colloidal method to improve methanol selectivity. Au/ZnO produced via sol immobilization showed high selectivity towards methanol meanwhile impregnation method produced Au/ZnO catalyst with high selectivity towards CO. The CO2 conversion was also influenced by the amount of Au weight loading. Au nanoparticles with average diameter of 3.5 nm exhibited 4% o
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Sun, Yifan, Albert J. Darling, Yawei Li, et al. "Defect-mediated selective hydrogenation of nitroarenes on nanostructured WS2." Chemical Science 10, no. 44 (2019): 10310–17. http://dx.doi.org/10.1039/c9sc03337h.

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Colloidal 2H-WS<sub>2</sub> nanostructures catalyze selective hydrogenation of substituted nitroarenes to anilines with molecular hydrogen, where sulfur vacancies and tungsten-terminated edges play key roles in enabling functional group selectivity.
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Konuspayeva, Zere, Pavel Afanasiev, Thanh-Son Nguyen, et al. "Au–Rh and Au–Pd nanocatalysts supported on rutile titania nanorods: structure and chemical stability." Physical Chemistry Chemical Physics 17, no. 42 (2015): 28112–20. http://dx.doi.org/10.1039/c5cp00249d.

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Au–Rh and Au–Pd nanoalloys synthesized by colloidal methods and immobilized on rutile titania nanorods are more stable than their monometallic counterparts for tetralin hydrogenation in the presence of sulfur.
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Pike, Sebastian D., Andrés García-Trenco, Edward R. White, et al. "Correction: Colloidal Cu/ZnO catalysts for the hydrogenation of carbon dioxide to methanol: investigating catalyst preparation and ligand effects." Catalysis Science & Technology 7, no. 18 (2017): 4233. http://dx.doi.org/10.1039/c7cy90083j.

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Correction for ‘Colloidal Cu/ZnO catalysts for the hydrogenation of carbon dioxide to methanol: investigating catalyst preparation and ligand effects’ by Sebastian D. Pike et al., Catal. Sci. Technol., 2017, DOI: 10.1039/c7cy01191a.
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Dissertations / Theses on the topic "Colloidal hydrogenation"

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Weiner, Jonathan. "Colloidal Cu/ZnO nanocatalysts for CO2 hydrogenation to methanol." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/57498.

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This thesis centres on the development of colloidal nanoparticles for the hydrogenation of carbon dioxide to methanol. Chapter two focusses on the synthesis of zinc oxide (ZnO) nanoparticles through the hydrolysis of diethylzinc in the presence of sub-stoichiometric quantities of organic ligands. Characterisation of the product, through a range of spectroscopic, diffraction and electron microscopy techniques, reveals small (3-4 nm), equiaxial, mono-disperse ZnO nanoparticles coordinated to alkyl-carboxylate, phosphinate and sulfinate ligands. Detailed investigation of the dioctyl-phosphinate c
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Wand, Patricia [Verfasser], Ulrich Kaspar [Akademischer Betreuer] [Gutachter] Heiz, and Klaus [Gutachter] Köhler. "Synthesis, Characterization and Application of Platinum Nanoparticles in Colloidal Hydrogenation Reactions / Patricia Wand. Betreuer: Ulrich Kaspar Heiz. Gutachter: Ulrich Kaspar Heiz ; Klaus Köhler." München : Universitätsbibliothek der TU München, 2016. http://d-nb.info/1107543568/34.

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André, Rémi F. "Tailored routes to metal-containing nanoparticles for hydrogenation reactions in solution : surface design for H2 activation." Electronic Thesis or Diss., Sorbonne université, 2021. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2021SORUS190.pdf.

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Dans ces travaux de thèse, nous avons exploré différentes classes de nanoparticules métalliques telles que des carbures, des oxydes et des phosphures, pour des applications en catalyse colloïdale. Afin de construire un système catalytique de type « Paire de Lewis Frustrée », la synergie avec des bases de Lewis moléculaires a été étudiée. En introduction, les enjeux et les défis de l’activation de H2 en solvant sont présentés, avec un focus sur les catalyseurs non purement métalliques pour l’hydrogénation de composés modèles. Dans la première partie, des carbures et des hydrures de métaux de dé
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Baldyga, Lyndsey Michelle. "Effect of Platinum Particle Size on the Sulfur Deactivation of Hydrogenation." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/3966.

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A large concern of the fossil fuel and renewable energy industries is the sulfur poisoning of catalysts. In the case of noble metals, such as platinum, it is seen that there is a size trend associated with the level of activity in the presence of sulfur. Smaller nanoparticles could be more tolerant due to sulfur surface vacancies. On the other hand, larger particles could have less deactivation because the sulfur is more attracted to the smaller particles and the sulfur molecules bind stronger to these smaller particles. The size effect of sulfur deactivation was investigated by testing four s
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Chen, Liang-Fu, and 陳亮夫. "Effect of Additives on Ni-B Colloid Catalysts for the Hydrogenation of p-Chloronitrobenzene." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/67440363797111653070.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>94<br>Ni-B amorphous catalysts proved to be a better catalyst on both activity and selectivity for hydrogenation of p-chloronitrobenzene (p-CNB) from previous studies. However, the catalytic activity of Ni-B catalyst did not compete with that of noble metals viz., Pd and Pt. In order to enhance the catalytic activity of Ni-B for the hydrogenation, six additives were introduced into Ni-B amorphous catalyst, including metal salts of Cr, Ce, Th, W, Ru and Mo. A series of modified Ni-B amorphous nanocatalysts were prepared by chemical reduction of mixed salts of the
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Book chapters on the topic "Colloidal hydrogenation"

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Ravet, I., A. Gourgue, and J. B. Nagy. "Hydrogenation Activity of Colloidal Cobalt Boride Particles Synthesized in the CTAB-1-Hexanol-Water Reversed Micellar Systems." In Surfactants in Solution. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4615-7981-6_12.

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Joó, F. "Alkanes by Hydrogenation of Alkenes with Polymer-Stabilized Colloidal Metal Catalysts." In Water in Organic Synthesis. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-206-00084.

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Maumela, Mulisa, and Ndzondelelo Bingwa. "Leveraging Dendrimer Macromolecules for the Encapsulation and Stabilisation of Nano-Sized Ruthenium Catalysts: Evaluation of Catalytic Reaction Kinetics in the Reduction of Pollutants Organic Dyes, Oxidation of Alcohols and Alkenes as Well as Hydrogenation Reactions." In Ruthenium - Materials Properties, Device Characterizations, and Advanced Applications. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.111453.

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Encapsulation of nano-sized metal catalysts within the dendrimers macromolecules’ frameworks has been well documented thus far. Dendrimers are described as symmetric, monodispersed macromolecules resembling a tree-like branched structure and have been utilised as both a template and stabilising agent for the fabrication of metal (noble and non-noble) nano-catalysts. For this purpose, different types of dendrimers can be employed. The use of dendrimers for metal catalysts stabilisation or encapsulation offers several advantages in catalysis. For example, the dendrimer template allows the synthe
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Margitfalvi, J., I. Bertoti, L. Toth, L. Yakhyaeva, E. Talas, and E. Tfirst. "Enantioselective Hydrogenation of Ethyl Pyruvate over Pt Colloids." In Catalysis of Organic Reactions. CRC Press, 2002. http://dx.doi.org/10.1201/9780203911013.ch29.

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"Enantioselective Hydrogenation of Ethyl Pyruvate over Pt Colloids." In Catalysis of Organic Reactions. CRC Press, 2002. http://dx.doi.org/10.1201/9780203911013-32.

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Joó, F. "Hydrogenation of Pent-2-yne with Polymer-Stabilized Metal Colloids." In Water in Organic Synthesis. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-206-00100.

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Borsla, A., A. M. Wilhelm, J. P. Canselier, and H. Delmas. "Hydrogenation of olefins in aqueous phase, catalyzed by ligand-protected and polymer-protected rhodium colloids." In Studies in Surface Science and Catalysis. Elsevier, 2000. http://dx.doi.org/10.1016/s0167-2991(00)80777-6.

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Conference papers on the topic "Colloidal hydrogenation"

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Ahn, T. M., and S. V. Panno. "Radiation-Induced Alkali Formation and Its Effect on the Corrosion of Grade-12 Titanium in Rock Salt Nuclear Waste Repositories." In CORROSION 1985. NACE International, 1985. https://doi.org/10.5006/c1985-85114.

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Abstract Deposits of natural rock salt are among the leading candidates as sites for this country's first high level nuclear waste repository. Materials being considered for waste containers in this medium include the corrosion-resistant alloy ASTM Grade-12 titanium (TiCode- 12). This paper describes a series of laboratory experiments conducted to first, evaluate the probable near-field hydrochemical environment surrounding the waste packages and secondly, to evaluate the corrosion properties of Grade-12 titanium under these conditions. Natural rock salt was irradiated, using a60 Co gamma sour
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