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Relevant bibliographies by topics / Raney Ni

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Academic literature on the topic 'Raney Ni'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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Journal articles on the topic "Raney Ni"

1

Seo, Jongsu, MinJoong Kim, and Ju Hun Park. "Development of Multi-Component Raney Ni Electrode for Hydrogen Production." ECS Meeting Abstracts MA2025-01, no. 38 (2025): 1868. https://doi.org/10.1149/ma2025-01381868mtgabs.

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Raney Ni, also known as spongy Ni, is a porous material characterized by its high surface area. Typically, Raney Ni is prepared by selectively dissolving aluminum (Al) from a Ni-Al alloy in an alkaline environment, leaving pores where Al was removed. This unique structure not only provides a high surface area but also facilitates ease of fabrication and high catalytic activity, making Raney Ni widely applicable in various chemical catalysis fields as well as in electrochemical catalysts and electrodes. To further advance the properties of Raney Ni by adding foreign elements, many strategies su

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2

Rodiansono, Rodiansono, Maria Dewi Astuti, Dwi Rasy Mujiyanti, and Uripto Trisno Santoso. "Selective Hydrogenation of Sucrose into Sugar Alcohols over Supported Raney Nickel-Based Catalysts." Indonesian Journal of Chemistry 19, no. 1 (2019): 183. http://dx.doi.org/10.22146/ijc.31319.

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Selective hydrogenation of sugars (e.g. sucrose, cellobiose, glucose, fructose, xylose, arabinose) into sugar alcohols (sorbitol, mannitol, xylitol, arabitol) can be achieved by means of supported Raney Ni-based catalysts. Various supporting materials such as the layered structure of clay (e.g. bentonite, taeniolite, smectite), metal oxides (e.g. Nb2O5, ZrO2, Al2O3), and conventional supports (e.g. carbon, silica, zeolite (JRC-SZ1)) were employed to obtain high performance of supported Raney Ni-based catalysts. The conventional Raney Ni, Raney Ni/AlOH, and Ni-NP with relatively high dispersion

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Lu, Shuliang, Jiajia Wu, Hui Peng, and Yong Chen. "Carbon-Supported Raney Nickel Catalyst for Acetone Hydrogenation with High Selectivity." Molecules 25, no. 4 (2020): 803. http://dx.doi.org/10.3390/molecules25040803.

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Catalysts with high selectivity play key roles in green chemistry. In this work, a granular Raney Ni catalyst using carbon as support (Raney Ni/C) was developed by mixing phenolic resin with Ni-Al alloy, conducting carbonization at high temperature, and leaching with alkaline liquor. The as-prepared Raney Ni/C catalyst is suitable for use in fix-bed reactors. Moreover, it shows high activity and selectivity for catalytic acetone hydrogenation. For instance, at the reaction temperature of 120 °C, the conversion of acetone can reach up to 99.9% and the main byproduct methyl isobutylcarbinol (MIB

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Lee, Younghyun, Sung Woo Lee, Hyung Ju Kim, Yong Tae Kim, Kun-Yi Andrew Lin, and Jechan Lee. "Hydrogenation of Adiponitrile to Hexamethylenediamine over Raney Ni and Co Catalysts." Applied Sciences 10, no. 21 (2020): 7506. http://dx.doi.org/10.3390/app10217506.

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Hexamethylenediamine (HMDA), a chemical for producing nylon, was produced on Raney Ni and Raney Co catalysts via the hydrogenation of adiponitrile (ADN). HMDA was hydrogenated from ADN via 6-aminohexanenitrile (AHN). For the two catalysts, the effects of five different reaction parameters (reaction temperature, H2 pressure, catalyst loading, and ADN/HMDA ratio in the reactant) on the hydrogenation of ADN were investigated. Similar general trends demonstrating the dependence of ADN hydrogenation on the reaction conditions for both catalysts were observed: higher temperature (60–80 °C) and H2 pr

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Murao, Reiko, Kazumasa Sugiyama, Satoshi Kameoka, and An Pang Tsai. "Environmental Structural Analysis of Raney Ru(Ni) Fine Particles." Key Engineering Materials 508 (March 2012): 304–9. http://dx.doi.org/10.4028/www.scientific.net/kem.508.304.

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Structures of Raney Ru(Ni) Fine Particles Were Investigated by High-Energy X-Ray Diffraction Coupled with Anomalous X-Ray Scattering (AXS) at the Ni K-Absorption Edge. Raney Ru(Ni) Fine Particles Were Prepared from Monoclinic-Al13(Ru,Ni)4, by the Leaching with Naoh Aqueous Solution. Ordinary PDF for Raney Ru Indicates Atomic Correlations Similar to those for Hcp-Ru. However, a Correlation Peak at about 0.2 Nm which Could Not Be Described by the Atomic Correlations in thehcp-Typed Structure Is Developed as a Function of the Ni Content. The Environmental RDF around Ni Clearly Reproduced this Int

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Jin, Hui, Youjun Lu, Liejin Guo, Ximin Zhang, and Aixia Pei. "Hydrogen Production by Supercritical Water Gasification of Biomass with Homogeneous and Heterogeneous Catalyst." Advances in Condensed Matter Physics 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/160565.

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Biomass gasification in supercritical water is a clean and efficient way to convert biomass to hydrogen-rich gaseous products. Appropriate catalyst can lower the reaction temperature to guarantee the technological and economic feasibility. This paper selects Ca(OH)2, Na2CO3, K2CO3, NaOH, KOH, LiOH, and ZnCl2as typical homogeneous catalysts and three kinds of Raney-Ni, dolomite, and olivine as typical heterogeneous catalysts. The catalyst effects are investigated in the process of biomass gasification in supercritical water with the temperature of 400°C, pressure of22∼24 MPa, and residence time

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Davidson, Alisha L., David Lennon, Paul B. Webb, et al. "The Characterisation of Hydrogen on Nickel and Cobalt Catalysts." Topics in Catalysis 64, no. 9-12 (2021): 644–59. http://dx.doi.org/10.1007/s11244-021-01425-0.

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AbstractWe have investigated a series of supported and unsupported nickel and cobalt catalysts, principally using neutron vibrational spectroscopy (inelastic neutron scattering, INS). For an alumina supported Ni catalyst we are able to detect hydrogen on the metal for the first time, all previous work has used Raney Ni. For an unsupported Ni foam catalyst, which has similar behaviour to Raney Ni but with a much lower density, the spectra show that there are approximately equal numbers of (100) and (111) sites, in contrast to Raney Ni that shows largely (111) sites. The observation of hydrogen

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Rodiansono, Rodiansono, Takayoshi Hara, and Shogo Shimazu. "TOTAL HYDROGENATION OF BIOMASS-DERIVED FURFURAL OVER RANEY NICKEL-CLAY NANOCOMPOSITE CATALYSTS." Indonesian Journal of Chemistry 13, no. 2 (2013): 101–7. http://dx.doi.org/10.22146/ijc.21291.

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Inexpensive Raney Ni-clay composite (R-Ni/clay) catalysts exhibited excellent activity and reusability in the total hydrogenation of biomass-derived furfural into tetrahydrofurfuryl alcohol under mild conditions. For the Raney Ni-bentonite (R-Ni/BNT) catalysts, the complete reaction was achieved at 393 K, 180 min giving almost 99% yield of tetrahydrofurfuryl alcohol. The R-Ni/BNT catalyst was found to be reusable without any significant loss of activity and selectivity for at least six consecutive runs.

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Da Costa, Patrick. "Ni-Containing Catalysts." Catalysts 11, no. 5 (2021): 645. http://dx.doi.org/10.3390/catal11050645.

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Surya Prakash Rao, H., and Guravaiah Chakibanda. "Raney Ni catalyzed azide-alkyne cycloaddition reaction." RSC Adv. 4, no. 86 (2014): 46040–48. http://dx.doi.org/10.1039/c4ra07057g.

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Dissertations / Theses on the topic "Raney Ni"

1

Tanaka, Shinnichi. "Characteristics and Improvement of Raney-Ni Cathode in Alkaline Solution." Kyoto University, 2000. http://hdl.handle.net/2433/151384.

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Mendes, Burak Jorge Augusto [Verfasser], Roberto [Gutachter] Rinaldi, and Martin [Gutachter] Muhler. "Raney Ni stability and characterization upon different systems and solvents / Jorge Augusto Mendes Burak ; Gutachter: Roberto Rinaldi, Martin Muhler ; Fakultät für Chemie und Biochemie." Bochum : Ruhr-Universität Bochum, 2018. http://d-nb.info/1152078089/34.

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Rosell-Laclau, Eliette. "Addition d'éléments de transition dans les alliages Al-Ni précurseurs des catalyseurs de nickel de Ranay." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0071.

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Cette etude concerne l'influence d'elements d'addition (titane, fer et chrome) dans les alliages precurseurs al-ni, des catalyseurs de nickel de raney. Deux aspects principaux ont ete developpes lors de ce travail. La premiere partie traite de l'effet du dopant sur la reactivite des phases al#3ni et al#3ni#2 vis-a-vis de l'extraction d'aluminium par attaque alcaline. L'attaque de al#3ni par propagation d'un front plan, a permis de mettre en evidence un processus d'attaque identique que ce soit sans dopant ou en presence de titane ou de chrome. Une energie d'activation de 60 kj/mol a ete determ

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Book chapters on the topic "Raney Ni"

1

Sinninghe Damsté, Jaap S., Timothy I. Eglinton, W. Irene C. Rijpstra, and Jan W. de Leeuw. "Characterization of Organically Bound Sulfur in High-Molecular-Weight, Sedimentary Organic Matter Using Flash Pyrolysis and Raney Ni Desulfurization." In Geochemistry of Sulfur in Fossil Fuels. American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0429.ch026.

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2

Schmidt, Stephen, and Setrak Tanielyan. "Precious Metal Promoted Raney¬Æ Ni Catalysts." In Catalysis of Organic Reactions. CRC Press, 2002. http://dx.doi.org/10.1201/9780203911013.ch19.

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"Precious Metal Promoted Raney® Ni Catalysts." In Catalysis of Organic Reactions. CRC Press, 2002. http://dx.doi.org/10.1201/9780203911013-22.

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4

Hamar-Thibault, S., J. Gros, J. C. Joud, J. Masson, J. P. Damon, and J. M. Bonnier. "Controlled Preparation of Raney Ni Catalysts from Ni2Al3 Base Alloys - Structure and Properties." In Preparation of Catalysts V - Scientific Bases for the Preparation of Heterogeneous Catalysts, Proceedings of the Fifth International Symposium. Elsevier, 1991. http://dx.doi.org/10.1016/s0167-2991(08)64623-6.

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"Reactivity and Surface Analysis Studies on theDeactivation of Raney™ Ni DuringAdiponitrile Hydrogenation." In Catalysis of Organic Reactions. CRC Press, 2000. http://dx.doi.org/10.1201/9781482270754-27.

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6

Zong, B., G. Ertl, and M. Muhler. "The Synthesis of Zeolite ZSM-5 on Raney Ni: A Novel Composite Catalyst Precursor." In Preparation of Catalysts VII, Proceedings of the 7th International Symposium on Scientific Bases for the Preparation of Heterogeneous Catalysts. Elsevier, 1998. http://dx.doi.org/10.1016/s0167-2991(98)80198-5.

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7

Taber, Douglass. "New Methods for Functional Group Conversion." In Organic Synthesis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199764549.003.0010.

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Ilya M. Lyapkalo of the Academy of Sciences of the Czech Republic, Prague, showed (Synlett 2009, 558) that a ketone 1 reacted with the inexpensive nonaﬂuorobutanesulfonyl ﬂuoride in the presence of a phosphazene base to give first the enol sulfonate, and then the alkyne 2. The method worked well for aldehydes also. Christophe Darcel of the Université de Rennes I developed (Adv. Synth. Cat. 2009, 351, 367) an inexpensive Fe catalyst for the hydration of a terminal alkyne 3 to the ketone 4. Carlos Alonso-Moreno and Antonio Otero of the Universidad de Castilla-La Mancha devised (Adv. Synth. Cat.

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Conference papers on the topic "Raney Ni"

1

Cardoso, Fernanda dos Santos, Emanuele Santana Bispo dos Santos, Paloma Amancio Oliveira Sacramento, Thalia Catherine Sacramento Ferreira, and Ronaldo Costa Santos. "Production of Ethylene Glycol by Catalytic Conversion Ni-Raney Lignocellulosic Biomass: Process, Challenges and Prospects." In X Simpósio Internacional de Inovação e Tecnologia. Editora Blucher, 2024. https://doi.org/10.5151/siintec2024-392224.

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2

Barnard, N. C., and S. G. R. Brown. "Kinetic Monte Carlo modelling the leaching of Raney Ni-Al alloys." In ELECTORCOR 2007. WIT Press, 2007. http://dx.doi.org/10.2495/ecor070061.

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3

Vlad, Khrystyna. "Features of Chronoamperometric Studies of Water Sorbent Materials." In International Young Scientists Conference on Materials Science and Surface Engineering. Karpenko Physico-Mechanical Institute of the NAS of Ukraine, 2023. http://dx.doi.org/10.15407/msse2023.088.

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The present study examines the constant potential discharge method at –0.6 V (CPD) for three different hydrogen absorbing materials: nano-Ni-C synthesized from polystyrene and metal salts using the pyrolysis method; Ni-Raney obtained through leaching, and La3MgNi14 alloy are prepared by sintering and prolonged heat treatment. Each of the samples corresponds to distinct time domains (according to the theory of the method under consideration), indicating different mechanisms diffusion and hydrogen diffusion coefficients.

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4

Nielsen, P. T., T. Mathiesen, J. K. Kristensen, L. Hilbert, and L. Yde. "Atmospheric Plasma Spraying of Electrodes for Conversion of Electricity to Hydrogen by High Temperature Alkaline Electrolysis of Water." In ITSC2011, edited by B. R. Marple, A. Agarwal, M. M. Hyland, et al. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p0338.

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Abstract Energy obtained by wind turbines can be foreseen to constitute a significant part of the future energy sources. A major challenge is however the large variation over time in wind energy production. Energy conversion from electricity to storable energy is therefore a key technology to master, and it is therefore important to develop compact, reliable, cheap and energy efficient equipment for this. An obvious solution is production of hydrogen based on water alkaline electrolysis. In the work presented the atmospheric plasma spraying (APS) of Raney nickel (50/50 Ni/Al) was used to devel

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