Relevant bibliographies by topics / CeO2-γAl2O3 and Fe2O3-γAl2O3 catalys

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

Academic literature on the topic 'CeO2-γAl2O3 and Fe2O3-γAl2O3 catalys'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "CeO2-γAl2O3 and Fe2O3-γAl2O3 catalys"

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Dr., Tuğba Gürmen Özçelik. "Selective Oxidation of Limonene over γ-Al2O3 Supported Metal Catalyst with H2O2". International Journal of Engineering and Management Research 8, № 4 (2018): 208–12. https://doi.org/10.31033/ijemr.v8i4.13243.

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Liquid phase oxidation of limonene by hydrogen peroxide over the CeO2 and Fe2O3 catalysts supported by γ- Al2O3 was reported. Etly acetate and acetone were used as solvent to investigate the effect of the solvent on the oxidation reaction. The experiments were carried out at 80 °C The conversion of limonene and the selectivities of the carvone were calculated during the 10h reaction time. According to experimental results, maximum conversion of limonene and product selectivity of carvone were obtained with CeO2-γAl2O3 catalyst as 85% and 41%, respectively end of the 10 h reacti
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Prada Silvy, Ricardo, та Sathish Kumar Lageshetty. "Conversion of heavy gasoil into ultra-low sulfur and aromatic diesel over NiWRu/TiO2–γAl2O3 catalysts: Role of titanium and ruthenium on improving catalytic activity". Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles 76 (23 грудня 2020): 5. http://dx.doi.org/10.2516/ogst/2020084.

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This contribution deals with about selective conversion of heavy gas oils into middle distillates fuels that meet ultra-low sulfur and aromatic compound quality standards by using a novel NiWRu/TiO2–γAl2O3 catalyst under typical hydrotreatment conditions. A diesel fuel fraction having sulfur, nitrogen and aromatics compound content of about 50 ppm, 10 ppm and 15 v%, respectively, was obtained when the reactor was operated at T = 370 °C, P = 12.4 MPa, LHSV = 0.5 h−1 and H2/hydrocarbon ratio = 800 Nm3/m3. Titanium and ruthenium additives used in the preparation of the NiWRu/TiO2–γAl2O3 catalyst,
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Bin Sulayman, Abdulhamid, Nicolas Torres Brauer, and Hugo de Lasa. "A Fluidizable Catalyst for N-Butane Oxidative Dehydrogenation under Oxygen-Free Reaction Conditions." Catalysts 13, no. 12 (2023): 1462. http://dx.doi.org/10.3390/catal13121462.

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This study evaluates the effectiveness of fluidizable VOx/MgO-γAl2O3 catalysts for C4-olefin production via n-butane oxidative dehydrogenation (BODH). Catalysts were prepared via vacuum incipient wetness impregnation and then characterized by employing several techniques such as BET (Brunauer–Emmett–Teller) method, XRD (X-ray diffraction), LRS (laser Raman spectroscopy), XPS (X-ray photoelectron spectroscopy), TPR/TPO (temperature-programmed reduction/temperature-programmed oxidation), NH3-TPD (temperature-programmed desorption), NH3 -desorption kinetics and pyridine-FTIR. The BET analysis sho
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Cimerman, Richard, Mária Cíbiková, Leonid Satrapinskyy, and Karol Hensel. "The Effect of Packing Material Properties on Tars Removal by Plasma Catalysis." Catalysts 10, no. 12 (2020): 1476. http://dx.doi.org/10.3390/catal10121476.

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Plasma catalysis has been utilized in many environmental applications for removal of various hydrocarbons including tars. The aim of this work was to study the tars removal process by atmospheric pressure DBD non-thermal plasma generated in combination with packing materials of various composition and catalytic activity (TiO2, Pt/γAl2O3, BaTiO3, γAl2O3, ZrO2, glass beads), dielectric constant (5–4000), shape (spherical and cylindrical pellets and beads), size (3–5 mm in diameter, 3–8 mm in length), and specific surface area (37–150 m2/g). Naphthalene was chosen as a model tar compound. The exp
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Setiawan, Daliya Indra, Tun Tedja Irawadi та Zainal Alim Mas’ud. "Hydrotreating of Sunan Candlenut (Reutealis trisperma Airy Shaw) Oil by Using NiMo-γAl2O3 as Renewable Energy". Indonesian Journal of Chemistry 19, № 1 (2019): 78. http://dx.doi.org/10.22146/ijc.27274.

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Hydrotreating process of Sunan candlenut oil by using NiMo-γAl2O3 catalyst has been successfully investigated. Preparation of NiMo-γAl2O3 catalyst by using dipping impregnation method generated catalyst used for hydrotreating process. This method consists of three stages: support activation, impregnation, and calcination. This factors influencing the process including temperature, pressure, and the ratio of Sunan candlenut oil to the H2 gas factor were examined. The hydrotreating product of fuel similar to oil was obtained at a minimum temperature of 380 °C, a pressure of 30–60 bar, and the ra
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Bin Sulayman, Abdulhamid, and Hugo de Lasa. "A Kinetic Model for Catalytic N-Butane Oxidative Dehydrogenation under Oxygen-Free Reaction Conditions in a Fluidized CREC Riser Simulator." Catalysts 14, no. 8 (2024): 505. http://dx.doi.org/10.3390/catal14080505.

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This study considers the development of a kinetic model for the n-butane oxidative dehydrogenation (ODH) to C4-olefins using a VOx/MgO−γAl2O3 catalyst. The prepared catalyst contained 5 wt% V on an MgO modified γAl2O3 support. The developed catalyst exhibited both weak and medium acid sites, as revealed by NH3-temperature-programmed desorption. TPR/TPO analyses also indicated that 73% of the loaded VOx was reducible. Kinetic experiments were conducted in a fluidized CREC Riser Simulator at temperatures ranging from 475–550 °C and residence times of 5–20 s. An optimal C4-olefin selectivity of 8
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Abahussain, Abdulaziz A. M., Ahmed S. Al-Fatesh, Naitik Patel, et al. "Alumina-Magnesia-Supported Ni for Hydrogen Production via the Dry Reforming of Methane: A Cost-Effective Catalyst System." Nanomaterials 13, no. 23 (2023): 2984. http://dx.doi.org/10.3390/nano13232984.

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5Ni/MgO and 5Ni/γAl2O3 are pronounced in the line of cheap catalyst systems for the dry reforming of methane. However, the lower reducibility of 5Ni/MgO and the significant coke deposition over 5Ni/γAl2O3 limit their applicability as potential DRM catalysts. The mixing capacity of MgO and Al2O3 may overcome these limitations without increasing the catalyst cost. Herein, a 5Ni/xMg(100 − x)Al (x = 0, 20, 30, 60, 70, and 100 wt. %) catalyst system is prepared, investigated, and characterized with X-ray diffraction, surface area and porosity measurements, H2-temperature programmed reduction, UV-Vi
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Karimova, Dana. "Investigation of n-Butane Conversion on Pd, Rh, Ru Catalysts Supported by Al2O3 and SiO2." Chemistry & Chemical Technology 18, no. 3 (2024): 386–92. http://dx.doi.org/10.23939/chcht18.03.386.

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This study explored the dehydrogenation of n-butane using Pd, Rh, and Ru catalysts on aluminum and silicon oxide supports. Aluminum oxide (Al2O3) showed superior conversion of n-butane, especially with 1% Pd/γAl2O3, yielding 31% target alkenes. This catalyst offers potential for scaling up n-butane dehydrogenation technology.
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Liao, Yalong, Yiyang Wang та Yu Zhang. "Preparation and Catalytic Hydrodechlorination Property of Nano Bimetallic Catalyst Pd–Ni/γAl2O3–SiO2". Catalysts 12, № 4 (2022): 370. http://dx.doi.org/10.3390/catal12040370.

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Pd–Ni bimetallic catalyst supported on a composite carrier of γAl2O3 and SiO2 was prepared by chemical precipitation methodology enhanced with an ultrasonic wave. In the present paper, the influence of dispersant, carrier, ultrasonic time and intensity on the dechlorination property of the catalysts obtained are investigated. The appearance, morphology and structure of the prepared catalysts were characterized using X-ray diffraction (XRD), scanning transmission electron microscopy (STEM), N2 adsorption–desorption isotherm and X-ray photoelectron spectroscopy spectrometer (XPS). The chemical c
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Sun, D. D., J. H. Tay, and C. Easton. "Recovery and encapsulation of heavy metals on refinery spent hydrotreating catalyst." Water Science and Technology 42, no. 5-6 (2000): 71–77. http://dx.doi.org/10.2166/wst.2000.0497.

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The experimental results indicate that spent hydrotreating catalyst (Co/Mo/γAl2O3) contains carbon (C), sulfur (S), molybdenum (Mo), cobalt (CO) and vanadium (V) at levels of 16 wt.%, 7.3 wt.%, 10.9 wt.%, 4.0 wt.% and 4.6 wt.% respectively. Calcination at 500°C is an effective process for the removal of carbon and sulfur and generates oxide form of heavy metals. Optimum removal of these metals was achieved by two stage leaching process. The first stage using concentrated ammonia was successful in removing 83 w/v % Mo. In a second stage with 10% v/v% sulfuric acid, it was found that 77% w/v% Co
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Dissertations / Theses on the topic "CeO2-γAl2O3 and Fe2O3-γAl2O3 catalys"

1

Dabrilaitė, Gitana. "γAl2O3-Cakt-MexOy adsorbentai-katalizatoriai: sintezė, savybės ir panaudojimas". Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050720_111459-83044.

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Aim of the work was to create a production technology of thermo-stable adsorbents-catalysts using activated carbon and Al2O3, CuO, Cr2O3, Co3O4, to determine their properties and use peculiarities in VOC removal technologies.
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Book chapters on the topic "CeO2-γAl2O3 and Fe2O3-γAl2O3 catalys"

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Silvy, Ricardo Prada, and Bénédicte Culot. "Effect of the particle size and the active phase composition in CoFe/γAl2O3 catalyst on the multiwalled carbon nanotube production." In Studies in Surface Science and Catalysis. Elsevier, 2006. http://dx.doi.org/10.1016/s0167-2991(06)80987-0.

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"Selective oxidation of carbon to carbon monoxide over reduced CeO2 /Fe2O3 catalysts." In Energy and Environment. CRC Press, 2015. http://dx.doi.org/10.1201/b18414-43.

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Nawaz, Saba, Iqra Maqsood, Fatima Batool, et al. "Improvement of Abiotic Stress Tolerance in Plants with the Application of Nanoparticles." In Abiotic Stress in Plants - Adaptations to Climate Change [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.110201.

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Plants are under the threat of climatic changes and there is a reduction in productivity and deterioration in quality. The application of nanoparticles is one of the recent approaches to improve plant yield and quality traits. A number of nanoparticles, such as zinc nanoparticles (ZnO NPs), iron nanoparticles (Fe2O3 NPs), silicon nanoparticles (SiO2 NPs), cerium nanoparticles (CeO2 NPs), silver nanoparticles (Ag NPs), titanium dioxide nanoparticles (TiO2 NPs), and carbon nanoparticles (C NPs), have been reported in different plant species to play a role to improve the plant physiology and meta
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Conference papers on the topic "CeO2-γAl2O3 and Fe2O3-γAl2O3 catalys"

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Setyowati, Brigita Alma, та Yuswan Muharam. "Effect of gas and liquid flow rates on phenol catalytic ozonation over Fe-Mn-Cu/γAl2O3 catalyst in a fixed-bed reactor". У THE 5TH INTERNATIONAL CONFERENCE ON BUILDINGS, CONSTRUCTION, AND ENVIRONMENTAL ENGINEERING: BCEE5. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0237339.

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