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Prof. Dr. Anis H. Fakeeha
Chemical Engineering Department, Catalysis Research Group, College of Engineering, PO Box 800 Riyadh 11421, Saudi Arabia

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Research Keywords & Expertise

0 Heterogeneous Catalysis
0 Nano Materials
0 Chemical Reaction Engineering
0 Reduction of green-house gases
0 Hydrogen and/or syngas production

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Catalyst for production of hydrogen

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Journal article
Published: 08 July 2021 in Catalysts
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Dry reforming of methane (DRM) has a substantial potential to provide a cost-effective process and in reducing greenhouse gases. Its application has been hindered by carbon deposition and instability problems. The use of an appropriate catalyst is influenced by the support type. The objective of this investigation is to elucidate the effect of different sources of ZrO2 support. Four kinds of ZrO2, namely RC-100 and Z-3215, MKnano, and ELTN were acquired from Japan, Canada, and China, respectively. The catalyst samples were analyzed by BET, XRD, TPR, TPD, TEM, TGA, TPO, FT-IR, and Raman. The analysis of the structural properties displayed that all Ni-supported catalysts, regardless of their source, are mesoporous and that 5Ni-RC-100 possessed the highest BET surface area of 17.7 m2/g and 5Ni-MKnano had the lowest value of BET 3.16 m2/g. In the TPD and TEM analysis, the 5Ni-RC-100 catalyst presented the highest intensity of basicity and the minimum average particle size of 3.35 nm, respectively. The 5Ni-RC-100 catalyst outperformed 5Ni-ELTN by exhibiting 44% higher CH4 conversion; however, 5Ni-RC-100 gave the highest weight loss in the TGA analysis of 66%.

ACS Style

Ahmed Ibrahim; Anis Fakeeha; Ahmed Abasaeed; Ahmed Al-Fatesh. Dry Reforming of Methane Using Ni Catalyst Supported on ZrO2: The Effect of Different Sources of Zirconia. Catalysts 2021, 11, 827 .

AMA Style

Ahmed Ibrahim, Anis Fakeeha, Ahmed Abasaeed, Ahmed Al-Fatesh. Dry Reforming of Methane Using Ni Catalyst Supported on ZrO2: The Effect of Different Sources of Zirconia. Catalysts. 2021; 11 (7):827.

Chicago/Turabian Style

Ahmed Ibrahim; Anis Fakeeha; Ahmed Abasaeed; Ahmed Al-Fatesh. 2021. "Dry Reforming of Methane Using Ni Catalyst Supported on ZrO2: The Effect of Different Sources of Zirconia." Catalysts 11, no. 7: 827.

Journal article
Published: 23 April 2021 in Journal of Saudi Chemical Society
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The present work describes the use of yttria stabilized ZrO2 support. Different loadings (5, 10, 15 and 20 wt%) of yttria were used. The catalysts were tested for CH4 reforming with CO2 at 700 °C. The effect of doping Y2O3 with ZrO2 on the catalytic performance was attained. N2 physisorption (BET), X-ray diffraction (XRD), temperature programmed reduction (TPR), thermogravimetric analysis (TGA), and transmission electron microscopy (TEM) were employed to analyze the used and fresh catalysts. The results showed that Y2O3 stabilized ZrO2 supported catalysts generated the better conversions of CH4 and CO2 than nonstabilized ZrO2 supported catalysts. The mean CH4 conversions found were 54%, 59%, 60%, 66% and 65% respectively for the 5Ni-ZrO2, 5Ni-5Y-ZrO2, 5Ni-10Y-ZrO2, 5Ni-15Y-ZrO2 and 5Ni-20Y-ZrO2. The BET output displayed significant rise in the surface area of the Y2O3 satbilized catalysts. The crystallite size of NiO acquired via XRD measurements exhibited remarkable decrease due to the addition of Y2O3. TGA and TEM of the spent catalysts showed respectively, reduction of carbon formation as a result of Y2O3 addition and formation of multisized nano tubes. The experimentation of the best 5Ni-15Y-ZrO2 for 40 h produced 60% weight loss of mass and the formation of amorphous carbon on the surface via TGA and TPO respectively.

ACS Style

Anis Hamza Fakeeha; Ahmed Sadeq Al-Fatesh; Ahmed Aidid Ibrahim; Ahmed Elhag Abasaeed. CO2 reforming of CH4 over Ni-catalyst supported on yttria stabilized zirconia. Journal of Saudi Chemical Society 2021, 25, 101244 .

AMA Style

Anis Hamza Fakeeha, Ahmed Sadeq Al-Fatesh, Ahmed Aidid Ibrahim, Ahmed Elhag Abasaeed. CO2 reforming of CH4 over Ni-catalyst supported on yttria stabilized zirconia. Journal of Saudi Chemical Society. 2021; 25 (6):101244.

Chicago/Turabian Style

Anis Hamza Fakeeha; Ahmed Sadeq Al-Fatesh; Ahmed Aidid Ibrahim; Ahmed Elhag Abasaeed. 2021. "CO2 reforming of CH4 over Ni-catalyst supported on yttria stabilized zirconia." Journal of Saudi Chemical Society 25, no. 6: 101244.

Journal article
Published: 23 April 2021 in Energies
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Development of a transition metal based catalyst aiming at concomitant high activity and stability attributed to distinguished catalytic characteristics is considered as the bottleneck for dry reforming of methane (DRM). This work highlights the role of modifying zirconia (ZrO2) and alumina (Al2O3) supported nickel based catalysts using lanthanum oxide (La2O3) varying from 0 to 20 wt% during dry reforming of methane. The mesoporous catalysts with improved BET surface areas, improved dispersion, relatively lower reduction temperatures and enhanced surface basicity are identified after La2O3 doping. These factors have influenced the catalytic activity and higher hydrogen yields are found for La2O3 modified catalysts as compared to base catalysts (5 wt% Ni-ZrO2 and 5 wt% Ni-Al2O3). Post-reaction characterizations such as TGA have showed less coke formation over La2O3 modified samples. Raman spectra indicates decreased graphitization for La2O3 catalysts. The 5Ni-10La2O3-ZrO2 catalyst produced 80% hydrogen yields, 25% more than that of 5Ni-ZrO2. 5Ni-15La2O3-Al2O3 gave 84% hydrogen yields, 8% higher than that of 5Ni-Al2O3. Higher CO2 activity improved the surface carbon oxidation rate. From the study, the extent of La2O3 loading is dependent on the type of oxide support.

ACS Style

Ahmed Abasaeed; Samsudeen Kasim; Wasim Khan; Mahmud Sofiu; Ahmed Ibrahim; Anis Fakeeha; Ahmed Al-Fatesh. Hydrogen Yield from CO2 Reforming of Methane: Impact of La2O3 Doping on Supported Ni Catalysts. Energies 2021, 14, 2412 .

AMA Style

Ahmed Abasaeed, Samsudeen Kasim, Wasim Khan, Mahmud Sofiu, Ahmed Ibrahim, Anis Fakeeha, Ahmed Al-Fatesh. Hydrogen Yield from CO2 Reforming of Methane: Impact of La2O3 Doping on Supported Ni Catalysts. Energies. 2021; 14 (9):2412.

Chicago/Turabian Style

Ahmed Abasaeed; Samsudeen Kasim; Wasim Khan; Mahmud Sofiu; Ahmed Ibrahim; Anis Fakeeha; Ahmed Al-Fatesh. 2021. "Hydrogen Yield from CO2 Reforming of Methane: Impact of La2O3 Doping on Supported Ni Catalysts." Energies 14, no. 9: 2412.

Journal article
Published: 15 January 2021 in Processes
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H2 production through dry reforming of methane (DRM) is a hot topic amidst growing environmental and atom-economy concerns. Loading Ni-based reducible mixed oxide systems onto a thermally stable support is a reliable approach for obtaining catalysts of good dispersion and high stability. Herein, NiO was dispersed over MOx-modified-γ-Al2O3 (M = Ti, Mo, Si, or W; x = 2 or 3) through incipient wetness impregnation followed by calcination. The obtained catalyst systems were characterized by infrared, ultraviolet–visible, and X-ray photoelectron spectroscopies, and H2 temperature-programmed reduction. The mentioned synthetic procedure afforded the proper nucleation of different NiO-containing mixed oxides and/or interacting-NiO species. With different modifiers, the interaction of NiO with the γ-Al2O3 support was found to change, the Ni2+ environment was reformed exclusively, and the tendency of NiO species to undergo reduction was modified greatly. Catalyst systems 5Ni3MAl (M = Si, W) comprised a variety of species, whereby NiO interacted with the modifier and the support (e.g., NiSiO3, NiAl2O4, and NiWO3). These two catalyst systems displayed equal efficiency, >70% H2 yield at 800 °C, and were thermally stable for up to 420 min on stream. 5Ni3SiAl catalyst regained nearly all its activity during regeneration for up to two cycles.

ACS Style

Ahmed Sadeq Al-Fatesh; Mayankkumar Lakshmanbhai Chaudhary; Anis Hamza Fakeeha; Ahmed Aidid Ibrahim; Fahad Al-Mubaddel; Samsudeen Olajide Kasim; Yousef Abdulrahman Albaqmaa; Abdulaziz A. Bagabas; Rutu Patel; Rawesh Kumar. Role of Mixed Oxides in Hydrogen Production through the Dry Reforming of Methane over Nickel Catalysts Supported on Modified γ-Al2O3. Processes 2021, 9, 157 .

AMA Style

Ahmed Sadeq Al-Fatesh, Mayankkumar Lakshmanbhai Chaudhary, Anis Hamza Fakeeha, Ahmed Aidid Ibrahim, Fahad Al-Mubaddel, Samsudeen Olajide Kasim, Yousef Abdulrahman Albaqmaa, Abdulaziz A. Bagabas, Rutu Patel, Rawesh Kumar. Role of Mixed Oxides in Hydrogen Production through the Dry Reforming of Methane over Nickel Catalysts Supported on Modified γ-Al2O3. Processes. 2021; 9 (1):157.

Chicago/Turabian Style

Ahmed Sadeq Al-Fatesh; Mayankkumar Lakshmanbhai Chaudhary; Anis Hamza Fakeeha; Ahmed Aidid Ibrahim; Fahad Al-Mubaddel; Samsudeen Olajide Kasim; Yousef Abdulrahman Albaqmaa; Abdulaziz A. Bagabas; Rutu Patel; Rawesh Kumar. 2021. "Role of Mixed Oxides in Hydrogen Production through the Dry Reforming of Methane over Nickel Catalysts Supported on Modified γ-Al2O3." Processes 9, no. 1: 157.

Journal article
Published: 20 November 2020 in Processes
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Nickel catalysts supported on zirconium oxide and modified by various amounts of lanthanum with 10, 15, and 20 wt.% were synthesized for CO2 reforming of methane. The effect of La2O3 as a promoter on the stability of the catalyst, the amount of carbon formed, and the ratio of H2 to CO were investigated. In this study, we observed that promoting the catalyst with La2O3 enhanced catalyst activities. The conversions of the feed, i.e., methane and carbon dioxide, were in the order 10La2O3 > 15La2O3 > 20La2O3 > 0La2O3, with the highest conversions being about 60% and 70% for both CH4 and CO2 respectively. Brunauer–Emmett–Teller (BET) analysis showed that the surface area of the catalysts decreased slightly with increasing La2O3 doping. We observed that 10% La2O3 doping had the highest specific surface area (21.6 m2/g) and the least for the un-promoted sample. The higher surface areas of the promoted samples relative to the reference catalyst is an indication of the concentration of the metals at the mouths of the pores of the support. XRD analysis identified the different phases available, which ranged from NiO species to the monoclinic and tetragonal phases of ZrO2. Temperature programmed reduction (TPR) analysis showed that the addition of La2O3 lowered the activation temperature needed for the promoted catalysts. The structural changes in the morphology of the fresh catalyst were revealed by microscopic analysis. The elemental compositions of the catalyst, synthesized through energy dispersive X-ray analysis, were virtually the same as the calculated amount used for the synthesis. The thermogravimetric analysis (TGA) of spent catalysts showed that the La2O3 loading of 10 wt.% contributed to the gasification of carbon deposits and hence gave about 1% weight-loss after a reaction time of 7.5 h at 700 °C.

ACS Style

Mahmud S. Lanre; Ahmed S. Al-Fatesh; Anis H. Fakeeha; Samsudeen O. Kasim; Ahmed A. Ibrahim; Abdulrahman S. Al-Awadi; Attiyah A. Al-Zahrani; Ahmed E. Abasaeed. Catalytic Performance of Lanthanum Promoted Ni/ZrO2 for Carbon Dioxide Reforming of Methane. Processes 2020, 8, 1502 .

AMA Style

Mahmud S. Lanre, Ahmed S. Al-Fatesh, Anis H. Fakeeha, Samsudeen O. Kasim, Ahmed A. Ibrahim, Abdulrahman S. Al-Awadi, Attiyah A. Al-Zahrani, Ahmed E. Abasaeed. Catalytic Performance of Lanthanum Promoted Ni/ZrO2 for Carbon Dioxide Reforming of Methane. Processes. 2020; 8 (11):1502.

Chicago/Turabian Style

Mahmud S. Lanre; Ahmed S. Al-Fatesh; Anis H. Fakeeha; Samsudeen O. Kasim; Ahmed A. Ibrahim; Abdulrahman S. Al-Awadi; Attiyah A. Al-Zahrani; Ahmed E. Abasaeed. 2020. "Catalytic Performance of Lanthanum Promoted Ni/ZrO2 for Carbon Dioxide Reforming of Methane." Processes 8, no. 11: 1502.

Journal article
Published: 08 November 2020 in International Journal of Hydrogen Energy
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This research investigates the effect of doping Ni/La2O3+ZrO2 with nitrates of Ca, Cr, Ga, and Gd on the conversion of the feed and H2/CO molar ratio. The development of these catalysts is intended to tackle inefficiency of dry reforming of CH4 which stems from deactivation and sintering of active metal. All promoted catalysts perform better than the un-promoted catalyst. Cr promoted sample gives the best performance with CH4 and CO2 conversion averaging 83 and 88% respectively. Also, it maintains good stability. The relative ease of reducing the catalyst plus its porous nature are responsible for its performance. Ca promoted sample has the same area as that of the support indicating the movement of Ni–Ca out of the pores of the support during calcination. According to thermogravimetric analysis, the un-promoted catalyst records the highest amount of carbon while the Ca promoted sample has about 18%.

ACS Style

Ahmed Sadeq Al-Fatesh; Anis Hamza Fakeeha; Ahmed Aidid Ibrahim; Ahmed Elhag Abasaeed. Ni supported on La2O3+ZrO2 for dry reforming of methane: The impact of surface adsorbed oxygen species. International Journal of Hydrogen Energy 2020, 46, 3780 -3788.

AMA Style

Ahmed Sadeq Al-Fatesh, Anis Hamza Fakeeha, Ahmed Aidid Ibrahim, Ahmed Elhag Abasaeed. Ni supported on La2O3+ZrO2 for dry reforming of methane: The impact of surface adsorbed oxygen species. International Journal of Hydrogen Energy. 2020; 46 (5):3780-3788.

Chicago/Turabian Style

Ahmed Sadeq Al-Fatesh; Anis Hamza Fakeeha; Ahmed Aidid Ibrahim; Ahmed Elhag Abasaeed. 2020. "Ni supported on La2O3+ZrO2 for dry reforming of methane: The impact of surface adsorbed oxygen species." International Journal of Hydrogen Energy 46, no. 5: 3780-3788.

Journal article
Published: 29 October 2020 in Molecules
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Catalysts of 10% Ni, supported on promoted alumina, were used to accomplish the partial oxidation of methane. The alumina support was doped with oxides of Mo, Mg, Ti and Y. An incipient wetness impregnation technique was used to synthesize the catalysts. The physicochemical properties of the catalysts were described by XRD, H2-TPR (temperature programmed reduction), BET, TGA, CO2-TPD (temperature-programmed desorption) and Raman. The characterization results denoted that Ni has a strong interaction with the support. The TGA investigation of spent catalysts displayed the anticoking enhancement of the promoters. The impact of the support promoters on the catalyst stability, methane conversion and H2 yield was inspected. Stability tests were done for 460 min. The H2 yields were 76 and 60% and the CH4 conversions were 67 and 92%, respectively, over Ni/Al2O3+Mg, when the reaction temperatures were 550 and 650 °C, respectively. The performance of the present work was compared to relevant findings in the literature.

ACS Style

Ahmed A. Ibrahim; Wasim U. Khan; Fahad Al-Mubaddel; Ahmed S. Al-Fatesh; Samsudeen O. Kasim; Sofiu L. Mahmud; Ateyah A. Al-Zahrani; M. Rafiq H. Siddiqui; Anis H. Fakeeha. Study of Partial Oxidation of Methane by Ni/Al2O3 Catalyst: Effect of Support Oxides of Mg, Mo, Ti and Y as Promoters. Molecules 2020, 25, 5029 .

AMA Style

Ahmed A. Ibrahim, Wasim U. Khan, Fahad Al-Mubaddel, Ahmed S. Al-Fatesh, Samsudeen O. Kasim, Sofiu L. Mahmud, Ateyah A. Al-Zahrani, M. Rafiq H. Siddiqui, Anis H. Fakeeha. Study of Partial Oxidation of Methane by Ni/Al2O3 Catalyst: Effect of Support Oxides of Mg, Mo, Ti and Y as Promoters. Molecules. 2020; 25 (21):5029.

Chicago/Turabian Style

Ahmed A. Ibrahim; Wasim U. Khan; Fahad Al-Mubaddel; Ahmed S. Al-Fatesh; Samsudeen O. Kasim; Sofiu L. Mahmud; Ateyah A. Al-Zahrani; M. Rafiq H. Siddiqui; Anis H. Fakeeha. 2020. "Study of Partial Oxidation of Methane by Ni/Al2O3 Catalyst: Effect of Support Oxides of Mg, Mo, Ti and Y as Promoters." Molecules 25, no. 21: 5029.

Journal article
Published: 17 August 2020 in Scientific Reports
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The generation of synthesis gas (hydrogen and carbon monoxide mixture) from two global warming gases of carbon dioxide and methane via dry reforming is environmentally crucial and for the chemical industry as well. Herein, magnesium-promoted NiO supported on mesoporous zirconia, 5Ni/xMg–ZrO2 (x = 0, 3, 5, 7 wt%) were prepared by wet impregnation method and then were tested for syngas production via dry reforming of methane. The reaction temperature at 800 °C was found more catalytically active than that at 700 °C due to the endothermic feature of reaction which promotes efficient CH4 catalytic decomposition over Ni and Ni–Zr interface as confirmed by CH4–TSPR experiment. NiO–MgO solid solution interacted with ZrO2 support was found crucial and the reason for high CH4 and CO2 conversions. The highest catalyst stability of the 5Ni/3Mg–ZrO2 catalyst was explained by the ability of CO2 to partially oxidize the carbon deposit over the surface of the catalyst. A mole ratio of hydrogen to carbon monoxide near unity (H2/CO ~ 1) was obtained over 5Ni/ZrO2 and 5Ni/5Mg–ZrO2, implying the important role of basic sites. Our approach opens doors for designing cheap and stable dry reforming catalysts from two potent greenhouse gases which could be of great interest for many industrial applications, including syngas production and other value-added chemicals.

ACS Style

Ahmed S. Al-Fatesh; Rawesh Kumar; Anis H. Fakeeha; Samsudeen O. Kasim; Jyoti Khatri; Ahmed A. Ibrahim; Rasheed Arasheed; Muhamad Alabdulsalam; Mahmud S. Lanre; Ahmed Osman; Ahmed E. Abasaeed; Abdulaziz Bagabas. Promotional effect of magnesium oxide for a stable nickel-based catalyst in dry reforming of methane. Scientific Reports 2020, 10, 1 -10.

AMA Style

Ahmed S. Al-Fatesh, Rawesh Kumar, Anis H. Fakeeha, Samsudeen O. Kasim, Jyoti Khatri, Ahmed A. Ibrahim, Rasheed Arasheed, Muhamad Alabdulsalam, Mahmud S. Lanre, Ahmed Osman, Ahmed E. Abasaeed, Abdulaziz Bagabas. Promotional effect of magnesium oxide for a stable nickel-based catalyst in dry reforming of methane. Scientific Reports. 2020; 10 (1):1-10.

Chicago/Turabian Style

Ahmed S. Al-Fatesh; Rawesh Kumar; Anis H. Fakeeha; Samsudeen O. Kasim; Jyoti Khatri; Ahmed A. Ibrahim; Rasheed Arasheed; Muhamad Alabdulsalam; Mahmud S. Lanre; Ahmed Osman; Ahmed E. Abasaeed; Abdulaziz Bagabas. 2020. "Promotional effect of magnesium oxide for a stable nickel-based catalyst in dry reforming of methane." Scientific Reports 10, no. 1: 1-10.

Journal article
Published: 16 July 2020 in Catalysts
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An environmentally-benign way of producing hydrogen is methane decomposition. This study focused on methane decomposition using Fe and Fe-Ni catalysts, which were dispersed over different supports by the wet-impregnation method. We observed the effect of modifying ZrO2 with La2O3 and WO3 in terms of H2 yield and carbon deposits. The modification led to a higher H2 yield in all cases and WO3-modified support gave the highest yield of about 90% and was stable throughout the reaction period. The reaction conditions were at 1 atm, 800 °C, and 4000 mL(hgcat)−1 space velocity. Adding Ni to Fe/x-ZrO2 gave a higher H2 yield and stability for ZrO2 and La2O3 + ZrO2-supported catalysts whose prior performances and stabilities were very poor. Catalyst samples were analyzed by characterization techniques like X-ray diffraction (XRD), nitrogen physisorption, temperature-programmed reduction (TPR), thermo-gravimetric analysis (TGA), and Raman spectroscopy. The phases of iron and the supports were identified using XRD while the BET revealed a significant decrease in the specific surface areas of fresh catalysts relative to supports. A progressive change in Fe’s oxidation state from Fe3+ to Fe0 was observed from the H2-TPR results. The carbon deposits on Fe/ZrO2 and Fe/La2O3 + ZrO2 are mainly amorphous, while Fe/WO3 + ZrO2 and Fe-Ni/x-ZrO2 are characterized by graphitic carbon.

ACS Style

Fahad Al-Mubaddel; Samsudeen Kasim; Ahmed A. Ibrahim; Abdulrhman S. Al-Awadi; Anis H. Fakeeha; Ahmed S. Al-Fatesh. H2 Production from Catalytic Methane Decomposition Using Fe/x-ZrO2 and Fe-Ni/(x-ZrO2) (x = 0, La2O3, WO3) Catalysts. Catalysts 2020, 10, 793 .

AMA Style

Fahad Al-Mubaddel, Samsudeen Kasim, Ahmed A. Ibrahim, Abdulrhman S. Al-Awadi, Anis H. Fakeeha, Ahmed S. Al-Fatesh. H2 Production from Catalytic Methane Decomposition Using Fe/x-ZrO2 and Fe-Ni/(x-ZrO2) (x = 0, La2O3, WO3) Catalysts. Catalysts. 2020; 10 (7):793.

Chicago/Turabian Style

Fahad Al-Mubaddel; Samsudeen Kasim; Ahmed A. Ibrahim; Abdulrhman S. Al-Awadi; Anis H. Fakeeha; Ahmed S. Al-Fatesh. 2020. "H2 Production from Catalytic Methane Decomposition Using Fe/x-ZrO2 and Fe-Ni/(x-ZrO2) (x = 0, La2O3, WO3) Catalysts." Catalysts 10, no. 7: 793.

Article
Published: 11 June 2020 in Journal of Materials Science: Materials in Electronics
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In this study, an electrochemical sensor for the detection of 4-Nitrophenol (referred to as 4-NP) was developed based on templated silver nanoparticles (AgNPs) on reduced graphene oxide (rGO) nanosheets (Ag-rGO) and utilized as an electrocatalyst. It was found that the resulting composite exhibits enhanced catalytic activity towards the reduction of 4-NP. The cubic shaped AgNPs templated on rGO nanosheets has been successfully fabricated by a chemical reduction method using sodium borohydride (NaBH4), and it was well characterized through morphological and electrochemical techniques: Ultraviolet–Visible spectroscopy (UV -Vis), scanning electron microscopy (SEM) equipped with energy-dispersive spectroscopy (SEM–EDS), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), cyclic voltammetry (CV), and chronoamperometry. The obtained results revealed that the AgNPs scattered on rGO sheets are spherical in shape, and it’s estimated to be a dimension of ~ 60 nm in size. The prepared crystalline Ag-rGO nano sheets were further applied as an electrode material for the electrochemical examination with three electrode system to sense the hazardous material 4-NP in PBS. The electrochemical studies were conducted through CV under the condition of bare and coated electrode (Ag-rGO/GCE) with influence of concentration (4-NP from 2 to 150 mM), scan rate, reproducibility (RSD-2.87%) and stability test (4-NP-20 µM) were examined. The data reveal that the Ag-rGO/GCE exhibit highly reproducible and sustainable for the reduction of toxic 4-NP. The chronoamperometry study for current and time response was also studied at two different potentials (− 0.3 V & − 0.6 V), respectively.

ACS Style

Naushad Ahmad; Ahmed S. Al-Fatesh; Rizwan Wahab; Manawwer Alam; Anis H. Fakeeha. Synthesis of silver nanoparticles decorated on reduced graphene oxide nanosheets and their electrochemical sensing towards hazardous 4-nitrophenol. Journal of Materials Science: Materials in Electronics 2020, 31, 11927 -11937.

AMA Style

Naushad Ahmad, Ahmed S. Al-Fatesh, Rizwan Wahab, Manawwer Alam, Anis H. Fakeeha. Synthesis of silver nanoparticles decorated on reduced graphene oxide nanosheets and their electrochemical sensing towards hazardous 4-nitrophenol. Journal of Materials Science: Materials in Electronics. 2020; 31 (14):11927-11937.

Chicago/Turabian Style

Naushad Ahmad; Ahmed S. Al-Fatesh; Rizwan Wahab; Manawwer Alam; Anis H. Fakeeha. 2020. "Synthesis of silver nanoparticles decorated on reduced graphene oxide nanosheets and their electrochemical sensing towards hazardous 4-nitrophenol." Journal of Materials Science: Materials in Electronics 31, no. 14: 11927-11937.

Original research article
Published: 29 April 2020 in Frontiers in Chemistry
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A leading method for hydrogen production that is free of carbon oxides is catalytic methane decomposition. In this research, Fe and Fe–Ni supported catalysts prepared by the wet impregnation method were used in methane decomposition. The effects of doping the parent support (ZrO2) with La2O3 and WO3 were studied. It was discovered that the support doped with La2O3 gave the best performance in terms of CH4 conversion, H2 yield, and stability at the test condition, 800°C and 4,000-ml h−1 g−1 cat. space velocity. The addition of Ni significantly improved the performance of all the monometallic catalysts. The catalysts were characterized by X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET), temperature-programmed reduction/oxidation (TPR/TPO), thermogravimetric analyzer (TGA), and microscopy (SEM and Raman) techniques. Phases of the different forms of Fe were identified by XRD. BET showed a drastic decline in the specific surface area of the catalysts with respect to the supports. TPR profiles revealed a progressive change in the valency of Fe in its combined form to the zero valence-free metal. The La2O3-promoted support gave the best performance and maintained good stability during the time on stream.

ACS Style

Anis H. Fakeeha; Samsudeen Olajide Kasim; Ahmed Aidid Ibrahim; Abdulrhman S. Al-Awadi; Eman Alzahrani; Ahmed Elhag Abasaeed; Ahmed E. Awadallah; Ahmed Sadeq Al-Fatesh. Methane Decomposition Over ZrO2-Supported Fe and Fe–Ni Catalysts—Effects of Doping La2O3 and WO3. Frontiers in Chemistry 2020, 8, 1 .

AMA Style

Anis H. Fakeeha, Samsudeen Olajide Kasim, Ahmed Aidid Ibrahim, Abdulrhman S. Al-Awadi, Eman Alzahrani, Ahmed Elhag Abasaeed, Ahmed E. Awadallah, Ahmed Sadeq Al-Fatesh. Methane Decomposition Over ZrO2-Supported Fe and Fe–Ni Catalysts—Effects of Doping La2O3 and WO3. Frontiers in Chemistry. 2020; 8 ():1.

Chicago/Turabian Style

Anis H. Fakeeha; Samsudeen Olajide Kasim; Ahmed Aidid Ibrahim; Abdulrhman S. Al-Awadi; Eman Alzahrani; Ahmed Elhag Abasaeed; Ahmed E. Awadallah; Ahmed Sadeq Al-Fatesh. 2020. "Methane Decomposition Over ZrO2-Supported Fe and Fe–Ni Catalysts—Effects of Doping La2O3 and WO3." Frontiers in Chemistry 8, no. : 1.

Journal article
Published: 28 April 2020 in Processes
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Dry reforming of CH4 was conducted over promoted Ni catalysts, supported on mesoporous gamma-alumina. The Ni catalysts were promoted by various metal oxides (CuO, ZnO, Ga2O3, or Gd2O3) and were synthesized by the incipient wetness impregnation method. The influence of the promoters on the catalyst stability, coke deposition, and H2/CO mole ratio was investigated. Stability tests were carried out for 460 min. The H2 yield was 87% over 5Ni+1Gd/Al, while the CH4 and CO2 conversions were found to decrease in the following order: 5Ni+1Gd/Al > 5Ni+1Ga/Al > 5Ni+1Zn/Al > 5Ni/Al > 5Ni+1Cu/Al. The high catalytic performance of 5Ni+1Gd/Al, 5Ni+1Ga/Al, and 5Ni+1Zn/Al was found to be closely related to their contents of NiO species, which interacted moderately and strongly with the support, whereas free NiO in 5Ni+1Cu/Al made it catalytically inactive, even than 5Ni/Al. The 5Ni+1Gd/Al catalyst showed the highest CH4 conversion of 83% with H2/CO mole ratio of ~1.0.

ACS Style

Anis H. Fakeeha; Abdulaziz A. Bagabas; Mahmud S. Lanre; Ahmed Osman; Samsudeen O. Kasim; Ahmed A. Ibrahim; Rasheed Arasheed; Abdulmajeed Alkhalifa; Ahmed Y. Elnour; Ahmed E. Abasaeed; Ahmed S. Al-Fatesh. Catalytic Performance of Metal Oxides Promoted Nickel Catalysts Supported on Mesoporous γ-Alumina in Dry Reforming of Methane. Processes 2020, 8, 522 .

AMA Style

Anis H. Fakeeha, Abdulaziz A. Bagabas, Mahmud S. Lanre, Ahmed Osman, Samsudeen O. Kasim, Ahmed A. Ibrahim, Rasheed Arasheed, Abdulmajeed Alkhalifa, Ahmed Y. Elnour, Ahmed E. Abasaeed, Ahmed S. Al-Fatesh. Catalytic Performance of Metal Oxides Promoted Nickel Catalysts Supported on Mesoporous γ-Alumina in Dry Reforming of Methane. Processes. 2020; 8 (5):522.

Chicago/Turabian Style

Anis H. Fakeeha; Abdulaziz A. Bagabas; Mahmud S. Lanre; Ahmed Osman; Samsudeen O. Kasim; Ahmed A. Ibrahim; Rasheed Arasheed; Abdulmajeed Alkhalifa; Ahmed Y. Elnour; Ahmed E. Abasaeed; Ahmed S. Al-Fatesh. 2020. "Catalytic Performance of Metal Oxides Promoted Nickel Catalysts Supported on Mesoporous γ-Alumina in Dry Reforming of Methane." Processes 8, no. 5: 522.

Paper
Published: 17 April 2020 in RSC Advances
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Metal-free imidazolium-based ionic liquid (IL) Brønsted acids 1-methyl imidazolium hydrogen sulphate [HMIM]HSO4 and 1-methyl benzimidazolium hydrogen sulphate [HMBIM]HSO4 were synthesized.

ACS Style

Abhishek Dhar; Nadavala Siva Kumar; Mehul Khimani; Ahmed S. Al-Fatesh; Ahmed A. Ibrahim; Anis H. Fakeeha; Hiren Patel; Rohit L. Vekariya. Silica-immobilized ionic liquid Brønsted acids as highly effective heterogeneous catalysts for the isomerization of n-heptane and n-octane. RSC Advances 2020, 10, 15282 -15292.

AMA Style

Abhishek Dhar, Nadavala Siva Kumar, Mehul Khimani, Ahmed S. Al-Fatesh, Ahmed A. Ibrahim, Anis H. Fakeeha, Hiren Patel, Rohit L. Vekariya. Silica-immobilized ionic liquid Brønsted acids as highly effective heterogeneous catalysts for the isomerization of n-heptane and n-octane. RSC Advances. 2020; 10 (26):15282-15292.

Chicago/Turabian Style

Abhishek Dhar; Nadavala Siva Kumar; Mehul Khimani; Ahmed S. Al-Fatesh; Ahmed A. Ibrahim; Anis H. Fakeeha; Hiren Patel; Rohit L. Vekariya. 2020. "Silica-immobilized ionic liquid Brønsted acids as highly effective heterogeneous catalysts for the isomerization of n-heptane and n-octane." RSC Advances 10, no. 26: 15282-15292.

Journal article
Published: 11 April 2020 in Renewable Energy
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A leading method of hydrogen production that is free of carbon oxides is catalytic methane decomposition. In this research, Fe supported catalysts produced by wet impregnation method were employed in the methane decomposition. The effect of doping ZrO2 with La2O3 and WO3 on the catalytic performance was studied. Different techniques were used to characterize the catalysts. It was discovered that support doped with WO3 gave the best performance in terms of CH4 conversion, H2 yield and stability at the test condition (800 °C, 4000 ml/hgcat space velocity). The initial H2 yield was found to be 58%, 81% and 92% on Fe/ZrO2, Fe/La2O3–ZrO2 and Fe/WO3–ZrO2 catalysts, respectively. These values were significantly decreased to reach 20% and 25% over the Fe/ZrO2 and Fe/La2O3–ZrO2 catalysts after running for 240 min. On the contrary, the Fe/WO3–ZrO2 catalyst maintained its catalytic activity and stability within the reaction time. The BET results showed remarkable increase in the specific surface area of Fe/La2O3+ZrO2 and Fe/WO3+ZrO2 compared to Fe/ZrO2 catalyst. TPR profiles revealed progressive change in the valency of Fe in its combined form to the zero valence free metal. The Fe/WO3–ZrO2 catalyst showed the highest reduction temperature among the tested catalysts, probably due to the strong metal support interaction. The Fe/WO3–ZrO2 gave the best performance and maintained stability during the time on stream. Its stability was attributed to the higher dispersion and stabilization of iron nanoparticles on the surface of WO3–ZrO2 support. TEM and TPO results indicated that the deposited carbon was multi-walled carbon nanotubes with tabular structure.

ACS Style

Ahmed Sadeq Al -Fatesh; Samsudeen Olajide Kasim; Ahmed Aidid Ibrahim; Abdulrhman S. Al-Awadi; Ahmed Elhag Abasaeed; Anis H. Fakeeha; Ahmed Awadallah. Catalytic methane decomposition over ZrO2 supported iron catalysts: Effect of WO3 and La2O3 addition on catalytic activity and stability. Renewable Energy 2020, 155, 969 -978.

AMA Style

Ahmed Sadeq Al -Fatesh, Samsudeen Olajide Kasim, Ahmed Aidid Ibrahim, Abdulrhman S. Al-Awadi, Ahmed Elhag Abasaeed, Anis H. Fakeeha, Ahmed Awadallah. Catalytic methane decomposition over ZrO2 supported iron catalysts: Effect of WO3 and La2O3 addition on catalytic activity and stability. Renewable Energy. 2020; 155 ():969-978.

Chicago/Turabian Style

Ahmed Sadeq Al -Fatesh; Samsudeen Olajide Kasim; Ahmed Aidid Ibrahim; Abdulrhman S. Al-Awadi; Ahmed Elhag Abasaeed; Anis H. Fakeeha; Ahmed Awadallah. 2020. "Catalytic methane decomposition over ZrO2 supported iron catalysts: Effect of WO3 and La2O3 addition on catalytic activity and stability." Renewable Energy 155, no. : 969-978.

Journal article
Published: 01 April 2020 in Catalysts
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In this paper, a comprehensive study was carried out on the application of perovskite catalyst in dry reforming of CH4. The perovskite catalyst was prepared using a sol–gel method. The prepared samples were characterized by N2 adsorption/desorption, TPR, XRD, CO2-TPD, TGA, TPO, Raman, and SEM techniques. In addition, the effect of operating pressure, namely, 1 bar, 3 bar, 5 bar, and 7 bar, temperature (500–800 °C) was evaluated. The characterization results indicated that catalysts operated at 1 bar, gas hourly space velocity of 84000 (mL/g/h) gave the best catalytic performance. CH4 and CO2 conversions of 77 and 80% were obtained at 1 bar and at 700 °C reaction temperature. The increase of reaction temperatures from 500 °C to 800 °C increased the reaction rate and hence the methane and carbon dioxide conversions were increased. A unity ratio of H2/CO was obtained at 1 bar for temperatures 600 °C and above. Similarly, the time on stream tests, obtained at a 700 °C reaction temperature, showed that the best ratio in terms of the closeness of unity and the stable profile could be attained when the pressure was set to 1 bar. The TGA analysis showed the drop of mass due to oxidation of carbon deposits, which started at 500 °C. The catalyst operated at 1 bar produced the least amount of carbon, equivalent to 35% weight loss, while the 3 and 5 bar operated catalysts generated carbon formation, equivalent to 65% weight loss. However, the 7 bar operated catalyst resulted the highest accumulation of carbon formation, equivalent to 83% weight reduction. Hence, the TGA profile indicated the relative carbon deposition on the catalyst, which was dependent of the operated pressure and hence confirmed the suitability operation pressure of 1 bar. The characterizations of the Raman, EDX, TGA, and TPO all presented the formation of carbon.

ACS Style

Anis Hamza Fakeeha; Ahmed Sadeq Al-Fatesh; Jehad K. Abu-Dahrieh; Ahmed Aidid Ibrahim; Samsudeen Olajide Kasim; Ahmed Elhag Abasaeed. Effect of Pressure on Na0.5La0.5Ni0.3Al0.7O2.5 Perovskite Catalyst for Dry Reforming of CH4. Catalysts 2020, 10, 379 .

AMA Style

Anis Hamza Fakeeha, Ahmed Sadeq Al-Fatesh, Jehad K. Abu-Dahrieh, Ahmed Aidid Ibrahim, Samsudeen Olajide Kasim, Ahmed Elhag Abasaeed. Effect of Pressure on Na0.5La0.5Ni0.3Al0.7O2.5 Perovskite Catalyst for Dry Reforming of CH4. Catalysts. 2020; 10 (4):379.

Chicago/Turabian Style

Anis Hamza Fakeeha; Ahmed Sadeq Al-Fatesh; Jehad K. Abu-Dahrieh; Ahmed Aidid Ibrahim; Samsudeen Olajide Kasim; Ahmed Elhag Abasaeed. 2020. "Effect of Pressure on Na0.5La0.5Ni0.3Al0.7O2.5 Perovskite Catalyst for Dry Reforming of CH4." Catalysts 10, no. 4: 379.

Journal article
Published: 18 February 2020 in Catalysts
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Dry reforming of methane (DRM) was studied in the light of Ni supported on 8%PO4 + ZrO2 catalysts. Cerium was used to modify the Ni active metal. Different percentage loadings of Ce (1%, 1.5%, 2%, 2.5%, 3%, and 5%) were tested. The wet incipient impregnation method was used for the preparation of all catalysts. The catalysts were activated at 700 °C for ½ h. The reactions were performed at 800 °C using a gas hourly space velocity of 28,000 mL (h·gcat)−1. X-ray diffraction (XRD), N2 physisorption, hydrogen temperature programmed reduction (H2-TPR), temperature programmed oxidation (TPO), temperature programmed desorption (TPD), and thermogravimetric analysis (TGA) were used for characterizing the catalysts. The TGA analysis depicted minor amounts of carbon deposition. The CO2-TPD results showed that Ce enhanced the basicity of the catalysts. The 3% Ce loading possessed the highest surface area, the largest pore volume, and the greatest pore diameter. All the promoted catalysts enhanced the conversions of CH4 and CO2. Among the promoted catalysts tested, the 10Ni + 3%Ce/8%PO4 + ZrO2 catalyst system operated at 1 bar and at 800 °C gave the highest conversions of CH4 (95%) and CO2 (96%). The stability profile of Cerium-modified catalysts (10%Ni/8%PO4 + ZrO2) depicted steady CH4 and CO2 conversions during the 7.5 h time on stream.

ACS Style

Ahmed A. Ibrahim; Ahmed S. Al-Fatesh; Nadavala Siva Kumar; Ahmed E. Abasaeed; Samsudeen O. Kasim; Anis H. Fakeeha. Dry Reforming of Methane Using Ce-modified Ni Supported on 8%PO4 + ZrO2 Catalysts. Catalysts 2020, 10, 242 .

AMA Style

Ahmed A. Ibrahim, Ahmed S. Al-Fatesh, Nadavala Siva Kumar, Ahmed E. Abasaeed, Samsudeen O. Kasim, Anis H. Fakeeha. Dry Reforming of Methane Using Ce-modified Ni Supported on 8%PO4 + ZrO2 Catalysts. Catalysts. 2020; 10 (2):242.

Chicago/Turabian Style

Ahmed A. Ibrahim; Ahmed S. Al-Fatesh; Nadavala Siva Kumar; Ahmed E. Abasaeed; Samsudeen O. Kasim; Anis H. Fakeeha. 2020. "Dry Reforming of Methane Using Ce-modified Ni Supported on 8%PO4 + ZrO2 Catalysts." Catalysts 10, no. 2: 242.

Articles
Published: 05 February 2020 in Chemical Engineering Communications
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Ahmed Alfatesh; Ahmed A. Ibrahim; Abdulaziz M. AlSharekh; Fawaz S. Alqahtani; Samsudeen O. Kasim; Salma A. Al-Zahrani; Anis H. Fakeeha. Methane decomposition over strontium promoted iron catalyst: effect of different ratio of Al/Si support on hydrogen yield. Chemical Engineering Communications 2020, 207, 1148 -1156.

AMA Style

Ahmed Alfatesh, Ahmed A. Ibrahim, Abdulaziz M. AlSharekh, Fawaz S. Alqahtani, Samsudeen O. Kasim, Salma A. Al-Zahrani, Anis H. Fakeeha. Methane decomposition over strontium promoted iron catalyst: effect of different ratio of Al/Si support on hydrogen yield. Chemical Engineering Communications. 2020; 207 (8):1148-1156.

Chicago/Turabian Style

Ahmed Alfatesh; Ahmed A. Ibrahim; Abdulaziz M. AlSharekh; Fawaz S. Alqahtani; Samsudeen O. Kasim; Salma A. Al-Zahrani; Anis H. Fakeeha. 2020. "Methane decomposition over strontium promoted iron catalyst: effect of different ratio of Al/Si support on hydrogen yield." Chemical Engineering Communications 207, no. 8: 1148-1156.

Journal article
Published: 01 August 2019 in International Journal of Hydrogen Energy
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ACS Style

Ahmed Alfatesh; Jehad K. Abu-Dahrieh; Hanan Atia; Udo Armbruster; Ahmed A. Ibrahim; Wasim U. Khan; Ahmed Elhag Abasaeed; Anis H. Fakeeha. Effect of pre-treatment and calcination temperature on Al2O3-ZrO2 supported Ni-Co catalysts for dry reforming of methane. International Journal of Hydrogen Energy 2019, 44, 21546 -21558.

AMA Style

Ahmed Alfatesh, Jehad K. Abu-Dahrieh, Hanan Atia, Udo Armbruster, Ahmed A. Ibrahim, Wasim U. Khan, Ahmed Elhag Abasaeed, Anis H. Fakeeha. Effect of pre-treatment and calcination temperature on Al2O3-ZrO2 supported Ni-Co catalysts for dry reforming of methane. International Journal of Hydrogen Energy. 2019; 44 (39):21546-21558.

Chicago/Turabian Style

Ahmed Alfatesh; Jehad K. Abu-Dahrieh; Hanan Atia; Udo Armbruster; Ahmed A. Ibrahim; Wasim U. Khan; Ahmed Elhag Abasaeed; Anis H. Fakeeha. 2019. "Effect of pre-treatment and calcination temperature on Al2O3-ZrO2 supported Ni-Co catalysts for dry reforming of methane." International Journal of Hydrogen Energy 44, no. 39: 21546-21558.

Journal article
Published: 31 May 2019 in Materials
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A promising method to reduce global warming has been methane reforming with CO2, as it combines two greenhouse gases to obtain useful products. In this study, Ni-supported catalysts were synthesized using the wet impregnation method to obtain 5%Ni/Al2O3(SA-5239), 5%Ni/Al2O3(SA-6175), 5%Ni/SiO2, 5%Ni/MCM41, and 5%Ni/SBA15. The catalysts were tested in dry reforming of methane at 700 °C, 1 atm, and a space velocity of 39,000 mL/gcat h, to study the interaction of Ni with the supports, and evaluation was based on CH4 and CO2 conversions. 5%Ni/Al2O3(SA-6175) and 5%Ni/SiO2 gave the highest conversion of CH4 (78 and 75%, respectively) and CO2 (84 and 82%, respectively). The catalysts were characterized by some techniques. Ni phases were identified by X-ray diffraction patterns. Brunauer–Emmett–Teller analysis showed different surface areas of the catalysts with the least being 4 m2/g and the highest 668 m2/g belonging to 5%Ni/Al2O3(SA-5239) and 5%Ni/SBA15, respectively. The reduction profiles revealed weak NiO-supports interaction for 5%Ni/Al2O3(SA-5239), 5%Ni/MCM41, and 5%Ni/SBA15; while strong interaction was observed in 5%Ni/Al2O3(SA-6175) and 5%Ni/SiO2. The 5%Ni/Al2O3(SA-6175) and 5%Ni/SiO2 were close with respect to performance; however, the former had a higher amount of carbon deposit, which is mostly graphitic, according to the conducted thermal analysis. Carbon deposits on 5%Ni/SiO2 were mainly atomic in nature.

ACS Style

Anis Hamza Fakeeha; Samsudeen Olajide Kasim; Ahmed Aidid Ibrahim; Ahmed Elhag Abasaeed; Ahmed Sadeq Al-Fatesh. Influence of Nature Support on Methane and CO2 Conversion in a Dry Reforming Reaction over Nickel-Supported Catalysts. Materials 2019, 12, 1777 .

AMA Style

Anis Hamza Fakeeha, Samsudeen Olajide Kasim, Ahmed Aidid Ibrahim, Ahmed Elhag Abasaeed, Ahmed Sadeq Al-Fatesh. Influence of Nature Support on Methane and CO2 Conversion in a Dry Reforming Reaction over Nickel-Supported Catalysts. Materials. 2019; 12 (11):1777.

Chicago/Turabian Style

Anis Hamza Fakeeha; Samsudeen Olajide Kasim; Ahmed Aidid Ibrahim; Ahmed Elhag Abasaeed; Ahmed Sadeq Al-Fatesh. 2019. "Influence of Nature Support on Methane and CO2 Conversion in a Dry Reforming Reaction over Nickel-Supported Catalysts." Materials 12, no. 11: 1777.

Journal article
Published: 22 May 2019 in Catalysts
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Ni supported on bare and modified ZrO2 samples were synthesized using the incipient wet impregnation method. The t-ZrO2 phase was stabilized by incorporation of La2O3 into ZrO2. Moreover, the influence of CeO2-doping on the physico-chemical and catalytic properties under CO2 reforming conditions was probed. The characterization data of the investigated catalysts were obtained by using XRD, CO2/H2-TPD, BET, TPR, TPO, TGA, XPS and TEM characterization techniques. In the pristine Ni/Zr catalyst, the t-ZrO2 phase transformed into the monoclinic phase. However, upon support modification by La2O3, significant effects on the physicochemical properties were observed due to the monoclinic-to-tetragonal ZrO2 phase transformation also affecting the catalytic activity. As a result, superior activity on the La2O3 modified Ni/Zr catalyst was achieved, while no relevant change in the surface properties and activity of the catalysts was detected after doping by CeO2. The peculiar behavior of the Ni/La-ZrO2 sample was related to higher dispersion of the active phase, with a more pronounced stabilization of the t-ZrO2 phase.

ACS Style

Ahmed Sadeq Al-Fatesh; Yasir Arafat; Ahmed Aidid Ibrahim; Samsudeen Olajide Kasim; Abdulrahman Alharthi; Anis Hamza Fakeeha; Ahmed Elhag Abasaeed; Giuseppe Bonura; Francesco Frusteri. Catalytic Behaviour of Ce-Doped Ni Systems Supported on Stabilized Zirconia under Dry Reforming Conditions. Catalysts 2019, 9, 473 .

AMA Style

Ahmed Sadeq Al-Fatesh, Yasir Arafat, Ahmed Aidid Ibrahim, Samsudeen Olajide Kasim, Abdulrahman Alharthi, Anis Hamza Fakeeha, Ahmed Elhag Abasaeed, Giuseppe Bonura, Francesco Frusteri. Catalytic Behaviour of Ce-Doped Ni Systems Supported on Stabilized Zirconia under Dry Reforming Conditions. Catalysts. 2019; 9 (5):473.

Chicago/Turabian Style

Ahmed Sadeq Al-Fatesh; Yasir Arafat; Ahmed Aidid Ibrahim; Samsudeen Olajide Kasim; Abdulrahman Alharthi; Anis Hamza Fakeeha; Ahmed Elhag Abasaeed; Giuseppe Bonura; Francesco Frusteri. 2019. "Catalytic Behaviour of Ce-Doped Ni Systems Supported on Stabilized Zirconia under Dry Reforming Conditions." Catalysts 9, no. 5: 473.