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Characterization and catalytic activity of soft-templated NiO-CeO

Luciano Atzori, Maria Giorgia Cutrufello, Daniela Meloni, Barbara Onida, Delia Gazzoli, Andrea Ardu, Roberto Monaci, Maria Franca Sini, Elisabetta Rombi

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2, Pages 251-268 doi: 10.1007/s11705-020-1951-8

Abstract: Nanosized NiO, CeO and NiO-CeO mixed oxides with different Ni/Ce molar ratios were prepared by theOn the catalysts submitted to the same reduction pretreatment adopted for the activity tests the surfaceNiO and CeO nanocrystals of about 4 nm in size were obtained, regardless of the Ni/Ce molar ratio.The Raman and X-ray photoelectron spectroscopy results proved the formation of defective sites at the NiO-CeOFourier transform infrared analyses of the reduced samples highlighted that, unlike metallic nickel, CeO

Keywords： soft template method NiO-CeO2sub> catalysts CO and CO2sub> co-methanation synthetic natural

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Catalytic combustion of methane over a highly active and stable NiO/CeO

Xiuhui Huang, Junfeng Li, Jun Wang, Zeqiu Li, Jiayin Xu

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4, Pages 534-545 doi: 10.1007/s11705-019-1821-4

Abstract: In this paper, a NiO/CeO catalyst with high catalytic performance in methane combustion was synthesizedAs a result, the mobility of bulk oxygen in CeO was increased.The presence of CeO prevented the aggregation of NiO, enhanced reduction by NiO, and provided more oxygenkinetics study indicated that the reaction order was about 1.07 for CH and about 0.10 for O over the NiO/CeO catalyst.

Keywords： methane combustion NiO/CeO2sub> catalyst interaction oxygen vacancy kinetic study

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Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2, Pages 156-161 doi: 10.1007/s11783-010-0295-x

Abstract: A series of CeO supported V O catalysts with various loadings were prepared with different calcinationThe catalysts were evaluated for low temperature selective catalytic reduction (SCR) of NO with ammoniaThe catalysts were characterized by specific surface areas (S ) and X–ray diffraction (XRD) methods.The formation of CeVO on the surface of catalysts caused the decrease of redox ability.

Keywords： V2sub>O5sub>/CeO2sub> catalysts NH3sub>-SCR (selective catalytic reduction

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Al2sub>O3sub> and CeO2sub>-promoted MgO sorbents for CO2sub> capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1, Pages 83-93 doi: 10.1007/s11705-017-1691-6

Abstract: A series of Al O and CeO modified MgO sorbents was prepared and studied for CO sorption at moderateThe CO sorption capacity of MgO was enhanced with the addition of either Al O or CeO .The highest capacity of 35.3 mg-CO /g-sorbent was obtained over the CeO -MgO sorbents at the optimalMoreover, the addition of CeO increased the basicity of MgO phase, resulting in more increase in theCompared to Al O , CeO is more effective for promoting the CO capacity of MgO.

Keywords： CO2sub> capture MgO sorbents Al2sub>O3sub> CeO2sub> flue gas

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Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8, Pages 1211-1223 doi: 10.1007/s11705-022-2145-3

Abstract: In this study, a Co3sub>O4sub>–CeO2sub> composite oxide catalyst was successfullyselectivity to KA-oil, which was benefited from the synergistic effects between Co³⁺/Co²⁺ and Ce⁴⁺/Ce³⁺ redox pairs, than bulk CeO2sub> and/or Co3sub>3sub>O4sub>–CeO2sub>.of different transition metals, this study provides a feasible strategy to design high-performance catalysts

Keywords： Co3sub>O4sub>–CeO2sub> composite oxides cyclohexanone cyclohexanol ultrasonic-assisted

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Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO heterostructures

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3, Pages 376-383 doi: 10.1007/s11705-021-2062-x

Abstract: In this communication, a novel bijunction CoS/CeO2sub> electrocatalyst grown on carbon cloth isThe interface engineering of CoS and CeO2sub> facilitates a rapid charge transfer from CeO2sub> to CoS./sup> and low Tafel slope of 76.2 mV∙dec^–1, and is superior to that of CoS (372 mV) and CeO2sub> (530 mV) counterparts.

Keywords： interface engineering CoS/CeO2sub> electrodeposition electrocatalyst oxygen evolution reaction

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Cu-doped Bi/Bi2sub>WO6sub> catalysts for efficient N2sub> fixation by photocatalysis

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10, Pages 1412-1422 doi: 10.1007/s11705-023-2312-1

Abstract: it in photocatalytic N2sub> immobilization.>2sub>WO6sub> composite.>2sub>WO6sub>.>2sub>WO6sub>, respectively.>2sub>-to-NH3sub> conversion.

Keywords： Bi2sub>WO6sub> Cu doping work function photocatalytic N2sub> fixation charge

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CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1539-2

Abstract:

• CeO2sub> doping significantly improved low-temperature NH3sub>-SCR activity on FeTiOxsub>.

Keywords： NH3sub>-SCR CeO2sub> doping Low-temperature NOxsub> removal Improved redox

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CO2sub> methanation and co-methanation of CO and CO2sub> over Mn-promoted Ni/Al2sub>O3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2, Pages 273-280 doi: 10.1007/s11705-016-1563-5

Abstract: A series of Mn-promoted 15 wt-% Ni/Al O catalysts were prepared by an incipient wetness impregnationThe effect of the Mn content on the activity of the Ni/Al O catalysts for CO methanation and the co-methanationThe catalysts were characterized by N physisorption, hydrogen temperature-programmed reduction and desorptionThe Mn-promoted 15 wt-% Ni/Al O catalysts had improved CO methanation activity especially at low temperatures

Keywords： Mn promotion nickel catalysts CO2sub> methanation co-methanation of CO and CO2sub>

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Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH3sub>

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10, Pages 1399-1411 doi: 10.1007/s11705-023-2345-5

Abstract: Three kinds of Ce-based catalysts (CePO4sub>, CeVO4sub>, Ce2sub>(SO4sub>)The catalytic efficiencies of the three catalysts are as follow: CePO4sub> > CeVO4sub>> on NH3sub>-SCR performances of Ce-based catalysts was systematically investigated by the X-rayFinally, CePO4sub> and CeVO4sub> catalysts also exhibited relatively strong tolerance of>2sub> for Ce2sub>(SO4sub>)3sub>.

Keywords： CePO4sub> CeVO4sub> Ce2sub>(SO4sub>)3sub> selective catalytic reduction

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Evaluation of H2sub> on the Evolution Mechanism of NOxsub> Storage and Reductionover Pt–Ba–Ce/γ-Al2sub>O3sub> Catalysts Article

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Engineering 2019, Volume 5, Issue 3, Pages 568-575 doi: 10.1016/j.eng.2019.02.005

Abstract:

In this investigation, Pt–Ba–Ce/γ-Al2sub>O3sub> catalysts were preparedThe physical and chemical properties of the Pt–Ba–Ce/γ-Al2sub>O3sub>catalysts were studied using a combination of characterization techniques, which showed that PtOxsub>, CeO2sub>, and BaCO3sub>, whose peaks were observed in X-ray diffraction>catsub> at 350 °C, which was ascribed to the increase in NO2sub> yield.

Keywords： Pt–Ba–Ce/γ-Al2sub>O3sub> catalysts Physicochemical properties NOxsub> storageand reduction NOxsub> emission H2sub> reductant

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Size and shape effects of MnFeO nanoparticles as catalysts for reductive degradation of dye pollutants

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, Pages 108-171 doi: 10.1007/s11783-021-1396-4

Abstract: Herein, we successfully synthesized three kinds of MnFe2sub>O4sub> NPs with distinctivesizes and shapes as catalysts for reductive degradation of methylene blue, rhodamine 6G, rhodamine BIt was found that the catalytic activities were dependent on the size and shape of the MnFe2subFurthermore, the MnFe2sub>O4sub> NPs could be readily recovered by a magnet and reusedThe size and shape effects of MnFe2sub>O4sub> nanoparticles demonstrated in this work not

Keywords： Dye degradation MnFe2sub>O4sub> nanoparticles Size and shape-control

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Tailoring the simultaneous abatement of methanol and NO on Sb-Ce-Zr catalysts via copper modification

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11684-022-1565-0

Abstract:

● Cu addition enhances CH3sub>OH oxidation and alleviates

Keywords： Copper modification Sb-CeZr2sub>Oxsub> catalyst NOxsub> Methanol

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Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3, Pages 265-270 doi: 10.1007/s11783-009-0019-2

Abstract: Experimental results showed that the catalysts were considerably stable in the CH combustion reaction

Keywords： Co3sub>O4sub>-SnO2sub> complete oxidation methane (CH4sub>)

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Synthesis, physicochemical characterizations and catalytic performance of Pd/carbon-zeolite and Pd/carbon-CeO

Zeinab JAMALZADEH, Mohammad HAGHIGHI, Nazli ASGARI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3, Pages 365-381 doi: 10.1007/s11783-013-0520-5

Abstract: from waste gas streams was investigated via catalytic oxidation over Pd/carbon-zeolite and Pd/carbon-CeOBET analysis indicated a considerable surface area for catalysts (~1000 m ·g ).FTIR patterns demonstrated that the surface groups of synthesized catalysts are in good agreement withThe performance of catalysts was assessed in a low-pressure catalytic oxidation pilot in the temperatureAccording to the reaction data, the synthesized catalysts have been shown to be so advantageous in the

Keywords： Pd/carbon-CeO2sub> Pd/carbon-zeolite pine cone ZnCl2sub> catalytic oxidation xylene

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Title Author Date Type Operation

Characterization and catalytic activity of soft-templated NiO-CeO

Luciano Atzori, Maria Giorgia Cutrufello, Daniela Meloni, Barbara Onida, Delia Gazzoli, Andrea Ardu, Roberto Monaci, Maria Franca Sini, Elisabetta Rombi

Journal Article

Catalytic combustion of methane over a highly active and stable NiO/CeO

Xiuhui Huang, Junfeng Li, Jun Wang, Zeqiu Li, Jiayin Xu

Journal Article

Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Journal Article

Al2sub>O3sub> and CeO2sub>-promoted MgO sorbents for CO2sub> capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Journal Article

Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Journal Article

Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO heterostructures

Journal Article

Cu-doped Bi/Bi2sub>WO6sub> catalysts for efficient N2sub> fixation by photocatalysis

Journal Article

CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Journal Article

CO2sub> methanation and co-methanation of CO and CO2sub> over Mn-promoted Ni/Al2sub>O3sub> catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

Effect of different acid anions on highly efficient Ce-based catalysts for selective catalytic reductionof NO with NH3sub>

Journal Article

Evaluation of H2sub> on the Evolution Mechanism of NOxsub> Storage and Reductionover Pt–Ba–Ce/γ-Al2sub>O3sub> Catalysts

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Journal Article

Size and shape effects of MnFeO nanoparticles as catalysts for reductive degradation of dye pollutants

Journal Article

Tailoring the simultaneous abatement of methanol and NO on Sb-Ce-Zr catalysts via copper modification

Journal Article

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Journal Article

Synthesis, physicochemical characterizations and catalytic performance of Pd/carbon-zeolite and Pd/carbon-CeO

Zeinab JAMALZADEH, Mohammad HAGHIGHI, Nazli ASGARI

Journal Article

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