NiMoO4 preparation from polyampholytic hybrid precursors: Benefiting of the memory effect in the oxidative dehydrogenation of propane

Farin, Benjamin; Swalus, Colas; Devillers, Michel; Gaigneaux, Éric M.

doi:10.1016/j.cattod.2012.03.070

Cited by 11 publications

(6 citation statements)

References 27 publications

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“…The pK a values of the two carboxylic functions and of the tertiary amine group of each C6 matrix repeating unit were already estimated between 2–3, 4–5 and 8–9 respectively. They are listed again in Table .…”

Section: Figurementioning

confidence: 93%

The Effect of Hydrophobicity on the Synthesis of Homogeneous and Nanostructured NiMo-Based Hybrid Materials

2016

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Nanostructured hybrid materials made of guest ions and a polyampholytic self‐assembled copolymer are here synthesized. Their lamellar organization results from hydrophobic interactions between the copolymer alkyl side chains. Longer side chains improve the organization of hybrids what makes them more attractive to be used as a template for the preparation of sophisticated catalysts. However, they also enhance the hydrophobicity of the copolymer what complicates the synthesis of such hybrids. Dodecyl side chains appear as a compromise that enables to prepare well organized hybrids without sacrificing the copolymer capacity to link ions.

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Section: Figurementioning

confidence: 93%

The Effect of Hydrophobicity on the Synthesis of Homogeneous and Nanostructured NiMo-Based Hybrid Materials

2016

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“…Such materials are of great technological interest due to their attractive physicochemical properties. Materials Research Nickel molybdate has been used in several applications due to its excellent properties, such as in photocatalytic reactions for degradation of organic pollutants because of its excellent performance under uv-vis light 24 , as catalyst in oxidative dehydrogenation reactions, which occur under specific conditions of high temperature and/or high pressure [25][26][27] , also in reactions of hydrodesulfurization and hydrodenitrogenation [28][29][30] , and more recently as a supercapacitor, as it exhibits redox pairs that act in the charging and discharging process in these devices and high specific capacitance with 94% efficiency even after 1000 cycles according to the work of Seevakan et al 31 . Saravanakumar and collaborators 32 reported that it is possible to obtain nickel molybdate with different morphological configurations depending on the synthesis facings and that these influenced its performance as a capacitor.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of NiMoO4 by the Complexation Method Combining EDTA-Citrate and its Behavior Against Biodiesel Acidity

Silva

et al. 2021

Mat. Res.

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In this paper, NiMoO 4 powder was synthesized by the complexation method combining EDTA-Citrate. The behavior of the NiMoO 4 material in the ethyl transesterification reaction was evaluated by analyzing the acidity index under specified reaction conditions. The results showed that NiMoO 4 crystallized at 800 °C with a total mass loss of 85%, presenting a monoclinic structure, free of secondary phases, high degree of crystallinity and average crystallite size of 140 nm. The particles had heterogeneous sizes and shapes, but with well-defined contours. The increase in the mass of NiMoO 4 in the reaction medium reduced the acidity index (0.8 mgKOH.g -1 with 15 wt.%). Despite the use of the minimum molar ratio (1:3), the ethyl route being less reactive and the use of the operating temperature close to the alcohol evaporation temperature, NiMoO 4 showed promising catalytic potential in the transesterification process.

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“…It is aligned with preliminary investigations that were carried out by Rullens et al on similar systems. [20][21][22] Besides, the potentiality of this original method to prepare unconventional catalysts is also evaluated here. Therefore, some hybrids are calcined and the recovered materials are characterized and tested in the ODHP reaction.…”

Section: Introductionmentioning

confidence: 99%

Self-assembled hybrid precursors towards more efficient propane ODH NiMoO₄ catalysts

Farin

Eloy

Poleunis

et al. 2016

Catal. Sci. Technol.

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NiMoO4 preparation from polyampholytic hybrid precursors: Benefiting of the memory effect in the oxidative dehydrogenation of propane

Cited by 11 publications

References 27 publications

The Effect of Hydrophobicity on the Synthesis of Homogeneous and Nanostructured NiMo-Based Hybrid Materials

The Effect of Hydrophobicity on the Synthesis of Homogeneous and Nanostructured NiMo-Based Hybrid Materials

Synthesis of NiMoO4 by the Complexation Method Combining EDTA-Citrate and its Behavior Against Biodiesel Acidity

Self-assembled hybrid precursors towards more efficient propane ODH NiMoO₄ catalysts

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NiMoO4 preparation from polyampholytic hybrid precursors: Benefiting of the memory effect in the oxidative dehydrogenation of propane

Cited by 11 publications

References 27 publications

The Effect of Hydrophobicity on the Synthesis of Homogeneous and Nanostructured NiMo-Based Hybrid Materials

The Effect of Hydrophobicity on the Synthesis of Homogeneous and Nanostructured NiMo-Based Hybrid Materials

Synthesis of NiMoO4 by the Complexation Method Combining EDTA-Citrate and its Behavior Against Biodiesel Acidity

Self-assembled hybrid precursors towards more efficient propane ODH NiMoO4 catalysts

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Product

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Self-assembled hybrid precursors towards more efficient propane ODH NiMoO₄ catalysts