Synthesis of high stability Mo/SiO2 catalyst utilizing Parangtritis beach sand for hydrocracking waste palm oil into biofuel

Alisha, Gesha Desy; Trisunaryanti, Wega; Syoufian, Akhmad; Larasati, Savitri

doi:10.1007/s13399-021-02064-x

Cited by 9 publications

(2 citation statements)

References 51 publications

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“…The symmetric and antisymmetric stretching of the Mo–O–Mo bond is superimposed on the strain and valence signals of the Si–O–Si bond, which occur at wave numbers 796 and 1060 cm –1 , respectively. Thus, it can be concluded that the process of deposition of oxides did not lead to the destruction SiO 2 structure. The same results were obtained for catalysts containing tungsten and vanadium.…”

Section: Resultsmentioning

confidence: 88%

Room Temperature Ultrafast Oxidative Desulfurization with Sodium Hypochlorite in the Presence of Silica-Supported Catalysts

Gevorgyan,

Larionov,

Akopyan

et al. 2024

ACS Omega

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A series of silica-supported catalysts containing molybdenum, tungsten, and vanadium oxides as the active phase was investigated in the process of oxidative desulfurization with sodium hypochlorite. It was shown for the first time that catalysts containing vanadium oxide as the active phase are more stable under oxidation conditions with sodium hypochlorite and retain their effectiveness at increased dosages of the oxidant and at high initial sulfur contents. The catalysts were characterized in detail by a complex of methods: Fourier transform infrared, X-ray spectral fluorescence, transmission electron microscopy, scanning electron microscopy, and low-temperature nitrogen adsorption/desorption. Key factors affecting the oxidation of dibenzothiophene (DBT) were investigated: oxidant and catalyst amount, oxidation time, initial sulfur content, and acetonitrile amount. Under optimized conditions, the DBT conversion rate was 100% in 5 min at room temperature (25 °C), NaClO/S molar ratio 6:1, catalyst amount 2 wt %. In the real sample of the straight-run diesel fraction, the sulfur content was reduced from 10,100 to 3030 ppm. The V(10%)/ SiO 2 catalyst retains its activity for 5 oxidation−regeneration cycles.

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Section: Resultsmentioning

confidence: 88%

Room Temperature Ultrafast Oxidative Desulfurization with Sodium Hypochlorite in the Presence of Silica-Supported Catalysts

Gevorgyan,

Larionov,

Akopyan

et al. 2024

ACS Omega

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“…In addition, the researchers mentioned that the final product, biodiesel, did not need to go through washing steps for subsequent neutralization, reducing environmental consequences, as well as they did not find any difficulties in separating the catalysts from the reaction medium due to the magnetic properties of the synthesized systems, which consequently led to rapid reuse. In addition to the aforementioned solid catalysts, transition metal oxides such as MoO3 (Alisha, Trisunaryanti, Syoufian, & Larasati, 2021;Cardoso et al, 2022;A. L. Silva, Farias, Meneghetti, Antonio dos Santos Filho, & Figueiredo de Melo Costa, 2022;Yudaev, Vetshev, & Rubtsova, 2022), have already been used as heterogeneous catalysts for various purposes.…”

Section: Introductionmentioning

confidence: 99%

MoO3 and Ni-Zn ferrites catalyst and their applications: a scientific and technological vision

Da Silva,

Dionízio,

Sales

et al. 2023

R. G. Secr.

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The objective of this work was to carry out a literature review of scientific articles published recently on the use of MoO3 and Ni-Zn ferrites as catalysts for biodiesel production, aiming to highlight whether there are studies in the literature reporting the use of MoO3 catalysts supported on Ni ferrite -Zn for biodiesel catalysis applications. The literature review was conducted using the Start software, with a time frame from 2018 to 2023, using the indexed platforms: ScienceDirect, Web of Science and Scopus. As a result, this work showed a wide and consolidated use of ceramic compounds of MoO3 and Ni-Zn ferrites as catalysts in reactions for biodiesel production. The present study also showed a scientific gap in the science of heterogeneous catalysts, since no studies were found that report the use of magnetic catalysts (MoO3/Ni-Zn ferrite), with emphasis on biofuel production.

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Highly Active Mesoporous Zirconium Nitride Immobilized on SiO2 Synthesized by Complex-Assisted Method with EDTA and KHP for Catalytic Hydroconversion of Crude Palm Oil

Asri,

Hasanudin,

Wijaya

2023

Catal Surv Asia

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Synthesis of high stability Mo/SiO2 catalyst utilizing Parangtritis beach sand for hydrocracking waste palm oil into biofuel

Cited by 9 publications

References 51 publications

Room Temperature Ultrafast Oxidative Desulfurization with Sodium Hypochlorite in the Presence of Silica-Supported Catalysts

Room Temperature Ultrafast Oxidative Desulfurization with Sodium Hypochlorite in the Presence of Silica-Supported Catalysts

MoO3 and Ni-Zn ferrites catalyst and their applications: a scientific and technological vision

Highly Active Mesoporous Zirconium Nitride Immobilized on SiO2 Synthesized by Complex-Assisted Method with EDTA and KHP for Catalytic Hydroconversion of Crude Palm Oil

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