Study on α-Pinene Isomerization over MCM-41 Supported SO&lt;sub&gt;4&lt;/sub&gt;&lt;sup&gt;2-&lt;/sup&gt;⁄TiO&lt;sub&gt;2&lt;/sub&gt;

Dai, Xue Yu; Wu, Chun Hua

doi:10.4028/www.scientific.net/amr.634-638.632

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“…The prepared SO 4 2À /ZrO 2 -SiO 2 porous spheres exhibited higher catalytic activity than the solid acid catalyst. Dai et al 21 synthesized MCM-41 supported solid superacid catalysts with different loadings. The results showed that SO 4 2À /TiO 2 was uniformly dispersed on the surface of the pore structure of MCM-41.…”

Section: Introductionmentioning

confidence: 99%

A potential catalyst for α-pinene isomerization: a solid superacid

Meng,

Chen,

et al. 2024

New J. Chem.

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Section: Introductionmentioning

confidence: 99%

A potential catalyst for α-pinene isomerization: a solid superacid

Meng,

Chen,

et al. 2024

New J. Chem.

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Optimization of catalytic activity of sulfated titania for efficient synthesis of isoamyl acetate by response surface methodology

et al. 2015

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TiO 2 nanoparticles were synthesized by sol-gel method using titanium tetraisopropoxide. Sulfate ions were introduced on the titania by impregnation method using sulfuric acid as precursor of sulfate ions. Fourier transform infrared and energy-dispersive X-ray spectroscopy, X-ray fluorescence as well as X-ray diffraction, scanning electron microscopy, and BET methods were used for the characterization of the obtained nanoparticles. The esterification of isoamyl alcohol with acetic acid was investigated to prove the catalytic activity of the TiO 2 nanoparticles under solvent-free conditions. Response surface methodology was applied to optimize the effect of some parameters such as the molar ratio of acetic acid to alcohol, catalyst loading, reaction temperature, and reaction time on the yield of the isoamyl acetate. The TiO 2 nanoparticles were proved to be an excellent heterogeneous catalyst for isoamyl acetate synthesis under solvent-free conditions affording a high yield of 94 % under the following optimal conditions: molar ratio of acetic acid to alcohol (1:7), catalyst loading (3.2 wt% with respect to the acetic acid), the reaction temperature (130°C), and the reaction time (300 min). Graphical abstract

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Improved Activation of Titanium Dioxide Catalyst for Isomerization of Alpha Pinene and Understanding into Effect of Isomerization Parameters

Sinhmar

Gogate

2021

Arab J Sci Eng

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Study on α-Pinene Isomerization over MCM-41 Supported SO<sub>4</sub><sup>2-</sup>⁄TiO<sub>2</sub>

Cited by 5 publications

References 5 publications

A potential catalyst for α-pinene isomerization: a solid superacid

A potential catalyst for α-pinene isomerization: a solid superacid

Optimization of catalytic activity of sulfated titania for efficient synthesis of isoamyl acetate by response surface methodology

Improved Activation of Titanium Dioxide Catalyst for Isomerization of Alpha Pinene and Understanding into Effect of Isomerization Parameters

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