Modification of the structural, textural, and mechanical properties of an Al2O3/Al composite on the addition of an Al-SBA-15-type mesoporous phase

Heterogeneous nanocomposite ZrO2@SBA-15 catalysts containing 10 wt. % of zirconium oxide were synthesized by two methods: co-condensation and incipient wetness impregnation. The silica support and catalysts were characterized by X-ray diffraction, gas adsorption, FTIR-spectroscopy and other physicochemical methods. As a result of zirconia introduction into the silica wall, the mesostructured of SBA-15 is preserved, but the specific surface area and pore Volume are reduced. It was established that during one-stage co-condensation synthesis, the particle fibers shorten and stick together. The catalysts were tested in the process of catalytic hydrolysis-oxidation of hemicelluloses of aspen wood. The optimal formic acid synthesis conditions were determined: 150°С, 3 h. The highest formic acid yield obtained over the catalyst obtained by co-condensation under best reaction conditions was 28.4 wt. %.

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Modification of the structural, textural, and mechanical properties of an Al2O3/Al composite on the addition of an Al-SBA-15-type mesoporous phase

Cited by 2 publications

References 12 publications

Synthesis of Heterogeneous Nanocomposite Catalyst ZrO2@SBA-15 for Formic Acid Production from Hemicelluloses

Synthesis of Heterogeneous Nanocomposite Catalyst ZrO2@SBA-15 for Formic Acid Production from Hemicelluloses

Synthesis of heterogeneous nanocomposite catalyst ZrO2@SBA-15 for formic acid production from hemicelluloses

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