Preparation, characterization and catalytic properties of MCM-48 supported tungstophosphoric acid mesoporous materials for green synthesis of benzoic acid

• 5–45 wt% HPW/MCM-48 mesoporous catalysts were prepared and characterized.
• Their catalytic activities for the green synthesis of benzoic acid were investigated.
• HPW/MCM-48 was approved to be an efficient catalyst.
• 5 wt% HPW/MCM-48 exhibited the highest catalytic activity.

MCM-48 and tungstophosphoric acid (HPW) were prepared and applied for the synthesis of HPW/MCM-48 mesoporous materials. The characterization results showed that HPW/MCM-48 obtained retained the typical mesopore structure of MCM-48, and the textural parameters decreased with the increase loading of HPW. The catalytic oxidation results of benzyl alcohol and benzaldehyde with 30% H2O2 indicated that HPW/MCM-48 was an efficient catalyst for the green synthesis of benzoic acid. Furthermore, 35 wt% HPW/MCM-48 sample showed the highest activity under the reaction conditions.

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