Low loading and synergistic action of Ti-mesoporous silica supported H3PW12O40 materials: Highly efficient catalysts for cellulose hydrolysis reaction

A bifunctional catalyst comprising ordered Ti-mesoporous silica supported H 3 PW 12 O 40 (PW/OMS-Ti) was synthesized via a one-pot hydrothermal method. The composite features well-dispersed Brønsted and Lewis acid sites within an ordered mesoporous framework. Under optimal conditions, the 0.5PW/OMS-Ti0.05 catalyst achieved 99.0% cellulose conversion with 67.0% total reducing sugar and 19.1% 5-HMF yields, demonstrating effective synergistic catalysis. The catalyst also exhibited excellent stability and recyclability over five cycles, highlighting its potential as an efficient solid acid catalyst for biomass conversion.