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In this study mesoporous SBA-15 was synthesized under acidic conditions using triblock copolymer  Pluronic P123  as template and tetraethyl orthosilicate as a silica source. SBA-15 was modified by different iron loading (1.8 %, 5 % and 10 %)  via  post-synthesis impregnation with Fe(NO 3 ) 3 ·9H 2 O. The obtained catalysts were characterized using XRD analysis, WDXRF spectroscopy and N 2  adsorption-desorption analysis. Pyrolysis of cellulose with and without the catalyst was investigated using TG-FTIR. It was found that the presence of the synthesized catalysts affects formation of solid residue and significantly alters the composition of the other pyrolysis products. All catalysts considerably reduced the fraction of compounds containing hydroxyl group. Fe (10 %)/SBA-15 exhibited the highest deoxygenation ability. SBA-15 showed the highest catalytic selectivity for synthesis of olefins, while Fe (1.8 %)/SBA-15 showed the highest catalytic selectivity for synthesis of aromatic hydrocarbons.

Synthesis, Characterization and Catalytical Effects of Fe Contents on Pyrolysis of Cellulose with Fe2O3/SBA-15 Catalysts

Synthesis, Characterization and Catalytical Effects of Fe Contents on Pyrolysis of Cellulose with Fe₂O₃/SBA-15 Catalysts