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The dual-modified SBA-15 materials (A–S–Si) with Al ions inserting in the framework and −SO3H groups grafting on the pore wall were prepared via a co-condensation method and characterized by a series of techniques. The characterization results implied that the A–S–Si samples have typically mesoporous structure and different acid properties. The catalytic performance of A–S–Si catalysts in the additive...
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