SBA-15-PO_3H_2 is prepared using a post-synthetic method.The optimal synthesis conditions are found as follows:calcination temperature 500℃,calcination time 5 h,stirring time 4 h,and mole ratio of phosphorus and silicon 7:100.The product is characterized by XRD and SEM/TEM.The results show that the structure of SBA-15-PO3 H2 retains the mesoporous hexagonal structure of SBA- 15.It can be reused with high activity for esterification reactions.
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