以稻壳SiO2为原料,非离子表面活性剂TX-100为模板,制备了介孔SiO2(MSU-2)及其负载SO2-4/ZrO2固体超强酸催化剂.以乙酸和正丁醇的酯化反应为探针,研究了载体类型、ZrO2的负载量、催化剂用量和反应时间对催化剂性能的影响.结果发现,当SO2-4/ZrO2的负载量在10wt%以上时,催化剂具有超强酸性;SO2-4/ZrO2负载量为20wt%时,催化剂(SO2-4/ZrO2/MS-60)具有最优的催化酯化反应活性.
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