氧化硅-氧化铝催化材料制备方法的研究进展

Research progress in preparation method of silica-alumina catalytic materials

综述了氧化硅-氧化铝(Si O2-Al2O3)催化材料的制备方法,详细介绍了共沉淀法、溶胶-凝胶法、分步沉淀法、碳化法的制备过程及特点,分析了目前Si O2-Al2O3催化材料制备方法存在的主要问题,并指出今后的研究方向。

The preparation methods of silica -alumina （SiO2 -Al2O3 ）catalytic materials were reviewed. The preparation process and characteristics of co - precipitation, sol - gel, fractional precipitation and carbonation methods were introduced in detail with 39 references. The main problems existed in preparation methods of SiO2 - Al2O3 catalytic mate- rials were analyzed, and the future research directions were pointed out.