分子筛材料制备及应用研究进展

Study on Molecular Sieve Material Preparation and Application Progress

分子筛是一类具有独特孔道结构的硅铝酸盐晶体,其具有比表面积大、催化性能好、孔道选择性高、热稳定性好等特点。此外,还有多种后处理方法可以对分子筛进行改性,从而扩大其应用范围。概述了分子筛的种类、用途以及改性方法,介绍了分子筛的各种制备方法,包括水热合成、气相转移、离子热合成、干粉体系合成法等,并对分子筛在环境保护、农业、生物医药、新型功能材料等领域的应用进行了综述。

Molecular sieve is a kind of silica-luminate crystals with unique pore structure,which is characterized by large specific surface area,good catalytic performance,high pore selectivity and good thermal stability,etc.In addition,there are a variety of post-treatment methods to modify molecular sieve properties,thereby expanding its application range.The types,uses and modification methods of molecular sieve are summarized,and its various preparation methods are introduced,including hydrothermal synthesis,gas phase transfer,ionic thermal synthesis,dry powder system synthesis,etc.The application of molecular sieve in environmental protection,agriculture,biomedicine,new functional materials and other fields are also reviewed.