Preparation of porous silica particles of submicronic dimensions, useful in separation media or as catalyst supports

摘要

Preparation of porous silica particles of size 100 - 900 nm and surface area greater than 500 m2/g having a porosity comprising a network of pores of diameter 8 - 10 nm arranged in a hexagonal symmetry, and a porosity comprising cavities of dimension of several tens of nm.