Sol-gel hydrothermal synthesis of nano crystalline silicotitanate and its strontium and cesium adsorption.

Crystalline silicotitanate (CST) was synthesized via a sol-gel hydrothermal method using NaSiO·9HO and TiCl as silicon and titanium sources. The effects of pH, silicon concentration, hydrothermal temperature, and time on the CST synthesis were studied at a fixed molar ratio of silicon:titanium (0.98:1).