Some synthesis aspects for poorly crystalline porous sodium titanium silicate

Highly Selective Separation of Cs+ from Brines Using an Electroactive Layered Composite of Vanadosilicate

“…Various technologies, such as solvent extraction, − chemical precipitation, and adsorption/ion exchange − have been used to separate Cs + from aqueous solution for decades. In these methods, solvent extraction is an efficient method for separation of Cs + from brine due to the high affinity between the extractants and Cs + ; however, extractants are generally expensive and easy to lose during extraction process, and the stripping may require strong acids.…”

“…Adsorption and ion exchange are generally used to remove trace ions from aqueous solution and exhibit an excellent application prospect due to its low energy consumption and environmental friendliness. In recent years, various Cs + adsorbents, such as metal sulfides, − ammonium molybdophosphates, metal ferrocyanides, − and titanate/vanadium/tungsten-based materials ,− have been developed. Among them, vanadosilicate composites, a series of porous materials composed of mixed crystal structures of silicon tetrahedron (SiO 4 ) and vanadium oxide polyhedron, such as vanadium tetrahedron (VO 4 ), pentahedron (VO 5 ), or octahedron (VO 6 ), have gained increasing attention.…”