US EPA

1462461 

Journal Article 

Microemulsion-microwave synthesis of template free zeolite and its application for the sorption of toxic metal ions 

Singh, SK; Tomar, SS; Tomar, R 

2009 

Yes 

Journal of the Indian Chemical Society
ISSN: 0019-4522 

86 

8 

863-866 

English 

WOS:000270096300014 

Present study includes synthesis of zeolite nanocrystals by microwave technique. Microwave heating has the advantage of short reaction time, producing small particles with narrow size distribution and high purity. Microemulsion-microwave method has been used to control zeolite crystal morphologies. Here we report a method to prepare uniform and smaller template-free zeolite,nanocrystals In reverse microemulsion by microwave heating. TPA (tetrapropylammonium) was used as template CTAB (cetyl trimethyl ammonium bromide) and n-butanol were used as a surfactant and co-surfactant and cyclohexane as the oil phase. The synthesized powder was characterized by using different techniques such as X-ray diffraction, Transmission Electron Microscopy and FTIR analysis. Sorption study was carried out by batch method. Concentration of respective metal ions in solution was determined by IN-Visible spectrophotometer. MINTEQ A2 (Version 1.50) program has been used for carrying out the aqueous speciation of the metal ions. 

Microwave synthesis; CTAB; TPAOH; sorbent concentration; MINTEQ A2