Zeolitas sintetizadas a partir de vidrio volcánico en medio alcalino

MADSEN, LENIS; CASTILLO, LUCIANA A.; LOCATI, FRANCISCO; CRAVERO, FERNANDA; MAIZA, PEDRO; LESCANO, LETICIA; MARFIL, SILVINA; BARBOSA, SILVIA E.

San Miguel de Tucumán

Congreso; XX Congreso Geológico Argentino; 2017

Asociación Geológica Argentina

In this work, synthesis studies were performed using a partially zeolitized vitreous tuff (rich in mordenite) from the province of Mendoza, with 0.1, 0.5 and 1 N NaOH solutions at 40 and 95°C, varying the concentration and temperature,. The process was and monitoreding the process by X-ray diffraction and scanning electron microscopy. Experiences showed that the material can be homogenized improving its crystallinity, transforming the relict glass and mordenite into a Na-P zeolite of phillipsite-Na family (Na5,7Al5,7Si10,3O32.12H2O) with subordinate analcime and probable chabazite. The reaction evolution was more effective and fast at 95°C in 1 N NaOH solution.