New perspectives in degermanation of zeolites
Résumé
In the present work, we present a new method for the degermanation of Ge-containing zeolites, which leads to very stable Si-rich solids with high crystallinity. Typically, as-made zeolites are subjected to chemical treatments in highly concentrated acidic solutions at moderate temperatures. Several zeolites have been considered with very interesting results on ITQ-22, which could be totally degermanated