DIRECT CRYSTALLIZATION OF AMORPHOUS SILICATES TO ZEOLITES IN SOLID-STATE

Authors
SHIMIZU S KIYOZUMI Y MIZUKAMI F
Citation
S. Shimizu et al., DIRECT CRYSTALLIZATION OF AMORPHOUS SILICATES TO ZEOLITES IN SOLID-STATE, Chemistry Letters, (5), 1996, pp. 403-404
Citations number
9
Categorie Soggetti
Chemistry
Journal title
Chemistry Letters → ACNP
ISSN journal
03667022
Issue
5
Year of publication
1996
Pages
403 - 404
Database
ISI
SICI code
0366-7022(1996):5<403:DCOAST>2.0.ZU;2-E
Abstract
A silicate monolithic gel was prepared by the hydrolysis of tetraethyl orthosilicate with tetrapropylammonium hydroxide aqueous solution. Th e starting powder obtained by drying the gel was converted to zeolite ZSM-5 by heating at 130 degrees C for 18 h. Silicalite-l and silicalit e-2 were also obtained by the similar conversion. A binderless zeolite disk was obtained by heating a disk shaped with the starting powder.