Morphological study of ZSM—5 grown in the 12na2O/4.5(tpa)2O system

Autor:	L.B. Sand, R. Mostowicz
Rok vydání:	1983
Předmět:	chemistry.chemical_compound Crystallography Morphology (linguistics) chemistry Chemical engineering Sodium hydroxide Composition (visual arts) ZSM-5 Crystal habit General Environmental Science Sodium salt
Zdroj:	Zeolites. 3:219-225
ISSN:	0144-2449
DOI:	10.1016/0144-2449(83)90011-8
Popis:	Starting with batch composition 12Na2O4.5(TPA)2OAl2O39OSiO22000H2O, previously producing spherulitic aggregates ∼ 1 μm, a study was made to determine the effects of various additives and other modifications of the starting composition to promote the growth of larger crystals of ZSM—5 in this system. It was found that partial to complete substitution of sodium salts for sodium hydroxide had a pronounced effect on resulting morphology, yielding crystals up to 80μm, both in a narrow to a wide range of size distribution. Organic additives were found to modify the crystal habit.
Databáze:	OpenAIRE
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