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The role of alkali cations in the synthesis of Ga-ZSM-5 in fluoride medium

✍ Scribed by E. Nigro; F. Crea; F. Testa; R. Aiello; P. Lentz; J.B. Nagy

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
464 KB
Volume
30
Category
Article
ISSN
1387-1811

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Synthesis of mesoporous ZSM-5 by crystal
Synthesis of mesoporous ZSM-5 by crystallisation of aged gels in the presence of cetyltrimethylammonium cations
✍ Marli Lansoni GonΓ§alves; Ljubomir D. Dimitrov; Maura Hebling JordΓ£o; Martin Wall πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 939 KB

ZSM-5 synthesis gels were aged during 18-72 h at temperatures between 30 and 90 8C. After addition of the cationic surfactant cetyltrimethylammonium bromide these so called ''seeding gels'' were crystallised at 120 or 150 8C. From gels aged at 60 8C, ZSM-5 crystals possessing uniform mesopores with