Effects of silica on the synthesis of AFI molecular sieve in acid and base conditions under microwave irradiation

Sung Hwa Jhung, Jong San Chang, Dae Sung Kim, Sang Eon Park

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

The AFI molecular sieve has been synthesized under microwave irradiation in various conditions including the pH and Si/Al ratio. In acidic conditions, silica accelerates the crystallization, whereas in alkaline conditions, silica hinders the crystallization to form plate-like hexagonal crystals. The plate-like hexagonal crystal of AFI molecular sieve can be synthesized from an alkaline gel in very limited conditions.

Original languageEnglish
Pages (from-to)135-142
Number of pages8
JournalMicroporous and Mesoporous Materials
Volume71
Issue number1-3
DOIs
StatePublished - 17 Jun 2004

Keywords

  • Acidity
  • AFI molecular sieve
  • Microwave irradiation
  • Plate-like crystal
  • Silica

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