Synthesis of large zeolite X crystals

Juliusz Warzywoda, Nurcan Baç, Albert Sacco

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Large crystals of zeolite X with diameters up to 340 μm were synthesized from gels with the composition 4.76Na2O:1.0Al2O3:3.5SiO2:454H2O:5-8.5TEA. The syntheses were conducted using aqueous slurries of Cab-O-Sil M-5 or Aerosil 200 fumed silica, and sodium aluminate solutions containing triethanolamine made with sodium hydroxide and aluminum wire or sodium aluminate powder. The results indicated that the large zeolite X crystals grown are more siliceous than large crystals grown from gels containing TEA.

Original languageEnglish
Pages (from-to)539-541
Number of pages3
JournalJournal of Crystal Growth
Volume204
Issue number4
DOIs
StatePublished - Aug 1999

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