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Application of full factorial design method to silicalite synthesis

Materials Research Bulletin, ISSN: 0025-5408, Vol: 48, Issue: 8, Page: 2908-2914
2013
  • 12
    Citations
  • 0
    Usage
  • 23
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    12
    • Citation Indexes
      12
  • Captures
    23

Article Description

A full factorial design of experiments was applied to synthesis of silicalite using different synthesis parameters, namely temperature, dilution ratio and amine type. Analysis of variance showed that the most significant main effect, which is increasing crystal size was temperature and the most significant two-way interaction variable was the interaction of dilution ratio and amine type. Dilution has a reducing effect on the average crystal size and it also affects product morphology. The largest crystal size was obtained at high temperatures and low dilution ratios in presence of ethylamine. A mathematical model for silicalite synthesis was derived from the experimental data and validated by residual plot analysis. The factorial design technique produces simple and reasonable results for the crystallization process under study, not only allowing the investigation of the individual effects of each of the selected design variables but also providing interpretation of the interactions among these variables.

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