Effect of Silanol Content in Gel and Mother Liquor on MFI-type Silicalite Synthesis from Crystalline Quartz Dissolved in High-concentration Sodium Hydroxide

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This research examines how silanol content in gel and mother liquor affects the synthesis of MFI-type silicalite from quartz.
Crystalline quartz was dissolved in high-concentration sodium hydroxide.
ANOVA and multiple regression analyses were employed to evaluate the data.
Silanol levels in gel and mother liquor were analyzed for their impact on MFI-type silicalite crystallization.
Higher surface silanol amounts in gel corresponded to lower crystallization degree of MFI-type silicalite.
Increased proportion of monomeric silicate ions in mother liquor correlated with reduced crystallization degree.
An interaction between gel and mother liquor was found to positively influence the crystallization degree of MFI-type silicalite.

Investigates silanol's effect on MFI-type silicalite crystallization from quartz, suggesting optimization strategies.

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Nagata et al. (2026) studied this question.

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