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January 1, 1989Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases

Calorimetric study on the state of C1–C4 alcohols sorbed on silicalite

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Authors

HTH. Thamm

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Overview

Calorimetric study measures sorption of alcohols on silicalite, suggesting key interactions and structural insights.

Key Points

  • To determine the differential molar heats of sorption for C1–C4 alcohols on silicalite and understand the interactions involved.
  • Calorimetric measurements of sorption heats for methanol, ethanol, propan-1-ol, propan-2-ol, butan-1-ol, butan-2-ol, and 2-methylpropan-1-ol on silicalite.
  • Analysis of heat of sorption curves to identify interactions with lattice defects and framework oxygen atoms.
  • Comparison of alcohol sorption characteristics to those of alkanes and diethyl ether.
  • First alcohol molecules interact with lattice defects, while later molecules occupy the regular silicalite framework.
  • Heat of sorption curves for methanol, propan-1-ol, and propan-2-ol indicate significant contributions from interactions with internal silanol groups.
  • Hydrogen-bonding interactions significantly enhance the heat of sorption of alcohols on silicalite.

Cite This Study

H. Thamm (1989) studied this question.

synapsesocial.com/papers/6a04ff570a15aba660e45dd1https://doi.org/10.1039/f19898500001
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