Novel model explaining toluene diffusion in HZSM-5 after surface modification

Article Abstract:

In this study, the sorption and the diffusion of toluene in HZSM-5, modified by chemical liquid deposition of tetraethoxysilane (TEOS), is discussed by the frequency response method. This conclusion is well supported by the fact that the amount of toluene ,molecules accessing the sorption sites using also the sinusoidal channels increases after the modification , while the total update remains unaffected.

Petrochemical Manufacturing, Toluene

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Characterizing zeolite acidity by spectroscopic and catalytic means: a comparison

Article Abstract:

Consistency in the catalytic and spectroscopic characterization of the acidity is possible only within the same class of zeolites. In the case of different types of zeolites, interactions of larger molecules with pore walls and the stabilization of transition states and intermediates, influence acid-catalyzed reactions.

Usage, Spectrum analysis, Spectroscopy

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