Sònia Abelló

TL;DR: In this article, a novel desilication variant involving NaOH treatment of ZSM-5 in the presence of quaternary ammonium cations is developed, where the organic cation (TPA+ or TBA+) acts as a pore-growth moderator in the crystal by OH−assisted silicon extraction, largely protecting the zeolite crystal during demetallation process.

TL;DR: In this paper, hierarchical ZSM-5 was desilicated with tetraalkylammonium hydroxides (TPAOH, TBAOH) to achieve mesoporosity and micro-and mesopore properties.

TL;DR: An accessibility index (ACI) was derived from infrared spectroscopy of substituted alkylpyridines with different size (pyridine: 0.57 nm, 2,6-lutidine; 0.67 nm, and 2,4,6collidine:0.74 nm) as mentioned in this paper.

TL;DR: In this paper, a 16 parallel-batch reactor was used to study the influence of the treatment time and temperature on the physico-chemical properties of the zeolites, which were characterized by ICP-OES, XRD, N2 adsorption at 77 K, SEM, TEM, DRIFTS, and in situ ATR-IR.

TL;DR: Reconstructed materials with small crystallites, produced by exfoliation during mechanical stirring, are beneficial in the reactions compared to larger crystals with a high degree of intraplatelet porosity, and support the model in which only basic sites near the edges of the hydrotalcite platelets are partaking in aldol reactions.