Insights into the Synthesis of Spiral Beta Zeolite with Enhanced Catalytic Performance in VOC Abatement.
Molecules
; 29(6)2024 Mar 20.
Article
in En
| MEDLINE
| ID: mdl-38543022
ABSTRACT
The rational synthesis of zeolites with designed morphology is a highly challenging task. In this study, we propose 1,5-bis(methylpiperidine)pentylammonium hydroxide (BMPPAOH) as an organic structure-directing agent (OSDA) based on theoretical calculations. The morphology of zeolite samples is characterized by XRD, SEM, TEM, N2 sorption isotherms, and UV Raman spectroscopy. This simple bis-quaternary ammonium salt favored the formation of spiral morphology in Beta zeolite spheres (S-Beta). The crystallization of zeolite in the presence of BMMPAOH is a two-stage process, where nanoparticles agglomerate into spheres in the early stages followed by the emergence of S-Beta crystals with spiral morphology. The synthesized Pt-S-Beta catalysts show higher catalytic activity in VOC abatement compared with other Pt-Beta samples.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Language:
En
Journal:
Molecules
Journal subject:
BIOLOGIA
Year:
2024
Document type:
Article
Affiliation country:
China
Country of publication:
Switzerland