FTIR study of the relation, between extra-framework aluminum species and the adsorbed molecular water, and its effect on the acidity in ZSM-5 steamed zeolite

FTIR study of the relation, between extra-framework aluminum species and the adsorbed molecular water, and its effect on the acidity in ZSM-5 steamed zeolite

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The infrared spectroscopy study of zeolite samples, obtained by steam treatment at 560‑960 °C of the ZSM‑5 catalyst (framework Si/Al ratio of 13), suggests an association between adsorbed molecular water and extra‑framework aluminum hydroxyls generated after treatment....

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Bibliographic Details
Main Author: Luis Fioravanti Isernia
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2013-01-01
Series:Materials Research
Subjects:
hydrothermal dealumination
infrared spectroscopy
ZSM-5 zeolite
Brönsted and Lewis sites
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392013005000044

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