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Article . 2016 . Peer-reviewed
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Cristalização da zeólita mordenita com adição de sementes em meio reacionais com diferentes razões SiO2/Al2O3

Authors: Bruno José Silva; Olivia Silvestre Cysneiros; Antonio Osimar Silva; Soraya Lira Alencar; Ramiro Batinga Santos; Pedro Fernandes Soares; Thayane Regine Dantas Mendonça; +2 Authors

Cristalização da zeólita mordenita com adição de sementes em meio reacionais com diferentes razões SiO2/Al2O3

Abstract

A síntese das amostras de mordenita foram realizadas através do método hidrotérmico, utilizando dois tipos diferentes de sementes de cristalização (mordenita e ferrierita), onde foram explorados a variação de alguns parâmetros de síntese, como a razão SiO2/Al2O3 = 20, 60 e 100, e a razão OH/SiO2= 0,2, 0,3 e 0,4, em diferentes tempos de cristalização, à temperatura de 170 °C. As amostras foram caracterizadas por difratometria de raios X (DRX), análises termogravimétricas (ATG), adsorção de nitrogênio a -196 °C (BET) e dessorção à temperatura programada de amônia (DTP-NH3). Constatou-se que a utilização da razão OH/SiO2 = 0,4, em conjunto com as sementes de MOR e FER foram obtidas as amostras mais cristalinas, evidenciando o papel crucial do agente mineralizante OH- no meio.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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