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OALib Journal期刊
ISSN: 2333-9721
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Síntesis y caracterización de materiales aluminosilicatos compuestos ZSM-5/MCM-41

Keywords: Molecular sieves , ZSM-5 , AlMCM-41 , Microporous solids , Mesoporous solids.

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Abstract:

molecular sieves ZSM-5/AlMCM-41 were synthesized by hydrothermal crystallization, under synthesis conditions employed for pure phases. Solids were characterized by several techniques. The phase ZSM-5 was obtained varying silica source and AlMCM-41 only can be obtained with TEOS. For this later phase, a hexagonal arrangement improved was observed at higher temperature and time of synthesis- Combines solids ZSM-5/AlMCM-41 only can be obtained from TEOS. X-ray patterns of combined solids indicated incipient formation of ZSM-5. Mesoporosity can be confirmed by N2 adsorption isotherms and TEM micrographs.

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