New structure directing agent in the synthesis of ZSM-5 zeolite
Palavras-chave:
Ionic liquid, Structure-directing agents, Zeolites, ZSM-5, SynthesisResumo
This work describes the use of a novel structure-directing agent for the preparation of a pure MFI zeolitic material. The ionic liquid 1-(4-phenylbenzyl)-3-methylimidazolium chloride [PhBzMIm.Cl] was used to obtain this zeolitic material. The method described in this study involves the use of SiO2 (silica source), NaOH as a mineralizing agent, Na2Al2O4 as an aluminum source, and H2O as the reaction solvent. The described method is advantageous because it uses a mild temperature (150 °C) and uses a structure-directing agent that is easy to synthesize and is classified within green chemistry. The method aims to obtain zeolitic materials with a Si/Al ratio = 50 and a pure and crystalline MFI topology, which makes this process technically and commercially attractive.
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