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Catalysts 2016, 6(2), 30; doi:10.3390/catal6020030

Insights to Achieve a Better Control of Silicon-Aluminum Ratio and ZSM-5 Zeolite Crystal Morphology through the Assistance of Biomass

1
Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, CT Bloco A, Cidade Universitária, 21941-909 Rio de Janeiro, Brazil
2
Universidade Federal do Rio de Janeiro, Escola de Química Av. Athos da Silveira Ramos 149, CT Bloco E, Cidade Universitária, 21941-909 Rio de Janeiro, Brazil
3
Institute of Chemistry, UMR 7177, University of Strasbourg, 1 rue Blaise Pascal F-67000 Strasbourg Cedex, France
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editors: Andreas Martin and Keith Hohn
Received: 29 October 2015 / Revised: 5 February 2016 / Accepted: 14 February 2016 / Published: 18 February 2016
(This article belongs to the Special Issue Zeolite Catalysis)
View Full-Text   |   Download PDF [1701 KB, uploaded 18 February 2016]   |  

Abstract

The present study attempts to provide insights for both the chemical composition (Si/Al) and the crystal morphology of ZSM-5 zeolites while using biomass template compounds in the synthesis. The solution containing biomass-derivative compounds was obtained after treating biomass in a sodium hydroxide aqueous solution under reflux. The latter alkaline solution was used as a solvent for zeolite nuclei ingredients to form the gel phase under hydrothermal conditions (170 °C during 24, 48 or 72 h). This approach allowed for preparing MFI zeolites having a broad range of Si/Al ratio, i.e., from 25 to 150. Likewise, MFI crystals with different morphologies could be obtained, being different from the pristine zeolite formed in the absence of biomass. View Full-Text
Keywords: ZSM-5; biomass; sugar cane; zeolite synthesis; Si/Al ZSM-5; biomass; sugar cane; zeolite synthesis; Si/Al
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Silva, A.V.; Miranda, L.S.M.; Nele, M.; Louis, B.; Pereira, M.M. Insights to Achieve a Better Control of Silicon-Aluminum Ratio and ZSM-5 Zeolite Crystal Morphology through the Assistance of Biomass. Catalysts 2016, 6, 30.

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