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Article

Application of Response Surface Methodology for Ethanol Conversion into Hydrocarbons Using ZSM-5 Zeolites

1
Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
2
Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
3
Departamento de Nanotecnologia, Universidade Federal do Rio de Janeiro, Campus Duque de Caxias, Rio de Janeiro 25265-970, Brazil
*
Author to whom correspondence should be addressed.
Catalysts 2019, 9(7), 617; https://doi.org/10.3390/catal9070617
Received: 24 May 2019 / Revised: 26 June 2019 / Accepted: 29 June 2019 / Published: 20 July 2019
The ethanol conversion into hydrocarbons (light olefins and aromatics) using alkali-treated HZSM-5 with different SiO2/Al2O3 ratios (23, 38, and 53) zeolites was evaluated. The desilicated SAR 38 zeolite exhibited significant growth on the external surface area (61–212 m2/g) and the mesopore volume (0.07–0.37 cm3/g) without significate reduction on XRD crystallinity (93%). All catalysts were active on the ethanol conversion into hydrocarbons. At the same set of variables, the alkali-treated HZSM-5 zeolites showed a better conversion and a high selectivity to C4–C9 hydrocarbons when compared to the parent microporous zeolites. Only the parent HZSM-5 zeolite (SAR 53) was chosen for the statistical study using the standard response surface methodology in combination with the central composite design. It was found that maximum BTEX (benzene, toluene, ethylbenzene, and xylenes) and minimum ethylene production were reached for the following conditions: temperature 450 °C, pressure 20 bar, and WHSV (weight hourly space velocity) 5 h−1. View Full-Text
Keywords: HZSM-5; ethanol dehydration; optimization; desilication; response surface methodology HZSM-5; ethanol dehydration; optimization; desilication; response surface methodology
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MDPI and ACS Style

Souza de Carvalho Filho, J.F.; Maciel Pereira, M.; Gomes Aranda, D.A.; Monnerat Araujo Ribeiro de Almeida, J.; Falabella Sousa-Aguiar, E.; Nothaft Romano, P. Application of Response Surface Methodology for Ethanol Conversion into Hydrocarbons Using ZSM-5 Zeolites. Catalysts 2019, 9, 617. https://doi.org/10.3390/catal9070617

AMA Style

Souza de Carvalho Filho JF, Maciel Pereira M, Gomes Aranda DA, Monnerat Araujo Ribeiro de Almeida J, Falabella Sousa-Aguiar E, Nothaft Romano P. Application of Response Surface Methodology for Ethanol Conversion into Hydrocarbons Using ZSM-5 Zeolites. Catalysts. 2019; 9(7):617. https://doi.org/10.3390/catal9070617

Chicago/Turabian Style

Souza de Carvalho Filho, José F., Marcelo Maciel Pereira, Donato A. Gomes Aranda, João Monnerat Araujo Ribeiro de Almeida, Eduardo Falabella Sousa-Aguiar, and Pedro Nothaft Romano. 2019. "Application of Response Surface Methodology for Ethanol Conversion into Hydrocarbons Using ZSM-5 Zeolites" Catalysts 9, no. 7: 617. https://doi.org/10.3390/catal9070617

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