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Catalysts 2016, 6(10), 156; doi:10.3390/catal6100156

Effect of Size and Distribution of Ni Nanoparticles on γ-Al2O3 in Oleic Acid Hydrodeoxygenation to Produce n-Alkanes

1
Ingeniería en Energía, Universidad Politécnica de Aguascalientes, Calle Paseo San Gerardo 207, Aguascalientes, Ags C.P.20342, Mexico
2
Departamento de Ingeniería Química y Bioquímica, Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801 Ote., Aguascalientes, Ags C.P.20256, Mexico
*
Author to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Received: 4 July 2016 / Revised: 20 September 2016 / Accepted: 21 September 2016 / Published: 19 October 2016
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Abstract

To contribute to the search for an oxygen-free biodiesel from vegetable oil, a process based in the oleic acid hydrodeoxygenation over Ni/γ-Al2O3 catalysts was performed. In this work different wt % of Ni nanoparticles were prepared by wetness impregnation and tested as catalytic phases. Oleic acid was used as a model molecule for biodiesel production due to its high proportion in vegetable oils used in food and agro-industrial processes. A theoretical model to optimize yield of n-C17 was developed using size, distribution, and wt % of Ni nanoparticles (NPs) as additional factors besides operational conditions such as temperature and reaction time. These mathematical models related to response surfaces plots predict a higher yield of n-C17 when physical parameters of Ni NPs are suitable. It can be of particular interest that the model components have a high interaction with operation conditions for the n-C17 yields, with the size, distribution, and wt % of Ni NPs being the most significant. A combination of these factors statistically pointed out those conditions that create a maximum yield of alkanes; these proved to be affordable for producing biodiesel from this catalytic environmental process. View Full-Text
Keywords: Ni/γ-Al2O3 catalysts; oleic acid hydrodeoxygenation; n-C17 alkane; statistical analysis; response surfaces Ni/γ-Al2O3 catalysts; oleic acid hydrodeoxygenation; n-C17 alkane; statistical analysis; response surfaces
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MDPI and ACS Style

Sánchez-Cárdenas, M.; Medina-Valtierra, J.; Kamaraj, S.-K.; Medina Ramírez, R.R.; Sánchez-Olmos, L.A. Effect of Size and Distribution of Ni Nanoparticles on γ-Al2O3 in Oleic Acid Hydrodeoxygenation to Produce n-Alkanes. Catalysts 2016, 6, 156.

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