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

Autor: Sathish-Kumar Kamaraj, Manuel Sánchez-Cárdenas, Jorge Medina-Valtierra, Rodolfo Rafael Medina Ramírez, L. A. Sánchez-Olmos
Rok vydání: 2016
Předmět:
Zdroj: Catalysts; Volume 6; Issue 10; Pages: 156
Catalysts, Vol 6, Iss 10, p 156 (2016)
ISSN: 2073-4344
DOI: 10.3390/catal6100156
Popis: 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.
Databáze: OpenAIRE