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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728Evaluation of Catalyst Ni0.4Cu0.1Zn0.5Fe2O4 on...

Evaluation of Catalyst Ni_0.4Cu_0.1Zn_0.5Fe₂O₄on Methyl Esterification of Free Fatty Acid Present in Cottonseed Oil

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Abstract:

This study aimed to assess the performance of the solid catalyst Ni_0.4Cu_0.1Zn_0.5Fe₂O₄, synthesized by combustion reaction, over the methyl esterification reaction of the fatty acids present in cottonseed oil. The catalyst was characterized by XRD, FTIR pyridine absorption, Raman spectroscopy, and SEM. The reactions were conducted at 140 and 180°C with molar ratios of 1:3, 1:6 and 1:9, with 2% of catalyst and reaction time of 2 h. The XRD results showed that the single phase ferrite was obtained with surface area of 87 m²/g and with mesoporous characteristic. It was observed from the FTIR pyridine absorption only the presence of Lewis acid sites. The Raman spectra confirm the presence of the inverse spinel phase. The results indicated that at 180°C and molar ratio of 1:9, the conversion of free fatty acids was about 87%.

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Advanced Powder Technology VIII

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Materials Science Forum (Volumes 727-728)

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1302-1307

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https://doi.org/10.4028/www.scientific.net/MSF.727-728.1302

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August 2012

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Joelda Dantas, A.S. Silva, P.T.A. Santos, J.R.D. Santos, D.C. Barbosa, Simoni Margareti Plentz Meneghetti, Ana Cristina Figueiredo de Melo Costa

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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