Abstract
This work describes the preparation of babassu, castor oil biodiesel and mixtures in various proportions of these oils, using alkaline compounds of strontium (SrCO3 + SrO + Sr (OH)2) as heterogeneous catalysts. The mixture of oils of these oleaginous sources was used in the production of biodiesel with quality parameters that meet current legislation. The catalyst was characterized by X-ray diffractometry (XDR), physisorption of gas (BET method), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDX) and Fourier transform infrared spectroscopy (FTIR). The viscometric technique was used to monitor the optimization. The transesterification reactions performed using strontium compounds reached conversion rates of 97.2% babassu biodiesel (BB), 96.4% castor oil biodiesel (COB) and 95.3% Babassu/Castor Oil Biodiesel 4:1 (BBCO41).
Highlights
Renewable and non-polluting energy has generated research on the use of biomass and has demonstrated success in some areas
This work describes the preparation of babassu, castor oil biodiesel and mixtures in various proportions between these oils using a heterogeneous catalyst, which is a mixture of carbonate, oxide and strontium hydroxide
The diffratogram shows that the strontium carbonate has a highly crystalline structure
Summary
Renewable and non-polluting energy has generated research on the use of biomass and has demonstrated success in some areas. Vegetable oils and animal fats have been used to produce an alternative fuel compared to petroleum diesel, commonly called biodiesel.[1] Biodiesel is synthesized by the transesterification of vegetable oils or animal fats with an alcohol in the presence of a catalyst.[2,3,4,5] The transesterification of these oils and fats is carried out using homogeneous or heterogeneous catalysts.[6] The homogeneous catalysis has good conversion rates, and. Vegetable oils present varied composition of chain fatty acids (Table 1).[9] the properties of the biodiesels are derived from the fatty acid chains present in oils or fats
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