Abstract
This work presents a study on crude oil and biodiesel obtained from the seeds of the tropical plants Anacardium occidentale L (cashew), Cocos nucifera (coconut palm) and Gossypium hirsutum (upland cotton). The following crude oil and biodiesel physical–chemical properties were determined: acid number, iodine value, copper corrosivity, density and viscosity at different temperatures. Also, the chemical composition of the fatty acid methyl esters was measured using gas chromatography and a comparison was made with biodiesel from other sources reported in the literature. The analysis pointed out that cashew, coconut palm and upland cotton are potential sources for biodiesel production. Among the biodiesel types tested, cashew showed the highest oxidation stability.
Highlights
The world energy demand and environmental contamination have both increased throughout the years from the Vegetable oils are the most studied ones for biodiesel production, among them palm, soybean, rapeseed and sunflower [3]
This work presents a study on crude oil and biodiesel obtained from the seeds of the tropical plants Anacardium occidentale L, Cocos nucifera and Gossypium hirsutum
This paper presents an analysis of the physical–chemical properties of the crude oil and biodiesel produced from the tropical plants Anacardium occidentale L, Cocos nucifera and Gossypium hirsutum
Summary
The world energy demand and environmental contamination have both increased throughout the years from the Vegetable oils are the most studied ones for biodiesel production, among them palm, soybean, rapeseed and sunflower [3]. Other oleaginous plants have recently been considered for biodiesel production, such as Anacardium occidentale L. This is popularly known as cashew, belonging to the Anacardiaceous group, typical from tropical zone, and it presents excellent nutritional and medical properties. The other is light amber, with high concentration of fatty acids, and it has started to be studied as a potential biodiesel source [4]. The fatty acid composition of Anacardium occidentale L has previously been reported by [5, 6]
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