A comparative study of the production of esters from Jatropha oil using different short-chain alcohols: Optimization and characterization. (1st March 2015)

• Record Type: Journal Article
• Authors: Sánchez, Marcos; Bergamin, Federico; Peña, Elisa; Martínez, Mercedes; Aracil, José
• Is Part Of: Fuel. Volume 143(2015)
• Page Start: 183
• Page End: 188
• Publication Date: 2015-03-01
• Subjects: Jatropha curcas -- Biodiesel -- Optimization -- Experimental design -- Response surface methodology; Fuel -- Periodicals; Coal -- Periodicals; Coal; Fuel; Periodicals; 662.6
• DOI: 10.1016/j.fuel.2014.11.064
• Languages: English
• ISSNs: 0016-2361

Abstract

Highlights: Temperature and catalyst concentration have great significance in the process. Methanolysis of the esterified oil provides the highest FAME yields. The worst short-chain alcohol to perform the reaction in this study was 2-propanol. FAME, FAEE, FABE and FAIE are all suitable to be used in a diesel engine. Abstract: Due to the fact that n -butanol can be obtained from renewable biomass, a factorial design of experiments and a central composite design have been used to optimize the transesterification reaction of esterified oil from Crude Jatropha Curcas Oil (CJCO), choosing 1-butanol as reactive. The chosen response was the Fatty Acid Butyl Ester (FABE) yield while the studied variables were the temperature and the potassium methoxide concentration, which both have significance in the process. The FABE yield is augmented by increasing the temperature and the concentration of potassium methoxide in the transesterification reaction. Also, the transesterification reaction of CJCO was studied with four short-chain alcohols (methanol, ethanol, 2-propanol and n -butanol) at different temperatures (45–60 °C) and potassium methoxide concentrations (0.5–1 wt%). Finally, the transesterification reaction was carried out with methanol, ethanol, 2-propanol and 1-butanol and the most important properties fixed in the UNE-EN Standard were measured for each obtained biodiesel.