Fig. 4

NFJOEE’s yield as a function of individual ethylic parameters: (a) NFJOEE’s yield vs. catalyst dosage, (b) NFJOEE’s yield vs. reaction temperature, (c) NFJOEE’s yield vs. reaction time, (d) NFJOEE’s yield vs. ethanol/oil molar ratio.

NFJOEE’s yield as a function of individual ethylic parameters: (a) NFJOEE’s yield vs. catalyst dosage, (b) NFJOEE’s yield vs. reaction temperature, (c) NFJOEE’s yield vs. reaction time, (d) NFJOEE’s yield vs. ethanol/oil molar ratio.