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Extraction of bio-oil from non-edible novel source Senna occidentalis seeds

ABSTRACT Valuable oil within the seeds of Senna occidentalis is extracted by completely different strategy. However, ancient Soxhlet extraction was compared with microwave-assisted extraction. Soxhlet extraction was known to enhance the yield of bio-oil production. Three polar solvents specifically methanol, acetone, isopropyl alcohol and three non-polar solvents specifically chloroform, hexane, toluene were used. Soxhlet equipment has been established to be the simplest technique with the highest oil yield. Parameters like size fractions of the crushed seeds, extraction time, aging of seeds, and selection of solvents have been optimized in order to enhance oil yield. The bio-oil was characterized using (FT-IR) and GC/MS. Chemical reaction price, iodine variety, relative density, carbon residue content, flash purpose, fire point, hot price, and kinematic consistency were investigated to characterize fuel quality of the bio-oil. The maximum oil yield of 23.46% was obtained with isopropanol at 82.6°C and 3.5 h of optimum extraction time.