In-Situ Trans-esterification of Cottonseeds Oil (Gossypium Spp) Using CaO Derived from Egg Shell
Journal Title: Physical Science & Biophysics Journal - Year 2018, Vol 2, Issue 1
Abstract
In-situ trans-esterification of cottonseed oil (Gossypium spp) was carried out with 5g calcium oxide derived from egg shell as catalyst using soxhlet extraction apparatus and 1:1 of n-hexane to methanol. All the trans-esterification reactions were carried out at 600C temperature for 2 hours. The results produced a biodiesel with 35.75% yield, water and sediment content 0.08%, density 0.85g/cm3, specific gravity 0.85, saponification value 16.83mgKOH/g, acid value 0.79mgKOH/g, iodine value 59.22I2/100g, cetane number 357.28, and high heating value 47.85MJ/kg. The GC/MS results indicated the presence of tetradecanoic acid, methyl ester, hexadecanoic acid, methyl ester, 11-octadecenoic acid, methyl ester, 6- octadecenoic acid, (z)-methyl ester, octadecanoic acid, methyl ester, n-hexadecanoic acid, oleic acid and 2-ethyl-2- hexanal. Thus, the processing of cottonseed oil into methyl ester using soxhlet extraction method is recommended as it required low energy input as compare to conventional method.
Authors and Affiliations
Sani AM, Muhammad LA*, Mukhtar M, Bello SA, Galadima A, Bagudo AM
Keywords
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