Abstract
The present paper deals with the removal of acetic acid from aqueous solution using Tri-n-octyl amine (TOA) as extractant in biodiesels synthesized from sunflower, sesame and rice bran. Batch extraction of acetic acid from aqueous solution was carried out and extraction efficiency and loading factors were calculated by varying initial acid concentration and the percentage of Tri-n-octyl amine (TOA) in biodiesels on volume/volume basis. For sunflower oil biodiesel system- the extraction efficiency lies between 57.74 (10% TOA)-77.14 (30% TOA), for sesame oil biodiesel system- the extraction efficiency lies between 53.31 (10% TOA)-79.79 (30% TOA) and for ricebran oil biodiesel system- the extraction efficiency lies between 58.10 (10% TOA)-76.50 (30% TOA). The results revealed that the combination of TOA and biodiesel is efficient for removing acetic acid from aqueous solution.
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