Free fatty acid content minimization of dry wash purified Jatropha methyl ester using amberlite as adsorbent.

Date

10-2010

Degree

Bachelor of Science in Chemical Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Rex B. Demafelis

Committee Member

Butch G. Bataller, Denise O. Santiago

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Abstract

Purification of Jatropha methyl ester extracted from neutralized oil through dry washing using ion-exchange resin, Amberlite IRA-96 as adsorbent. The effect of varying temperature, mixing speed, varying resin-to-biodiesel (w/w) ratio, and reaction time was tested and analyzed. The optimum condition was determined when biodiesel achieved minimum free fatty acid content for the said adsorbent using a full Central Composite Design (CCD) Response Surface Methodology (RSM). The runs were analyzed through Thin Layer Chromatography (TLC) and a simple titration setup. Three optimizations were done: Purity, FFA content and the combination of the two. It was observed that the biodiesel achieved minimum amount of free fatty acid without significant impact on purity at 40 oC temperature, 0.75 % resin-biodiesel ratio, 30 minutes of reaction time and 250 rpm mixing speed. The resulting FFA content was 0.2841 mg KOH per g washed biodiesel.

Language

English

LC Subject

Biodiesel fuels, Jatropha

Location

UPLB College of Engineering and Agro-Industrial Technology (CEAT)

Document Type

Thesis

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