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Identification of methyl ester content from waste cooking oil using gas chromatographic method

Abdullah, Nor Hazwani and Hasan, Sulaiman (2014) Identification of methyl ester content from waste cooking oil using gas chromatographic method. Applied Mechanics and Materials, 660. pp. 297-300. ISSN 1662-7482

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Waste cooking oil has always been an environment problem in food factories and one method of effect disposing this oil without effecting the environment is to convert it to fatty acid methyl ester (FAME) using small scale pilot plant. The conversion of waste cooking oil with sodium hydroxide as a catalyst in conversional process at 22kHz speed. The reaction of time, molar ratio, speed, catalyst and amount of catalyst will be effect in FAME quality. The quality of biodiesel define is total ester content using gas chromatography. Gas chromatography analysis is a one of technique for identification and quantitation of compounds in a biodiesel sample. From biodiesel sample can identification of contaminants and fatty acid methyl ester. In this research biodiesel sample were analyses using a gas chromatography- flame ionization detector ( Perkin Elmer GC Model Clarus 500) equipped with a DB-5 HT capillary column ( 0.53mm x 5 m) J&W Scientific. The analytic conditions for ester content were as follow by: column temperature used 210⁰C, temperature flame ionization detector (FID) of 250⁰C, pressure of 80kPa, flow carrier gas of 1ml/min, temperature injector of 250⁰C, split flow rate of 50ml/min, time for analysis 20 minute and volume injected of 1 μl. The ester content (C), expresses as a mass fraction in present using formula (EN 14103, 2003a) calculation. Conversion of triglyceride (TG) to FAME using conversional process obtained 96.54 % w.t with methanol to oil molar ratio 6:1, 1%w.t acid sulphuric and 1% w.t sodium hydroxide catalyst.

Item Type: Article
Uncontrolled Keywords: waste cooking oil; methyl ester; gas chromatography; EN 14103; alternative energy
Subjects: T Technology > TP Chemical technology > TP670-699 Oils, fats, and waxes
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Manufacturing and Industrial Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 16 Jun 2015 12:53
Last Modified: 16 Jun 2015 12:53
URI: http://eprints.uthm.edu.my/id/eprint/6415
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