Upload
maurice-doyle
View
214
Download
1
Tags:
Embed Size (px)
Citation preview
FTIR Calibration CurvesFTIR Calibration CurvesOxidative Stability of SBO-based biodieselOxidative Stability of SBO-based biodiesel
Project Status ReportRhet de Guzman and Haiying Tang
03/11/2008
FTIR Calibration Curves• NextDiesel SBO-based biodiesel• NextDiesel WG-based biodiesel• BDI YG-based biodiesel
Test Blends:– RKA ULSD , B2, B5, B10, B15, B20, and B25
FTIR Detection – SBO BlendsULSD
SBO
1. Aliphatic HC2. Alkyl grp – gen3. Alkyl long chain4. Carbonyl cmpd5. Carbonyl cmpd – w/
possibility of ester or ketone
1,2,31,2,3
3
2,3
4,55 3
FTIR Detection
CEF B20 Test Samples
Test Area Result Result in% SBO test
1.5019 0.214835 21.48% 1
1.5017 0.214807 21.48% 2
1.5151 0.21673 21.67% 3
1.4596 0.208763 20.88% 4
1.453 0.207815 20.78% 5
y = 6.9658x + 0.0054 Y=Area, x=blend %
X= (Area – 0.0054)/6.9658
SBO-based biodiesel Oxidative Stability• Anti-oxidants:
1) α-T - α-Tocopherol2) IB - IONOL BF2003) BHT - 2,6-Di-tert-butyl-4-methylphenol4) BHA - FCC Butylated hydroxyanisole, 98.5+% FCC5) DTBHQ - 2,5-Di-tert-Butyl-hydroquinone, 99%6) TBHQ – tert-Butylhydroquinone, 97%7) PG - Propyll Gallate8) PY – Pyrogallol, 99%
Anti-oxidants in 1000ppm, 500ppm and 250ppm concentrations
SBO-based biodiesel Oxidative Stability• Results: Class Anti-oxidant conc
250 PPM
500 PPM
1000 PPM
Blank 2.52
α-T 2.54 2.72 3.01IB 3.02 3.48 4.3
BHT 2.95 3.34 4.32BHA 3.31 4 5.43
DTBHQ 2.72 3.01 3.55TBHQ 2.91 3.42 4.75
PG 8.47 11.08 14.75PY 12.76 16.03 18.43