Oxidative Stability of SBO, PO and CWG-based biodiesel

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Presentation transcript:

Oxidative Stability of SBO, PO and CWG-based biodiesel Project Status Report Rhet de Guzman 03/25/2008

Biodiesel Oxidative Stability Anti-oxidants: 1) α-T - α-Tocopherol 2) IB - IONOL BF200 3) BHT - 2,6-Di-tert-butyl-4-methylphenol 4) BHA - FCC Butylated hydroxyanisole, 98.5+% FCC 5) DTBHQ - 2,5-Di-tert-Butyl-hydroquinone, 99% 6) TBHQ – tert-Butylhydroquinone, 97% 7) PG - Propyll Gallate 8) PY – Pyrogallol, 99% Anti-oxidants in 1000ppm, 500ppm and 250ppm concentrations

SBO-based biodiesel Oxidative Stability SBO ND Anti-oxidant conc Ratio 250 PPM 500 PPM 1000 PPM Blank 2.52 1 α-T 2.54 2.72 3.01 1.007937 1.079365 1.194444 IB 3.02 3.48 4.3 1.198413 1.380952 1.706349 BHT 2.95 3.34 4.32 1.170635 1.325397 1.714286 BHA 3.31 4 5.43 1.313492 1.587302 2.154762 DTBHQ 3.55 1.40873 TBHQ 2.91 3.42 4.75 1.154762 1.357143 1.884921 PG 8.47 11.08 14.75 3.361111 4.396825 5.853175 PY 12.76 16.03 18.43 5.063492 6.361111 7.313492

SBO-based biodiesel Oxidative Stability Results:

PO-based biodiesel Oxidative Stability PO ND Anti-oxidant conc Ratio 250 PPM 500 PPM 1000 PPM Blank 7.35 1 α-T 6.17 6.66 7.66 0.839456 0.906122 1.042177 IB 8.66 10.25 13.99 1.178231 1.394558 1.903401 BHT 7.77 9.12 11.41 1.057143 1.240816 1.552381 BHA 12.11 17.24 25.02 1.647619 2.345578 3.404082 DTBHQ 6.28 6.68 8.63 0.854422 0.908844 1.17415 TBHQ 7.82 7.81 11.72 1.063946 1.062585 1.594558 PG 21.86 31.74 44.97 2.97415 4.318367 6.118367 PY 29.63 40.68 54.84 4.031293 5.534694 7.461224

PO-based biodiesel Oxidative Stability Results:

CWG-based biodiesel Oxidative Stability CWG ND Anti-oxidant conc Ratio 250 PPM 500 PPM 1000 PPM Blank 2.35 1 α-T 3.51 4.23 5.41 1.493617 1.8 2.302128 IB 3.38 6.51 9.22 1.438298 2.770213 3.923404 BHT 5.27 6.74 9.3 2.242553 2.868085 3.957447 BHA 7.19 11.11 14.85 3.059574 4.72766 6.319149 DTBHQ 4.64 6.31 12.05 1.974468 2.685106 5.12766 TBHQ 7.28 12.14 23.02 3.097872 5.165957 9.795745 PG 14.2 22.92 30.66 6.042553 9.753191 13.04681 PY 26.07 34.97 40.58 11.09362 14.88085 17.26809

CWG-based biodiesel Oxidative Stability Results:

Biodiesel Oxidative Stability Results:

Biodiesel Oxidative Stability