SBO-based biodiesel

Haiying Tang

Last week work

• Revised the paper

• Literature review on the effect of refine process on the sterol glucoside content

• Measurement the properties of new SBO-biodiesel

Properties of SBO-based BiodieselASTM method ASTM

specificationSBO (2) SBO(1)

IP (hr) EN 14112 3 7.2 3.52

Viscosity, 40 ºC (mm2/s) D 445 1.9-6.0 4.062 4.336

Acid number (mg KOH/g) D 664 0.5 0.21 0.215

Water and sediment, vol % D 2709 0.050 max

Free glycerin (mass %) D 6584 0.020 0.006

Total glycerin (mass %) D 6584 0.24 0.1773

Cloud point (ºC) D 2500 Report 2 3

Pour point (ºC) D 97 -3 -3

Cold filter plugging point(ºC) D 6371 -4 -3

Flash point (ºC) D 93 130 min 175.5

Carbon residue (%) D-4530 0.05 max 0.0066 0.067

ASTM method

ASTM specification a

SBO DSBO CSO PF YG ULSD

Viscosity, 40 ºC (mm2/s)

D 445 1.9-6.0 4.336 4.050 4.221 4.386 4.552 2.154

Acid number (mg KOH/g)

D 664 0.5 max 0.215 0.179 0.262 0.298 0.515 0.005

Free glycerin (mass %)

D 6584 0.020 0.006 0 0.001 0.001 0.000 -

Total glycerin (mass %)

D 6584 0.24 0.177 0 0.186 0.143 0.016 -

Cloud point (ºC) D 2500 Report 3 4 6 7 13 -25

Pour point (ºC) D 97 -3 0 0 3 0 -36

CFPP (ºC) D 6371 -3 0 3 2 -3 -26

Induction Period (hr)

EN 14112 3 minimum 3.52 0.13 6.57 0.67 2.25 -