Quality Standards For Degumming
Quality Standards For Degumming
Recommended Quality of Oils for Biodiesel Production
- Oil must be degummed
- Phosphorus (Gums) must be <20 PPM
- Low levels of heavy metals: Iron, Copper, Calcium and Magnesium
Average composition of crude and refined soybean oil*
|
Crude Oil Composition |
Conventional Process |
Acid Super Degumming |
Green + Plus |
|
| Phosophorus (ppm) |
400-1300 |
80-200 |
12-20 |
15-35 |
|
Iron (ppm) |
1-3 |
<1 |
0.1 – 0.3 |
N.D. |
|
Copper (ppm) |
0.03-0.05 |
<0.05 |
0.02 |
N.D. |
|
Calcium (ppm) |
50-150 |
30 |
1 – 5 |
3-15 |
|
Magnesium (ppm) |
50-150 |
20 |
1 – 5 |
1-12 |
*The values for (ppm) total are average values for crude oils with the corresponding phosphorus numbers. Actual (ppm) may vary with crude oil quality and process conditions.
