Utilization of Biodiesel By-Products for Biogas Production

Table 3

Composition of oil cakes.

Oil cake	Dry matter %	Crude protein %	Crude fibre %	Ash %	Calcium %	Phosphorus %
Canola oil cake	90	33.9	9.7	6.2	0.79	1.06
Coconut oil cake	88.8	25.2	10.8	6.0	0.08	0.67
Cottonseed cake	94.3	40.3	15.7	6.8	0.31	0.11
Groundnut oil cake	92.6	49.5	5.3	4.5	0.11	0.74
Mustard oil cake	89.8	38.5	3.5	9.9	0.05	1.11
Olive oil cake	85.2	6.3	40.0	4.2	—	—
Palm kernel cake	90.8	18.6	37	4.5	0.31	0.85
Sesame oil cake	83.2	35.6	7.6	11.8	2.45	1.11
Soy bean cake	84.8	47.5	5.1	6.4	0.13	0.69
Sunflower oil cake	91	34.1	13.2	6.6	0.30	1.30