From: Process optimization of Calophyllum inophyllum-waste cooking oil mixture for biodiesel production using Donax deltoides shells as heterogeneous catalyst
S. No
Calophyllum inophyllum oil (%)
Waste cooking oil (%)
Acid value (mg of KOH g−1 of oil)
1
100
0
65.0
2
75
25
44.6
3
50
33.5
4
15.4
5
0.3