D 664 Sulfur content, %mass
D 129-64
0.001
0.05
0.905
Cetane no.
D 613-86
47
48-60
51
Water content, (vol%)
IP-74/57
nil
0.05
Zero
Carbon residue, wt. %
D 189-65
0.15
0.05 max
-
Ash content, %
D 482-63
0.003
0.02max
-
4.6 Engine performance studies Co-ignition characteristics test of rubber seed oil diesel with commercial diesel: Diesel oil is collected from local market and observation of co-ignition characteristics using different amount of Rubber seed oil. Results of different experiments of co-ignition are shown in the table. Table: 4.11 Co-ignition characteristics of Rubber seed oil with commercial diesel: Type
Ratio
Duration, (min)
Conventional diesel
to
Emission gas temperature (Oc)
9:1
8:37
80
8:2
11:01
81
7:3
10:14
78
6:4
10:10
77
5:5
7:57
84.5
4:6
7:48
84.5
2:8
8:54
86
100%
9:05
89
Biodiesel RS biodiesel
Observation
Running smoothly, No visible smoke, Smell better with increase of biodiesel percentage