Table 11 Comparison of COME properties between the present study and other Work.

From: Sustainable biodiesel production from cottonseed oil using a nickel-doped eggshell heterogeneous catalyst optimized via response surface methodology

Oil properties

Unit

Current study values

Previous study value

Cetane number

-

53.75

53.136

Density@40°C

Kg m⁻³

865.7

877.537

Kinematic viscosity@40°C

mm²/s

4.96

4.6338

Acid value

mgKOH/g

0.18

0.136

Flash point

°C

162.4

15436

Saponification value

mgKOH/G

193

208.411

Iodine value

gI₂/100 g

108.18

104.737

viscosity@40°C

mm²/s

4.4

4.8136

Moisture

%

0.5

0.0239

HHV

MJ/kg

39.45

38.638

FFA

(%)

0.09

0.08940