Table 8 Physical properties of recovered diesel fuel in comparing with commercial diesel fuel.

From: Recovery of fuel from real waste oily sludge via a new eco-friendly surfactant material used in a digital baffle batch extraction unit

Physical property

Recovered diesel fuel

Commercial diesel fuel

Sp. gravity @15 °C

0.8071

0. 8173

API at @15 °C

43. 8

41. 6

Ash content, wt%

0.034

0.029

Carbon residue, wt%

0.087

0.039

Water content, wt%

Nil

Nil

Flash point, 0C

58

64

Total sulfur, wt%

1.73

0.83

Viscosity @ 37.8 0C

1.7

2

Diesel index

61

53

Final boiling point, IBP (°C)

174

177

5%

187

191

50%

244

250

90%

311

316

Final boiling point, FBP (°C)

347

350

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