Table 7 Physical properties of recovered 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 fuel

Sp. gr. @15 °C

0.8464

API @15 °C

35. 6

Carbon residue, wt%

3.01

Ash content, wt%

0.072

Asphaltene content, wt%

3.12

Water content, vol%

Nil

Sulfur content wt%

2.032

Salt content, mg/L

15.9

Viscosity, cst @37.8 °C

132

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