Table 1 The ECOD of real gas oil by ((n-C4H9)4N)4H[PW11FeO39]@NiO nanocatalyst.

From: Deep oxidative desulfurization of gas oil by iron(III)-substituted polyoxometalate immobilized on nickel(II) oxide, ((n-C4H9)4N)4H[PW11FeO39]@NiO, as an efficient nanocatalyst

Entry

Features of rea gas oil

Before ECOD

After ECODa

After ECODb

1

Total sulfur content wt%

0.8735

0.0301

0.0303

2

Density @ 15 °C

0.8248

0.8246

0.8246

3

Mercaptans ppm

265

6

7

4

Flash point (°F)

139

138

138

5

Water content vol%

0.024

0.024

0.024

6

Cloud point (°C)

− 4

− 4

− 4

7

Color test

1.6

1.6

1.6

8

Viscosity KIN @ 50 °C. CST

2.8

2.7

2.7

9

Pour point (°C)

− 10

− 10

− 10

10

Distillation (IBP °C)

160.5

160.3

160.4

11

Distillation (FBP °C)

386.4

386.2

386.1

  1. aECOD experiment condition: real gas oil (50 mL), ((n-C4H9)4N)4H[PW11FeO39]@NiO nanocatalyst (0.1 g), acetic acid-H2O2 (6 mL), extraction solvent (6 mL), time = 2 h, and temperature = 60 °C.
  2. bECOD of real gas oil by reused TBPW11Fe@NiO nanocatalyst.
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