Effects of Neutralization, Decoloration, and Deodorization on Polycyclic Aromatic Hydrocarbons during Laboratory-Scale Oil Refining Process
Table 4
PAHs content (mean ± SD ()) in crude oil and each step of the oil refining process.
PAH
Mean ± SD ()
Crude oil
Neutralized oil
Bleached oil
Deodorized oil
Nap
34.20 ± 2.28
10.75 ± 0.78
3.17 ± 1.32
4.25 ± 0.63
Acy
5.20 ± 0.45
2.74 ± 0.14
1.06 ± 0.01
1.38 ± 0.05
Ace
22.38 ± 1.95
4.80 ± 0.52
5.80 ± 0.28
3.61 ± 0.11
Fl
67.85 ± 5.35
44.40 ± 2.22
11.05 ± 1.00
19.61 ± 1.28
Phe
212.74 ± 8.66
47.73 ± 2.39
44.00 ± 2.54
134.40 ± 3.32
Ant
41.67 ± 2.56
27.00 ± 1.42
4.62 ± 0.05
18.11 ± 1.22
Flu
135.80 ± 9.01
64.60 ± 4.03
14.48 ± 0.63
77.88 ± 6.00
Pyr
71.60 ± 5.48
39.60 ± 2.58
9.52 ± 0.11
40.95 ± 2.33
BaA
38.80 ± 2.22
24.11 ± 0.98
0.54 ± 0.01
22.19 ± 0.98
Chr
37.20 ± 2.63
22.60 ± 0.82
0.87 ± 0.01
22.09 ± 1.36
BbFlu
29.20 ± 1.98
23.10 ± 1.13
0.27 ± 0.01
16.15 ± 1.11
BkFlu
12.36 ± 0.63
4.24 ± 0.51
0.16 ± 0.01
7.10 ± 0.58
BaP
24.00 ± 1.51
3.58 ± 0.37
0.06 ± 0.01
14.21 ± 1.08
DBahA
2.84 ± 0.16
0.69 ± 0.01
0.05 ± 0.01
1.09 ± 0.02
BghiP
14.10 ± 1.13
9.91 ± 1.28
0.12 ± 0.01
8.06 ± 0.05
IP
14.00 ± 1.18
8.56 ± 0.80
0.03 ± 0.00
8.74 ± 1.08
667.44 ± 15.96
288.33 ± 7.28
95.11 ± 3.33
344.46 ± 8.57
96.50 ± 7.34
50.08 ± 3.00
0.69 ± 0.02
55.34 ± 2.22
129.20 ± 8.11
73.39 ± 4.82
1.74 ± 0.01
74.64 ± 2.54
PAH16
763.94 ± 16.97
338.41 ± 7.54
95.80 ± 4.51
399.8 ± 9.22
LPAHs, including Nap, Acy, Ace, Fl, Phe, Ant, Flu, Pyr, BaA, and Chr; HPAHs, including BbFlu, BkFlu, BaP, DBahA, BghiP, and IP; PAH4, including BaA, Chr, BbFlu, and BaP.
