Effects of Neutralization, Decoloration, and Deodorization on Polycyclic Aromatic Hydrocarbons during Laboratory-Scale Oil Refining Process
Table 3
Results of decoloration on PAHs.
Run
Parameter
Removal rate (%)
Absorbent amount (%)
Temperature (°C)
Time (min)
BaP
PAH16
1
0.2
100
15
66.5
67.9
60.3
11.5
18.6
2
0.2
110
25
78.3
77.0
65.8
20.8
27.9
3
0.2
120
35
87.9
87.6
80.4
17.2
26.1
4
0.5
100
25
96.6
96.1
92.9
54.8
60.0
5
0.5
110
35
97.8
96.9
94.9
56.2
61.3
6
0.5
120
15
84.3
78.1
76.0
42.3
46.8
7
1.0
100
35
99.7
99.1
97.7
80.7
83.0
8
1.0
110
15
98.8
97.6
97.0
74.8
77.7
9
1.0
120
25
98.9
98.4
97.8
74.9
77.9
Item
Level
Absorbent amount (%)
Temperature (°C)
Time (min)
BaP
1
77.6
87.6
83.2
2
92.9
91.6
91.3
3
99.1
90.4
95.1
Δ
21.5
4.0
11.9
Rank
1
3
2
1
68.8
83.6
77.8
2
87.9
85.9
85.5
3
97.5
84.7
91.0
Δ
28.7
2.3
13.2
Rank
1
3
2
1
77.5
87.7
81.2
2
90.4
90.5
90.5
3
98.4
88.1
94.6
Δ
20.9
2.8
13.4
Rank
1
3
2
1
16.5
49.0
42.9
2
51.1
50.6
50.2
3
76.8
44.8
51.4
Δ
60.3
5.8
8.5
Rank
1
3
2
PAH16
1
24.2
53.9
47.7
2
56.1
55.6
55.3
3
79.5
50.3
56.8
Δ
55.3
5.3
9.1
Rank
1
3
2
HPAHs, including BbFlu, BkFlu, BaP, DBahA, BghiP, and IP; PAH4, including BaA, Chr, BbFlu, and BaP; LPAHs, including Nap, Acy, Ace, Fl, Phe, Ant, Flu, Pyr, BaA, and Chr.
