chemical physics of discharges - Argonne National Laboratory

537
I Table 111
E
Extraction of Pyridine Bases from Lig$t Oil
i With Pyridinium Sulfate Solution
L I
I
I
i
I
1,
Test No.
1
2
3.
4
Mole Ratio of Pyridine in Pyridine in
Pyridine to H2E4 Washed Light Oil, % Extract, %
1.68
1.67
1.63
1.54
0.15
0.12
0.08
0.05
~ * In each test, light oil containing 0.44 percent of P-bases was
washed with a lean pyridinium sulfate solution (mole ratio 1.05)
prepared by adding crude P-bases to a 30 weight percent sulfuric
1 acid solution.
\
I
i
I
Table IV
Extraction of Pyridine Bases from Light Oil
(30 Percent Phosphoric Acid at 55 C)
I
Mole Ratio of Pyridine in Pyridine in Pyridine in
?est No. Pyridine to H3E4 Light Oil, % Washed Light Oil, %. Extract, %
I
I,) One-stage wash.
!) Two-stage wash.
I
.\
I'
i
i
I
t
3
1.0
1.0
0.70
0.92
0.95
5.67
2.10
4.60
4.60
4.60
0.44
0.40
0.24
0.59
0.58
29
29
28
27
19.5
19.2
14.5
18.1
18.6