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Morpholine Poisioning Clauss Claus Catalyst.pdf


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Table 1 shows vapor pressure
of Morpholine, which is about ½
that of water. Thus where water
goes, Morpholine goes. DGA has
only 1/100 of water and very little
is lost in well rectified units.

The normal concentration of
amine in the acid gas scrubber
is typically less than 0.20% by
weight. During this incident, the
concentration was 10-20 times
normal levels in SRU-1, which
is adjacent to the GT unit which
developed reclaimer tube leak

Table 1
vap
press mmHg
T, F
Morph
H20
DGA
90.00
20.00
36.00
0.35
120.00
40.00
88.00
0.61
212.00
310.00
750.00
2.30
Table 2
Total Amine in Acid Gas Scrubber %
Date Train 1
Train 2
Train 3
16-Sep 1.90
0.30
0.30
17-Sep 0.05
0.07
0.05
21-Sep <0.10
0.10
<0.10
29-Sep 1.10
0.15
<0.10
6-Oct 0.02
0.04
0.04