Light Straight Run Stabilizer Operation |
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Effect of Fractionation Severity Upon Composition and Bottom's RVP |
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Case |
I |
II |
III |
IV |
V |
|
Simulation |
Medium RVP |
Medium RVP |
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Matching |
Some C4 |
No C4 |
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Plant Data |
Plant Data |
in LSR |
in LSR |
Minimum RVP |
||
Flows, BPSD |
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OH prod |
2,511 |
2,806 |
2,852 |
2,864 |
3,055 |
|
Btms prod |
6,253 |
6,733 |
6,687 |
6,675 |
6,484 |
|
Feed |
9,228 |
9,539 |
9,539 |
9,539 |
9,539 |
|
Reflux |
6,909 |
6,909 |
10,000 |
19,000 |
18,000 |
|
Purities |
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% C5's in OH |
--- |
0.03% |
0.01% |
1.30% |
6.24% |
|
% C4's in btm |
--- |
0.87% |
0.19% |
0.0024% |
0.0003% |
|
Bottoms RVP |
9.3 |
9.3 |
9.0 |
8.9 |
8.5 |
|
Temperatures |
||||||
Top |
140 |
140 |
141 |
141 |
149 |
|
Bottom |
300 |
300 |
302 |
303 |
305 |
|
% flood |
--- |
38% |
56% |
85% |
106% |
|