Light Straight Run Stabilizer Operation

Effect of Fractionation Severity

Upon Composition and Bottom's RVP

             
             

Case

I

II

III

IV

V

     

Simulation

Medium RVP

Medium RVP

 
     

Matching

Some C4

No C4

 
   

Plant Data

Plant Data

in LSR

in LSR

Minimum RVP

Flows, BPSD

         
 

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

         
 

% 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%