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Table 7 Example of internal reflux from top tray calculation

From: Refinery Gas Treating Processes

Stream

V or L

°F

lb/h

Btu/lb

MMBtu/h

In

 Int. reflux

V

222

x

1,162

1,162x

 Product

V

222

7,506

123

0.923

Total in

  

7,506 + x

 

0.923 + 1,162x

Out

 Prod

V

100

7,506

155.7

1.169

 Reflux

L

222

x

222

222x

 Condenser

    

8.125

Total out

  

7,506 + x

 

9.294 + 222x