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1. The attached drawing 01-A-005/1 is a process flow diagram (PFD) for one small section of a much larger butane isomerization plant. PFDs are normally printed on 11"x17" sheets of paper. For this problem we will focus on an energy balance around the feed cooler E-301. a) Assuming that stream 13 is composed entirely of isobutane calculate the flowrate of boiler feed water (stream 24) required to produce the same phase and temperature changes shown on the drawing. (You may want to use Kopp's rule to estimate the liquid phase heat capacity for isobutane) b) How does your answer to part a) compare to what is shown on the drawing when stream 13 is a mixture?

1. The attached drawing 01-A-005/1 is a process flow diagram (PFD) for one small section of a much larger butane isomerization plant. PFDs are normally printed on 11"x17" sheets of paper. For this problem we will focus on an energy balance around the feed cooler E-301. a) Assuming that stream 13 is composed entirely of isobutane calculate the flowrate of boiler feed water (stream 24) required to produce the same phase and temperature changes shown on the drawing. (You may want to use Kopp's rule to estimate the liquid phase heat capacity for isobutane) b) How does your answer to part a) compare to what is shown on the drawing when stream 13 is a mixture?

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FROM REFLUX PUMP L-301A/B BOILER FEED WATER ISOMERATE 06 01-A-004/1 FROM REACTOR R-202 LP STEAM FROM LP STEAM HEADER STREAM TOTAL (lb/hr) n-butane (nC+) isobutane (iC+) Cr-C3 Cst H₂ HCI C:Ch H₂O CO₂ 0₂ CO | N₂ 0 0 0 15 8 13 63000 540000 550000 0 0 0 0 63000 0 0 0 80 °F 80 psia 0 24 315 °F 445 psia 13 12000 190 20 0 200000 200000 320000 320000 5100 4100 4100 132 56 8 5 0 0 14 12000 190 20 0 8 5 0 0 E-301A/B 14 16 8200 2600 190 22 0 9 5 0 0 14 38 2 2 0 1 0 0 17 21 22 23 24 3400 820000 540000 280000 79000 320000 200000 110000 1200 2100 35 0 0 165 "F 440 psia 0 0 480000 320000 160000 7700 4000 3700 15000 12000 0 0 0 0 0 13 0 0 0 0 0 0 0 0 0 237 °F 75 psia 3100 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 79000 0 0 이이 0 0 165 F 440 psia 15 D-301 230 °F 310 psia 23 229 °F 315 psia 21 IN E-303A/B 308 F 75 psla 16 8 70 psla 24 22 230 °F 310 psia OVERHEAD GASES 07 01-A-005/2 CONDENSER E-302A/B LP STEAM TO LP STEAM HEADER CONDENSATE OUT ISOMERATE 08 01-A-006/1 TO DEISOBUTINIZER D-303 SYMBOLS: XX XX-X-XXXX/X STREAM INPUT/OUTPUT DRAWING NUMBER OFF PAGE CONNECTOR PARTNER NUMBER TEMPERATURE/PRESSURE INDICATOR FOR LIQUID STREAM BY/DATE: EDA/15-04-16 TEMPERATURE/PRESSURE INDICATOR FOR GAS STREAM TEMPERATURE/PRESSURE INDICATOR FOR TWO PHASE STREAM UTILITY STREAM IN/OUT REFERENCE DRAWINGS: INPUT/OUTPUT DIAGRAM - 01-A-001/1 BLOCK FLOW DIAGRAM - 01-A-002/2 PROCESS FLOW DIAGRAM DRAWING TITLE: GAS STRIPPING UNIT-SEPARATION AREA DWG#/SHT# 01-A-005/1 REV# 0
Transcribed Image Text:FROM REFLUX PUMP L-301A/B BOILER FEED WATER ISOMERATE 06 01-A-004/1 FROM REACTOR R-202 LP STEAM FROM LP STEAM HEADER STREAM TOTAL (lb/hr) n-butane (nC+) isobutane (iC+) Cr-C3 Cst H₂ HCI C:Ch H₂O CO₂ 0₂ CO | N₂ 0 0 0 15 8 13 63000 540000 550000 0 0 0 0 63000 0 0 0 80 °F 80 psia 0 24 315 °F 445 psia 13 12000 190 20 0 200000 200000 320000 320000 5100 4100 4100 132 56 8 5 0 0 14 12000 190 20 0 8 5 0 0 E-301A/B 14 16 8200 2600 190 22 0 9 5 0 0 14 38 2 2 0 1 0 0 17 21 22 23 24 3400 820000 540000 280000 79000 320000 200000 110000 1200 2100 35 0 0 165 "F 440 psia 0 0 480000 320000 160000 7700 4000 3700 15000 12000 0 0 0 0 0 13 0 0 0 0 0 0 0 0 0 237 °F 75 psia 3100 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 79000 0 0 이이 0 0 165 F 440 psia 15 D-301 230 °F 310 psia 23 229 °F 315 psia 21 IN E-303A/B 308 F 75 psla 16 8 70 psla 24 22 230 °F 310 psia OVERHEAD GASES 07 01-A-005/2 CONDENSER E-302A/B LP STEAM TO LP STEAM HEADER CONDENSATE OUT ISOMERATE 08 01-A-006/1 TO DEISOBUTINIZER D-303 SYMBOLS: XX XX-X-XXXX/X STREAM INPUT/OUTPUT DRAWING NUMBER OFF PAGE CONNECTOR PARTNER NUMBER TEMPERATURE/PRESSURE INDICATOR FOR LIQUID STREAM BY/DATE: EDA/15-04-16 TEMPERATURE/PRESSURE INDICATOR FOR GAS STREAM TEMPERATURE/PRESSURE INDICATOR FOR TWO PHASE STREAM UTILITY STREAM IN/OUT REFERENCE DRAWINGS: INPUT/OUTPUT DIAGRAM - 01-A-001/1 BLOCK FLOW DIAGRAM - 01-A-002/2 PROCESS FLOW DIAGRAM DRAWING TITLE: GAS STRIPPING UNIT-SEPARATION AREA DWG#/SHT# 01-A-005/1 REV# 0
1. The attached drawing 01-A-005/1 is a process flow diagram (PFD) for one small section of a much larger butane isomerization plant. PFDs are normally printed on 11"x17" sheets of paper. For this problem we will focus on an energy balance around the feed cooler E-301. a) Assuming that stream 13 is composed entirely of isobutane calculate the flowrate of boiler feed water (stream 24) required to produce the same phase and temperature changes shown on the drawing. (You may want to use Kopp's rule to estimate the liquid phase heat capacity for isobutane) b) How does your answer to part a) compare to what is shown on the drawing when stream 13 is a mixture?
Transcribed Image Text:1. The attached drawing 01-A-005/1 is a process flow diagram (PFD) for one small section of a much larger butane isomerization plant. PFDs are normally printed on 11"x17" sheets of paper. For this problem we will focus on an energy balance around the feed cooler E-301. a) Assuming that stream 13 is composed entirely of isobutane calculate the flowrate of boiler feed water (stream 24) required to produce the same phase and temperature changes shown on the drawing. (You may want to use Kopp's rule to estimate the liquid phase heat capacity for isobutane) b) How does your answer to part a) compare to what is shown on the drawing when stream 13 is a mixture?
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