# Question Reflux Kerosene 420 F 9. H.W Date April, 2022 A simple atmospheric distillation tower as shown in the Figure below have a capacity of 1200 bbl/day. Steam vapor with flow rate of 567 lb/hr at Temp. 535 F and (Cp=0.5) is supported blow the flash zone. Given the information in the Table below Steam + Gasoline 286 Ib/hr Latent Mol. Ср heat wt Gasoline 3415 0.56 Reflux Kerosene 420 F 9. H.W Date April, 2022 A simple atmospheric distillation tower as shown in the Figure below have a capacity of 1200 bbl/day. Steam vapor with flow rate of 567 lb/hr at Temp. 535 F and (Cp=0.5) is supported blow the flash zone. Given the information in the Table below Steam + Gasoline 286 Ib/hr Latent Mol. Ср heat wt Gasoline 3415 0.56 120 110 Naphtha 754 0.55 113 155 Naphta 335 F Kerosene 2765 0.57 100 185 Gas Oil 1530 0.59 90 240 Reduced Crude oil 600 F 0.72 5610 Gasoil 510F Crude Loss Steam 535 F 96 Crude Oil 14170 Reduced crude 510F 1. Make a heat balance to determine the amount of heat that must be removed to keep the tower in thermal balance? 2. How many pounds of reflux are required if cold reflux at 80 F is used? 3. Calculate the correct temperature at the top of the tower using Claussius - Clapeyron eq. if the total pressure at top of the tower = 780 mmHg and the dew point of 100% Gasoline at 760 mmHg on the EFV curve is 296 F.? Temp. 576 F

D2VXWN The Asker · Chemical Engineering

Transcribed Image Text: Reflux Kerosene 420 F 9. H.W Date April, 2022 A simple atmospheric distillation tower as shown in the Figure below have a capacity of 1200 bbl/day. Steam vapor with flow rate of 567 lb/hr at Temp. 535 F and (Cp=0.5) is supported blow the flash zone. Given the information in the Table below Steam + Gasoline 286 Ib/hr Latent Mol. Ср heat wt Gasoline 3415 0.56 120 110 Naphtha 754 0.55 113 155 Naphta 335 F Kerosene 2765 0.57 100 185 Gas Oil 1530 0.59 90 240 Reduced Crude oil 600 F 0.72 5610 Gasoil 510F Crude Loss Steam 535 F 96 Crude Oil 14170 Reduced crude 510F 1. Make a heat balance to determine the amount of heat that must be removed to keep the tower in thermal balance? 2. How many pounds of reflux are required if cold reflux at 80 F is used? 3. Calculate the correct temperature at the top of the tower using Claussius - Clapeyron eq. if the total pressure at top of the tower = 780 mmHg and the dew point of 100% Gasoline at 760 mmHg on the EFV curve is 296 F.? Temp. 576 F
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Transcribed Image Text: Reflux Kerosene 420 F 9. H.W Date April, 2022 A simple atmospheric distillation tower as shown in the Figure below have a capacity of 1200 bbl/day. Steam vapor with flow rate of 567 lb/hr at Temp. 535 F and (Cp=0.5) is supported blow the flash zone. Given the information in the Table below Steam + Gasoline 286 Ib/hr Latent Mol. Ср heat wt Gasoline 3415 0.56 120 110 Naphtha 754 0.55 113 155 Naphta 335 F Kerosene 2765 0.57 100 185 Gas Oil 1530 0.59 90 240 Reduced Crude oil 600 F 0.72 5610 Gasoil 510F Crude Loss Steam 535 F 96 Crude Oil 14170 Reduced crude 510F 1. Make a heat balance to determine the amount of heat that must be removed to keep the tower in thermal balance? 2. How many pounds of reflux are required if cold reflux at 80 F is used? 3. Calculate the correct temperature at the top of the tower using Claussius - Clapeyron eq. if the total pressure at top of the tower = 780 mmHg and the dew point of 100% Gasoline at 760 mmHg on the EFV curve is 296 F.? Temp. 576 F