A plated distillation column is designed to produce 8000 kg h-1 distillate and 15000 kg h-1...
A plated distillation column is designed to produce 8000 kg h-1 distillate and 15000 kg h-1 bottom products at a reflux ratio of 3 and tray spacing of 600 mm. The other design data are given below. Stating clearly any assumptions in your answer, (a) calculate the liquid and vapour flowrates in the enriching and stripping sections of the distillation column. (8 marks)
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A plated distillation column is designed to produce 8000 kg h-1
distillate and 15000 kg h-1...
A distillation column is separating a feed that is 40 mol% methanol and 60% water. The...
A distillation column is separating a feed that is 40 mol%
methanol and 60% water. The two phase feed is 60% liquid.
Distillate product should be 92% methanol and bottoms 4 mol%. A
total reboiler and a total condenser are used and reflux is
saturated. Operation is at atmospheric pressure with a reflux ratio
of 0.9. Under these conditions, HG = 1.3 ft and HL = 0.8ft in both
the stripping and enriching sections. Determine the required
packing height in...
Question 3 A saturated liquid mixture is fed to a continuous distillation column at 300 kmol/h. The specifications...
Question 3 A saturated liquid mixture is fed to a continuous distillation column at 300 kmol/h. The specifications of the operation of the column are provided in Table 2. The column operates at 800 kPa. Table 2: Feed, distillate and bottoms flowrates Component Feed (kmol/h) Bottoms (kmol/h) Distillate (kmol/h) methanol 95 ethanol 33 n-propanol (LK) 67 n-butanol (HK) 45 4 n-pentanol 60 Total 300 Additional information: a. n-propanol is the light key component (LK) and n-butanol is the heavy key...
A mixture containing 42% benzene and 58% toluene by mass is fed to a distillation column....
A mixture containing 42% benzene and 58% toluene by mass is fed to a distillation column. A second mixture is also fed to the distillation column and has a composition of 65% toluene and 35% acetone by mass. The flowrates of the mixtures are 2500 kg h1 and 1500 kg h1 respectively. An overhead distillate exit stream of 800 kg h-1 containing 23% acetone and a bottom exit stream of 25% benzene are produced. Determine the bottom exit flowrate and...
Hand Calculations (40 %)-(must not exceed 2 pages) The process involves the separation of a binary mixture containing heptane and ethylbenzene using a countercurrently operated continuous fractio...
Hand Calculations (40 %)-(must not exceed 2 pages) The process involves the separation of a binary mixture containing heptane and ethylbenzene using a countercurrently operated continuous fractionation unit. A feed at a flowrate of 252 mol/h containing 43 wt% heptane and 57 wt% ethyl benzene is to be fractionated at 1 bar to give a distillate with 95 mol% heptane and a bottom product with 95 m0196 ethyl benzene. The reflux ratio will be 70% more than the minimum. The...
Problem 2 A sieve tray column is designed with 18” tray spacing to operate at a...
Problem 2 A sieve tray column is designed with 18” tray spacing to operate at a pressure of 4 atm. The value of the flow parameter Flv = 0.5 and the flooding velocity is 4 ft/s. Unfortunately, the distillation temperature is found to be too high, and unacceptable thermal degradation occurs. To reduce the operating temperature, you suggest reducing the column pressure to 1.0 atm. Estimate the new flooding velocity. As an engineer, what aspect of the distillation column design...
A distillation column is separating a feed that is 40 mol%
methanol and 60% water. The two phase feed is 60% liquid.
Distillate product should be 92% methanol and bottoms 4 mol%. A
total reboiler and a total condenser are used and reflux is
saturated. Operation is at atmospheric pressure with a reflux ratio
of 0.9. Under these conditions, HG = 1.3 ft and HL = 0.8ft in both
the stripping and enriching sections. Determine the required
packing height in...
Question 3 A saturated liquid mixture is fed to a continuous distillation column at 300 kmol/h. The specifications of the operation of the column are provided in Table 2. The column operates at 800 kPa. Table 2: Feed, distillate and bottoms flowrates Component Feed (kmol/h) Bottoms (kmol/h) Distillate (kmol/h) methanol 95 ethanol 33 n-propanol (LK) 67 n-butanol (HK) 45 4 n-pentanol 60 Total 300 Additional information: a. n-propanol is the light key component (LK) and n-butanol is the heavy key...
A mixture containing 42% benzene and 58% toluene by mass is fed to a distillation column. A second mixture is also fed to the distillation column and has a composition of 65% toluene and 35% acetone by mass. The flowrates of the mixtures are 2500 kg h1 and 1500 kg h1 respectively. An overhead distillate exit stream of 800 kg h-1 containing 23% acetone and a bottom exit stream of 25% benzene are produced. Determine the bottom exit flowrate and...
Hand Calculations (40 %)-(must not exceed 2 pages) The process involves the separation of a binary mixture containing heptane and ethylbenzene using a countercurrently operated continuous fractionation unit. A feed at a flowrate of 252 mol/h containing 43 wt% heptane and 57 wt% ethyl benzene is to be fractionated at 1 bar to give a distillate with 95 mol% heptane and a bottom product with 95 m0196 ethyl benzene. The reflux ratio will be 70% more than the minimum. The...
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