A distillation column is separating 100 kmol/h of saturated
vapor feed that is 30 mol% ethanol,...
A distillation column is separating 100 kmol/h of saturated
vapor feed that is 30 mol% ethanol, 25 mol% i-propanol, 35 mol%
n-propanol, and 10 mol% n-butanol at a pressure of 1.0
atm. We want a 98.6% recovery of i-propanol in the
distillate and 99.2% recovery of n-propanol in the
bottoms. The column has a total condenser and a partial
reboiler. The distillate flow rate in kmol/hr is ___________, the
bottoms flow rate in kmol/hr is ____________, the molar fraction of
i-propanol in the distillate is ______________, and the molar
fraction of n-propanol in the bottoms is _________________.
Solutions
Expert Solution
all
the calculations is done with the help of scientific calculator.and
all values of given question is find out.
Giving solution is best upto my knowledge.sorry for any missing
step.
The ethanol-water mixture is separated on a distillation column. Feed contains 20% ethanol
and 1000 kmol / hour speed is entering the system. The feed temperature is 30ºC and its enthalpy is 15kcal / kg.
Saturated feed steam enthalpy 485 kcal / kg and saturated feed liquid enthalpy
70kcal / kg. Distillate has at least 80% ethanol and 2% ethanol concentration of the sub-product
is required to be. The feedback / distillate ratio is 5/3. System pressure is 1 atm....
A distillation column with a total condenser and a partial
reboiler is separating ethanol and water at 1 kg/cm2 pressure. Feed
is 32.0 mol% ethanol and is at 30°C. Feed flow rate is 100.0
kmol/h. The distillate product is a saturated liquid, and
distillate is 80.0 mol% ethanol. The condenser removes 2,065,113
kcal/h. The bottoms is 4.0 mol% ethanol. Assume that CMO is valid.
Find the number of stages and the optimum feed stage location.
Data: CPL,EtOH = 24.65 cal/(mol°C)...
A saturated liquid feed composed of 30 % mol Benzene (B), 30 %
mol Toluene (T) and 40 % mol p-Xylene (X) is separated by an
isobaric column operating at 1 atm. The feed flow rate is 1
kmol/hr. Toluene is the light key with a mole fraction in the
bottom stream equal to 0.1. The heavy key has a mole fraction in
the distillate stream equal to 0.05.
1- Find the optimal design using shortcut methods tool of
Aspen-HYSYS...
We are separating a mixture that is 10 mol% methanol, 20 mol%
ethanol, 30 mol% n-propanol and 40 mol% n-butanol in a distillation
column. The feed is a saturated liquid. We desire to recover 98% of
the ethanol in the distillate and 97% of the n-propanol in the
bottoms product. The column has a total condenser and a partial
reboiler and a feed rate of 100 kmol/hour at 1 atm pressure. The
external reflux ratio is 5. In the enriching...
1 kmol/h of a feed stream containing 15, 45 and 40 mol% of
nitrogen, n-butane and n-pentane at 500 ºC and an unknown pressure,
is cooled isobarically to a temperature of 105 ºC and fed into a
flash drum operating at the same temperature (105 ºC) and pressure.
If the vapor fraction V/F in the drum is equal to 0.5, determine
the pressure at which the flash drum operates, and the flow rates
and composition of both streams leaving the...
A mixture of propane, butane and pentane are to be separated in
a distillation column. Feed= Propane - 20 wt % Butane - 50 wt%
Pentane - 30wt%. Top=Propane – 93 wt% Butane - 7 wt% Pentane – 0
wt%. Bottom=Propane - ?? wt % Butane - ?? wt% Pentane - 38 wt%. The
weight % values shown are compositions. The total feedrate is 5000
kg hr-1. ALL the pentane is recovered in the bottom product,
(comprising 38 wt% of...
Multicomponent Distillation 1
A distillation column is separating ethane, propane, and
n-butane at 5 atm. Operation is at total reflux. We want a 98.9%
recovery of ethane in the distillate and a 99.8% recovery of
n-butane in the bottoms. Propane is a sandwich component (e.g., in
between light and heavy keys). The feed is a saturated liquid at
100 kmol/h composed of 30.0 mol% ethane, 33.0 mol% propane and 37.0
mol% n-butane. You may assume relative volatilities are constant,
αEB...
What Happens to the bottom and top products if the feed point to
a distillation column is switched from the designed optimum to
1. A tray closer to the reboiler?
2. A tray closer to the condenser?
After fermentation, a mixture of ethanol and water is sent to a
small distillation column. At the top of the distillation column, a
95% ethanol solution at 65°C is produced at a flow rate of 3.5
kg/s. Your job is to design a double-pipe heat exchanger that will
cool the 95% ethanol mixture to 40°C by using cooling water that is
available at 10°C. Assume an outlet temperature of the cooling
water of 55°C, and only use Schedule 40 pipe...
A distillation column receives a feed that is 40 mole %
n-pentane and 60 mole % n-hexane. The feed is
saturated liquid at 2,500 lbmol/hr. The column is at 1 atm. A
distillate that is 97 mole % n-pentane is desired. A total
condenser is used. The reflux is a saturated liquid. The external
reflux ratio is L0/D = 3. The bottoms
from the partial reboiler is 2 mole % n-pentane. Determine
the intersection (xq, yq)
of the q-line with...