An experiment on the growth rate of certain organisms requires the establishment of an environment of...
An experiment on the growth rate of certain organisms requires the establishment of an environment of humid air enriched in oxygen. This environment is created by feeding streams A, B, and C into a chamber. A: Liquid water, fed at a rate of 20.0 cm3 /min. B: Air (21 mole % O2, 79 mole% N2). C: Pure oxygen (O2), with a molar flow rate one fifth of the molar flow rate of stream B. The output gas is analyzed and is found to contain 1.5 mole% water. Draw and label a flowchart of the process, and calculate the flowrates of stream B and C, and the water-free composition of the output.
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An experiment on the growth rate of certain organisms requires
the establishment of an environment of...
CONFIDENTIAL BKC/1617/BKF2343 QUESTION 1 An equimolar vapor mixture of n-pentane and n-hexane at 110°C and 1 atm is fed into a condenser at a rate of 200 L min When the feed is cooled and compress...
CONFIDENTIAL BKC/1617/BKF2343 QUESTION 1 An equimolar vapor mixture of n-pentane and n-hexane at 110°C and 1 atm is fed into a condenser at a rate of 200 L min When the feed is cooled and compressed in the condenser, some of the vapor is condensed. The products are separated and discharged in separate streams. The vapor and liquid products at the top and the bottom of the condenser are(in equilibrium at 60°C and pressure P mmHg. The vapor product stream...
Fresh air containing 5.00 mole % water vapor is to be cooled and dehumidified to a...
Fresh air containing 5.00 mole % water vapor is to be cooled and dehumidified to a water content of 2.13 mole % H2O. A stream of fresh air is combined with a recycle stream of previously dehumidified air and pass through the cooler. The blended stream entering the unit contains 2.88 mole % H2O. In the air conditioner, same of the water in the feed stream is condensed and removed as liquid. A fraction of the dehumidified air leaving the...
Terephthalic acid (TPA) is synthesized from -xylene (PX) in the process C8H10 +302 – C8H6O4 +2H2O...
Terephthalic acid (TPA) is synthesized from -xylene (PX) in the
process C8H10 +302 – C8H6O4 +2H2O shown below. A fresh feed of pure
liquid PX combines with a recycle stream containing PX and a
solution (S) of a catalyst (a cobalt salt) in a solvent (methanol).
The combined stream, which contains S and PX in a 3:1 mass ratio,
is fed to a reactor in which 90% of the PX is converted to TPA. A
stream of air at 25...
Problem 5.16 5.16. A stream of air (21 mole% 02, the rest N2) flowing at a rate of 100 kg/h is mixed with a stream...
Problem 5.16 5.16. A stream of air (21 mole% 02, the rest N2) flowing at a rate of 100 kg/h is mixed with a stream of CO. The CO; enters the mixer at a rate of 20.0 m/h at 150°C and 1.5 bar. What is the mole percent of CO, in the product stream? 5. Problem 5.17 S.17. Spray drying is a process in which a liquid containing dissolved or suspended solids is injected into a chamber through a spray...
Pure ethane is fed at the rate of 100 mols/min to a combustion chamber along with...
Pure ethane is fed at the rate of 100 mols/min to a combustion chamber along with 15 % excess air. Assume compete combustion takes place and determine: a) air fed to the chamber in mol/min b) flow of carbon dioxide in the exhaust in mol/min c) total flow of the exhaust gas in mols/min d) mole percent of water in the exhaust gas
You are in charge of a combustion furnace. The furnace is fed an air stream and...
You are in charge of a combustion furnace. The furnace is fed an air stream and a methane stream which is combusted to produce heat that is used to boil water and produce steam for your plant. The combustion of fuels using an air stream which contains nitrogen generally produces significant amounts of NO, compounds which are an air pollutant, so the exhaust gases must generally be removed through various processes. In this case, your furnace exhaust is passed through...
. (5pt) Ethylene oxide is produced by the catalytic oxidation of cthylenc C3H4 + O2 →...
. (5pt) Ethylene oxide is produced by the catalytic oxidation of cthylenc C3H4 + O2 → C2H40 An undesired competing reaction is the combustion of ethylene CO2 + H2O C2H4 + O2 The feed to the reactor contains 4 moles of ethylene per mole of oxygen, while the oxygen contains 0.4% inerts. The single pass conversion of ethylene is 15% and for every 100 moles of ethylene consumed in the reactor, 80 moles of ethylene oxide emerges in the reactor...
When air (=21 mole% O2, 79 mole% N2) is placed in contact with 1000 cm3 of...
When air (=21 mole% O2, 79 mole% N2) is placed in contact with 1000 cm3 of liquid water at body temperature, 36.9C, and 1 atm absolute, approximately 14.1 standard cubic centimeters [cm3(STP)] of gas are absorbed in the water at equilibrium. Subsequent analysis of the liquid reveals that 33.4 mole% of the dissolved gas is oxygen and the balanceis nitrogen. (a) Estimate the Henry's law coefficients (atm/mole fraction) of oxygen and nitrogen at 36.9C. (b) An adult absorbs approximately 0.4...
1. Acrylonitrile is produced by the reaction of propylene, ammonia, and oxygen C3H6 + NH3 +...
1. Acrylonitrile is produced by the reaction of propylene, ammonia, and oxygen C3H6 + NH3 + O2 C3H3N + 3H2O The feed contains 10 mole% propylene, 12% ammonia, and 78% air. A fractional conversion of 30% of the limiting reactant is achieved. Determine which reactant is limiting, the percentage by which each of the other reactants is in excess, and the molar flow rates of all product gas constituents for a 30% conversion of the limiting reactant, taking 100...
When air (21 mol% O2, 79 mol% N2) is placed in contact with 1000 cm3 of...
When air (21 mol% O2, 79 mol% N2) is placed in contact with 1000 cm3 of liquid water at body temperature, 37°C, and 1 atm absolute, approximately 14.1 standard cubic centimeters [cm3(STP)] of gas are absorbed in the water at equilibrium. Subsequent analysis of the liquid reveals that 33.4 mol% of the dissolved gas is oxygen and the balance is oxygen a) Estimate the Henry’s law coefficients (atm/mole fraction) of oxygen and nitrogen at 37°C b) An adult absorbs approximately...
CONFIDENTIAL BKC/1617/BKF2343 QUESTION 1 An equimolar vapor mixture of n-pentane and n-hexane at 110°C and 1 atm is fed into a condenser at a rate of 200 L min When the feed is cooled and compressed in the condenser, some of the vapor is condensed. The products are separated and discharged in separate streams. The vapor and liquid products at the top and the bottom of the condenser are(in equilibrium at 60°C and pressure P mmHg. The vapor product stream...
Terephthalic acid (TPA) is synthesized from -xylene (PX) in the
process C8H10 +302 – C8H6O4 +2H2O shown below. A fresh feed of pure
liquid PX combines with a recycle stream containing PX and a
solution (S) of a catalyst (a cobalt salt) in a solvent (methanol).
The combined stream, which contains S and PX in a 3:1 mass ratio,
is fed to a reactor in which 90% of the PX is converted to TPA. A
stream of air at 25...
Problem 5.16 5.16. A stream of air (21 mole% 02, the rest N2) flowing at a rate of 100 kg/h is mixed with a stream of CO. The CO; enters the mixer at a rate of 20.0 m/h at 150°C and 1.5 bar. What is the mole percent of CO, in the product stream? 5. Problem 5.17 S.17. Spray drying is a process in which a liquid containing dissolved or suspended solids is injected into a chamber through a spray...
You are in charge of a combustion furnace. The furnace is fed an air stream and a methane stream which is combusted to produce heat that is used to boil water and produce steam for your plant. The combustion of fuels using an air stream which contains nitrogen generally produces significant amounts of NO, compounds which are an air pollutant, so the exhaust gases must generally be removed through various processes. In this case, your furnace exhaust is passed through...
. (5pt) Ethylene oxide is produced by the catalytic oxidation of cthylenc C3H4 + O2 → C2H40 An undesired competing reaction is the combustion of ethylene CO2 + H2O C2H4 + O2 The feed to the reactor contains 4 moles of ethylene per mole of oxygen, while the oxygen contains 0.4% inerts. The single pass conversion of ethylene is 15% and for every 100 moles of ethylene consumed in the reactor, 80 moles of ethylene oxide emerges in the reactor...
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