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Problem 5.21 Air/Carbon Dioxide A stream of air (21.0 mole % O2, the rest N2) flowing...
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...
A.2. One hundred g/min of air is mixed with a stream of carbon dioxide. The product...
A.2. One hundred g/min of air is mixed with a stream of carbon dioxide. The product stream is analyzed and found to contain 56.7 wt% N2. Calculate the volumetric flow rate of the CO2 feed stream (liters/min at STP) and the mole fraction of the product stream components.
Problem 2: Non-reacting Ideal Gas Mixture (30 pts) 5 kmole/s of a mixture of carbon monoxide CO (...
Problem 2: Non-reacting Ideal Gas Mixture (30 pts) 5 kmole/s of a mixture of carbon monoxide CO (40% molar) and Nz (60% molar) at 47°C and 2 bar (state 1) is mixed with of a mixture of carbon dioxide CO2 (55% molar) and N2 (45% molar) at 147°C (state 2) to obtain a mixture at state 3 with 77°C, The heat transfer to the surrounding is neglected. Determine: a) b) c) The mole flow rate n2 in kmole/s. (18 pts)...
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...
A mixture of methane and air is capable of being ignited only if the mole pecent...
A mixture of methane and air is capable of being ignited only if the mole pecent of methane is between 5% and 15%. A mixture containing 9.0mole% methane in air flowing at a rate of 700.kg/h is to be diluted with pure air to reduce the methane concentration to the lower flammability limit. Calculate the required flow rate of air in mol/h and the percent by mass of oxygen in the product gas. (note Air may be taken to consist...
Problem 1 An absorber-stripper process is used to remove carbon dioxide (CO2) and hydrogen sulfide (H2S)...
Problem 1 An absorber-stripper process is used to remove carbon dioxide (CO2) and hydrogen sulfide (H2S) from a feed (stream 1) consisting of 25% CO2 and 15% H2S in nitrogen. In the absorber, a solvent selectively absorbs hydrogen sulfide and carbon dioxide. The absorber overhead (stream 2) contains only 2% CO, and the balance Nitrogen with no Hys. Ny is insoluble in the solvent. The rich solvent stream leaving the absorber (stream 3) is flashed in a flash separator: the...
Problem 4.80 Methanol Synthesis Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor....
Problem 4.80 Methanol Synthesis Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to the process contains 32.0 mol% CO 64.0 mol% H2 and 4.00 mol% N2: This stream is mixed with a recycle stream in a ratio of 10.00 mol recycle / mol fresh feed to produce th feed to the reactor, which contains 12.0 mol% N2 The reactor effluent goes to a condenser from which two streams emerge: a liquid product stream...
Problem 1 A mixture having mole fractions of 37% N2, 50% CO2, 10% O2 and 3%...
Problem 1 A mixture having mole fractions of 37% N2, 50% CO2, 10% O2 and 3% CO flows through a turbine with Ti = 100° C and P1 = 200 kPa. Analyze the gas mixture to find: (a) the mass fractions of the components (b) the equivalent molar mass (c) the gas constant for the mixture (d) the specific heat at constant pressure (Cp) and the specific heat ratio (k) for the mixture power output by a turbine with exit...
Problem 9.26 Benzaldehyde Production Benzaldehyde is produced from toluene in the catalytic reaction CH.CH3 + O2...
Problem 9.26 Benzaldehyde Production Benzaldehyde is produced from toluene in the catalytic reaction CH.CH3 + O2 + CHECHO + H20 Dry air and toluene vapor are mixed and fed to the reactor at 350.0 °F and 1 atm. Air is supplied in 200.0 % excess. Of the toluene fed to the reactor, 13.0 % reacts to form benzaldehyde and 1.70 % reacts with oxygen to form CO2 and H20. The product gases leave the reactor at 379 °F and 1...
A bituminous coal is burned with air in a boiler furnace. The coal is fed at a rate of 40000 kg/h and has an ultimate analysis of 76wt% C, 5wt% H, 8wt% O, negligible amounts of N and S, and 11wt% non-...
A bituminous coal is burned with air in a boiler furnace. The
coal is fed at a rate of 40000 kg/h and has an ultimate analysis of
76wt% C, 5wt% H, 8wt% O, negligible amounts of N and S, and 11wt%
non-combustible ash. Air enters a preheater at 30 °C and 1 atm with
a relative humidity of 30%, exchanges heat with the hot flue gas
leaving the furnace and air enters the furnace at temperature Ta
(°C). The flue...
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...
A.2. One hundred g/min of air is mixed with a stream of carbon dioxide. The product stream is analyzed and found to contain 56.7 wt% N2. Calculate the volumetric flow rate of the CO2 feed stream (liters/min at STP) and the mole fraction of the product stream components.
Problem 2: Non-reacting Ideal Gas Mixture (30 pts) 5 kmole/s of a mixture of carbon monoxide CO (40% molar) and Nz (60% molar) at 47°C and 2 bar (state 1) is mixed with of a mixture of carbon dioxide CO2 (55% molar) and N2 (45% molar) at 147°C (state 2) to obtain a mixture at state 3 with 77°C, The heat transfer to the surrounding is neglected. Determine: a) b) c) The mole flow rate n2 in kmole/s. (18 pts)...
Problem 1 An absorber-stripper process is used to remove carbon dioxide (CO2) and hydrogen sulfide (H2S) from a feed (stream 1) consisting of 25% CO2 and 15% H2S in nitrogen. In the absorber, a solvent selectively absorbs hydrogen sulfide and carbon dioxide. The absorber overhead (stream 2) contains only 2% CO, and the balance Nitrogen with no Hys. Ny is insoluble in the solvent. The rich solvent stream leaving the absorber (stream 3) is flashed in a flash separator: the...
Problem 4.80 Methanol Synthesis Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to the process contains 32.0 mol% CO 64.0 mol% H2 and 4.00 mol% N2: This stream is mixed with a recycle stream in a ratio of 10.00 mol recycle / mol fresh feed to produce th feed to the reactor, which contains 12.0 mol% N2 The reactor effluent goes to a condenser from which two streams emerge: a liquid product stream...
Problem 1 A mixture having mole fractions of 37% N2, 50% CO2, 10% O2 and 3% CO flows through a turbine with Ti = 100° C and P1 = 200 kPa. Analyze the gas mixture to find: (a) the mass fractions of the components (b) the equivalent molar mass (c) the gas constant for the mixture (d) the specific heat at constant pressure (Cp) and the specific heat ratio (k) for the mixture power output by a turbine with exit...
Problem 9.26 Benzaldehyde Production Benzaldehyde is produced from toluene in the catalytic reaction CH.CH3 + O2 + CHECHO + H20 Dry air and toluene vapor are mixed and fed to the reactor at 350.0 °F and 1 atm. Air is supplied in 200.0 % excess. Of the toluene fed to the reactor, 13.0 % reacts to form benzaldehyde and 1.70 % reacts with oxygen to form CO2 and H20. The product gases leave the reactor at 379 °F and 1...
A bituminous coal is burned with air in a boiler furnace. The
coal is fed at a rate of 40000 kg/h and has an ultimate analysis of
76wt% C, 5wt% H, 8wt% O, negligible amounts of N and S, and 11wt%
non-combustible ash. Air enters a preheater at 30 °C and 1 atm with
a relative humidity of 30%, exchanges heat with the hot flue gas
leaving the furnace and air enters the furnace at temperature Ta
(°C). The flue...
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