For a particular process, it is desired to have a gas phase stream of oxygen (O)...

Transcribed Image Text:

For a particular process, it is desired to have a gas phase stream of oxygen (O₂) plus equal molar flowrates of methane and water (stream 4 below). To create the stream, a spray of liquid water is mixed adiabatically with a 60 mol/min stream of O₂ plus methane. In the mixer, some of the water evaporates, saturating the stream, while the remainder stays liquid (in the form of very small liquid droplets called an aerosol). The stream is then heated in a heat exchanger using a hot exhaust stream containing CO₂ and N₂. The whole process is represented in the flowchart below. Assume all streams are at 1 atm absolute pressure. Determine T₁, T4, and Q. T₁ °C, 1 atm 60 mol/min O₂ + CH4 Adiabatic mixer H₂O (liq), 30°C 3 30°C, 1 atm 0.6 mol O₂/mol 0.2 mol CH₁/mol 0.2 mol H₂0/mol 200 °C T4 °C, 1 atm 80 mol/min, 600°C 0.8 mol N₂/mol 0.2 mol CO₂/mol For a particular process, it is desired to have a gas phase stream of oxygen (O₂) plus equal molar flowrates of methane and water (stream 4 below). To create the stream, a spray of liquid water is mixed adiabatically with a 60 mol/min stream of O₂ plus methane. In the mixer, some of the water evaporates, saturating the stream, while the remainder stays liquid (in the form of very small liquid droplets called an aerosol). The stream is then heated in a heat exchanger using a hot exhaust stream containing CO₂ and N₂. The whole process is represented in the flowchart below. Assume all streams are at 1 atm absolute pressure. Determine T₁, T4, and Q. T₁ °C, 1 atm 60 mol/min O₂ + CH4 Adiabatic mixer H₂O (liq), 30°C 3 30°C, 1 atm 0.6 mol O₂/mol 0.2 mol CH₁/mol 0.2 mol H₂0/mol 200 °C T4 °C, 1 atm 80 mol/min, 600°C 0.8 mol N₂/mol 0.2 mol CO₂/mol

Answer rating: 100% (QA)

To solve this problem we need to use the principles of thermodynamics and mass conservation First lets identify the streams and their properties Stream 1 O2 CH4 60 molmin 1 atm T1 30C Stream 2 Water 0... View the full answer