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Problem 13.3: The fugacity coefficient of CO2 in liquid n-pentane at 344.15 K, 2.93 bar approaches the value ? = 39.2. Use this information to calculate Henry's law constant for this system. Problem 13.4: A chemical process produces a waste stream that is mostly air but contains dimethlyamine (DMA) at a mol fraction of 0.01. To satisfy emission standards, the gas stream must be purified to contain no more than 100 ppm of DMA. To achieve this concentration, the gas is passed through a liquid scrubber in which water is sprayed from the top of the tank while the gas rises. During the contact between the drops and the gas, some DMA is transferred to the liquid phase. The inlet water contains no DMA and the exiting streams may be assumed to be in equilibrium with each other. The process is operated at 25 °C, 1 bar. a) Calculate the required flow rate of water to achieved the desired purification. Report the result in kg of water per kg of air. b) If the water flow rate must remain less than 50 kg water/kg of air, what is the required pressure? c) Critique the assumption that the exit streams are at equilibrium. Additional data: Henry's law constant for DMA at 25 °C is 1.84 bar.
A boiler is fired using 200 kg /hr of pure saturated hydrocarbon gas ( Cn Hm ) at atmospheric pressure and 20 oc. The dry analysis of the flue gas which leaves the boiler at atmospheric pressure and 300 oc is CO2 =..
Determine which of the following 3 material substrates would have the best R-value or lowest thermal conductivity. The purpose is to determine which of the 3 materials would make the best insulator to heat and cold?
What were the materials used in the implant? What were the advantages of the materials used and what was the surface texture of these implants? How did this contribute to the biocompatibility of the implant?
1. How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters. Pressure = 3 bar absolute. Temperature = 50 Celcius? The ideal gas law constant R = 0.00008314 cubic meters.bar/K/gmol. A..
Prepare a report on pollution due to transport in Oman and its environmental impact.
Design the most efficient centrifugal pump that produces 200 gpm (45.5cumeters/hr) water flow rate at 100 psi (680 kPa) head. Specify the impellor diameter and width for a 3400 rpm service.
Hydrogen gas at a pressure of 1.25 bar is contained in a thick-walled neoprene rubber sphere which has inner and outer radii of 70 mm and 80 mm, respectively.
One compartment is evacuated, the other contains steam at 7.5 bar, 300 °C. The latches are removed and the gas expands to fill the entire volume of the cylinder. When the system reaches equilibrium, its pressure is 1 bar. Determine the final tempe..
Find the -6 dB width of the envelope of a time pulse and the two end frequencies needed to scan a 1 mm thick slice from -15 cm to +15 cm around an isocenter on the z axis. Assume Gz = 0:5 T=m.
Continuous Stirred Tank Reactor (CSTR) : Flow rate and Reactor Volume, The liquid phase reactions
What is the resultant force of the entire system? What are the magnitude and direction of acceleration of the weights?
find the current from the supply source. Sketch the phasor diagram showing all quantities involved.
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