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Problem 6.4:
You are in charge of a unit that produces two streams, A at 600 °C, 10 bar, with molar flow rate 100 mole/s; and B at 200 °C, 20 bar, with molar flow rate 50 mole/s. Those streams are currently throttled to 1 bar. An engineer in your team comes to you with an idea to utilize these streams to produce heat and work. She believes she can extract 1700 kW of work and 220 kW of heat that will be used to boil water at 1 bar. Her process, whose details are yet to be determined, will receive streams A and B as inlet and will have a single outlet stream that will be delivered at 1 bar. a) What is the temperature of the exit stream? b) Should you take this idea to your manager for further discussions? c) Could you use the heat from this process to boil water at 10 bar? Additional information: Assume the exhaust gases can be treated as an ideal gas with CP = 30 J/mole K.
A packed tower is designed to recover 98% CO2 from a gas mixture containing 10 % CO2 and 90 % air using water . A relation y = 14 x can be used for equilibrium conditions where y is kg CO2 / kg dry air and x is kg CO2 /kg water. The water to gas r..
1. What is the principle of Lime Soda process? Give their functions with chemical reactions. 2. Write notes on Reserve osmosis and Ultra filtration.
Forty-five kilograms of a solution containing 30 wt% ethylene glycol in water is to be extracted with furfural. Using Figures 4.14a and 4.14c, calculate:
At full load, find the speed of (i) the rotor field with respect to the rotor, (ii) the rotor field with respect to the stator, and (iii) the rotor field with respect to the stator field.
adsorption and membrane processeszeolites are used to adsorb a wide range of solutes from vapour and gas streams. what
Carbon dioxide can be separated from other gases by preferential absorption into an amine solution. The carbon dioxide can be recovered by heating at atmospheric pressure. Suppose pure CO2 vapor is available from such a process at 80°C and 1 bar. Sup..
An annuity due is being used to accumulate money. Interest is compounded at an effective annual rate of 8 percent, and $1000 is deposited at the beginning of each year. What will the total amount of the annuity due be after 5 years?
The process used in the manufacture of aniline from nitrobenzene is described in Appendix F, Design Problem F.8, which is available in the online material at booksite.Elsevier.com/Towler. The process involves six significant stages:
Determine the vessel dimensions if the vessel is vertically mounted. Evaluate the relief loads for the blocked outflow and external fire cases and hence determine the relief valve size.
If a 500-hp, 90% efficient synchronous motor, operating at full load and 0.8 leading power factor, is added instead of the capacitor in part (a), calculate the resulting power factor.
Explain the graphical design procedure for finding the reactor size for adiabatic operations ofPlug flow and Mixed flow reactors.(May-2005 & Dec-2005) and The flowthrougha tubularreactor, inwhicha first order irreversible liquid phase reaction tak..
Given I = 10 A, N = 500 turns, g = 5 mm, a = 20 mm, and b = 2 mm, calculate the magnitude of the force.
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