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One hundred kilogram-moles per hour of a saturated liquid mixture of 12 mol% ethyl alcohol in water is distilled continuously by direct steam at 1 atm introduced directly to the bottom plate. The distillate required is 85 mol% alcohol, representing 90% recovery of the alcohol in the feed. The reflux is saturated liquid with L/D = 3. Feed is on the optimal stage. Vapor-liquid equilibrium data are given in Exercise 7.29. Calculate:
(a) Steam requirement, kmol/h
(b) Number of theoretical stages
(c) The feed stage (optimal)
(d) Minimum reflux ratio,(L/D)min
Suppose the volumetric flow rate of the gas leaving the condenser is 20.0m3/h Calculate the rate (kg/h) at which acetone is vaporized in the solvent recovery unit.
The speed of the rotor rotating magnetic field with respect to the stator rotating magnetic field in r/min.
1. Apply the query tuning on following query and explain why your modification is more efficient? SELECT S_name, S_Phone, S_Age FROM STUDEN
A sealed rigid tank of 1 m3 capacity contains 1.2 kg of water at 1 bar and 99.63 °C. To this tank we add heat until the pressure increases to 3 bar. What is the temperature at the end of the heating?
The addition of an oxidizing agent such as chlorine water to a clear solution of an unknown compound results in the appearance of a brown color. When this solution is shaken with the organic solvent, methylene dichloride, the organic solvent layer..
Indium antimonide (InSb) is a semiconductor with a narrow band gap of 0.17eV and an intrinsic carrier concentration of 2×1016cm-3. The mobility of electrons in InSb is 78000 cm2/V⋅s and their effective mass is 0.014m0, while the holes have a mobility..
A vapor of titanium isopropoxide (partial pressure = 133 pascal) is reacted in O2 rich CH4 flame at T=2000K. Calculate the diameter of the nuclei.
Neglecting stator resistance and rotational and stray-load losses, and assuming constant rotor resistance, calculate the starting torque and the maximum torque in per-unit of full-load torque, as well as the slip at which the maximum torque occurs..
A sealed rigid tank contains 1 kg of wet steam at 300 °C. The fraction of the liquid in the tank is not known. Upon adding heat to the tank it is observed that the vapor condenses. The heating stops when the system becomes saturated liquid. At tha..
the rate of flow to an ammonia synthesis reactor contains 25 mole ltbrgtnitrogen and the balance hydrogen. the flow
i need 1 page about this book( engineering and chemical thermodynamic 2nd edition )what learn form this problem in book: 4.44 , 4.48 , 5.2 ,5.9 ,5.10, 5.29 ,5.39 ,5.46 ,6.19 ,6.44 ,6.52 .6.54 ,7.18 ,7.29 ,7.45 ,7.50 ,7.54 , 8.19 ,8.20 summarize yo..
A liquid containing 60 mol% toluene and 40 mol% benzene is continuously distilled in a single-equilibrium-stage unit at atmospheric pressure. What percent of benzene in the feed leaves in the vapor if 90% of the toluene entering in the feed leaves..
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