This example illustrates the use of liquid-liquid phase equilibria in material balance calcu-lations. The condensate stream from the condenser described in Example 4.2 is fed to adecanter to separate the condensed water and dichloroethane (EDC). Calculate the decanteroutlet stream compositions.FeedEDC 5459 kg/hWater 1075WaterphaseOrganicphase

Assume outlet phases are in equilibrium. The solubilities of the components at 200C are:EDC in…

Answered: This example illustrates the use of…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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A continues fractionation column, operation at atmospheric pressure, is to be designed to separate a mixture containing 27% CS₂ and 73% CCl4 into an overhead product containing 95% CS2 and a waste of 95% CCl4 (all mole percent). If the reflux ratio is taken as 3.16, using the data below. Determine the number of plates required in the following cases: - a- Feed inlet at T = 290 k b- Feed inlet at T = 336 k c- Feed inlet partially vaporized 70% liquid and 30% vapor. d-Feed is saturated vapor and xf = 0.5. e-Feed inlet at T = 380 k and xf = 0.5. Given the following data:- cpr = 225.42 kJ/kmol.k, TB.p=336k, λ = 25900 kJ/kmol. y% 8.23 15.55 26.6 33.2 49.5 63.4 74.7 82.9 87.8 93.1 x% 2.96 6.15 11.06 14.35 25.85 39 53.18 66.3 75.75 75.75 86.2
An iron-carbon alloy initially containing 0.308 wt% C is exposed to an oxygen-rich and virtually carbon-free atmosphere at 1150°C. Under these circumstances the carbon diffuses from the alloy and reacts at the surface with the oxygen in the atmosphere; that is, the carbon concentration at the surface position is maintained essentially at 0.0 wt% C. At what position will the carbon concentration be 0.231 wt% after a 6 h treatment? The value of D at 1150°C is 5.5 × 10-10 m²/s. erf(z) erf(z) erf(z) 0.00 0.0000 0.55 0.5633 1.3 0.9340 0.025 0.0282 0.60 0.6039 1.4 0.9523 0.05 0.0564 0.65 0.6420 1.5 0.9661 0.10 0.1125 0.70 0.6778 1.6 0.9763 0.15 0.1680 0.75 0.7112 1.7 0.9838 0.20 0.2227 0.80 0.7421 1.8 0.9891 0.25 0.2763 0.85 0.7707 1.9 0.9928 0.30 0.3286 0.90 0.7970 2.0 0.9953 0.35 0.3794 0.95 0.8209 2.2 0.9981 0.40 0.4284 1.0 0.8427 2.4 0.9993 0.45 0.4755 1.1 0.8802 2.6 0.9998 0.50 0.5205 1.2 0.9103 2.8 0.9999
What’s the answer for 3 please
Normal butane is catalytically isomerized to isobutane. A fresh feed stream containing pure n-butane at temperature T, is mixed adiabatically with a recycle stream containing n-butane and isobutane, and the combined stream is fed to the reactor, where some but not all of the n-butane in the feed is converted. The reactor effluent is pumped to a distillation column. The overhead distillation product contains primarily isobutane and a small amount of n-butane. The bottoms product, which also contains both species, is the stream recycled to the reactor. The streams leaving the distillation column are at different temperatures. a) Determine the number of degrees of freedom associated with the feed mixer, the reactor, the distillation column, and the entire process. Include all unknown process stream temperatures and process unit heat duties in your analysis. b) Suppose a single-pass conversion of 35.0% is attained in the reactor, the overhead distillation column product contains 88.5 mole…
Steam distillation can be run more efficiently in some cases using super-heated steam at 1 atm pressure rather than boiling water. By increasing the temperature of the steam beyond the boiling point of water in a controlled fashion, the oil may still be protected from degradation while increasing its contribution to the vapor composition, making the process more efficient. At 150 °C, linalyl acetate exerts a vapor pressure of 93 torr. If a steam still were run using steam heated to this temperature in place of boiling water, how much water must co-distill to collect 1.0 grams of linalyl acetate?
The following stream is at 100 psia and 190F. Perform and isothermal flash calculation to determine the vapor fraction, liquid fraction, vapor composition and liquid composition at this temperature and pressure.
Q2. Consider a fuel which is an equimolar mixture (1 mole each) of propane (C3Hs) and methane (CH4). (a) Write the complete stoichiometric combustion reaction for this fuel with air (b) Determine the stoichiometric A/F ratio of this fuel (C) Estimate the maximum flame temperature using average specific heat cp at 1200 K. Assume the boiler using this fuel operates at 1 atm and the reactants enter at 298 K. AH(C3H8) -103,847 kJ/kmol. AHCHA)-74,831 kJ/kmol AH (H20) =-241,847 kJ/kmol, AH'r(co2) - 393,546 kJ/kmol, CP120-43.87 kJ/kmol.K Cpco2 = 56.20 kJ/kmol.K. Cps2 = 33.71 kJ/kmol.K
12
I don’t understand this
Please show every step you used to solve each problem. A vapor mixture of 100 mol/s comprising 55 mol% benzene and 45 mol % toluene is sent to a partial condenser operating at 760 mm Hg. 75 mol% of the toluene in the feed is recovered in the liquid product. Determine all unknown flow rates, compositions, and required heat removal. and do a degree a. Draw a process flow diagram of freedom analysis b. Write out equations used to solve and to calculate all specifications used in Excel Solver unknown flow rates, compositions, C. F Specify the temperature and pressure of the feed as T₁ = 102°C and P₁ = 760 mm Hg. Choose the lowest enthalpy stream (liquid product stream) for a reference condition. Calculate the required heat removal analytically by hand (No Excel Solver). d. Create Enthalpy Table
You now work for the new biogas company ‘WhiffGen’ who are scaling up a process to take waste bio materials and produce solid fuel pellets for biomass boilers. As a part of the feedstock treatment, chloride is removed as this would cause corrosion and possible dioxin generation in the biomass boilers. This chloride removal process produces a waste gas stream containing hydrogen chloride acid gas at 7% by volume in dry air.The packed column is to treat 175 m3 s-1 of the hydrogen chloride gas stream to a concentration of 0.3% by volume. The water used is high purity and is to have a concentration of 5% by weight after being passed through the column. Draw a simple block diagram of the column with the input and output streams labelled and calculate the volumetric flow rate of gas leaving the column.
Please show steps for both parts

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