For the given drying process, a material (Called SRU) is dried and feed and outputs are as shown in the figure below. What are the values of A and B? 8: composition (mass tractions) 0.20 water 0.80 SRU DRYER compostion (mass fraction) 0.80 water 0.20 SRU 2000 kg water

For the given drying process, a material (Called SRU) is dried and feed and outputs are as shown in the figure below. What are the values of A and B? 8: composition (mass tractions) 0.20 water 0.80 SRU DRYER compostion (mass fraction) 0.80 water 0.20 SRU 2000 kg water

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter14: Chromatography

Section: Chapter Questions

Problem 9P

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Two aqueous sulfuric acid solutions are available at a processing facility: 20.0 wt% H2SO4 (sg = 1.139) 60.0 wt% H2SO4 (sg = 1.498) It is desired to mix the two solutions such that the final product has a concentration of 4.00 M (sg-1.213). There is 100 kg of the 20% solution available. If all of this is to be used, calculate: The mass of 60% solution needed The mass and composition of the final product
2. A solution composed of 50% ethanol (E1OH), 10% methanol (MeOH), and the rest are (H2O) is fed in weight at the rate of 100 kg/hr into a separator that produces one output stream at the rate of 60 kg/hr with the composition of 80% E1OH and 15% MeOH, and the second output stream of unknown composition. Calculate the composition (in wt. %) of the three compounds in the unknown stream and its flowrate in kg/hr. (Remember to show the variable analysis)
Q2/ For a 97.5 wt% Fe-2.5 wt% C at a temperature 700 oC, determine the following: a) The Number and types of The Phases Present. b) The Amount of Phases Present in Grams That forms per 100 G. c) Draw The Microstructure Of Phases Present At This Point And What is The React called? 1600 1538 C -1493°C L 1400 Y+L 1200 1000 Temperature (°C) 1394°C 800 600 400 0 y. Austenite 912°C 0.76 0.022 a. Ferrite 2 2.14 1147 C + Fe₂C 4.30 y+ FeyC 727°C Cementite (Fe-C). 5 6 6.7
Q2: A stream of liquid water at a rate of N lit/s with a stream of methanol and ethanol mixture (contains 25 mol% methanol) are fed to continues evaporator. Another stream of methanol at a molar flow rate of G that of the alcohol mixture stream is fed to the same unit. If the liquids are evaporated totally and the produced vapor stream contains (0.1"G) mol% of water at a pressure of 28 psi and 220 F. calculate: 1- The flow rate and composition of all streams in a molar, mass, and volumetric basis 2- The average molecular mass of all streams The Specific gravity of methanol is 0.762 and that of ethanol is 0.789 while the density of vapors can be estimated as: p= p*Mw/RT where R-0.082 atm.m'/kmol.K.
The aqueous solution of acetic with a flow rate of 1000 kg/hr contains 30% acetic acid by mass and will be extracted in a countercurrent multistage process with pure isopropyl ether (IPE) to reduce the acetic acid concentration in the final raffinate phase (LN) to 2% by mass. a) Calculate the minimum solvent flow. b) Determine the theoretical number of steps required when using a solvent of 1.5 minimum solvent flow rate. c) Determine the number of theoretical steps using the McCabe-Thiele method. Chart. Acetic acid (A)-Water (B)-isopropyl ether (IPE) (C) LIQUID-Liquid Balances at 1 atm pressure and 293 K Water layer (%) Water (B) Isopropyl ether layer (%) Water (B) 0.6 Acetic acid (A) IPE (C) Acetic acid (A) IPE (C) 98.8 1.2 99.4 99.3 98.9 0.69 98.1 1.2 0.18 0.5 1.41 97.1 1.5 0.37 0.7 2.89 95.5 1.6 0.79 98.4 91.7 1.9 1.0 97.1 6.42 13.30 25.50 36.70 1.9 93.3 4.82 11.40 2.3 84.4 71.1 3.4 3.9 84.7 71.5 21.60 31.10 58.9 4.4 6.9 58.1 48.7 10.6 10.8 45.1 37.1 44.30 46.40 16.5 36.20 15.1…
6. A volatilization gravimetry experiment was conducted on an unknown organic liquid (presumed to only contain carbon, hydrogen, and oxygen). The liquid was massed (data in the first column below) and then combusted in an excess of oxygen. The exhaust gas was passed through a trap containing drierite and then through a trap containing ascarite. The starting and ending masses of the drierite and ascarite were used to obtain the data in the second two columns below. Mass Unknown 12.4370 12.5590 12.2230 Mass CO2 17.0822 17.2497 16.7882 Mass H₂O 13.9849 14.1221 13.7443 A.) Calculate the mass percent of carbon, hydrogen, and oxygen in the unknown liquid. There are no outliers, so you can average the data before processing, if you wish. B.) Calculate the empirical formula of the unknown compound.
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J kg/hr of a mixture of benzene (B), Toluene (T) and Water (W) was fed to a distillation column as shown below. The mass flow rate of benzene in the top stream is 220 kg B/hr. The operation is at steady state. The mass flow rate of water at the bottom stream is 398.75 kg/hr. Calculate the unknown streams P Yw. YB- 0.7 YT Xw- 0.45 Xg= 0.35 Xr- 0.20 Mw MB = 0.19 MT a. 926.5 kg/h O b. 687.5 kg/h О с. 505 kg/h O d. 408.5 kg/h
6. A 3.0 g piece of brain from a victim of fatal motor vehicle crash was cut into small pieces and transferred to a headspace vial. A 20-μL aliquot of an aqueous solution of ethanol having a concentration of 1.10 mg/mL was used as an external vapor standard. It contained 12.14 ug of ethanol. Equilibration of both the sample and standard solution was carried out at 60oC for 20 minutes. The analytical results were as follows: Sample Calibration Standard A1 = 167,900 Astd = 72,550 1 – e-q = 0.4826 1 – e-q = 0.3785 Calculate the amount of ethanol in the victim’s brain.
A liquid mixture containing 40.0% benzene (B) and 60% toluene (T) by mass to the distillation column. The upper product stream contains 90 mol% B, and the lower product stream contains 6% of the benzene fed into the column (meaning that 94% of the benzene is left with the upper product). The volumetric flow rate of the feed is 2500 1/ hr and the specific gravity of .the feed mixture is 0.870 A- Rate of mass accumulation B- Component balance equation . The accumulation terms (d/ dt), can also be diminished to zero by assuming steady state
The proximate analysis (% air dried basis), the ultimate analysis (% d.m.m.f basis) and experimental gross calorific value (kcal/kg on air dried basis) is as follows: Proximate Ultimate analysis C.V. analysis % % Kcal/kg M VM А FC C HONS (exp. Value) 29 16 53 86 6 5 217200 Calculate its gross calorific value and net calorific value using (i) Goutal & (ii) Mazumdar correlations.
J kg/hr of a mixture of benzene (B), Toluene (T) and Water (W) was fed to a distillation column as shown below. The mass flow rate of benzene in the top stream is 220 kg B/hr. The operation is at steady state. The mass flow rate of water at the bottom stream is 398.75 kg/hr. Calculate the unknown streams J Yв- 0.7 YT Xw= 0.45 XB= 0.35 Xr= 0.20 Mw Ma - 0.19 MT Оа. O a. 687.5 kg/h O b. 1001.79 kg/h O c. 888.23 kg/hr O d. 1298.66 kg/h