Derive the differential equation that describes the desorption in a plug flow basin (Hint: write a mass balance equation for an elemental volume ΔV). Then, integrate the differential equation with the proper boundary conditions to obtain mole fraction equation for plug flow basin in the lecture notes

Q: 3. An evaporator is concentrating solutions from the two different sources. The solution from the…

A:

Q: Q2// A tube of 1 cm inside diameter and 20 cm long is filled with N2(A) and CO (B) gases at a total…

A: Step1     given data:-    →tube inside diameter =1cm    →length of tube=20cm    →Total pressure…

Q: 7 evaporators are connected in series, i.e., the concentrated product of the first one is fed to the…

A: Introduction   Chemical engineers refer to a multiple-effect evaporator as a device for effectively…

Q: Determination of mass transfer coefficient by relating mass transfer coefficients and diffusion…

A: Mass transfer coefficient of oxygen at 200C = 0.0045 m/s Diffusivity of benzene at 20 0C = 1.02×10–9…

Q: Question: Calculate the osmotic pressure of 5% solution of urea 100 ml at 273 K.

A: Given thatVolume ,V  = 100 ml T = 273 k 5 % solution of urea

Q: PROBLEM 2 1000 kg/h of seawater containing 3.50% salt passes through a series of four evaporators.…

A:

Q: The equilibrium concentration of barium ion in a saturated barium phosphate solution is  M.

A: Barium phosphate Ba3(PO4)2 is an ionic compound. The dissociation of Barium phosphate in water is as…

Q: 2. The process given in the figure is used to increase the concentration of CaCl, solution. Fresh…

A: Given: The flow rate of B in the product stream is B = 100 kg/h From the figure given, we have,…

Q: 11.25 In a process producing KNO; salt, 1000 kg/h of a feed solution containing 10% KNO, is fed to…

A: Given: F = 1000 kg/h ; xF = 0.1 ; xE = 0.5 ; xC = 0.95 ; xR = 0.35 ;C= 0

Q: Calculate the volume of aqueous solution (density = 980 g/L) produced after treating 100 moles of…

A:

Q: We are able to look at the stagnant liquid film around a bubble rising through a bioreactor. The…

A: Given Diffusivity of oxygen in water  DAB = 0.00002 cm2/s Thickness of laminal layer = 0.004 cm…

Q: diffusion

A: Diffusion in solids occurs through the mechanism of interstitial diffusion or vacancy diffusion.…

Q: The device for measuring the diffusion coefficient of vapor–gas mixtures is shown in the bellow…

A: Given that :Z =200 mm = 0.2 mP=0.4 atm = 0.4 x101325 =40530 PaP1  = 0.1  bar =10000 Pa  = 0.0987 atm…

Q: When a gas is dissolved into a liquid at a steady temperature, the proportion of the gas's…

A: The Henry's law constant (H) is the ratio of a gas's concentration in the solution phase to its…

Q: For counter-current absorption in a packed column, it was found that the liquid and the gas…

A:

Q: Soybean oil will be obtained by extracting soybean seeds with pure hexane. The composition of mushy…

A: Note: SInce we are entitled to answer only 3 sub-parts, we'll answer the first three. Please…

Q: Write a balance ionic equation to represent the oxidation of 1odide (1') by permanganate ion (MnO4')…

A: Reaction is oxidation of iodide (I-) by permanganate ion in basic solution to yield molecular iodine…

Q: irreversible homogeneous reaction

A:

Q: Mixing of Acid. Spent Acid from a stripping column contains 239 by mass. This stream is to be…

A:

Q: Estimation of a Gas Diffusivity.Estimate the diffusion coefficient for oxygen (A)/benzene (B) at…

A: The diffusion coefficient for the given oxygen-benzene mixture is to be calculated.

Q: An evaporator is concentrating solutions coming from three different sources. The first source…

A:

Q: Consider the environmental accident in Hungary involving waste (‘red mud’) from aluminum…

A: To 1. write reaction equations for the processes that describe processing of Bauxite in Bayer…

Q: In order to obtain barium in a form that may be put into solution, the natural barytes, containing…

A: Balance reaction BaSO4 + Na2CO3 = BaCO3 + Na2SO4 Formula weighs BaSO4 − 233.36 g/mol BaCO3 − 197.3…

Q: Solute S has a distribution constant of 4.1 between water (phase 1) and hexane (phase 2). A 82.0 ml…

A: Given: Between water and hexane solute has Distribution constant k=4.1 Volume of water phase V1= 82…

Q: We desire to produce two ethyl alcohol-water mixtures each containing 90% and 50% alcohol by mole…

A:

Q: the film created in each phase. The molar and volumetric flow rates of the air at the inlet are 5.5…

A:

Q: that is exposed to air. An open tank, 12 ft in diameter, contains methyl tert-buytl-ether (MTBE).…

A: The expression for unimolar counterdiffusion under bulk flow isNB=C DB(yB1)∆z(1-yB)LMMolar…

Q: How much water (in kg) must be evaporated in the evaporator per kg of product? Sodium hydroxide is…

A: After dissolver=30 % solution Product: 50% NaOH7% NaCl43% H2O

Q: Sugar juice, an intermediate in sugar production, fed at 10,000 lb/h at 40% concentration at an…

A: Given  Feed flow rate=10000lbh Concentration in =0.4

Q: The diffusion coefficient, D  (m2/s) of Zn in Cu at 500 oC

A: Given that  T = 500 C = 500 +273.15 =773.15 k we have to find diffusion coefficient ,D of Zn in cu…

Q: A tank containing pure water. A saline solution containing 2 Ib/gal salt is put into the tank at a…

A:

Q: One way of purifying gaseous H₂ is to pass it under high pressure through the holes of a metal’s…

A: Palladium is used for absorbing H2 under high pressure. Density of absorbed H2 approaches density of…

Q: 60% NaOH is to be concentrated in a triple effect evaporator to 15% NaOH. If equal amount of water…

A: The tripple effect evaporator system has been shown in figure The feed rate is F=100 kg/hr (Taking…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Given compounds are CH3OH, MgSO4 and CuI2 Each compound is dissolved in a liter f water. We are…

Q: adhere to or fill-in

A: Adsorption is the solid-liquid operation. In adsorption, the fluid component is settled on the…

Q: In this equation molar mass of given solute can be determined from the slope of the II vs c; plot.…

A: Write the equation as follows: ΠcB = RTMA+bRTMAcB    ......1

Q: You are using a calibration curve of absorbance vs. concentration to determine the concentration of…

A: The Beer-Lambert Law states that the concentration of the solution is directly proportional to the…

Q: An evaporator is concentrating solutions coming from two different sources. The solution from the…

A: Given F1=59kg/min F2=80kg/min First source = 10% NaCl and 10% NaOH Second source = 8% NaCl and 12%…

Q: Consider the case in which liquid A evaporates and diffuses through stagnant gas B. The process is…

A:

Q: If the concentration of hydrogen ion is 10 mole per liter then the pH of the solution is -(1, 10,…

A:

Q: A viscous liquid sweetener contains 80% (w/w) aqueous solution of sugar (90% glucose, 10% sucrose).…

A: Take the basis for the calculation as 100 g of the solution. Mass of water in the solution, mW =…

Q: At 20°C the mean square displacement of the molecule of compound A in water is 1.43x106 cm².…

A: Given : Temperature Mean square displacement The viscosity of water at The viscosity of water at

Q: 1. 100 grams of Sulphuric acid (H2S04) are dissolved in water to prepare one liter of solution. Find…

A:

Q: 60% NaOH is to be concentrated in a triple effect evaporator to 15% NaOH. If equal amount of water…

A: Given  60%NaOH is concentrated in a triple effect evaporator to 15 %NaOH And equal amount of water…