Which of the following describes the phenomenon of channeling? frothing in packed absorption columns due to surfactants in the liquid feed liquid flowing down through the plates of a tray tower    none of the choices  liquid running down the walls of a packed absorption column gas feed bypassing the falling liquid in an absorption column

Q: In an open vessel with a diameter of 0.3 m, there is water that evaporates into the atmosphere at…

A: Given = Diameter = 0.3 mT = 350Kx = 1 mmheight = 5 cmPAo = 41.8 kN/m2 (350 K)PT = 101.3 kN/m2DAB =…

Q: Two bulbs are connected by a straight tube, 0.001 m in diameter and 0.15 m in length. Initially the…

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Q: Derive the concentration distribution equations for “diffusion into a falling liquid film?

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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: Ammonia diffuses through Nitrogen gas under equimolal counter diffusion at a total pressure of 1.013…

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Q: During the adsorption process, gas or liquid molecules adhere to or fill-in the capillary snaces of…

A: To state  whether the given statement is true, and otherwise explain based on underlined expression.

Q: A dilute solution of solute A in solvent B is passed through a tubular-membrane separator, where the…

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Q: V Self-diffusion A. Concentration profile v Fick's firts law B. Diffusion flux is linear function of…

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Q: In the mass transport theory, the mass flux j is generally given as, j = -pDVw Show that for a…

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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: chemical engineering   While dissolving a gas into a liquid at a constant temperature, the ratio of…

A: The question is asking about the relationship between the concentration of a gas in the solution…

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: A very large tank is made of FCC iron sheet. Hydrogen is stored inside the tank at 900 ° C. Due to…

A: Given Wall thickness ∆t=5 mm Area A= 5 m2 Time t=90 days Hydrogen concentration on inner…

Q: In the gas ionization chamber, the amount of electrical current depends on the absorbed dose in the…

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Q: A quiescent body of water has a depth of 600 mm. The DO level at the bottom after 16 days is 3.5…

A: The DO of the water body is to be determined.

Q: 4) A packed distillation column is used to separate methanol from water. At an intermediate height…

A: Given = yG = bulk gas phase composition = 0.6 xL = bulk liquid composition = 0.4 KG = 0.1 mol m-2s-1…

Q: Briefly explain internal mass transfer effect on immobilized growth?

A: The effects of internal mass transfer on immobilized growth are to be explained.

Q: A membrane can separate gas mixture because different gases have different permeability through the…

A: The mixture of gases can be separated by separation membrane on the basis of different permeability…

Q: A gas absorption tower of diameter 2 m contains ceramic Raschig rings randomly packed to a height m.…

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Q: Diffusion of oxygen in a laminar-flowing film of water.Estimate the rate of absorption of oxygen at…

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Q: 7. Overall liquid mass transfer coefficient, represent the transfer from a) Equilibrium liquid…

A: It is required to determine which one of the mass transfer from the given options is represented by…

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

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Q: A 4 mm diameter tube, 40 cm long, closed at one end and standing vertically on its closed end, is…

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Q: The diffusion coefficient of glucose in water is 5.14x10^-10 m^2/s at 25C. The viscosity of water at…

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Q: A large tank of water containing 800 ppm salt is connected to a tank distilled water through a…

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Q: The diffusion of a species in a mixture happens because (A None of the choices B there is a reaction…

A: Diffusion is the phenomena of mass transfer between two points by virtue of some driving force which…

Q: adhere to or fill-in

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

Q: Structure of a polymer is the key to control properties for various applications. Briefly describe…

A: The structure of polymer is the key to control the properties for various application. 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: Oxygen gas is most soluble in water under which set of conditions? A. Low temperature, low…

A: Oxygen gas is most soluble in water at high pressure and low temperature       Option C is correct

Q: Consider a mixture containing equal moles of He, O2, and CH4. Determine multicomponent diffusion…

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Q: In an adsorption process, this is the material which adsorbs the contaminants/unwanted materials in…

A: Asked Material which adsorbs the contaminants or unwanted materials in the original solution is…

Q: A sheet of steel 1.9mm thick has nitrogen atmospheres on both sides and is permitted to achieve a…

A: Given that  thickness = 1.9 mm DAB = 7.55 X 10-11 m2/s diffusion flux ,JA =1.5 x 10-7 kg/m2s CA =…

Q: crystal of copper sulfate CusO, SH,0 falls through a large tank of pure water at 20°C. Estimate the…

A: Given information: Let, A be CuSO4 and B be H2O. The thickness of the water film, Δx = 0.0305 mm…

Q: A sheet of steel 1.7mm thick has nitrogen atmospheres on both sides and is permitted to achieve a…

A: Given that DAB= 7.55 X 10-11 m2/sdiffusion flux ,J = 1.5 x 10-7kgm2CA = 5.17 kgm3CB = 2.5 kgm3

Q: Consider a cylindrical vessel with radius 200 mm which contains a settling suspension composed of a…

A: A cylindrical vessel is given with:radius, ,solvent density, ,dynamic viscosity of solvent, ,mean…