Determine the liquid molar flow rate, Chemical Engineering

Assignment Help:

A gas stream containing solute A at mole fraction of 0.02 is to be cleaned by absorbing 90% of the solute into a liquid stream in a countercurrent packed bed gas-liquid absorber. The gas enters from the bottom and pure aqueous solvent enters at the top of the packed tower as shown in Figure. The liquid exits the column containing the solute at a mole fraction of 0.008.

The inlet gas flow to the column is 60 kg-mol/hr. It is known that the liquid-side mass transfer coefficient is kx= 5x10-3 kg-mol/m2 s and that the gas-side mass transfer coefficient is ky=1x10-2 kg-mol/m2s. The absorption equilibrium curve, given in Figure.   

a)  Derive the operating line for this system and determine the liquid molar flow rate.   

b)  Determine the individual (gas and liquid) transfer unit heights as well as the overall gas transfer unit height, HOG, in terms of av*.  

c)  Determine the height of the column, z, in terms of aV*.  

d)  Government regulations limit the size of an absorption tower to be between 5 and 15 meters. Determine which of the three packing materials will meet this regulation.

Packing material             aV* (m2/m)
Berl saddles                   1.25
Rasching rings                5.5
Sultzer Wire mesh           25

762_Determine the Liquid Molar Flow Rate.png


Related Discussions:- Determine the liquid molar flow rate

Permeability, Permeability: The rate of diffusion of molten solid liquid a...

Permeability: The rate of diffusion of molten solid liquid and gases through refractories is called permeability. Low permeability is usually more important than low porosity from

Cloud and pour point of lubricant, Q.   Write short notes on cloud and pour...

Q.   Write short notes on cloud and pour point of lubricant. Ans. Cloud and pour point of lubricant: When the temperature is lowered up to a particular point, the oil becomes

Commercial cells, which are the different types of commercial cells?

which are the different types of commercial cells?

Overhanging beam, Why some overhanging beams have point of contra flexure?

Why some overhanging beams have point of contra flexure?

Phenomenon of polarization in dielectric materials, Explain the phenomenon ...

Explain the phenomenon of polarization in dielectric materials. Polarization in Dielectric Materials: If a material contains polar molecules, they will usually be in rando

Project managment softwares, can you suggest all the required softwares for...

can you suggest all the required softwares for project management in chemical engineering in oil and gas sector designing

The total entropy change, The similar system is now heated in two stages, ...

The similar system is now heated in two stages, by rst contacting with a reservoir at T2 halfway among T1 and Tf , then by contacting with the reservoir at Tf . Again and the ent

Dc applications, The most common DC applications are: Electromagnets a...

The most common DC applications are: Electromagnets and yokes • Relays  • Magnetic shields  • Electrical measuring devices  • Magnetic amplifiers

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd