Mass Transfer 2 min read
Counter-current multi-stage absorption (Tray absorber)
In tray absorption tower, multi-stage contact between gas and liquid takes place. In each tray, the liquid is brought into…
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Mass Transfer 1 min read
Design of packed tower based on overall mass transfer coefficient
Operating line AB is drawn in xy plane. Any point (x,y) is taken in operating line. A vertical line is…
Mass Transfer 1 min read
Design of packed tower
The cross sectional view of the packed tower is shown in Figure 4.5. Design of packed tower may be (I)…
Mass Transfer 3 min read
Two-film Resistance Theory
Consider the mass transfer of a solute A from the bulk of a gas phase to the bulk of a…
Mass Transfer 1 min read
INTERPHASE MASS TRANSFER THEORY
The process of mass transfer from the bulk of one phase to the interphse surface and then from the interphase…
Mass Transfer 2 min read
Surface Renewal Theory
For the mass transfer in liquid phase, Danckwert (1951) modified the Higbie’s penetration theory. He stated that a portion of…
Mass Transfer 1 min read
Penetration theory
Most of the industrial processes of mass transfer is unsteady state process. In such cases, the contact time between phases…
Mass Transfer 2 min read
THEORIES OF MASS TRANSFER
Many theories are available to explain the behavior of mass transfer coefficient such as the film, penetration, surface renewal and…
Mass Transfer 2 min read
Mass transfer coefficient in hollow-fiber membrane module
Hollow-fiber membrane modules are extensively used in various membrane separation processes including gas separation, reverse osmosis, filtration and dialysis. In…
Mass Transfer 2 min read
Correlation of mass transfer coefficients for single cylinder
Bedingfield and Drew (1950) studied the sublimation from a solid cylinder into air which is flowing normal to its axis.…
