Mass Transfer 1 min read
Absorption accompanied by irreversible mth order reactions
According to film model when a gas component is subject to an mth or pseudomth order reaction, the absorption rate…
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Mass Transfer 1 min read
Absorption accompanied by irreversible first-order reaction
The bulk concentration becomes zero when the absorption process is accompanied by a fast irreversible first-order reaction. Then as per…
Mass Transfer 2 min read
Absorption with chemical reaction
Operations in which one or more components of a gas phase are absorbed into a liquid phase are common throughout…
Mass Transfer 1 min read
Continuous contact equipment
The liquid and gas compositions in a packed tower changes continuously throughout the height. The composition of solute from entry…
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…
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…
