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The process of physical absorption
The simple physical absorption process usually follows the Nernst distribution law:
"At constant pressure and temperature, the ratio of solute concentration in the two insoluble solvents is constant."
(X concentration in A): (X concentration in B) = K = const
K: distribution coefficient (constant), dependent on pressure, temperature, nature of solvent and solute, regardless of the relative amount of the two solvents.
Chemical absorption process
Absorption in chemistry is a physical or chemical phenomenon in which molecules, atoms or ions are diffused and pass through the interface into all liquid or solid objects. Different from the adsorption process, the molecules only stick on the p.. |