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which suits oxalic acid in charcoal better , Langmuir isotherm or Freundlich Isotherm and why

which suits oxalic acid in charcoal better , Langmuir isotherm or Freundlich Isotherm and why
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Answer #1

The adsorption of oxalic acid in charcoal is a verification of Langmuir Adsorption Isotherm.

Adsorption is a phenomena in which particles gets attached to the surface of solids . The greater the surface given by a solid, if it is avoidally dispersed and hence colloids passes the adsorption properties.

In this adsorption process, the adsorption happening is Langmuir adsorption isotherm. this adsorption depends on specific area of the solid,the equilibrium solute concentration in solution is lower of gaseous adsorption , the nature of the adsorbate and temperature. The equation can be represented as:

   x=( K1K2C)/(1+K1C)

x= mass of solute

m=mass of adsorbent

K1K2 = constant

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