CHAPTER 5

Surface Chemistry

CHAPTER AT A GLANCE

Adsorption

Difference Between Absorption and Adsorption

ch05_tbl0.png

Difference Between Physical and Chemical Adsorption

ch05_tbl1.png

Freundlich Adsorption Isotherm

 ch05_eqn44 = kp1/n

ch05_img17.png

where, x = Amount of gas adsorbed, m = Mass of adsorbent,

K and n are adsorption constant,

p = adsorption equilibrium pressure

n depends upon the nature ...

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