adsorption and absorption. physical or chemical phenomenon

adsorption absorption adhesion physical chemical phenomenon process atom molecule particles ion enter liquid solid material gas dissolved surface difference bulk adsorbate absorbate adsorbent absorbent physisorption chemisorption sorption isotherms area porous activated carbon molecular interaction concentration gradient kinetics equilibrium thermodynamics heat diffusion langmuir isotherm equipment chemistry vector industry industrial storage exhaust tank water exceptional engineering physics science technology reliability red blue