contact adsorption

contact adsorption

[′kän‚takt ad′sȯrp·shən]
(chemical engineering)
Process for removal of minor constituents from fluids by stirring in direct contact with powdered or granulated adsorbents, or by passing the fluid through fixed-position adsorbent beds (activated carbon or ion-exchange resin); used to decolorize petroleum lubricating oils and to remove solvent vapors from air.