contact filtration

contact filtration

[′kän‚takt fil′trā·shən]
(chemical engineering)
A process in which finely divided adsorbent clay is mixed with oil to remove color bodies and to improve the oil's stability.
References in periodicals archive ?
The activation stage with denitrification and two horizontal-flow sedimentation tank is operated to further elimination of nitrogen and following an existing contact filtration (Fa.
This project will install Upward Biological Contact Filtration (U-BCF) and related equipment at the An Duong water treatment plant in Hai Phong City, the third most populous city in Vietnam, with the objective of improving the capacity to treat water.
Are planned following construction - Establishment of a contact filtration with a filter area (net) of approximately 1900 m to comply with future regulatory monitoring values, including aggregation pools for a possible dosing of powdered activated carbon (PAC) for trace gas removal.