clay refining

clay refining

[′klā rə′fin·iŋ]
(chemical engineering)
A treating process for vaporized gasoline or other light petroleum product; the material is passed through a bed of granular clay, and certain olefins are polymerized to gums and absorbed by the clay.
References in periodicals archive ?
Zisha clay excavated from the mine should be processed through various steps such as weathering, tedding and purification, proportioning, pulverising, staleness and clay refining.
Expression of interest invited for the implementation of revival package and enhancement of production capacity of kaolin plant (china clay refining plant) at the kerala ceramics ltd to 5000 metric ton per month under turnkey basis