Solvent extraction is a method for separating mixtures by exploiting differences in the solubilities of the components. For example, a coffee machine extracts the soluble components of ground coffee w [..]

Process used to selectively extract substances from an aqueous medium in an organic solvent which cannot be blended with the medium. The process of solvent extraction is applied in the PUREX process f [..]

A refining process used to separate components (unsaturated hydrocarbons) from lube distillates in order to improve the oil’s oxidation stability, viscosity index, and response to additives. The oil a [..]

A traditional refinery process that is used to upgrade chemical and physical properties in the manufacture of lube oil base stocks. The process relies on the solubility of impurities (especially aromatic components that may also contain sulphur and nitrogen) in an extractive solvent, usually furfural or phenol. The by-product of this process is hig [..]

The process of dissolving and separating out particular constituents of a liquid by treatment with solvents specific for those constituents. Extraction may be liquid-solid or liquid-liquid.

A method to separate compounds based on their relative solubilities in two different immiscible liquids, usually water and an organic solvent.

A means of separating hazardous contaminants from soils, sludges and sediment, thereby reducing the volume of the hazardous waste that must be treated. It generally is used as one in a series of unit operations. An organic chemical is used to dissolve contaminants as opposed to water-based compounds, which usually are used in soil washing.

(chemistry) The separation of the components of a solution by partitioning between immiscible liquids