Production of extra-heavy lube oils from Fischer-Tropsch wax

Production process of indene

Recovery of aromatic hydrocarbons and a non-aromatic raffinate s

Recovery of solvent from a hydrocarbon extract

Recovery of solvent in hydrocarbon processing systems

Refining highly aromatic lube oil stocks

Removal of solvent

Selective extraction solvent recovery using regenerated cellulos

Selective re-extraction of lube extracts to reduce mutagenicity

Separating olefins from paraffins with dimethyl sulfoxide extrac

Separation of aromatic and nonaromatic components in mixed hydro

Separation of aromatic hydrocarbons from petroleum fractions

Separation of fluid mixtures

Separation of olefinic hydrocarbons from sulfur-containing...

Solvent extraction

Solvent extraction of aromatic hydrocarbons

Solvent extraction of aromatic hydrocarbons with ethylene oxide

Solvent extraction of hydrocarbon oils

Solvent extraction of hydrocarbon oils producing an increased yi

Solvent extraction of lubricating oils