Closed-loop vacuum fractionation process

Conditioning of carbonaceous material prior to physical benefici

Continuous liquid extraction process with periodic flow of the d

Control method for solvent refining lubricating oils

Control method for solvent refining lubricating oils

Control of an aromatic extraction

Corrosion inhibition in aromatic liquid extraction

Distillative recovery of aromatics with water addition in azeotr

Dual solvent refining process

Extraction of aromatics from hydrocarbon oil using...

Extraction of aromatics with ethyl acetoacetate

Extraction of aromatics with N-cyclohexyl-2-pyrrolidone

Extraction of hydrocarbon oils using a combination polar extract

Extractive distillation process for recovering aromatics...

Extractive distillation processes using water-soluble...

Extractive separation process

Fluid contacting process

ITFM extraction of oil seeds

Liquid/liquid extraction using certain ethers and esters

Lube extraction with NMP/phenol/water mixtures