Lubricating oil refining process

Manufacture of refrigeration oils

Membrane separation process

Method and apparatus for continuous separation and reaction...

Method for recombining catalytic hydrocarbons

Method for separating normally liquid organic compounds

Method for the production of an aromate concentrate suitable for

Method for the separation of aromates from hydrocarbon mixtures

Method of separating an aromatic from a hydrocarbon mixture

Method of separating petroleum-containing material into...

Methods for separating hydrocarbons by liquid extraction

Morpholinones as selective solvents for aromatic hydrocarbons

Operation of continuous extraction process

Process and apparatus for solvent extraction of oil from oil-con

Process for aromatics extraction from a 300.degree.-430.degree.

Process for extracting fixed and mineral oils

Process for improving and recuperating waste, heavy and...

Process for mitigating acids in a system for separating...

Process for recovering highly pure aromatics from a mixture of a

Process for reducing corrosion in a system for separating aromat