“Pumped” recycle vapor

Abatement of hydrolyzable cations in crude oil

Acid-containing activated carbon for adsorbing mercury from liqu

Acidic petroleum oil treatment

Addition of water to emulsions to accelerate coalescence

Additive enhanced solvent deasphalting process (law759)

Adsorbent processing to reduce basestock foaming

Adsorbents for denitrogenation desulfurization of...

Adsorbents for sulfur removal

Adsorption of vanadium compounds from fuel oil and...

Adsorption process for producing ultra low hydrocarbon streams

Adsorptive demetalation of heavy petroleum residua

Alkali recycle process for recovery of heavy oils and bitumens

Alkylation process for desulfurization of gasoline

Ammonium chloride deposit retardation in hydrocarbon streams by

Apparatus and method for reclaiming useful oil products from was

Apparatus and method for reclaiming waste oil for use as...

Apparatus and process for prewashing a hydrocarbon stream...

Aromatic solvents having aliphatic properties and methods of pre

Arsenic removal catalyst and method for making same