Method of scavenging hydrogen sulfide from hydrocarbons

Method of separating a hot hydrocarbonaceous stream

Method of treating a hydrocarbon chargestock

Method of treating a sour petroleum distillate

Method of treating a sour petroleum distillate

Method of treating crude oil with an amine oxide compound

Method of treating polychlorinated aromatic compound

Method of treating sour gas and liquid hydrocarbon

Method of treating sour gas and liquid hydrocarbon

Method of treating toxic aromatic halogen-containing compounds b

Method of treating waste engine oils

Method to remove metals from residuals

Methods and compositions for desulfurization of hydrocarbon...

Methods and systems for removing vanadium from low-grade fuels

Methods for reducing sulfur and carbon in petroleum refining...

Methods for reducing the concentration of amines in process and

Methods for removing iron from crude oil in a two-stage desaltin

Methods for removing organolead compounds from non-aqueous...

Methods for removing particulate solids and water from petroleum

Methods of extracting iron species from liquid hydrocarbons