Method and apparatus for upgrading bituminous material

Method and apparatus for wax deoiling

Method and apparatus for withdrawal of small catalyst particles

Method and appratus for extracting tar sand

Method and arrangement of apparatus for cracking high boiling hy

Method and arrangement of apparatus for hydrogenating hydrocarbo

Method and catalyst for opening naphthenic rings of...

Method and catalyst for removing contaminants from hydrocarbonac

Method and catalyst for removing mercaptans and mercaptide compo

Method and catalysts for the elimination of sulphur...

Method and catalysts for the elimination of sulphur...

Method and composition for neutralizing acidic components in pet

Method and composition for retarding coke formation during pyrol

Method and device for catalytic cracking comprising in...

Method and device for catalytic cracking comprising reactors...

Method and device for descending catalytic cracking by injecting

Method and device for steam cracking comprising the...

Method and installation for steam cracking hydrocarbons

Method and means for charging foamed residual oils in contact wi

Method and means for preparing and dispersing atomed hydrocarbon