Preparation of components for refinery blending of...

Preparation of components for refinery blending of...

Preparation of components for transportation fuels

Preparation of titanium-zirconium-vanadium mixed oxides and its

Procedure for the fixed-bed sweetening of petroleum fractions

Procedure for the reprocessing of used lubricating oils

Process and an apparatus for preparation of petroleum...

Process and apparatus employing a plurality of catalytic...

Process and apparatus for hydrodesulfurization of diesel gas...

Process and apparatus for oil decontamination

Process and apparatus for recovering heavy metal from carbonaceo

Process and apparatus for removing sulfur from hydrocarbons

Process and apparatus for the treatment of waste oils

Process and apparatus for treating heavy oil with...

Process and apparatus for treating heavy oil with...

Process and capture masses for eliminating mercury and arsenic f

Process and catalyst for upgrading liquid hydrocarbons

Process and catalysts for eliminating sulphur compounds from...

Process and catalysts for upgrading of hydrocarbons boiling...

Process and plant for purifying spent oil