Substance that speeds up by their presence the rate of desired chemical reactions. Refining processes involve the use of a number solid catalysts in the form of powder, beads or extrudates


Catalytic Cracking

Widely used process for cracking heavy cits (see F.C.C) by the use of a catalytic agent.


Claus Process

Process for producing sulfur by conversion of H2S, performed in a Claus unit.


Clean Fuels

Treated fuels producing less pollution.


Coal Liquefaction (coal hydrogenation)

The conversion of coal into liquid hydrocarbons and related compounds by hydrogenation at elevated temperatures and pressures.