The clay mineral can be use as catalyst for various industrial applications. It can be use in as catalyst for thermal cracking of oil. It can be use in both condition like as powder or free flowing granules. Catalyst are using for fluid flow method and granules are using by air rift method. Clay mineral play important part in petroleum processing also in the clay and powder, granules form are using world wide as catalyst. The fiber like structure of clay often using as absorption medium for various chemical industries.