What is oil refinery?

Basically, refinery is a system for processing the crude or feedstock to produces more precious fuel like kerosene, diesel, petrol and etc. The production is basically vary in different refinery and cracking unit will play the major role in it. A lot of factory can process oil, but without a cracking unit, its basically not a refinery. Cracking section is the heart and soul of a factory

An oil refinery or petroleum refinery is an industrial process plant wherecrude oil is processed and refined into more useful products such aspetroleum naphtha, gasoline, diesel fuel, asphalt base, heating oil, keroseneand liquefied petroleum gas.

there is a plant or industrial plant a crude substance such as petroleum or diesel base its up base of demand

oil refinery is a factory that located between oil and gas unit as upstreem and petrochemical complex as downstreem cycle to use or change product in crude oil cycle with furnaces,columns,vessles,reactos and other equipments  

ITS CONVERT CRUDE OIL AND KEROGEN TO VALUABLE PRODUCTS LIKE GASOLINE DIESEL WITH THE HELP OF DIFFERENT OPERATIONS..
(ADU, VDU, CRACKING, REFORMING)