In petrochemistry, petroleum geology and organic chemistry, cracking is the process whereby complex organic molecules such as kerogens or long-chain hydrocarbons are broken down into simpler molecules
Refinery using the Shukhov cracking process, Baku, Soviet Union, 1934
An oil refinery or petroleum refinery is an industrial process plant where petroleum is transformed and refined into products such as gasoline, diesel fuel, asphalt base, fuel oils, heating oil, keros
Cracking (chemistry)
…thermal cracking process which operated at 750–860 °F (400–460 °C) and was known as the Dubbs process. The Dubbs process was used extensively by many refineries until the early 1940s when catalytic cracking came into use. Steam cracking is a petrochemical process in which saturated hydrocarbons are broken down…
Anacortes Refinery, on the north end of March Point southeast of Anacortes, Washington, United States
Grangemouth Refinery, in Scotland
Jamnagar Refinery, the world's largest oil refinery, in Gujarat, India
Oil refinery in Brod, Republika Srpska