Hydrocrackingnoun
(organic chemistry) the production of high-octane petroleum fuel and kerosene by hydrogenating large or complex hydrocarbons and then cracking them.
Hydrocrackingnoun
the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst
Hydrotreatingnoun
(chemistry) A chemical engineering process in which reaction with hydrogen is used to remove impurities, especially as part of oil refining