Oil refining is a technology

Oil refining is a technology distilled crude oil or other to change the molecular structure, also is that pyrolyze the crude oil and others to kerosene, gasoline, diesel oil, heavy oil and fuel which meet the using standards of combustion engines.

Refinery technology

The technology to refining oil can be sorted atmospheric distillation and vacuum distillation, catalytic cracking, catalytic reforming, hydrocracking, delayed coking, refinery gas processing etc.