What types of units are generally included in a refinery?
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======= What types of units are generally included in a refinery? =======
What kind of oil do you process? It generally includes atmospheric and vacuum distillation, catalysis, gas separation, reforming, and hydrogenation. If the oil you process is heavy, proceed with coking or residue hydrogenation. If you want to use isobutylene, use MTBE. To increase the octane rating of petroleum products, both gasoline hydrogenation and diesel hydrogenation are necessary. The hydrocracking process is flexible and can produce heavy naphtha, which serves as a feedstock for reforming; if aromatics are to be obtained, extraction is also required ； To provide a raw material for ethylene, the tail oil option can be chosen. Lacking hydrogen, a hydrogen production device is also needed ； If there is a hydrogen-rich gas, it can be purified using a PSA unit.