- Chapter 1 or cracker
- 2 cracking process and reform
- 3 alkylation
- 4 Treatment
- 5 References
Chapter or cracker
Separation or cracking refers to the distillation process, and be through the crude oil heating in the oven, so that the separation of hydrocarbons consisting of oil within the large towers, also separates the hot fumes of oil by weight boiling point, where floating fractions of light such as gasoline to the top of the tower before condenses again and turn into liquids, while heavy fractions settle at the bottom because it thickens early. 
Cracking and reform process
It is cracking and reform process by stimulating chemical reactions under pressure to change the hydrocarbon chain combination, and is different from the production of finished petroleum products from the refinery to another, but in general the oil refineries design in the United States is the largest to produce as much as possible of gasoline, to the high demand in the transport sector.  usually the reform process containing platinum, so as to convert the oil to fuel high octane, and raw materials for petrochemical, and be the result of the reform process and cracking convert a large part of these materials to Aloazubaravit compounds and aromatics. 
Alkylation process refers to the chemical bonding of light particles with isobutane to form particles larger branched chain, which manufactures gasoline high-octane, are produced olefins such as propylene, and Albiotilin, by crushing the catalytic and thermal, and then mixing the with acid catalyst, is Nbaradahma, RFID olefins with Alokilat , some normal butane and isobutane, propane, and then be neutralized liquid that is produced and separated in a series of distillation columns, and then is recycled isobutane feed, Bhutan, propane, and sold for as liquefied petroleum liquid. 
Treatment is the last stage of the process of separating oil components or refining, and include a combination of manufactured products to produce different levels of octane, and the characteristics of vapor pressure, and the special properties of the products used in harsh environments, exemplified by: elimination of sulfur from diesel, which is necessary to comply with fresh air, and this stage is considered one of the longest stages of oil refining, where you need a high degree of technology. 
- ^ أ ب "refining", www.petroleum.co.uk, Retrieved 2018-3-29. Edited.
- ↑ "The process of crude oil refining", www.e-education.psu.edu, Retrieved 2018-3-29. Edited.
- ↑ "petroleum-refining-process", iloencyclopaedia.org, Retrieved 2018-3-29. Edited.
- ↑ "petroleum-refining-courtesy-of-aip", www.world-petroleum.org, Retrieved 2018-3-29. Edited.
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