Which of the following procedures is used when refining petroleum?

Fractional distillation. The primary process for separating the hydrocarbon components of crude oil is fractional distillation. Crude oil distillers separate crude oil into fractions for subsequent processing in such units as catalytic reformers, cracking units, alkylation units, or cokers.

What are the products obtained on refining petroleum write their main uses?

their products and uses

  • residual oil -a)asphalt- used in making roads and coating underside of electric poles. …
  • fuel oil-used as a fuel in boilers.
  • diesel- used to run generators and heavy machines.
  • kerosene-domestic fuel as well as used in lanterns.

What are 4 products of petroleum?

Petroleum products produces gasoline, (including gasoline-based biofuel blends), diesel (including diesel-based biofuel blends), LPG, aviation fuel and other refinery products (mainly heating oil).

What are the main products obtained from petroleum?

Petroleum product

  • fuels. Gasoline. Diesel fuel. Liquefied Petroleum Gas (LPG) fuel oil. Kerosene.
  • Asphalt (mainly used in asphalt concrete)
  • Paraffin wax.
  • Tar.

What are two conditions needed for cracking?

Thermal cracking uses harsh conditions like high temperature and high pressure. It breaks the alkanes into a high percentage of alkenes and comparatively few alkanes. Thermal cracking is done at about 1,000 degrees Celcius and 70 atm pressure.

Is asphalt derived from petroleum?

Asphalt, black or brown petroleum-like material that has a consistency varying from viscous liquid to glassy solid. It is obtained either as a residue from the distillation of petroleum or from natural deposits. Asphalt consists of compounds of hydrogen and carbon with minor proportions of nitrogen, sulfur, and oxygen.

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What are Class A petroleum products?

i. Class-A Petroleum: Liquids which have flash point below 23oC. ii. Class-B Petroleum: Liquids which have flash point of 23oC and above but below 65oC.

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