fractional distillation of natural petroleum

It is the most important of the fossil fuels. Petroleum occurs under the Earth's crust. It is believed to have formed due to the bacterial action of decomposition on marine animals and prehistoric forests inside the Earth, under conditions of high temperature and pressure. Petroleu..

Separation of petroleum into simpler fractions after the removal of unwanted material..

The fermented liquor contains 9-10% of ethanol and is called wash or wort. It is distilled in a Coffey still (Distillation of wash in a Coffey still) to remove water and other impurities present in wash . The Coffey still consists of two tall fractionating column..

Preparation can be represented as follows: Synthetic petroleum is also a mixture of several alkanes. It is fractionally distilled to obtain petrol, diesel etc. Heavy oil, a fraction of petroleum that is inexpensive is the solvent us..

Fractional distillation is employed to separate two or more liquids that are miscible. The boiling points of these liquids should be fairly far apart. When distilled, the liquid with the lower boiling point distils over first, and is collected. It is the firs..

This liquid air contains two main substances, nitrogen and oxygen in liquid forms whose boiling points are -196 o C and -183 o C respectively. So when this liquid air is allowed to warm up, nitrogen with low boiling point boils over first and is separated. What remains behind is liquid oxygen, whi..

It is believed that coal in nature was formed from the remains of the trees buried inside the earth some 500 million years ago. Due to the bacterial and chemical action on the wood, it got converted into peat. Then, as a result of high temperature and high pressure inside the earth peat ..

In the partial separation of heavy water from ordinary water, advantage is taken of the small difference in the boiling points of protium oxide (373.2 K) and deuterium oxide (374.3 K). Since the difference in boiling points is very small, a long fractionating column (about 13m) is used f..

Petroleum occurs in nature, trapped between two layers of impervious (non-porous) rocks, usually under the sea. Natural gas collects above the surface of petroleum..

Fossil fuels, like, coal, lignite, petroleum and natural gas are non renewable natural resource..