Alien Article for Crude Oil

Topics: Petroleum, Carbon, Gasoline Pages: 2 (946 words) Published: November 9, 2014
Alien Article for Crude Oil
Crude oil: good or bad? You decide
Recently I have discovered an interesting fuel which humans use. It is a sludgy, black, gloopy liquid like fuel called “crude oil”. They have found it in many of the earth’s oceans and I believe it has come from many dead animals piling on top of each other but didn’t decay properly because of the anaerobic conditions making layers of rock. The heat of the rocks and the increased pressure turned the dead animals into crude oil. I have found out that they put crude oil into a machine and separate using an interesting method called fractional distillation. Fractional distillation of crude oil is where they separate out oil into hydrocarbons with similar boiling points, called fractions. Each hydrocarbon fraction contains molecules with similar numbers of carbon atoms. To my understanding I think each of these fractions boils at a different temperature range. That is because the different sizes of their molecules. One bad thing about crude oil is that it can’t be used in its own form, so the humans diffract it into many other things such as petrol, lubricating oil, naphtha, kerosene etc. At the bottom of the fractional column they use longer chains with more carbon atoms and at the top of the fractional column it has a cooler temperature and the chains are quite short. Hydrocarbons with low boiling points can get all the way to the top before they condense. The crude oil is evaporated and its vapours allow it to condense at different temperatures in the fractional column. My sources have told me that hydrocarbons are chemical compounds composed of only carbon atoms and hydrogen atoms. Each hydrocarbon has a different boiling point. This is handy because they use the different boiling points to separate the hydrocarbons. Its products can be used in many forms such as petrol can be used in vehicles such as cars which helps give the car energy to make it move. It is the fuel in the car engines. Another...
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