How Oil is Refined

When we drill for oil, it comes out in a thick stickythat we can extract from the distillation column.
form called crude oil. Crude oil has its uses, butFrom the bottom, the hottest part of the
we use oil for so many different things that wedistillation column, we get the thick residual
need to refine it to get it into the usable formsproducts that come from heating crude oil to the
that we need. We make plastics, gasoline andmaximum distillation temperature. This is where
even carpet fibers out of oil and the process ofwe get asphalt, tar, and other thick sticky solid oil
refining it can be quite complex.products.
Crude oil is made of many different types ofJust above the residual products, we can get
hydrocarbons. Each type of hydrocarbon can beheavy oil. We mainly use heavy oil to make other
used to produce different products. The problemproducts. It is in a liquid form, but very thick.
is that they are all mixed up into a thick stickyHeavy oil is also known as fuel oil because of the
substance. To use it, we have to separate thefuels that we make from it.
hydrocarbons into different substances. OilUp a little higher in the distillation chamber we can
refineries use the basic principal of heating toget lubricating oils. These thick, but liquid, oils are
separate crude oil into the different states that itused to make motor oil, grease and other thick
needs to be in for us to use it effectively.lubricants used in heavy machinery and our
This boiling process is called distillation. Basically,vehicles. Lubricating oils are retrieved at about
when you boil oil to one certain temperature, youtwo hundred and fifty degrees Celsius.
get gasoline. Heat it up more and you getGoing up the chamber, the products get thinner
lubricating oil and so on. Crude oil is heated by aand thinner until we eventually get only gasses at
boiler and the products are pumped into athe top. We get diesel, kerosene and gasoline
distillation column. The bottom of the column,from the distillation process. The thinnest form is
which is basically a metal cylindrical container, ispetroleum gas. We collect petroleum gas at the
heated to six hundred degrees Celsius. As thelowest temperature of around twenty degrees
products fill the column, they become cooler andCelsius from the top of the chamber. Oil
cooler as they reach the top. The top of thecompanies like Triple Diamond Energy work hard
column is kept at about twenty degrees Celsius.every day of the year to bring us all of these
Pipes collect the different products at differentproducts from the distilleries to accommodate our
temperatures all the way up the container.modern lives.
There are many different types of gas and oil