分类： 其他平台
2014-11-19 11:26:29
crude oil refinery, oil refiner, oil refining companies
Why crude oil refinery occurs, that is the disadvantages of the crude oil that you could not imagine.
Why occurs, let’s check out the crude！Crude oils are composed of a great variety of hydrocarbons (Hydrocarbons). Hydrocarbons (HC) with one to four carbon atoms (methane –butane) are gaseous at room temperature, hydro-carbons with more carbon atoms are liquid at room temperature(pentane,hexane,etc.). So the occurs.
Hydro-carbons with more than seventeen carbon atoms per molecule are solid at room temperature as pure compounds, but these are usually dissolved in the liquid portion of the crude oil.Three types of molecular structures are possible for hydrocarbons, i.e., straight-chain,branched-chain, and ring structures. Three possible structures of hexane are given as an example. The higher and more complex hydrocarbon molecules consist of various combinations of these structures. are increasing.
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