From Crude Oil The oil refining process starts with a fractional distillation column. The problem with crude oil is that it contains hundreds of different types of hydrocarbons all mixed together. You have to separate the different types of hydrocarbons to have anything useful. Fortunately there is an easy way to separate things, and this is [...]
Why are the oils of the same label clearly different in color? First, the oil storage system, such as oil tanks or pipes, is polluted and the color will become darker. Second, after the gasoline is oxidized, the color will also become darker. Third, sometimes some artificial additives are used, and some additives are afraid of [...]
The oil refining process starts with a fractional distillation column. The problem with crude oil is that it contains hundreds of different types of hydrocarbons all mixed together. You have to separate the different types of hydrocarbons to have anything useful. Fortunately there is an easy way to separate things, and this is what oil refining is all [...]