| geetrue |
03-23-08 09:17 PM |
Quote:
Originally Posted by bradclark1
But isn't that loss through the refinery process and not actually it took six times more oil or anything ie: 1 gallon of oil makes one pint of gas, where 1 gallon of oil makes 2 or 3 quarts of diesel? Just guessing here.
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Perhaps you are right ...
Quote:
Crude oil is heated and put into a still -- a distillation column -- and different products boil off and can be recovered at different temperatures. The lighter products -- liquid petroleum gases (LPG), naphtha, and so-called "straight run" gasoline -- are recovered at the lowest temperatures. Middle distillates -- jet fuel, kerosene, distillates (such as home heating oil and diesel fuel) -- come next. Finally, the heaviest products (residuum or residual fuel oil) are recovered, sometimes at temperatures over 1000 degrees F. The simplest refineries stop at this point.
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Must be closer than what I thought ... all I can find on google is that it takes a higher temperature to break down avaition fuel and bulk oil to diesel.
Plus they have to go through an extra cycle than gasoline, depending on where it comes from. Texas sweet crude is the best they say. |
