Crude oils
- Created by: jaaaz_v
- Created on: 02-06-15 12:36
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- Crude Oil
- What is crude oil...
- A mixture of hydrocarbons
- Hydrocarbons are made up of carbon and hydrogen
- Molecules in crude oil aren't chemically bonded
- All keep their original properties (condensing points)
- So can be separated
- All keep their original properties (condensing points)
- Fractional distillation
- Fractionating column works continuously
- Heated crude oil is piped in at the bottom
- Oil vaporises and is taped off at different fractrions
- Different condensing levels
- Alkanes
- Crude oil hydrocarbons are alkanes
- Chains of carbon atoms surrounded by Hydrogen atoms
- They're saturated
- Make as many bonds as they can
- Cn2n+2
- Trends
- Shorter the molecule the less viscous
- Shorter the molecule the more volatile
- Shorter the molecule the lower the boiling point
- Shorter the molecule the more flammable
- Fuels
- Burn cleanly so make god fuels
- Most things are designed for the use of crude oil
- More reliable than alternative fuels
- Non-renewable
- What is crude oil...
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