Formation, extraction and separation

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Presentation transcript:

Formation, extraction and separation Module 4 – Chemistry in action Crude oil Formation, extraction and separation

How did crude oil form? Fossil fuel Dead animals and plants No Oxygen High temperature High pressure Millions of years…… Oil and Natural gas

1 3 Alkanes 2 8

Hydrocarbons – the Alkanes C2H6 H H H C C H H H Ethane

Fraction Boiling range (oC) Number of carbon atoms Uses LPG – liquid petroleum gas below 25 1-4 Petrol 25-70 5-9 Naphtha 70-180 8-10 Kerosene (Paraffin) 180-240 10-16 Diesel 240-250 15-20 Lubricating oil 250—350 20-30 Heavy oils 350 30-40 Bitumen 50 and above

Summary questions What conditions are needed for the formation of crude oil? What is the name of the compounds found in crude oil? How are the compounds separated? Which physical property does the separation process rely on? How many bonds does a carbon atom need? How many bonds does a hydrogen atom need?