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6.1.Introduction
Unit 6 : Oil pollution
6.1.Oil Pollution (Petroleum Hydrocarbons)
Crude oil is a complex mixture hydrocarbons with 4-26 or more carbon atoms in the molecule. Crude oil is extracted usually from the upper strata of the earth. Non-hydrocarbons such as sulphurs, nitrogen, oxygen and vanadium may represent upto 25% of the oil.
Classification:
- Based on the Chemical Structure:
- Aliphatic compounds
- Aromatic compounds
- Based on Uses:
- Fuel
- Lubricants
- Coatings
- Solvents
- Hydraulic fuels
- Cutting and rolling fluids
- Lighter than water
- Immiscible with water
- Highly flammable
- Spreads on water forming slicks
- Generally liquid at room temperature.
Last modified: Monday, 13 June 2011, 10:10 AM