Petroleum

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Petroleum

• Lenka Kaparová
• Lenka Krpatová

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Petroleum

• Thick dark brown or greenish liquid
• Its name comes from Latin petr rock and oleum
  oil
• Sometimes we called it black gold
• Petrol exists in the upper strata of some areas
  of the Earths crust

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Origin of petrol

• Its formed from decayded prehistoric animals and
  plants
• Over many centuries this organic matter, mixed
  with mud, is burried under thick sedimentary
  layers of material.

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Composition

• Petroleum consists of hydrocarbons
• Non-hyrocarbon fractions which might also
  include sulphur (till 4), nitrogen (till 1),
  oxygen (till 1)
• Traces of metals vanadium, nickel,.
• Mineral additions water, sand, salts  

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Treatment of petroleum I

• Petroleum is processed by atmospheric pressure
  distillation
• Gasseous products methan, ethan, propan, butan
• Petrol ether (solvent, engine fuel)
• Light and heavy petrol (automobile fuel)

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Treatment of petroleum II

• Kerosene (jet engine fuel)
• Gasoil (diesel fuel)
• Lubrication oil (engine oil)
• Remaining fractions(tar, asphalt, synthetic
  rubber, colours)

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Environmentals effects

• Burning oil releases carbon dioxide into the
  atmosphere, which contributes to global warming.
• Renewable energy source alternatives do exist,
  although the degree to which they can replace
  petroleum and the possible environmental damage
  they may cause are uncertain and controversial.

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Thank you for your attention.