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Crude Oil CompositionPetroleum Terms• Paraffins• Naphthenes• Aromatics• Asphaltics

Organic Terms• Alkanes• Cycloalkanes• Aromatic

hydrocarbons

• Composed mainly of polyaromatic carbon rings

• Also contain O, N, or S heteroatoms• mw ranges between 400 – 1500

g/mol• Trace amounts heavy metals V and

Ni

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Fractional Distillation of oil

(The tar used in road surfacing/roofing)

Petroleum Product Groups• Light Distillates

– 3-12 carbons– Propane (gas at RT)– Butane– Octane

• Middle Distillates– Kerosene (6-16 carbons)– Diesel fuel (8-21 carbons)

• Heavy Distillates– Fuel oils– Paraffin waxes (>30 carbons)– Asphault / tar

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Lignin

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EndocellulaseLatest research suggests carbohydrate binding molecule (CBM) is the key