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Crude Oil Composition Petroleum 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

Fractional Distillation of oil 4 (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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Endocellulase Latest research suggests carbohydrate binding molecule (CBM) is the key 17