No need for replacement once loaded Environmentally acceptable 2. Biological Treatment of Hazardous Wastes . Petroleum Hydrocarbon Degradation. Gasoline, fuel oils, and diesel fuels . Mixtures of 100 different compounds.
Normal alkanes predominate.
Heavy gas oils and light lubricating oils. Asphalts - Polycyclic compounds. Aliphatic hydrocarbons are easier to degrade than aromatic compounds. Straight chain aliphatics are easier to degrade than branched chain hydrocarbons. Saturated hydrocarbons are easier to degrade than unsaturated hydrocarbons.