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− | + | <center><h3>Applied Design</h3> | |
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− | + | <h6>Contamination of aquatic and terrestrial environments with crude oils (or petroleum) represents a serious problem worldwide that results in both immediate and long-term environmental damages with toxicity to plants and/or soil invertebrates, as well as risks to humans and wildlife. Crude oils, while made of complex mixtures of thousands of types of molecular compounds, are predominantly composed of hydrocarbons including linear alkanes and aromatic hydrocarbons based on a 6-carbon ring account for approximately 80% of the total petroleum hydrocarbons in crude oils. Aromatic carbons such as polycyclic aromatic hydrocarbons (PAHs) like fluorene and phenanthrene are the molecular compounds in oil that are the most toxic as they can be quite persistent in the environment due to their intrinsic stability provided by the aromatic ring. | |
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Revision as of 05:29, 29 October 2017