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| Title
| - Inclusion of Persistent OrganicPollutants in HumificationProcesses: Direct ChemicalIncorporation of Phenanthrene viaOxidative Coupling
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| - The participation of phenanthrene in phenol-couplingreactions mediated by horseradish peroxidase wasinvestigated. Aqueous-phase concentrations of phenanthrenewere observed to decrease dramatically with phenol asa result of the formation of precipitated products, suggestinga potential means for simultaneous treatment of phenoliccontaminants and polycyclic aromatic hydrocarbons(PAHs) using peroxidase-mediated oxidative couplingprocesses. The studies reveal that phenanthrene removalfrom the aqueous phase occurs by a combination ofsorption by and chemical bonding to precipitated reactionproducts. In that the oxidative coupling reactions ofphenolics comprise an important step in the initiation ofhumification processes, the results obtained provide insightsto potential roles that natural humification may play inthe sorption, sequestration, and environmental fate of PAHsand other organic xenobiotics of similar nature.
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