Polycyclic aromatic hydrocarbons (PAHs) are organic pollutants found in various ecosystems. They are considered as priority pollutants due to their potential toxicity,mutagenicity and carcinogenicity. PAHs occur as natural constituents and combustion products of crude and refined fossil fuels. In recent decades, the major sources of PAHs pollution are industrial production, vehicular discharge,gasification and plastic waste incineration. Due to their hydrophobic nature, most PAHs bind to particulate in soil,rendering them less available for biological degradation(Cerniglia 1992; Mueller et al. 1996). Microbial metabolism
plays an important role in bioremediation of contaminated sites.
Polycyclic aromatic hydrocarbons (PAHs) are organic pollutants found in various ecosystems. They are considered as priority pollutants due to their potential toxicity,mutagenicity and carcinogenicity. PAHs occur as natural constituents and combustion products of crude and refined fossil fuels. In recent decades, the major sources of PAHs pollution are industrial production, vehicular discharge,gasification and plastic waste incineration. Due to their hydrophobic nature, most PAHs bind to particulate in soil,rendering them less available for biological degradation(Cerniglia 1992; Mueller et al. 1996). Microbial metabolismplays an important role in bioremediation of contaminated sites.
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