Behaviors of polycylic aromatic hydrocarbons (PAHs) in the soil

Abstract

Abstract: Adsorption equilibrium of PAHs in the soil can be reached by two mainly processes, "quick" and "slow". Although PAHs with low molecular may be absorbed by the plant root, and transferred and transformed into other upper part of plant, the main accumulation pathway for PAHs in plant is from the air to the leaf surface. Micro-bial degradation of PAHs by its enzymatic capacity is the main process of the degradation of PAHs in nature. In addition, factors effecting the biodegradation of PAHs are analyzed in details in this review.

Key words: PAHs, Adsorption, Biodegradation

CLC Number:

X171

GAO Xuesheng, JIANG Xia, OU Ziqing. Behaviors of polycylic aromatic hydrocarbons (PAHs) in the soil[J]. Chinese Journal of Applied Ecology, 2002, (4): 501-504.

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