Nitrification and denitrification in water and soil environments

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Abstract
An overview of nitrification and denitrification in the natural environment is presented and the basic mechanisms of nitrification and denitrification in water/soil environments are described in this paper. Nitrification/denitrification is one of the most important techniques for removing inorganic nitrogenous compounds in water and soil environments. Nitrification and denitrification in aquatic and soil environments can be described by using First‐order kinetic and the methods for parameter estimation are discussed. The study indicated that nitrification and denitrification could take place simultaneously in aerobic and anaerobic zones in soil and water environment. The factors effecting nitrification and denitrification are discussed in this study. External carbon sources are the most important factors for completing denitrification and dissolved oxygen (DO) is very significant for nitrification.