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Nitrogen contamination of the surface water (lake, river and stream) is monitored routinely as nitrate-N, ammoniacal-N (both of the above combined as dissolved inorganic-N) and total-N. The above...
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A current modern trickling filter (TF) system with plastic filters has an input of BOD = 200 mg/L, COD = 350 mg/L and TN = 45 mg/L (effluent volume being 15,000 m3/d) has an output (in mg/L) of...
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Nitrification inhibitors have been researched extensively for more than 5-6 decades. If used properly, NO3 leaching and greenhouse gas emission such as N2O from soils can be minimised in...
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Ammonium (NH4) is immobilised by soil bacteria which is a common pathway in N cycle. Nitrate (NO3) is reduced to N2O or N2 via denitrification process. Sometimes NO3 can be reduced through...
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