Question

What is Denitrification ?
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Answer 1

Answer:

some of the nitrates are absorbed by the plants. Rest of the nitrates in the soil are converted by pseudomonas bacteria into nitrogen gas which escapes into the atmosphere. The conversion of nitrates into free nitrogen gas by denitrifying bacteria (pseudomonas) is called denitrification.

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Answer 2

Answer:

Denitrification is the process whereby nitrogen is removed from water. When employed in water quality improvement technologies, denitrification treats water to reduce its nitrate-nitrogen content to potable levels.

Explanation:

Denitrification is […] employed to convert the nitrate-nitrogen in the effluent from the activated sludge-nitrification process into nitrogen gas. Denitrification takes place in the deep bed, mono-media denitrification filters. A supplemented carbon source (methanol) is added to the denitrification filter influent to provide a food source for the denitrifying culture in the filters.

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