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Since denitrification can remove NO 3 −, reducing its leaching to groundwater, it can be strategically used to treat sewage or animal residues of high nitrogen content. Denitrification can leak N 2 O, which is an ozone-depleting substance and a greenhouse gas that can have a considerable influence on global warming.
The gas used for plasma nitriding is usually pure nitrogen since no spontaneous decomposition is needed (as is the case of gaseous ferritic nitrocarburizing with ammonia). Due to the relatively low-temperature range (420 °C (788 °F) to 580 °C (1,076 °F)) generally applied during plasma-assisted ferritic nitrocarburizing and gentle cooling ...
In gas nitriding the donor is a nitrogen-rich gas, usually ammonia (NH 3), which is why it is sometimes known as ammonia nitriding. [2] When ammonia comes into contact with the heated work piece it dissociates into nitrogen and hydrogen. The nitrogen then diffuses onto the surface of the material creating a nitride layer.
The SHARON (Single reactor system for High activity Ammonium Removal Over Nitrite) wastewater treatment process is a combination of two already used nitrogen removing reactions. One process utilizes fast growing nitrifiers utilizing nitrification of ammonia to nitrite and Anammox which is the denitrification of nitrite to atmospheric nitrogen ...
Nitrate is first converted to nitric oxide in the presence of nitrate reductase, which is the first step in this reaction. Anammox oxidizes ammonium into nitrite, which is the reduced to hydroxylamine. Hydroxylamine and ammonia then react to form hydrazine, which is then oxidized into nitrogen gas. [2]
Nitrates affect the nitrate‐nitrite‐nitric oxide pathway, in which nitrates are recycled in blood and tissue to produce nitric oxide — an important molecule for vascular health and blood flow.