Birkeland–Eyde process
Nitrogen fixation process using electrical arcs
Birkeland–Eyde process
The Birkeland–Eyde process was one of the competing industrial processes in the beginning of nitrogen-based fertilizer production. It is a multi-step nitrogen fixation reaction that uses electrical arcs to react atmospheric nitrogen (N2) with oxygen (O2), ultimately producing nitric acid (HNO3) with water. The resultant nitric acid was then used as a source of nitrate (NO3−) in the reaction HNO3 + H2O → H3O+ + NO3− which may take place in the presence of water or another proton acceptor.
Read on Wikipedia · Image Erik den yngre, CC BY-SA 3.0
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