6. Absorption of NOx from aqueous solutions
6.1 Reaction mechanisms
As already stated, according to the most commonly accepted reaction mechanisms of NO x absorption in aqueous solutions, nitrogen oxides are made up of several species among which we distinguish, in ascending order of solubility in the aqueous phase, nitrogen monoxide NO, nitrogen dioxide NO 2 and nitrogen tetraoxide N 2 O 4 , nitrogen trioxide N 2 O 3 and nitrous acid HNO 2 (which can form in the presence of water vapor).
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Absorption of NOx from aqueous solutions
Conclusions and outlook
Regulations
Council Directive 96/61/EC of September 24, 1996 concerning integrated pollution prevention and control, known as the IPPC Directive (OJ L 257, October 10, 1996, p. 26-40).
Directive 2000/76/EC of the European Parliament and of the Council of December 4, 2000 on the incineration of waste (OJ L 332, December 28, 2000, p. 91-111).
Directive 2001/80/EC of the European Parliament...
Standards and norms
- Ambient air quality – standard method for measuring nitrogen dioxide and nitrogen monoxide concentration by chemiluminescence. - EN 14211 - (2005)
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