This is the scenario:
1) Irrigation water with a composition of ferric nitrate [Fe(NO3)3], ammonium nitrate [NH4NO3], ammonium nitrite [NH4NO2], ammonium nitride [(NH4)3N] and humic acid (full of N). Alcalinity 150 mg/l, hardness 250 mg/l, salinity 0.6 g/L, electric conductivity 1.5 mS/cm, pH 8. 25ºC.
2) Water Ozonization parameters: 3.5 L/min, 80% O2 richness, 65 g O3/m3. Invariable water volume 500 mL.
So...
What do you think it will ocurr?
Will all the nitrogen present in an irrigation water (in its organic or inorganic forms) become nitrate after ozonation of the water?
Will alcalinity or hardness change in any maner?
Will salinity or electric conductivity change?
Will the pH be important for that supposed change?
I'm looking for different and interesting opinions about it because I'm doing experiments on that subject, and reading many papers too, but I'm finding some exciting contradictions.
Thanks in advance.
Juan de Dios
Please find eencssoed herewith an interesting PDFs...
You don't mention the treatment target for the ozonation which determine how much ozone you would add. Do you ozonate to disinfect the water, remove the color or a specific chemical pollutant?
If you ozonate to a level there you perform disinfection or decolorisation you will oxidize nitrite to nitrate but not organic nitrogen and ammonia.
Alkalinity, hardness, salinity and electric conductivity doesn't change with ozonation. pH is very important for the ozonation process. Both required dose, products formed and reaction kinetics change drastically e.g. between pH 6 and 8.
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