Title : Effects of pH and H2O2 on ammonia, nitrite, and nitrate transformations during UV254nm irradiation: Implications to nitrogen removal and analysis.

Pub. Date : 2017 Oct

PMID : 28658735






4 Functional Relationships(s)
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1 NH3 was more reactive than NH4+ with hydroxyl radical (OH), and by a stepwise H2O2 addition method NH3/NH4+ can be completely converted to NOx-; NO2- underwent rapid oxidation to form NO3- when H2O2 was present, suggesting that it is an intermediate compound linking NH3/NH4+ and NO3-; but once H2O2 was depleted, NO3- can be gradually photo-reduced back to NO2- at high pH conditions. Nitrogen Dioxide NBL1, DAN family BMP antagonist Homo sapiens
2 NH3 was more reactive than NH4+ with hydroxyl radical (OH), and by a stepwise H2O2 addition method NH3/NH4+ can be completely converted to NOx-; NO2- underwent rapid oxidation to form NO3- when H2O2 was present, suggesting that it is an intermediate compound linking NH3/NH4+ and NO3-; but once H2O2 was depleted, NO3- can be gradually photo-reduced back to NO2- at high pH conditions. Nitrogen Dioxide NBL1, DAN family BMP antagonist Homo sapiens
3 NH3 was more reactive than NH4+ with hydroxyl radical (OH), and by a stepwise H2O2 addition method NH3/NH4+ can be completely converted to NOx-; NO2- underwent rapid oxidation to form NO3- when H2O2 was present, suggesting that it is an intermediate compound linking NH3/NH4+ and NO3-; but once H2O2 was depleted, NO3- can be gradually photo-reduced back to NO2- at high pH conditions. Nitrogen Dioxide NBL1, DAN family BMP antagonist Homo sapiens
4 NH3 was more reactive than NH4+ with hydroxyl radical (OH), and by a stepwise H2O2 addition method NH3/NH4+ can be completely converted to NOx-; NO2- underwent rapid oxidation to form NO3- when H2O2 was present, suggesting that it is an intermediate compound linking NH3/NH4+ and NO3-; but once H2O2 was depleted, NO3- can be gradually photo-reduced back to NO2- at high pH conditions. Nitrogen Dioxide NBL1, DAN family BMP antagonist Homo sapiens