Chemistry Journal of Moldova

THE EVOLUTION OF BIOCHEMICAL OXIDATION OF AMMONIA IONS IN SMALL RIVERS WATER

Author(s):

Elena Mosanu, P. Spataru, T. Lupascu, Maria Sandu, Tatiana Goreacioc, A. Tarita


Field: Ecological chemistry
Type: Research paper
Issue: 2010 Volume 5, no.1
Pages: 78-83
Keywords:

biochemical oxidation, ammonia ions, nitrification, small rivers.


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DOI:
dx.doi.org/10.19261/cjm.2010.05(1).06

Graphical Abstract: 
Nitrification is the oxidation of ammonia to nitrate, via nitrite and it occupies a central position within the global nitrogen cycle. Nitrifying bacteria are the organisms capable of converting the most reduced form of nitrogen, ammonia, to the most oxidized form, nitrate, but their activity is influenced by pollution level. Starting with the assumption that pollution of small internal water courses in the Republic of Moldova remained severe (phenols, detergents and copper regularly exceed the MACs) the work presented in the paper discusses the evolution of ammonia ions nitrification in the water of river Prut tributaries and its correlation with the content of pollutants in water: surface-active substances, Cu, BOD5, COD and other compounds.


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