Removal of ammonium ions and ammonia from groundwater by oxidation processes
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LUPASCU, Tudor; CIOBANU, Mihail; BOTAN, Victor; SANDU, Ioan-Gabriel; DRAGALIN, Ion; MITINA, Tatiana; SANDU, Ion. Removal of ammonium ions and ammonia from groundwater by oxidation processes. In: Revista de Chimie. 2018, nr. 11(69), pp. 3082-3086. ISSN 0034-7752.
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Revista de Chimie
Numărul 11(69) / 2018 / ISSN 0034-7752

Removal of ammonium ions and ammonia from groundwater by oxidation processes


Pag. 3082-3086

Lupascu Tudor1, Ciobanu Mihail1, Botan Victor1, Sandu Ioan-Gabriel23, Dragalin Ion1, Mitina Tatiana1, Sandu Ion24
 
1 Institute of Chemistry of the Academy of Sciences of Moldova,
2 Gheorghe Asachi Technical University of Iasi,
3 Forumul Inventatorilor Români,
4 „Alexandru Ioan Cuza” University, Iasi
 
Disponibil în IBN: 13 decembrie 2018


Rezumat

The process of removal of ammonium ions and ammoniafrom ground water, which contained these components in quantities exceeding the maximum permissible limit, was studied by the oxidation method. It was shown by the CG-MS method and thin layer chromatography that calcium hypochlorite in certain amounts and at certain pH values oxidizes ammonium ions and ammonia, presumably with the formation of free nitrogen, without forming chloramines, reducing concentration of ammonium ions and ammonia to values below the maximum allowable limit for drinking water.

Cuvinte-cheie
adsorption, Ammonia, oxidation,

Ammonium ions, Calcium hypochlorite