Study of hydrogen sulfide removal from grundwater
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LUPASCU, Tudor; CIOBANU, Mihail; BOTAN, Victor; GROMOVOI, Taras; CIBOTARU, Silvia; PETUHOV, Oleg; MITINA, Tatiana. Study of hydrogen sulfide removal from grundwater. In: Chemistry Journal of Moldova. 2013, nr. 1(8), pp. 37-42. ISSN 1857-1727.
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Chemistry Journal of Moldova
Numărul 1(8) / 2013 / ISSN 1857-1727 /ISSNe 2345-1688

Study of hydrogen sulfide removal from grundwater

Pag. 37-42

Lupascu Tudor1, Ciobanu Mihail1, Botan Victor1, Gromovoi Taras2, Cibotaru Silvia1, Petuhov Oleg1, Mitina Tatiana1
 
1 Institute of Chemistry of the Academy of Sciences of Moldova,
2 Chuiko Institute of Surface Chemistry, National Academy of Science of Ukraine
 
Disponibil în IBN: 1 decembrie 2013


Rezumat

The process of the hydrogen sulfide removal from the underground water of the Hancesti town has been investigated. By oxygen bubbling through the water containing hydrogen sulfide, from the Hancesti well tube, sulfur is deposited in the porous structure of studied catalysts, which decreases their catalytic activity. Concomitantly, the process of adsorption / oxidation of hydrogen sulfide to sulfate take place. The kinetic research of the hydrogen sulfide removal from the Hancesti underground water, after its treatment by hydrogen peroxide, proves greater efficiency than in the case of modified carbonic adsorbents. As a result of used treatment, hydrogen sulfide is completely oxidized to sulfates.

Cuvinte-cheie
catalysts, hydrogen sulfi de, adsorption/oxidation, hydrogen peroxide, sulfur, sulfate