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Naslov:Removal of arsenic from drinking water
Avtorji:Simonič, Marjana (Avtor)
Datoteke:URL http://www.dlib.si/details/URN:NBN:SI:DOC-TUJU7YG2
 
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Opis:The drinking water well in Slovenska Bistrica, Slovenia, contains arsenic in concentration around 50 ▫$/mu$▫g/L. Therefore it is necessary to implement a technological treatment to make the water suitable for drinking. In order to do so the following technologies were suggested: activated alumina, green sand, granular ferric hydroxide and special goethite media. They were all carried out on a laboratory scale. We managed to remove arsenic below 1 ▫$/mu$▫g/L. Arsenic is usually found as an anion with acid characteristics in the trivalent (III) and pentavalent (V) forms. Chemical analyses of our drinking water showed that arsenic is present in pentavalent form. This means that the water is less toxic as it would be if it contained arsenic in the trivalent form. On the other hand, all the important physical chemical parameters of water remained practically unchanged after the treatment. The hygienic water quality obtained was not an issue. Finally, in addition to capability of arsenic removal, a comprehensive economic analysis of selected technologies is provided.
Ključne besede:pitna voda, arzen, aktivna glinica, goetit, drinking water, arsenic, activated alumina, goethit
Leto izida:2007
Št. strani:str. 47-56
Številčenje:Vol. 1, no. 1
UDK:628.1
URN:URN:SI:UM:DK:X2OOSK2C
COBISS_ID:11341334 Povezava se odpre v novem oknu
ISSN pri članku:1854-0678
Število ogledov:575
Število prenosov:16
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Področja:Ostalo
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Gradivo je del revije

Naslov:Sanitarno inženirstvo
Založnik:Inštitut za sanitarno inženirstvo
ISSN:1854-0678
COBISS.SI-ID:216969216 Novo okno

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