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izvor podataka: crosbi

Preparation of drinking water used in water supply systems of the towns Zrenjanin and Temerin by electrochemical methods (CROSBI ID 186508)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Oreščanin, Višnja ; Kollar, Robert ; Nađ, Karlo ; Mikulić, Nenad Preparation of drinking water used in water supply systems of the towns Zrenjanin and Temerin by electrochemical methods // Journal of environmental science and health. Part A : Toxic/hazardous substances & environmental engineering, 48 (2013), 4; 437-445. doi: 10.1080/10934529.2013.729896

Podaci o odgovornosti

Oreščanin, Višnja ; Kollar, Robert ; Nađ, Karlo ; Mikulić, Nenad

engleski

Preparation of drinking water used in water supply systems of the towns Zrenjanin and Temerin by electrochemical methods

The aim of this work was the development and application of the pilot plant with the capacity of 1000 L/day for the purification of groundwater used for human consumption characterized with high concentration of arsenic and increased values of organic pollutants, ammonia, nitrites, color and turbidity. For that purpose, groundwater from the production wells supplying the towns Zrenjanin and Temerin (Vojvodina, Serbia) was used. Due to its complex composition, the purification system required the combination of the electroreduction/electrocoagulation, using iron and aluminum electrode plates with/without ozonation, followed by the electromagnetic treatment and the finally by the simultaneous ozonation/UV treatment. The electroreduction was used for the removal of nitrates, nitrites, and Cr(VI), while the removal of arsenic, heavy metals, suspended solids, color and turbidity required the application of the electrocoagulation with simultaneous ozonation. Organic contaminants and ammonia were removed completely in the last treatment step by applying the simultaneous ozonation/UV treatment. All measured parameters in the purified water were significantly lower compared to the regulated values. Under the optimum treatment conditions, the removal efficiencies for color, turbidity, suspended solids, total arsenic, total chromium, Ni(II), total copper, sulfates, fluorides, chemical oxygen demand, ammonia, nitrates, and nitrites were 100%. The removal efficiencies of the total manganese and iron were 85.19% and 97.44%, respectively, whilst the final concentrations were 4 and 7 g/L, respectively.

arsenic ; heavy metals ; ammonia ; ozonation ; electrocoagulation/electroreduction ; iron anode ; aluminum anode ; UV

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Podaci o izdanju

48 (4)

2013.

437-445

objavljeno

1093-4529

10.1080/10934529.2013.729896

Povezanost rada

Kemija

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