Studies on the Efficiency of Grundwater Treatment Process With Adsorption on Activated Alumina

• Autorzy: Szatyłowicz E. , Skoczko I.

Identyfikatory

DOI

10.12911/22998993/74272

• Języki publikacji: EN

Abstrakty

EN

One of inorganic sorbents used in water treatment technology is activated alumina. It is recommended by the European Commission to remove inorganic impurities, such as arsenic, fluoride, selenium and silicates. The adsorbent is usually applied in a granular form, under flow conditions. It can become absorbent material, increasingly used due to the presence of arsenic beside iron and manganese in groundwater intakes. The aim of the study was to evaluate the effectiveness of groundwater treatment in the technological system containing adsorption on activated alumina. The experiment was performed on test model CE 581 manufactured by G.U.N.T. Hamburg, in which four treatment stages can be extracted. The first stage is used in a gravel filter of grain size 1–2 mm, in the second sand filter of grain size 0.4–0.8 mm. The third and fourth phase includes two adsorbers. The first adsorber comprises activated alumina (Al,sub>2O₃) and the other comprises a granular activated carbon. The study was conducted at different speeds of filtration: 5, 10 and 15 m/h. In the raw water samples and the purified water samples after each treatment step the following parameters were determined: pH, O,sub>2 concentration, electrolytic conductivity, SO₄^2-, concentration, NO^3- concentration, PO₄^3- concentration, Cl^- concentration, color, turbidity, iron and manganese concentration, CODMn, total hardness, calcium hardness, magnesium hardness, content of dissolved substances. The conducted research indicates that optimum filtration rate for most pollution is 15 m/h. Moreover, the presence of activated alumina has contributed to increasing the efficiency of nitrate (V) and phosphate (V) ions removal.

Słowa kluczowe

EN

activated alumina; water treatment; adsorption; popular pollutants

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2017
• Tom: Vol. 18, nr 4
• Strony: 211--218
• Opis fizyczny: Bibliogr. 22 poz., tab, rys.

Twórcy

autor

Szatyłowicz E.

• Department of Technology in Environmental Engineering and Protection, Faculty of Civil and Environmental Engineering, Bialystok University of Technology, 45E Wiejska St., 15-351 Bialystok

autor

Skoczko I.

• Department of Technology in Environmental Engineering and Protection, Faculty of Civil and Environmental Engineering, Bialystok University of Technology, 45E Wiejska St., 15-351 Bialystok

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).