Izvorni znanstveni članak
https://doi.org/10.5599/jese.244
Iron and manganese removal from drinking water
Daniela-Elena Pascu
; Faculty of Applied Chemistry and Materials Sciences, Politehnica University of Bucharest, 1-7 Gheorghe Polizu Street, Bucharest, 011061, Romania
Mihaela Neagu (Pascu)
; Faculty of Applied Chemistry and Materials Sciences, Politehnica University of Bucharest, 1-7 Gheorghe Polizu Street, Bucharest, 011061, Romania
Gina Alina Traistaru
; S. C. ENECO Consulting S.R.L, sos. Pantelimon, no. 247, sector 2, Bucharest, Romania
Aurelia Cristina Nechifor
; Faculty of Applied Chemistry and Materials Sciences, Politehnica University of Bucharest, 1-7 Gheorghe Polizu Street, Bucharest, 011061, Romania
Alexandra Raluca Miron
; Faculty of Applied Chemistry and Materials Sciences, Politehnica University of Bucharest, 1-7 Gheorghe Polizu Street, Bucharest, 011061, Romania
Sažetak
The purpose of the present study is to find a suitable method for removal of iron and manganese from ground water, considering both local economical and environmental aspects. Ground water is a highly important source of drinking water in Romania. Ground water is naturally pure from bacteria at a 25 m depth or more. However, solved metals may occur and if the levels are too high, the water is not drinkable. Different processes, such as electrochemical and combined electrochemical-adsorption methods have been applied to determine metals content in accordance to reports of National Water Agency from Romania (ANAR). Every water source contains dissolved or particulate compounds. The concentrations of these compounds can affect health, productivity, compliance requirements, or serviceability and cannot be economically removed by conventional filtration means. In this study, we made a comparison between the electrochemical and adsorption methods (using membranes). Both methods have been used to evaluate the efficiency of iron and manganese removal at various times and temperatures. We used two membrane types: composite and cellulose, respectively. Different approaches, including lowering the initial current density and increasing the initial pH were applied. Reaction kinetics was achieved using mathematical models: Jura and Temkin.
Ključne riječi
Ground water; Solved metals; Mathematical models; Composite membranes; Different methods
Hrčak ID:
156385
URI
Datum izdavanja:
21.4.2016.
Posjeta: 1.787 *