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Nitrate reduction by nano-Fe/Cu particles in packed column
, Article Desalination ; Volume 276, Issue 1-3 , 2011 , Pages 214-221 ; 00119164 (ISSN) ; Ataie Ashtiani, B ; Kholghi, M ; Sharif University of Technology
Abstract
In this work the application of a modified surface nano zero valent iron (NZVI) as bimetallic Fe/Cu particles to remove high concentration of NO3--N through packed sand column has been studied. Dispersed nano-Fe/Cu particles has been synthesized in water mixed ethanol solvent system (1:4v/v) and described by XRD pattern, TEM and SEM images and BET analyze. Batch experiments have been conducted to investigate the effect of percentage coating of Fe0 by Cu on the nitrate removal. Research on packed sand column (120cm length, 6.5cm inner diameter) has been done under conditions of Nano-Fe/Cu concentration (2, 5, and 8gl-1 of solution), high initial NO3--N concentration (100, 200, and 300mgl-1)...