@conference{
author = "Maletić, Marina and Žižović, Sara and Vukčević, Marija and Milošević, Milena and Karić, Nataša and Trivunac, Katarina and Perić-Grujić, Aleksandra",
year = "2023",
abstract = "U cilju iskorišćenja industrijskog otpada, leteći pepeo je modifikovan radi dobijanjaefikasnih adsorbenata za uklanjanje metilensko plavog iz vode. Leteći pepeo je aktiviran uprisustvu NaOH na 550oC, i modifikovan različitim količinama polietilenimina.Karakterizacija polaznog i modifikovanih uzoraka izvršena je skenirajućom elektronskommikroskopijom i infracrvenom spektroskopijom sa Furijeovom transformacijom. Ispitan jeuticaj vremena kontakta i početne koncentracije adsorbata na adsorpcione kapacitetenemodifikovanog i modifikovanog letećeg pepela. Pokazano je da adsorpcionekarakteristike zavise od količine dodatog polietilenimina, kao i da adsorpcija prati brzinupseudo-drugog reda, a ravnotežni adsorpcioni podaci pokazuju bolje slaganje sa Frojndlihovom izotermom., In attempt to reuse industrial waste, fly ash was modified and converted into efficientadsorbent for the removal of methylene blue from water. Fly ash was activated in thepresence of NaOH at 550oC, and modified with different amounts of polyethyleneimine.The raw and modified samples were characterized by scanning electron microscopy andFourier transform infrared spectroscopy. The influence of contact time and initialadsorbate concentration on the adsorption capacity of unmodified and modified fly ash wasalso examined. It has been shown that the adsorption characteristics depend on the amountof polyethyleneimine added, that the adsorption follows a pseudo-second-order rate, andthe equilibrium adsorption data show better agreement with the Freundlich isotherm.",
publisher = "Beograd : Srpsko hemijsko društvo",
journal = "Kratki izvodi radova, knjiga radova - 59. Savetovanje Srpskog hemijskog društva, 1. i 2. jun 2023. godine, Novi Sad / Book of Abstracts, Proceedings - 59th Meeting of the Serbian Chemical Society, June 1-2, 2023, Novi Sad, Serbia",
title = "Alkalno aktivirani leteći pepeo modifikovan polietileniminom kao adsorbent za uklanjanje metilensko plavog iz vode, Alkali-activated fly ash modified with polyethyleneimine as adsorbent for methylene blue removal from water",
pages = "126-126",
url = "https://hdl.handle.net/21.15107/rcub_cer_7337"
}