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Effects of operating parameters on efficiency of cadmium and zinc removal by the complexation-filtration process

Authorized Users Only
2006
Authors
Trivunac, Katarina
Stevanović, Slavica
Article (Published version)
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Abstract
A process for purifying wastewaters containing heavy and toxic metals such as cadmium and zinc by the complexation-filtration process was studied. From previous research, diethylaminoethyl cellulose (DEAE23) was selected as the complexing agent. The experiments were carried out in a Millipore ultrafiltration stirred dead-end cell at room temperature. Factors such as pH, concentration of the ligand and of the metal ion, membrane pore size and applied pressure were investigated. Experimental results indicate a considerable influence of the pH of the solution on the rejection coefficient. Also, the complexing ability of DEAE23 towards zinc ions is higher than towards cadmium ions. An increase of the concentration of the complexing agent at constant initial concentration of metal increases metal retention. An increase of initial metal concentration at constant concentration of the complexing agent decreases metal retention. When both metals are present in the same solution, retention decre...ases compared to single metal solutions, which is more significant in the case of cadmium ions.

Keywords:
heavy metal ions / complexation / filtration
Source:
Desalination, 2006, 198, 1-3, 282-287
Publisher:
  • Elsevier, Amsterdam

DOI: 10.1016/j.desal.2006.01.028

ISSN: 0011-9164

WoS: 000242209200033

Scopus: 2-s2.0-33749636205
[ Google Scholar ]
19
18
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/948
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Trivunac, Katarina
AU  - Stevanović, Slavica
PY  - 2006
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/948
AB  - A process for purifying wastewaters containing heavy and toxic metals such as cadmium and zinc by the complexation-filtration process was studied. From previous research, diethylaminoethyl cellulose (DEAE23) was selected as the complexing agent. The experiments were carried out in a Millipore ultrafiltration stirred dead-end cell at room temperature. Factors such as pH, concentration of the ligand and of the metal ion, membrane pore size and applied pressure were investigated. Experimental results indicate a considerable influence of the pH of the solution on the rejection coefficient. Also, the complexing ability of DEAE23 towards zinc ions is higher than towards cadmium ions. An increase of the concentration of the complexing agent at constant initial concentration of metal increases metal retention. An increase of initial metal concentration at constant concentration of the complexing agent decreases metal retention. When both metals are present in the same solution, retention decreases compared to single metal solutions, which is more significant in the case of cadmium ions.
PB  - Elsevier, Amsterdam
T2  - Desalination
T1  - Effects of operating parameters on efficiency of cadmium and zinc removal by the complexation-filtration process
EP  - 287
IS  - 1-3
SP  - 282
VL  - 198
DO  - 10.1016/j.desal.2006.01.028
ER  - 
@article{
author = "Trivunac, Katarina and Stevanović, Slavica",
year = "2006",
abstract = "A process for purifying wastewaters containing heavy and toxic metals such as cadmium and zinc by the complexation-filtration process was studied. From previous research, diethylaminoethyl cellulose (DEAE23) was selected as the complexing agent. The experiments were carried out in a Millipore ultrafiltration stirred dead-end cell at room temperature. Factors such as pH, concentration of the ligand and of the metal ion, membrane pore size and applied pressure were investigated. Experimental results indicate a considerable influence of the pH of the solution on the rejection coefficient. Also, the complexing ability of DEAE23 towards zinc ions is higher than towards cadmium ions. An increase of the concentration of the complexing agent at constant initial concentration of metal increases metal retention. An increase of initial metal concentration at constant concentration of the complexing agent decreases metal retention. When both metals are present in the same solution, retention decreases compared to single metal solutions, which is more significant in the case of cadmium ions.",
publisher = "Elsevier, Amsterdam",
journal = "Desalination",
title = "Effects of operating parameters on efficiency of cadmium and zinc removal by the complexation-filtration process",
pages = "287-282",
number = "1-3",
volume = "198",
doi = "10.1016/j.desal.2006.01.028"
}
Trivunac, K.,& Stevanović, S.. (2006). Effects of operating parameters on efficiency of cadmium and zinc removal by the complexation-filtration process. in Desalination
Elsevier, Amsterdam., 198(1-3), 282-287.
https://doi.org/10.1016/j.desal.2006.01.028
Trivunac K, Stevanović S. Effects of operating parameters on efficiency of cadmium and zinc removal by the complexation-filtration process. in Desalination. 2006;198(1-3):282-287.
doi:10.1016/j.desal.2006.01.028 .
Trivunac, Katarina, Stevanović, Slavica, "Effects of operating parameters on efficiency of cadmium and zinc removal by the complexation-filtration process" in Desalination, 198, no. 1-3 (2006):282-287,
https://doi.org/10.1016/j.desal.2006.01.028 . .

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