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Uklanjanje uranil-jona iz rastvora kiselo tretiranim zeolitima

Removal of uranium (VI) from aqueous solution by acid modified zeolites

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2016
896.pdf (731.5Kb)
Authors
Matijašević, Srđan
Zildžović, Snežana
Stojanović, Jovica
Đošić, Marija
Nikolić, Jelena
Stojanović, Mirjana
Labus, Nebojša
Article (Published version)
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Abstract
Cilj ovog rada je prikaz mogućnosti primene prirodnog i modifikovanog zeolitskog minerala kao adsorbenta i materijala za sanaciju voda kontaminiranih uranijum jonom. Modifikovani uzorci zeolita dobijeni su tretiranjem prirodnog zeolita - klinoptilolita sa kiselinama: hlorovodoničnom, oksalnom i limunskom. Polazni i modifikovani zeoliti su okarakterisani hemijskom analizom, skenirajućom elektronskom mikroskopijom (SEM), rendgenskom analizom (XRPD), IC spektroskopijom, termičkom (TG/DTA) analizom i određivanjem kapaciteta katjonske izmene, a polazne i neadsorbovane količine uranijum jona su određene fluorimetrijski. Eksperimenti su sprovedeni da se ispita uticaj odnosa čvrsto/tečno, pH i vremena na adsorpciju uranijum jona na zeolitu. Utvrđeno je da tretman sa kiselinama zeolita povećava adsorpciju uranijum jona. Najviši indeks adsorpcije imao je uzorak zeolita modifikovan sa hlorovodoničnom kiselinom. Dobijeni rezultati adsorpcije na H-zeolitu su izračunati prema Langmirovom modelu. ...Projekat MPNTR, br. 142057 Razvoj stakala sa kontrolisanim otpuštanjem jona za primenu u poljoprivredi i medicini (MPNTR - 34001)

The objective of this study was the review of natural zeolite, modified with acid, as a candidate material for the remediation of groundwater contaminated by uranium(VI). The modified zeolite samples were obtained by treatment of natural zeolite - clinoptilolite with acids: hydrochloric, oxalyc and citric. Starting and modified zeolites were characterized by chemical analysis, SEM, XRPD analysis, IR spectroscopy, thermal (TG/DT) analysis and by determination of cation exchange capacity, while starting and nonadsorbed amounts of uranium(VI) ion were determined by fluorometric method. Batch experiments were conducted to investigate the effect of solid/liquid ratio, pH and time on the U(VI) uptake by zeolite. Modification of zeolitic tuff with acids significantly increased adsorption of uranium(VI). The highest adsorption of uranium(VI) ion was achieved on clinoptilolite modified with hydrochloric acid. Uranium(VI) adsorption data for zeolite modified with hydrochloric acid was fitted to ...the Langmuir model. Projekat MPNTR, br. 142057 The development of glasses with controlled ions release for application in agriculture and medicine (MESTD - 34001)

Keywords:
zeolite-clinoptilolite / acid modification / uranium(VI) adsorption
Source:
Zaštita materijala, 2016, 57, 4, 551-558
Projects:
  • The development of glasses with controlled ions release for application in agriculture and medicine (RS-34001)
  • Fizičko-hemijski fenomeni površina alumosilikatnih minerala - osnova za razvoj novih ekoloških materijala (RS-142057)

DOI: 10.5937/ZasMat1604551M

ISSN: 0351-9465 (Print); 2466-2585 (Online)

[ Google Scholar ]
URI
http://dais.sanu.ac.rs/123456789/899
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Matijašević, Srđan
AU  - Zildžović, Snežana
AU  - Stojanović, Jovica
AU  - Đošić, Marija
AU  - Nikolić, Jelena
AU  - Stojanović, Mirjana
AU  - Labus, Nebojša
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/899
AB  - Cilj ovog rada je prikaz mogućnosti primene prirodnog i modifikovanog zeolitskog minerala kao adsorbenta i materijala za sanaciju voda kontaminiranih uranijum jonom. Modifikovani uzorci zeolita dobijeni su tretiranjem prirodnog zeolita - klinoptilolita sa kiselinama: hlorovodoničnom, oksalnom i limunskom. Polazni i modifikovani zeoliti su okarakterisani hemijskom analizom, skenirajućom elektronskom mikroskopijom (SEM), rendgenskom analizom (XRPD), IC spektroskopijom, termičkom (TG/DTA) analizom i određivanjem kapaciteta katjonske izmene, a polazne i neadsorbovane količine uranijum jona su određene fluorimetrijski. Eksperimenti su sprovedeni da se ispita uticaj odnosa čvrsto/tečno, pH i vremena na adsorpciju uranijum jona na zeolitu. Utvrđeno je da tretman sa kiselinama zeolita povećava adsorpciju uranijum jona. Najviši indeks adsorpcije imao je uzorak zeolita modifikovan sa hlorovodoničnom kiselinom. Dobijeni rezultati adsorpcije na H-zeolitu su izračunati prema Langmirovom modelu.

Projekat MPNTR, br. 142057
Razvoj stakala sa kontrolisanim otpuštanjem jona za primenu u poljoprivredi i medicini (MPNTR - 34001)
AB  - The objective of this study was the review of natural zeolite, modified with acid, as a candidate material for the remediation of groundwater contaminated by uranium(VI). The modified zeolite samples were obtained by treatment of natural zeolite - clinoptilolite with acids: hydrochloric, oxalyc and citric. Starting and modified zeolites were characterized by chemical analysis, SEM, XRPD analysis, IR spectroscopy, thermal (TG/DT) analysis and by determination of cation exchange capacity, while starting and nonadsorbed amounts of uranium(VI) ion were determined by fluorometric method. Batch experiments were conducted to investigate the effect of solid/liquid ratio, pH and time on the U(VI) uptake by zeolite. Modification of zeolitic tuff with acids significantly increased adsorption of uranium(VI). The highest adsorption of uranium(VI) ion was achieved on clinoptilolite modified with hydrochloric acid. Uranium(VI) adsorption data for zeolite modified with hydrochloric acid was fitted to the Langmuir model.

Projekat MPNTR, br. 142057
The development of glasses with controlled ions release for application in agriculture and medicine (MESTD - 34001)
T2  - Zaštita materijala
T1  - Uklanjanje uranil-jona iz rastvora kiselo tretiranim zeolitima
SP  - 551
EP  - 558
VL  - 57
IS  - 4
DO  - 10.5937/ZasMat1604551M
ER  - 
@article{
author = "Matijašević, Srđan and Zildžović, Snežana and Stojanović, Jovica and Đošić, Marija and Nikolić, Jelena and Stojanović, Mirjana and Labus, Nebojša",
year = "2016",
url = "http://dais.sanu.ac.rs/123456789/899",
abstract = "Cilj ovog rada je prikaz mogućnosti primene prirodnog i modifikovanog zeolitskog minerala kao adsorbenta i materijala za sanaciju voda kontaminiranih uranijum jonom. Modifikovani uzorci zeolita dobijeni su tretiranjem prirodnog zeolita - klinoptilolita sa kiselinama: hlorovodoničnom, oksalnom i limunskom. Polazni i modifikovani zeoliti su okarakterisani hemijskom analizom, skenirajućom elektronskom mikroskopijom (SEM), rendgenskom analizom (XRPD), IC spektroskopijom, termičkom (TG/DTA) analizom i određivanjem kapaciteta katjonske izmene, a polazne i neadsorbovane količine uranijum jona su određene fluorimetrijski. Eksperimenti su sprovedeni da se ispita uticaj odnosa čvrsto/tečno, pH i vremena na adsorpciju uranijum jona na zeolitu. Utvrđeno je da tretman sa kiselinama zeolita povećava adsorpciju uranijum jona. Najviši indeks adsorpcije imao je uzorak zeolita modifikovan sa hlorovodoničnom kiselinom. Dobijeni rezultati adsorpcije na H-zeolitu su izračunati prema Langmirovom modelu.

Projekat MPNTR, br. 142057
Razvoj stakala sa kontrolisanim otpuštanjem jona za primenu u poljoprivredi i medicini (MPNTR - 34001), The objective of this study was the review of natural zeolite, modified with acid, as a candidate material for the remediation of groundwater contaminated by uranium(VI). The modified zeolite samples were obtained by treatment of natural zeolite - clinoptilolite with acids: hydrochloric, oxalyc and citric. Starting and modified zeolites were characterized by chemical analysis, SEM, XRPD analysis, IR spectroscopy, thermal (TG/DT) analysis and by determination of cation exchange capacity, while starting and nonadsorbed amounts of uranium(VI) ion were determined by fluorometric method. Batch experiments were conducted to investigate the effect of solid/liquid ratio, pH and time on the U(VI) uptake by zeolite. Modification of zeolitic tuff with acids significantly increased adsorption of uranium(VI). The highest adsorption of uranium(VI) ion was achieved on clinoptilolite modified with hydrochloric acid. Uranium(VI) adsorption data for zeolite modified with hydrochloric acid was fitted to the Langmuir model.

Projekat MPNTR, br. 142057
The development of glasses with controlled ions release for application in agriculture and medicine (MESTD - 34001)",
journal = "Zaštita materijala",
title = "Uklanjanje uranil-jona iz rastvora kiselo tretiranim zeolitima",
pages = "551-558",
volume = "57",
number = "4",
doi = "10.5937/ZasMat1604551M"
}
Matijašević S, Zildžović S, Stojanović J, Đošić M, Nikolić J, Stojanović M, Labus N. Uklanjanje uranil-jona iz rastvora kiselo tretiranim zeolitima. Zaštita materijala. 2016;57(4):551-558
Matijašević, S., Zildžović, S., Stojanović, J., Đošić, M., Nikolić, J., Stojanović, M.,& Labus, N. (2016). Uklanjanje uranil-jona iz rastvora kiselo tretiranim zeolitima.
Zaštita materijala, 57(4), 551-558. 
https://doi.org/10.5937/ZasMat1604551M
Matijašević Srđan, Zildžović Snežana, Stojanović Jovica, Đošić Marija, Nikolić Jelena, Stojanović Mirjana, Labus Nebojša, "Uklanjanje uranil-jona iz rastvora kiselo tretiranim zeolitima" 57, no. 4 (2016):551-558,
https://doi.org/10.5937/ZasMat1604551M .

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