TY  - CONF
AU  - Perendija, Jovana
AU  - Milošević, Dragana
AU  - Bugarčić, Mladen
AU  - Marinković, Aleksandar
PY  - 2019
UR  - https://ritnms.itnms.ac.rs/handle/123456789/679
AB  - The industries of leather-tanning, mining and textile dyeing, generate large amounts of
chromium-containing wastewater. Hexavalent Cr(VI) is highly poisonous and extremely
mobile in the surface-water and groundwater in a broad pH range and therefore it has
been identified as a potentially carcinogenic substance. The aim of the presented work
was to develop cellulose-based membrane functionalized with magnetite, which could
be used as an efficient adsorbent for the removal of hexavalent chromium Cr(VI) ions
from aqueous solutions. Cellulose-based filter (CF) was functionalized with magnetite
in three-step process. In the first and second step CF surface was modified using
an ethanolic solution of (3-aminopropyl)triethoxysilane (APTES), and
diethylenetriaminepentaacetic acid dianhydride, respectively. The introduction of amino
and carboxylic groups provided successful precipitation of magnetite in the third step.
The obtained cellulose-magnetite membrane (CelMag-M) was characterized by FTIR
and SEM analysis. Adsorption of Cr(VI) onto CelMag-M was studied using batchadsorption
test. Under optimum pH conditions, the maximum experimental adsorption
capacity of CelMag-M for Cr(VI) was found to be 111.2 mg g–1. The adsorption process
was endothermic, the equilibrium adsorption data could be best fitted to the Langmuir
adsorption isotherm model and kinetics was in agreement with the pseudo-second-order
rate equation.
PB  - Belgrade : Development and Research Centre of Graphic Engineering Faculty of Technology and Metallurgy
C3  - 7th Conference of the Young Chemists of Serbia
T1  - Removal of hexavalent chromium Cr(VI) from aqueous solutions using cellulose-magnetite membrane CelMag-M
EP  - 146
SP  - 146
ER  - 

@conference{
author = "Perendija, Jovana and Milošević, Dragana and Bugarčić, Mladen and Marinković, Aleksandar",
year = "2019",
abstract = "The industries of leather-tanning, mining and textile dyeing, generate large amounts of
chromium-containing wastewater. Hexavalent Cr(VI) is highly poisonous and extremely
mobile in the surface-water and groundwater in a broad pH range and therefore it has
been identified as a potentially carcinogenic substance. The aim of the presented work
was to develop cellulose-based membrane functionalized with magnetite, which could
be used as an efficient adsorbent for the removal of hexavalent chromium Cr(VI) ions
from aqueous solutions. Cellulose-based filter (CF) was functionalized with magnetite
in three-step process. In the first and second step CF surface was modified using
an ethanolic solution of (3-aminopropyl)triethoxysilane (APTES), and
diethylenetriaminepentaacetic acid dianhydride, respectively. The introduction of amino
and carboxylic groups provided successful precipitation of magnetite in the third step.
The obtained cellulose-magnetite membrane (CelMag-M) was characterized by FTIR
and SEM analysis. Adsorption of Cr(VI) onto CelMag-M was studied using batchadsorption
test. Under optimum pH conditions, the maximum experimental adsorption
capacity of CelMag-M for Cr(VI) was found to be 111.2 mg g–1. The adsorption process
was endothermic, the equilibrium adsorption data could be best fitted to the Langmuir
adsorption isotherm model and kinetics was in agreement with the pseudo-second-order
rate equation.",
publisher = "Belgrade : Development and Research Centre of Graphic Engineering Faculty of Technology and Metallurgy",
journal = "7th Conference of the Young Chemists of Serbia",
title = "Removal of hexavalent chromium Cr(VI) from aqueous solutions using cellulose-magnetite membrane CelMag-M",
pages = "146-146"
}

Perendija, J., Milošević, D., Bugarčić, M.,& Marinković, A.. (2019). Removal of hexavalent chromium Cr(VI) from aqueous solutions using cellulose-magnetite membrane CelMag-M. in 7th Conference of the Young Chemists of Serbia
Belgrade : Development and Research Centre of Graphic Engineering Faculty of Technology and Metallurgy., 146-146.

Perendija J, Milošević D, Bugarčić M, Marinković A. Removal of hexavalent chromium Cr(VI) from aqueous solutions using cellulose-magnetite membrane CelMag-M. in 7th Conference of the Young Chemists of Serbia. 2019;:146-146..

Perendija, Jovana, Milošević, Dragana, Bugarčić, Mladen, Marinković, Aleksandar, "Removal of hexavalent chromium Cr(VI) from aqueous solutions using cellulose-magnetite membrane CelMag-M" in 7th Conference of the Young Chemists of Serbia (2019):146-146.

TY  - CONF
AU  - Kovačina, Jovanka
AU  - Milošević, Milena
AU  - Božić, Aleksandra
AU  - Jovanović, Aleksandar
AU  - Marinković, Aleksandar
AU  - Onjia, Antonije
AU  - Povrenović, Dragan
PY  - 2019
UR  - https://ritnms.itnms.ac.rs/handle/123456789/1027
AB  - Usled razvoja industrije i rastom populacije tokom poslednjih godina javljaju se
problemi u vezi sa otpadnim vodama iz proizvodnje koje je neophodno rešavati na ekološki i
ekonomičan način. Sve otpadne vode iz postrojenja bez obzira kako su nastale sadrže štetne
materije koje mogu da imaju i određen stepen toksičnih primesa, moraju se prečistiti ako njihov
kvalitet ne odgovara zakonskim okvirima. Svrha tretmana otpadnih voda je uklanjanje štetnih
materija čime se postiže smanjnje stepena njene zagađenosti, a istovremeno se ostvaruje i određen
ekonomski i ekološki efekat, stoga je u ovom radu izvršeno prečišćavanje otpadne vode postupkom
taloženja upotrebom kalcijum-oksida u cilju uklanjanja koloidnih materija i teških metala. Većina
zagađujućih materija su organskog porekla i njihovo ukljanjanje vršiće se primenom naprednih
oksidacionih procesa korišćenjem ozona i ozona u kombinaciji sa ultrazvukom u cilju postizanja
kvaliteta vode koji odgovara zakonskoj regulativi. Proces prečišćavanja će se optimizovati u
odnosu na tehnološki postupak, koncentraciju, vreme tretmana i količinu primenjenog oksidacionog
sredstva. Stepen zagađenosti vode organskim jedinjenjima će se određivati na osnovu merenja
HPK, BPK i koncentracije teških metala (olovo, gvožđe, hrom, bakar, cink, aluminijum).
AB  - Due to the development of industry and population growth during the in recent years,
there are problems with wastewater from production that needs to be addressed in an
environmentally and economical way. All wastewaters from industry, no matter how they are
created, contain harmful substances that may have some degree of toxicity, must be treated if their
quality does not meet the legal requirements. The purpose of wastewater treatment is to remove
harmful substances, thereby reducing its pollution level, and at the same time, it also has a certain
economic and environmental effect. Therefore, wastewater treatment was carried out in this work by precipitation using calcium oxide to remove colloidal substances and heavy metals. Most
pollutants are of organic origin and their removal will be carried in this work out using advanced
oxidation processes using ozone, and ozone in combination with ultrasound to achieve water
quality that complies with the law. The purification process will be optimized with respect to,
method, time and amount of oxidizing agent applied. The degree of pollution of water by organic
compounds will be determined on the basis of measurements of HPK, BOD and the concentration of
heavy metals (lead, ferrum, chromium, copper, zinc, aluminum).
PB  - Beograd : Beogradska politehnika
C3  - Peti naučno-stručni skup Politehnika
T1  - Prečišćavanja otpadnih voda primenom ozonizacije
EP  - 147
SP  - 142
ER  - 

@conference{
author = "Kovačina, Jovanka and Milošević, Milena and Božić, Aleksandra and Jovanović, Aleksandar and Marinković, Aleksandar and Onjia, Antonije and Povrenović, Dragan",
year = "2019",
abstract = "Usled razvoja industrije i rastom populacije tokom poslednjih godina javljaju se
problemi u vezi sa otpadnim vodama iz proizvodnje koje je neophodno rešavati na ekološki i
ekonomičan način. Sve otpadne vode iz postrojenja bez obzira kako su nastale sadrže štetne
materije koje mogu da imaju i određen stepen toksičnih primesa, moraju se prečistiti ako njihov
kvalitet ne odgovara zakonskim okvirima. Svrha tretmana otpadnih voda je uklanjanje štetnih
materija čime se postiže smanjnje stepena njene zagađenosti, a istovremeno se ostvaruje i određen
ekonomski i ekološki efekat, stoga je u ovom radu izvršeno prečišćavanje otpadne vode postupkom
taloženja upotrebom kalcijum-oksida u cilju uklanjanja koloidnih materija i teških metala. Većina
zagađujućih materija su organskog porekla i njihovo ukljanjanje vršiće se primenom naprednih
oksidacionih procesa korišćenjem ozona i ozona u kombinaciji sa ultrazvukom u cilju postizanja
kvaliteta vode koji odgovara zakonskoj regulativi. Proces prečišćavanja će se optimizovati u
odnosu na tehnološki postupak, koncentraciju, vreme tretmana i količinu primenjenog oksidacionog
sredstva. Stepen zagađenosti vode organskim jedinjenjima će se određivati na osnovu merenja
HPK, BPK i koncentracije teških metala (olovo, gvožđe, hrom, bakar, cink, aluminijum)., Due to the development of industry and population growth during the in recent years,
there are problems with wastewater from production that needs to be addressed in an
environmentally and economical way. All wastewaters from industry, no matter how they are
created, contain harmful substances that may have some degree of toxicity, must be treated if their
quality does not meet the legal requirements. The purpose of wastewater treatment is to remove
harmful substances, thereby reducing its pollution level, and at the same time, it also has a certain
economic and environmental effect. Therefore, wastewater treatment was carried out in this work by precipitation using calcium oxide to remove colloidal substances and heavy metals. Most
pollutants are of organic origin and their removal will be carried in this work out using advanced
oxidation processes using ozone, and ozone in combination with ultrasound to achieve water
quality that complies with the law. The purification process will be optimized with respect to,
method, time and amount of oxidizing agent applied. The degree of pollution of water by organic
compounds will be determined on the basis of measurements of HPK, BOD and the concentration of
heavy metals (lead, ferrum, chromium, copper, zinc, aluminum).",
publisher = "Beograd : Beogradska politehnika",
journal = "Peti naučno-stručni skup Politehnika",
title = "Prečišćavanja otpadnih voda primenom ozonizacije",
pages = "147-142"
}

Kovačina, J., Milošević, M., Božić, A., Jovanović, A., Marinković, A., Onjia, A.,& Povrenović, D.. (2019). Prečišćavanja otpadnih voda primenom ozonizacije. in Peti naučno-stručni skup Politehnika
Beograd : Beogradska politehnika., 142-147.

Kovačina J, Milošević M, Božić A, Jovanović A, Marinković A, Onjia A, Povrenović D. Prečišćavanja otpadnih voda primenom ozonizacije. in Peti naučno-stručni skup Politehnika. 2019;:142-147..

Kovačina, Jovanka, Milošević, Milena, Božić, Aleksandra, Jovanović, Aleksandar, Marinković, Aleksandar, Onjia, Antonije, Povrenović, Dragan, "Prečišćavanja otpadnih voda primenom ozonizacije" in Peti naučno-stručni skup Politehnika (2019):142-147.