Effect of inorganic ions, photosensitisers and scavengers on the photocatalytic degradation of nicosulfuron
Samo za registrovane korisnike
2017
Autori
Dugandžić, Ana M.Tomašević, Anđelka
Radišić, Marina
Šekuljica, Nataša
Mijin, Dušan
Petrović, Slobodan
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
In the present study, the photocatalytic degradation of nicosulfuron, using TiO2 as a catalyst under UV light (315-400 nm), was studied. The optimization of the nicosulfuron photodegradation was performed. It was found that the optimal concentration of the catalyst was 1 g L-1 at concentration of nicosulfuron solution of 20 mg L-1 while the highest reaction rate was obtained using 2 g L-1. The degradation rate was the highest at pH .= 5.0. Effects of anions (Cl-, SO42- NO3- and F-) and cations (Na+, Ca2+, Al3+) were investigated. In addition, the influence of isopropanol, acetone, and hydrogen peroxide was studied. It was shown that the photocatalytic degradation is mainly due to the reaction of nicosulfuron with (OH)-O-center dot in solution. Also, liquid chromatography coupled with mass spectrometry (HPLC-MS) was used to identify intermediates during the photocatalytic degradation of nicosulfuron. the mineralization was monitored with ion chromatography (IC) and total organic carbon ...(TOC) analysis. Although 100% HPLC removal of nicosulfuron was achieved, only 69% TOC removal after 90 min was recorded. The results of ion chromatography showed that the mineralization resulted in ammonium and nitrate ions during the process. The phytotoxicity experiments using mung bean seeds showed a reduction in phytotoxicity.
Ključne reči:
Titanium dioxide / Optimization / Inorganic ions / Acetone / Isopropanol / Hydrogen peroxideIzvor:
Journal of Photochemistry and Photobiology A-Chemistry, 2017, 336, 146-155Izdavač:
- Elsevier Science Sa, Lausanne
Finansiranje / projekti:
- Proučavanje sinteze, strukture i aktivnosti organskih jedinjenja prirodnog i sintetskog porekla (RS-172013)
- Razvoj i primena metoda i materijala za monitoring novih zagađujućih i toksičnih organskih materija i teških metala (RS-172007)
- Razvoj integrisanih sistema upravljanja štetnim organizmima u biljnoj proizvodnji sa ciljem prevazilaženja rezistentnosti i unapređenja kvaliteta i bezbednosti hrane (RS-46008)
DOI: 10.1016/j.jphotochem.2016.12.031
ISSN: 1010-6030
WoS: 000394074500018
Scopus: 2-s2.0-85008684241
Kolekcije
Institucija/grupa
Tehnološko-metalurški fakultetTY - JOUR AU - Dugandžić, Ana M. AU - Tomašević, Anđelka AU - Radišić, Marina AU - Šekuljica, Nataša AU - Mijin, Dušan AU - Petrović, Slobodan PY - 2017 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3701 AB - In the present study, the photocatalytic degradation of nicosulfuron, using TiO2 as a catalyst under UV light (315-400 nm), was studied. The optimization of the nicosulfuron photodegradation was performed. It was found that the optimal concentration of the catalyst was 1 g L-1 at concentration of nicosulfuron solution of 20 mg L-1 while the highest reaction rate was obtained using 2 g L-1. The degradation rate was the highest at pH .= 5.0. Effects of anions (Cl-, SO42- NO3- and F-) and cations (Na+, Ca2+, Al3+) were investigated. In addition, the influence of isopropanol, acetone, and hydrogen peroxide was studied. It was shown that the photocatalytic degradation is mainly due to the reaction of nicosulfuron with (OH)-O-center dot in solution. Also, liquid chromatography coupled with mass spectrometry (HPLC-MS) was used to identify intermediates during the photocatalytic degradation of nicosulfuron. the mineralization was monitored with ion chromatography (IC) and total organic carbon (TOC) analysis. Although 100% HPLC removal of nicosulfuron was achieved, only 69% TOC removal after 90 min was recorded. The results of ion chromatography showed that the mineralization resulted in ammonium and nitrate ions during the process. The phytotoxicity experiments using mung bean seeds showed a reduction in phytotoxicity. PB - Elsevier Science Sa, Lausanne T2 - Journal of Photochemistry and Photobiology A-Chemistry T1 - Effect of inorganic ions, photosensitisers and scavengers on the photocatalytic degradation of nicosulfuron EP - 155 SP - 146 VL - 336 DO - 10.1016/j.jphotochem.2016.12.031 ER -
@article{ author = "Dugandžić, Ana M. and Tomašević, Anđelka and Radišić, Marina and Šekuljica, Nataša and Mijin, Dušan and Petrović, Slobodan", year = "2017", abstract = "In the present study, the photocatalytic degradation of nicosulfuron, using TiO2 as a catalyst under UV light (315-400 nm), was studied. The optimization of the nicosulfuron photodegradation was performed. It was found that the optimal concentration of the catalyst was 1 g L-1 at concentration of nicosulfuron solution of 20 mg L-1 while the highest reaction rate was obtained using 2 g L-1. The degradation rate was the highest at pH .= 5.0. Effects of anions (Cl-, SO42- NO3- and F-) and cations (Na+, Ca2+, Al3+) were investigated. In addition, the influence of isopropanol, acetone, and hydrogen peroxide was studied. It was shown that the photocatalytic degradation is mainly due to the reaction of nicosulfuron with (OH)-O-center dot in solution. Also, liquid chromatography coupled with mass spectrometry (HPLC-MS) was used to identify intermediates during the photocatalytic degradation of nicosulfuron. the mineralization was monitored with ion chromatography (IC) and total organic carbon (TOC) analysis. Although 100% HPLC removal of nicosulfuron was achieved, only 69% TOC removal after 90 min was recorded. The results of ion chromatography showed that the mineralization resulted in ammonium and nitrate ions during the process. The phytotoxicity experiments using mung bean seeds showed a reduction in phytotoxicity.", publisher = "Elsevier Science Sa, Lausanne", journal = "Journal of Photochemistry and Photobiology A-Chemistry", title = "Effect of inorganic ions, photosensitisers and scavengers on the photocatalytic degradation of nicosulfuron", pages = "155-146", volume = "336", doi = "10.1016/j.jphotochem.2016.12.031" }
Dugandžić, A. M., Tomašević, A., Radišić, M., Šekuljica, N., Mijin, D.,& Petrović, S.. (2017). Effect of inorganic ions, photosensitisers and scavengers on the photocatalytic degradation of nicosulfuron. in Journal of Photochemistry and Photobiology A-Chemistry Elsevier Science Sa, Lausanne., 336, 146-155. https://doi.org/10.1016/j.jphotochem.2016.12.031
Dugandžić AM, Tomašević A, Radišić M, Šekuljica N, Mijin D, Petrović S. Effect of inorganic ions, photosensitisers and scavengers on the photocatalytic degradation of nicosulfuron. in Journal of Photochemistry and Photobiology A-Chemistry. 2017;336:146-155. doi:10.1016/j.jphotochem.2016.12.031 .
Dugandžić, Ana M., Tomašević, Anđelka, Radišić, Marina, Šekuljica, Nataša, Mijin, Dušan, Petrović, Slobodan, "Effect of inorganic ions, photosensitisers and scavengers on the photocatalytic degradation of nicosulfuron" in Journal of Photochemistry and Photobiology A-Chemistry, 336 (2017):146-155, https://doi.org/10.1016/j.jphotochem.2016.12.031 . .