Photocatalytic efficiency of titania photocatalysts in saline waters
Autori
Albrbar, Asma JumaBjelajac, Anđelika
Đokić, Veljko
Miladinović, Jelena
Janaćković, Đorđe
Petrović, Rada
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
The photocatalytic efficiency of a recently synthesized TiO2 powder, denoted P160, for the degradation of the Dye C.I. Reactive Orange 16 in natural and artificial seawater was investigated in comparison to its efficiency in deionized water and the efficiency of a standard TiO2 powder, Degusa P25. It was shown that the photocatalytic efficiency of P160 was slightly higher than that of P25, probably due to slightly higher specific surface area, higher pore volume and larger pores of the powder P160. The efficiency of both photocatalysts in natural and artificial seawater was significantly lower than in deionized water. The overall rate of dye degradation for both types of photocatalysts was slightly higher in artificial seawater than in natural seawater, which shows the influence of organic compounds naturally present in seawater on the photocatalysts activity. A saturation Langmuir-type relationship between the initial degradation rate and the initial dye concentration indicated that a...dsorption plays a role in the photocatalytic reaction. The photodegradation rate constant, k, which represents the maximum reaction rate, had similar values for P25 and P160 in all types of water due to the similar properties of the photocatalysts.
Ključne reči:
photocatalysis / titanium dioxide / dye degradation / seawater / Langmuir-Hinshelwood modelIzvor:
Journal of the Serbian Chemical Society, 2014, 79, 9, 1127-1140Izdavač:
- Srpsko hemijsko društvo, Beograd
Finansiranje / projekti:
DOI: 10.2298/JSC131114020A
ISSN: 0352-5139
WoS: 000342524500007
Scopus: 2-s2.0-84918538540
Kolekcije
Institucija/grupa
Tehnološko-metalurški fakultetTY - JOUR AU - Albrbar, Asma Juma AU - Bjelajac, Anđelika AU - Đokić, Veljko AU - Miladinović, Jelena AU - Janaćković, Đorđe AU - Petrović, Rada PY - 2014 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2730 AB - The photocatalytic efficiency of a recently synthesized TiO2 powder, denoted P160, for the degradation of the Dye C.I. Reactive Orange 16 in natural and artificial seawater was investigated in comparison to its efficiency in deionized water and the efficiency of a standard TiO2 powder, Degusa P25. It was shown that the photocatalytic efficiency of P160 was slightly higher than that of P25, probably due to slightly higher specific surface area, higher pore volume and larger pores of the powder P160. The efficiency of both photocatalysts in natural and artificial seawater was significantly lower than in deionized water. The overall rate of dye degradation for both types of photocatalysts was slightly higher in artificial seawater than in natural seawater, which shows the influence of organic compounds naturally present in seawater on the photocatalysts activity. A saturation Langmuir-type relationship between the initial degradation rate and the initial dye concentration indicated that adsorption plays a role in the photocatalytic reaction. The photodegradation rate constant, k, which represents the maximum reaction rate, had similar values for P25 and P160 in all types of water due to the similar properties of the photocatalysts. PB - Srpsko hemijsko društvo, Beograd T2 - Journal of the Serbian Chemical Society T1 - Photocatalytic efficiency of titania photocatalysts in saline waters EP - 1140 IS - 9 SP - 1127 VL - 79 DO - 10.2298/JSC131114020A ER -
@article{ author = "Albrbar, Asma Juma and Bjelajac, Anđelika and Đokić, Veljko and Miladinović, Jelena and Janaćković, Đorđe and Petrović, Rada", year = "2014", abstract = "The photocatalytic efficiency of a recently synthesized TiO2 powder, denoted P160, for the degradation of the Dye C.I. Reactive Orange 16 in natural and artificial seawater was investigated in comparison to its efficiency in deionized water and the efficiency of a standard TiO2 powder, Degusa P25. It was shown that the photocatalytic efficiency of P160 was slightly higher than that of P25, probably due to slightly higher specific surface area, higher pore volume and larger pores of the powder P160. The efficiency of both photocatalysts in natural and artificial seawater was significantly lower than in deionized water. The overall rate of dye degradation for both types of photocatalysts was slightly higher in artificial seawater than in natural seawater, which shows the influence of organic compounds naturally present in seawater on the photocatalysts activity. A saturation Langmuir-type relationship between the initial degradation rate and the initial dye concentration indicated that adsorption plays a role in the photocatalytic reaction. The photodegradation rate constant, k, which represents the maximum reaction rate, had similar values for P25 and P160 in all types of water due to the similar properties of the photocatalysts.", publisher = "Srpsko hemijsko društvo, Beograd", journal = "Journal of the Serbian Chemical Society", title = "Photocatalytic efficiency of titania photocatalysts in saline waters", pages = "1140-1127", number = "9", volume = "79", doi = "10.2298/JSC131114020A" }
Albrbar, A. J., Bjelajac, A., Đokić, V., Miladinović, J., Janaćković, Đ.,& Petrović, R.. (2014). Photocatalytic efficiency of titania photocatalysts in saline waters. in Journal of the Serbian Chemical Society Srpsko hemijsko društvo, Beograd., 79(9), 1127-1140. https://doi.org/10.2298/JSC131114020A
Albrbar AJ, Bjelajac A, Đokić V, Miladinović J, Janaćković Đ, Petrović R. Photocatalytic efficiency of titania photocatalysts in saline waters. in Journal of the Serbian Chemical Society. 2014;79(9):1127-1140. doi:10.2298/JSC131114020A .
Albrbar, Asma Juma, Bjelajac, Anđelika, Đokić, Veljko, Miladinović, Jelena, Janaćković, Đorđe, Petrović, Rada, "Photocatalytic efficiency of titania photocatalysts in saline waters" in Journal of the Serbian Chemical Society, 79, no. 9 (2014):1127-1140, https://doi.org/10.2298/JSC131114020A . .