A study of the photocatalytic degradation of the textile dye CI Basic Yellow 28 in water using a P160 TiO2-based catalyst
Proučavanje fotokatalitičke degradacije tekstilne boje CI Basic Yellow 28 u vodi koristeći P160 katalizator na bazi TiO2
Authors
Đokić, Veljko
Vujović, Jelena
Marinković, Aleksandar

Petrović, Rada

Janaćković, Đorđe

Onjia, Antonije

Mijin, Dušan

Article (Published version)
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The photocatalytic degradation of the synthetic textile dye CI Basic Yellow 28 (BY28) in water, using a recently synthesized P160 TiO2-based catalyst, under Osram ultra-vitalux® lamp (300 W) light, was studied. The effects of the operational parameters, such as initial concentration of catalyst, initial dye concentration and pH, were studied. The salt effect (NaCl, Na2CO3, Na2SO4 and NaNO3) was also investigated. It was found that the optimal concentration of catalyst is 2.0 g L-1. A pseudo first-order kinetic model was illustrated using the Langmuir-Hinshelwood mechanism and the adsorption equilibrium constant and the rate constant of the surface reaction were calculated (KBY = 6.126 L mg-1 and kC = 0.272 mg L-1 min-1, respectively). The photodegradation rate was higher in weak acidic than in high acidic and alkaline conditions. The presence of CO32- ions increased the photodegradation rate while Cl-, SO42- and NO3- decreased the reaction rate. The rate of photodegradation of BY28 was... measured using UV-Vis spectroscopy.
U radu je proučavana fotokatalitička degradacija sintetske tekstilne boje CI Basic Yellow 28 u vodi, koristeći nedavno sintetisani katalizator na bazi P160 TiO2, i Osram ultra-vitalux® lampu (300 W). Proučavan je uticaj različitih parametara na reakciju, kao što su: početna koncentracija katalizatora, početna koncentracija boje, prisustvo soli (NaCl, Na2CO3, Na2SO4 i NaNO3) i pH. Utvrđeno je da je optimalna koncentracija katalizatora 2,0 g L-1. Koristeći Langmuir-Hinshelwood mehanizam određene su ravnotežna adsorpciona konstanta i konstanta brzine površinske reakcije (KBY = 6,126 L mg-1 i kC = 0,272 mg L-1 min-1). Brzina reakcije je veća u slabo kiseloj sredini u poređenju sa jako kiselom ili baznom sredinom. Prisustvo CO32- povećava brzinu reakcije fotodegradacije dok je Cl-, SO 2- i NO3-smanjuju.
Keywords:
TiO2 / photocatalysis / pseudo first-order kinetic model / Langmuir-Hinshelwood mechanism / salt effectSource:
Journal of the Serbian Chemical Society, 2012, 77, 12, 1747-1757Publisher:
- Serbian Chemical Society, Belgrade
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Tehnološko-metalurški fakultetTY - JOUR AU - Đokić, Veljko AU - Vujović, Jelena AU - Marinković, Aleksandar AU - Petrović, Rada AU - Janaćković, Đorđe AU - Onjia, Antonije AU - Mijin, Dušan PY - 2012 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2076 AB - The photocatalytic degradation of the synthetic textile dye CI Basic Yellow 28 (BY28) in water, using a recently synthesized P160 TiO2-based catalyst, under Osram ultra-vitalux® lamp (300 W) light, was studied. The effects of the operational parameters, such as initial concentration of catalyst, initial dye concentration and pH, were studied. The salt effect (NaCl, Na2CO3, Na2SO4 and NaNO3) was also investigated. It was found that the optimal concentration of catalyst is 2.0 g L-1. A pseudo first-order kinetic model was illustrated using the Langmuir-Hinshelwood mechanism and the adsorption equilibrium constant and the rate constant of the surface reaction were calculated (KBY = 6.126 L mg-1 and kC = 0.272 mg L-1 min-1, respectively). The photodegradation rate was higher in weak acidic than in high acidic and alkaline conditions. The presence of CO32- ions increased the photodegradation rate while Cl-, SO42- and NO3- decreased the reaction rate. The rate of photodegradation of BY28 was measured using UV-Vis spectroscopy. AB - U radu je proučavana fotokatalitička degradacija sintetske tekstilne boje CI Basic Yellow 28 u vodi, koristeći nedavno sintetisani katalizator na bazi P160 TiO2, i Osram ultra-vitalux® lampu (300 W). Proučavan je uticaj različitih parametara na reakciju, kao što su: početna koncentracija katalizatora, početna koncentracija boje, prisustvo soli (NaCl, Na2CO3, Na2SO4 i NaNO3) i pH. Utvrđeno je da je optimalna koncentracija katalizatora 2,0 g L-1. Koristeći Langmuir-Hinshelwood mehanizam određene su ravnotežna adsorpciona konstanta i konstanta brzine površinske reakcije (KBY = 6,126 L mg-1 i kC = 0,272 mg L-1 min-1). Brzina reakcije je veća u slabo kiseloj sredini u poređenju sa jako kiselom ili baznom sredinom. Prisustvo CO32- povećava brzinu reakcije fotodegradacije dok je Cl-, SO 2- i NO3-smanjuju. PB - Serbian Chemical Society, Belgrade T2 - Journal of the Serbian Chemical Society T1 - A study of the photocatalytic degradation of the textile dye CI Basic Yellow 28 in water using a P160 TiO2-based catalyst T1 - Proučavanje fotokatalitičke degradacije tekstilne boje CI Basic Yellow 28 u vodi koristeći P160 katalizator na bazi TiO2 EP - 1757 IS - 12 SP - 1747 VL - 77 UR - https://hdl.handle.net/21.15107/rcub_technorep_2076 ER -
@article{ author = "Đokić, Veljko and Vujović, Jelena and Marinković, Aleksandar and Petrović, Rada and Janaćković, Đorđe and Onjia, Antonije and Mijin, Dušan", year = "2012", abstract = "The photocatalytic degradation of the synthetic textile dye CI Basic Yellow 28 (BY28) in water, using a recently synthesized P160 TiO2-based catalyst, under Osram ultra-vitalux® lamp (300 W) light, was studied. The effects of the operational parameters, such as initial concentration of catalyst, initial dye concentration and pH, were studied. The salt effect (NaCl, Na2CO3, Na2SO4 and NaNO3) was also investigated. It was found that the optimal concentration of catalyst is 2.0 g L-1. A pseudo first-order kinetic model was illustrated using the Langmuir-Hinshelwood mechanism and the adsorption equilibrium constant and the rate constant of the surface reaction were calculated (KBY = 6.126 L mg-1 and kC = 0.272 mg L-1 min-1, respectively). The photodegradation rate was higher in weak acidic than in high acidic and alkaline conditions. The presence of CO32- ions increased the photodegradation rate while Cl-, SO42- and NO3- decreased the reaction rate. The rate of photodegradation of BY28 was measured using UV-Vis spectroscopy., U radu je proučavana fotokatalitička degradacija sintetske tekstilne boje CI Basic Yellow 28 u vodi, koristeći nedavno sintetisani katalizator na bazi P160 TiO2, i Osram ultra-vitalux® lampu (300 W). Proučavan je uticaj različitih parametara na reakciju, kao što su: početna koncentracija katalizatora, početna koncentracija boje, prisustvo soli (NaCl, Na2CO3, Na2SO4 i NaNO3) i pH. Utvrđeno je da je optimalna koncentracija katalizatora 2,0 g L-1. Koristeći Langmuir-Hinshelwood mehanizam određene su ravnotežna adsorpciona konstanta i konstanta brzine površinske reakcije (KBY = 6,126 L mg-1 i kC = 0,272 mg L-1 min-1). Brzina reakcije je veća u slabo kiseloj sredini u poređenju sa jako kiselom ili baznom sredinom. Prisustvo CO32- povećava brzinu reakcije fotodegradacije dok je Cl-, SO 2- i NO3-smanjuju.", publisher = "Serbian Chemical Society, Belgrade", journal = "Journal of the Serbian Chemical Society", title = "A study of the photocatalytic degradation of the textile dye CI Basic Yellow 28 in water using a P160 TiO2-based catalyst, Proučavanje fotokatalitičke degradacije tekstilne boje CI Basic Yellow 28 u vodi koristeći P160 katalizator na bazi TiO2", pages = "1757-1747", number = "12", volume = "77", url = "https://hdl.handle.net/21.15107/rcub_technorep_2076" }
Đokić, V., Vujović, J., Marinković, A., Petrović, R., Janaćković, Đ., Onjia, A.,& Mijin, D.. (2012). A study of the photocatalytic degradation of the textile dye CI Basic Yellow 28 in water using a P160 TiO2-based catalyst. in Journal of the Serbian Chemical Society Serbian Chemical Society, Belgrade., 77(12), 1747-1757. https://hdl.handle.net/21.15107/rcub_technorep_2076
Đokić V, Vujović J, Marinković A, Petrović R, Janaćković Đ, Onjia A, Mijin D. A study of the photocatalytic degradation of the textile dye CI Basic Yellow 28 in water using a P160 TiO2-based catalyst. in Journal of the Serbian Chemical Society. 2012;77(12):1747-1757. https://hdl.handle.net/21.15107/rcub_technorep_2076 .
Đokić, Veljko, Vujović, Jelena, Marinković, Aleksandar, Petrović, Rada, Janaćković, Đorđe, Onjia, Antonije, Mijin, Dušan, "A study of the photocatalytic degradation of the textile dye CI Basic Yellow 28 in water using a P160 TiO2-based catalyst" in Journal of the Serbian Chemical Society, 77, no. 12 (2012):1747-1757, https://hdl.handle.net/21.15107/rcub_technorep_2076 .