Kinetic study and model of the photocatalytic degradation of rhodamine B (RhB) by a TiO2-coated activated carbon catalyst: Effects of initial RhB content, light intensity and TiO2 content in the catalyst

Li, Youji; Sun, Shuguo; Ma, Mingyuan; Yu-zhu, Ouyang; Yan, Wei

doi:10.1016/j.cej.2008.01.009

Cited by 198 publications

(73 citation statements)

References 39 publications

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“…The photodegradation of most organic compounds is described by the pseudo first-order reaction that follows the LangmuirHinshelwood (LÀH) kinetic model [28,29,[32][33][34].…”

Section: Photocatalytic Degradation Kinetics Modelmentioning

confidence: 99%

Solar light induced rhodamine B degradation assisted by TiO2–Zn–Al LDH based photocatalysts

Hadnadjev-Kostic

Vulic

Marinković‐Nedučin

2014

Advanced Powder Technology

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“…The photodegradation of most organic compounds is described by the pseudo first-order reaction that follows the LangmuirHinshelwood (LÀH) kinetic model [28,29,[32][33][34].…”

Section: Photocatalytic Degradation Kinetics Modelmentioning

confidence: 99%

Solar light induced rhodamine B degradation assisted by TiO2–Zn–Al LDH based photocatalysts

Hadnadjev-Kostic

Vulic

Marinković‐Nedučin

2014

Advanced Powder Technology

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“…The apparent pseudo first order rate constant (k app ) is dependent on the initial concentration (C o ) and the chromate reduction is well described by the modified Langmuir-Hinshelwood model [21]:…”

Section: Photocatalysismentioning

confidence: 99%

Photocatalytic reduction of Cr(VI) on the novel hetero-system CuFe2O4/CdS

Nasrallah

Kebir

Koudri

et al. 2011

Journal of Hazardous Materials

111

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“…4,[10][11][12][13][14] Composites such as TiO2/carbon have also been reported. 15 Physical modification of TiO2 with small amounts of transition metal cations such as vanadium and chromium extends the absorption up to 550 nm and makes it active under UV as well as sunlight. 16 Deposition of noble metals such as Pt, Pd, Au, Ag etc.…”

Section: Introductionmentioning

confidence: 99%

MnO2 AND MnO2/TiO2 MEDIATED, PERSULPHATE ENHANCED PHOTOCATALYSIS FOR THE REMOVAL OF INDIGO CARMINE DYE POLLUTANT FROM WATER

Lekshmi¹,

Yesodharan²,

Yesodharan³

2017

ECB

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Heterogeneous photocatalysis using UV/VIS light or natural solar radiation as the energy source is one of the most efficient advanced oxidation processes (AOP) for the removal of chemical and bacterial pollutants from water. One of the least investigated oxides in this context, i.e. MnO2 and its combination MnO2/TiO2 are examined as potential photocatalysts for the removal of Indigo carmine (IC) dye pollutant from the water. The catalysts are characterized by XRD, FTIR, SEM, TEM, adsorption and surface area measurements. While MnO2 is very efficient for the decolorization of the dye, it is not effective enough for mineralization. MnO2 /TiO2 as the photocatalyst at the optimized ratio of 9:1 combines the advantages of both the oxides, i.e., rapid decolorization and efficient mineralization. Persulphate (S2O8 2-) enhances the degradation while H2O2 inhibits the same. The degradation is dependent on pH with higher degradation under extremely acidic conditions. The influence of dissolved salts/anions in the water on the degradation varies from 'moderate inhibition' to 'no effect' or even 'enhancement' depending on the chemistry of the anion and reaction conditions. Effect of various parameters such as reaction time, substrate concentration, catalyst dosage, the presence of O2, recycling of the catalyst, etc. on the efficiency of degradation is investigated. The results are critically analyzed, and a tentative mechanism is proposed.

show abstract

Kinetic study and model of the photocatalytic degradation of rhodamine B (RhB) by a TiO2-coated activated carbon catalyst: Effects of initial RhB content, light intensity and TiO2 content in the catalyst

Cited by 198 publications

References 39 publications

Solar light induced rhodamine B degradation assisted by TiO2–Zn–Al LDH based photocatalysts

Solar light induced rhodamine B degradation assisted by TiO2–Zn–Al LDH based photocatalysts

Photocatalytic reduction of Cr(VI) on the novel hetero-system CuFe2O4/CdS

MnO2 AND MnO2/TiO2 MEDIATED, PERSULPHATE ENHANCED PHOTOCATALYSIS FOR THE REMOVAL OF INDIGO CARMINE DYE POLLUTANT FROM WATER

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