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Photocatalytic degradation of p-chlorophenol by hybrid H^sub 2^O^sub 2^ and TiO^sub 2^ in aqueous suspensions under UV irradiation
In this study, TiO... particles were used as photocatalysts for the degradation of aqueous p-chlorophenol (p-CP) under UV irradiation. The effect of TiO2 dose (0-3 g/L), initial p-CP concentration, H...O... concentration (2-45 mM), solution pH (4.6-9.5), and UV light intensity on the degradation of p-CP were examined. Four oxidative degradation processes, which utilized UV alone (direct photolysis), H...O.../UV, TiO.../UV, and H...O.../TiO.../UV, were compared in a batch photoreactor with a 100-W high-pressure mercury lamp. The photodegradation of p-CP could be described by the pseudo-first-order kinetics according to the Langmuir-Hinshelwood model. Moreover, the apparent degradation rate constants increased considerably from 3.5 x 10... min... (direct photolysis) to 19.9 x 10... min... (H...O.../TiO.../UV system). (ProQuest: ... denotes formulae/symbols omitted.)
Photocatalytic degradation of p-chlorophenol by hybrid H^sub 2^O^sub 2^ and TiO^sub 2^ in aqueous suspensions under UV irradiation
In this study, TiO... particles were used as photocatalysts for the degradation of aqueous p-chlorophenol (p-CP) under UV irradiation. The effect of TiO2 dose (0-3 g/L), initial p-CP concentration, H...O... concentration (2-45 mM), solution pH (4.6-9.5), and UV light intensity on the degradation of p-CP were examined. Four oxidative degradation processes, which utilized UV alone (direct photolysis), H...O.../UV, TiO.../UV, and H...O.../TiO.../UV, were compared in a batch photoreactor with a 100-W high-pressure mercury lamp. The photodegradation of p-CP could be described by the pseudo-first-order kinetics according to the Langmuir-Hinshelwood model. Moreover, the apparent degradation rate constants increased considerably from 3.5 x 10... min... (direct photolysis) to 19.9 x 10... min... (H...O.../TiO.../UV system). (ProQuest: ... denotes formulae/symbols omitted.)
Photocatalytic degradation of p-chlorophenol by hybrid H^sub 2^O^sub 2^ and TiO^sub 2^ in aqueous suspensions under UV irradiation
Anh Thu Nguyen (author) / Ruey-Shin Juang
2015
Article (Journal)
English
BKL:
43.00
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