Session E: Nano-Structured Materials, Biomedical Materials and Materials SimulationNo Access

PHOTOCATALYTIC DEGRADATION PROPERTY OF NANO-TiO₂/DIATOMITE FOR RODAMINE B DYE WASTEWATER

School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, People's Republic of China

National Laboratory of Mineral Materials, China University of Geosciences, Beijing 100083, People's Republic of China

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SHUILIN ZHENG

School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, People's Republic of China

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GAOXIANG DU

School of Materials Science and Technology, China University of Geosciences, Beijing 100083, People's Republic of China

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FENG SHU

School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, People's Republic of China

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JUNTAO CHEN

School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, People's Republic of China

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https://doi.org/10.1142/S0217979209061469Cited by:11 (Source: Crossref)

Abstract

The Nano-TiO₂/Diatomite compound photocatalyst is used to degrade rhodamine B dye wastewater in photochemical reactor. The test result indicates that the rate of photodegradation of rhodamine B is influenced by reactive conditions. The best technical conditions are concentration of rhodamine B solution 10mg/L, ultraviolet light 300W, the compound photocatalyst amount used 1g/L, the pH 5.8, reaction time 20min. Under these conditions the rate of photodegradation of rhodamine B may reach as high as 97.80%. And the efficiency of photodegradation of catalyst only has a little changed in recycling.

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