Preparation of supported nano-TiO2 photocatalyst and photocatalytic decomposition for SO2 and NOx

TiO 2 supported photocatalyst was prepared by liquid-phase deposition method. The performance of TiO 2 photocatalyst was characterized by SEM and XRD. The anatase TiO 2 existed and the particle size of TiO 2 photocatalyst was 21.8nm, the structure of TiO 2 photocatalyst was uniform and compact. Coat...

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Bibliographic Details
Published in2011 International Conference on Materials for Renewable Energy & Environment Vol. 2; pp. 1384 - 1387
Main Authors Li Zhao, Yinjie Liu, Zhaoyu Liu
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2011
Subjects
Lighting
Microstructure
photocatalytic decomposition
SO 2 and NO x
supported nano-TiO 2
Temperature
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Summary:TiO 2 supported photocatalyst was prepared by liquid-phase deposition method. The performance of TiO 2 photocatalyst was characterized by SEM and XRD. The anatase TiO 2 existed and the particle size of TiO 2 photocatalyst was 21.8nm, the structure of TiO 2 photocatalyst was uniform and compact. Coated TiO 2 quantum of 4-6mm particle size sand, initial concentration of 20mg/L methylene blue, and condition of pH acidity had a high photocatalytic degradation efficiency on methylene blue. Supported nano-TiO 2 photocatalyst exhibited good photocatalytic activity and stability. The photocatalytic decomposition of NO x showed that under optimum experimental conditions, initial concentration in 930mg/m 3 , the removal efficiency for NO x reached above 53%.The degradation of SO 2 at high concentration level was carried out on the self-made photoreactor, and the removal efficiency of SO 2 was about 98%, and the higher removal efficiency of NO x and SO 2 was obtained in this experiment.
ISBN:9781612847498
1612847498
DOI:10.1109/ICMREE.2011.5930593