A characteristic and kinetic study on photo-degradation of dimethyl disulfide by S/ZN Co-doped TiO2 under visible light

Yi Hsing Lin; Chia Wen Chang; Chen Yi Lin; Hsin Chu

A characteristic and kinetic study on photo-degradation of dimethyl disulfide by S/ZN Co-doped TiO₂ under visible light

Yi Hsing Lin, Chia Wen Chang, Chen Yi Lin, Hsin Chu

環境工程學系

研究成果: Paper › 同行評審

摘要

Dimethyl-disulfide (DMDS) is one of sulfur-containing volatile organic compounds (VOCs) with high toxicity, irritating and strong corrosive. Photocatalytic oxidation has been widely reported as a good method to decompose organic environmental pollutants because of its non-toxicity, fast oxidation rate, and chemical stability. The sulfur and transition metal co-doped TiO₂ catalysts were prepared by a sol-gel method in this study. The physical and chemical properties of these photo-catalysts were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and Fourier transform-infrared spectroscopy. Compared to pure TiO₂ and S/TiO₂, sulfur and Zn co-doped TiO₂ catalysts can reduce lattice parameter and all photo-catalysts are anatase structures. The XPS spectra confirm that Zn²⁺ is adsorbed on the surface of TiO₂. S_0.05Zn_0.001/TiO₂ shows the best photocatalytic activity and S-VOCs tolerance for the degradation of dimethyl disulfide under visible irradiation.

原文	English
頁面	612-617
頁數	6
出版狀態	Published - 2014 一月 1
事件	13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014 - Hong Kong, Hong Kong 持續時間: 2014 七月 7 → 2014 七月 12

Other

Other	13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014
國家	Hong Kong
城市	Hong Kong
期間	14-07-07 → 14-07-12

All Science Journal Classification (ASJC) codes

Pollution
Building and Construction
Health, Toxicology and Mutagenesis
Computer Science Applications

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title = "A characteristic and kinetic study on photo-degradation of dimethyl disulfide by S/ZN Co-doped TiO2 under visible light",

abstract = "Dimethyl-disulfide (DMDS) is one of sulfur-containing volatile organic compounds (VOCs) with high toxicity, irritating and strong corrosive. Photocatalytic oxidation has been widely reported as a good method to decompose organic environmental pollutants because of its non-toxicity, fast oxidation rate, and chemical stability. The sulfur and transition metal co-doped TiO2 catalysts were prepared by a sol-gel method in this study. The physical and chemical properties of these photo-catalysts were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and Fourier transform-infrared spectroscopy. Compared to pure TiO2 and S/TiO2, sulfur and Zn co-doped TiO2 catalysts can reduce lattice parameter and all photo-catalysts are anatase structures. The XPS spectra confirm that Zn2+ is adsorbed on the surface of TiO2. S0.05Zn0.001/TiO2 shows the best photocatalytic activity and S-VOCs tolerance for the degradation of dimethyl disulfide under visible irradiation.",

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AU - Lin, Yi Hsing

AU - Chang, Chia Wen

AU - Lin, Chen Yi

AU - Chu, Hsin

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Dimethyl-disulfide (DMDS) is one of sulfur-containing volatile organic compounds (VOCs) with high toxicity, irritating and strong corrosive. Photocatalytic oxidation has been widely reported as a good method to decompose organic environmental pollutants because of its non-toxicity, fast oxidation rate, and chemical stability. The sulfur and transition metal co-doped TiO2 catalysts were prepared by a sol-gel method in this study. The physical and chemical properties of these photo-catalysts were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and Fourier transform-infrared spectroscopy. Compared to pure TiO2 and S/TiO2, sulfur and Zn co-doped TiO2 catalysts can reduce lattice parameter and all photo-catalysts are anatase structures. The XPS spectra confirm that Zn2+ is adsorbed on the surface of TiO2. S0.05Zn0.001/TiO2 shows the best photocatalytic activity and S-VOCs tolerance for the degradation of dimethyl disulfide under visible irradiation.

AB - Dimethyl-disulfide (DMDS) is one of sulfur-containing volatile organic compounds (VOCs) with high toxicity, irritating and strong corrosive. Photocatalytic oxidation has been widely reported as a good method to decompose organic environmental pollutants because of its non-toxicity, fast oxidation rate, and chemical stability. The sulfur and transition metal co-doped TiO2 catalysts were prepared by a sol-gel method in this study. The physical and chemical properties of these photo-catalysts were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and Fourier transform-infrared spectroscopy. Compared to pure TiO2 and S/TiO2, sulfur and Zn co-doped TiO2 catalysts can reduce lattice parameter and all photo-catalysts are anatase structures. The XPS spectra confirm that Zn2+ is adsorbed on the surface of TiO2. S0.05Zn0.001/TiO2 shows the best photocatalytic activity and S-VOCs tolerance for the degradation of dimethyl disulfide under visible irradiation.

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