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Mechanical preparat...
Mechanical preparation of nano titanium dioxide powder and its optical properties
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- Fan, Y. (author)
- Institute of Material Science and Engineering, South China University of Technology, Guangzhou
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Yanmin, Wang (author)
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- Xie, P. (author)
- Institute of Material Science and Engineering, South China University of Technology, Guangzhou
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- Li, X. (author)
- Institute of Material Science and Engineering, South China University of Technology, Guangzhou
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- Pan, Z. (author)
- Institute of Material Science and Engineering, South China University of Technology, Guangzhou
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(creator_code:org_t)
- 2007
- 2007
- Chinese.
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In: Journal of the Chinese Ceramic Society. - 0454-5648. ; 35:7, s. 832-837
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Subject headings
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- mechanical preparation of the nano-sized particles of TiO2 powder by a stirred bead mill was investigated. The particle sizes of the ground products were determined by the acoustic particle sizer, the nitrogen gas adsorption method and a scanning electron microscopy. The diameter of the nano-sized particles, which were obtained after milling for 7 h, is about 50 nm and the specific surface area is up to 70 m2/g. The surface and structure of the samples have been investigated with X-ray diffraction. It is indicated that an intense comminution in the mill leads to a progressive loss in crystallinity of TiO2. The catalytic degradation of methyl orange in water was also studied by a photometer. The results show that the nano-sized particles of TiO2 powder prepared by milling possess photocatalysis effect and are capable of absorption of ultraviolet radiation
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- Mineral Processing
- Mineralteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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