Ceramic membranes for photocatalytic water purification

The structure and photocatalytic properties of ceramic membranes synthesized on the basis of amorphous potassium polytitanate intercalated with nickel ions have been investigated. It is shown that the phase composition of the synthesized ceramic depends on the firing temperature: at 650°C it forms f...

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Bibliographic Details
Published in:Glass and ceramics 2011-09, Vol.68 (5-6), p.187-190
Main Authors: Gorokhovskii, A. V., Tret’yachenko, E. V., Goffman, V. G., Shcherbakova, N. N.
Format: Article
Language:English
Subjects:
Amorphous structure
Ceramic materials
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Crystal structure
Firing
Glass
Materials Science
Membranes
Natural Materials
Oxides
Photocatalysis
Potassium
Science for Ceramic Production
Titanates
Titanium base alloys
Titanium dioxide
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Summary:The structure and photocatalytic properties of ceramic membranes synthesized on the basis of amorphous potassium polytitanate intercalated with nickel ions have been investigated. It is shown that the phase composition of the synthesized ceramic depends on the firing temperature: at 650°C it forms from NiTiO 3 , TiO 2 and a residual potassium titanate amorphous phase; at 850°C—NiTiO 3 crystals, mainly present in the surface layer of TiO 2 membranes, and a complex oxide with the composition K(Ti, Ni)O 16.5 , which has a hollandite structure and is present mainly in the structure of the interior layers of the ceramic.
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-011-9349-1