Pseudobrookite-type MgTi2O5 water purification filter with controlled particle morphology

Pseudobrookite-type oxide-based ceramics, such as Al2TiO5 and MgTi2O5, have recently been studied as porous ceramic membranes. Here, the effect of LiF doping on the morphology of MgTi2O5 particles is presented in detail. Water purification filters were produced using porous MgTi2O5, with different p...

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Bibliographic Details
Published inJournal of Asian Ceramic Societies Vol. 3; no. 3; pp. 334 - 338
Main Authors Nakagoshi, Yuta, Suzuki, Yoshikazu
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.09.2015
Taylor & Francis Group
Subjects
LiF mineralizer
MgTi2O5
Porous ceramics
Separation efficiency
Water purification
LiF mineralizer
MgTi2O5
Porous ceramics
Water purification
Separation efficiency
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Summary:Pseudobrookite-type oxide-based ceramics, such as Al2TiO5 and MgTi2O5, have recently been studied as porous ceramic membranes. Here, the effect of LiF doping on the morphology of MgTi2O5 particles is presented in detail. Water purification filters were produced using porous MgTi2O5, with different particle morphologies. MgCO3 (basic) and TiO2 powders with various LiF contents were wet-ball milled, dried, and then, calcined in air at 1100°C to obtain the MgTi2O5 powders. The powder compacts were sintered at 1000–1200°C to produce the MgTi2O5 disk filters. The 0.5wt.% LiF-doped MgTi2O5 disk filter, with elongated grains, showed well-balanced performance removing boehmite particles with diameter of 0.7μm. Non-doped MgTi2O5 disk filter with equiaxed grains was suitable for precise filtration.
ISSN:2187-0764
2187-0764
DOI:10.1016/j.jascer.2015.06.005