1. bookVolume 31 (2013): Issue 3 (August 2013)
Journal Details
License
Format
Journal
eISSN
2083-134X
ISSN
2083-1331
First Published
16 Apr 2011
Publication timeframe
4 times per year
Languages
English
access type Open Access

Preparation of TiO2/Al-MCM-41 mesoporous materials from coal-series kaolin and photodegradation of methyl orange

Published Online: 29 Aug 2013
Volume & Issue: Volume 31 (2013) - Issue 3 (August 2013)
Page range: 372 - 377
Journal Details
License
Format
Journal
eISSN
2083-134X
ISSN
2083-1331
First Published
16 Apr 2011
Publication timeframe
4 times per year
Languages
English
Abstract

TiO2/Al-MCM-41 mesoporous materials were prepared via sol-gel method by loading titania onto Al-MCM-41 mesoporous molecular sieve by hydrothermal treatment from coal-series kaolin as raw material. The TiO2/Al-MCM-41 mesoporous materials were characterized by XRD, FT-IR, HRTEM, N2 adsorption-desorption and the photocatalytic degradation of methyl orange solution under visible light irradiation. The results showed that the TiO2/Al-MCM-41 mesoporous materials possessed a high surface area of 369.9–751.3 m2/g and a homogeneous pore diameters of 2.3–2.8 nm. The titania crystalline phase was anatase, and the particles size of TiO2 increased with TiO2 content. The Al-MCM-41 mesoporous materials exhibited excellent photodegradation activity under visible-light irradiation for methyl orange.

Keywords

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