Article : texte imprimé

Buoyant photocatalyst with greatly enhanced visible-light activity prepared through a low temperature hydrothermal method

Hui Han, Auteur ; Renbi Bai, Auteur |

Dans Industrial & engineering chemistry research (Vol. 48 N° 6, Mars 2009)

In this study, TiO2 was modified and immobilized on polypropylene (PP) granules to prepare buoyant photocatalyst with visible light activity. The TiO2 nano-sol was first prepared from titanium n-butoxide (Ti(OBu)4) in the presence of acetyl acet[...]

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Coating of TiO2 Thin Films on the Surface of SiO2 Microspheres: Toward Industrial Photocatalysis

Gang Li, Auteur ; Renbi Bai, Auteur ; X. S. Zhao, Auteur |

Dans Industrial & engineering chemistry research (Vol. 47 n°21, Novembre 2008)

A core/shell SiO2/TiO2 photocatalyst was prepared using a liquid-phase deposition (LPD) method. Zeta-potential measurement showed that deposition of a layer of polyelectrolyte on the surface of SiO2 microspheres was a prerequisite for subsequent[...]

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Effect of thickness of photocatalyst film immobilized on a buoyant substrate on the degradation of methyl orange dye in aqueous solutions under different light irradiations

Hui Han, Auteur ; Renbi Bai, Auteur |

Dans Industrial & engineering chemistry research (Vol. 50 N° 21, Novembre 2011)

This study examined the effect of thickness of photocatalyst film immobilized on a buovant polypropylene (PP) substrate on the degradation of methyl orange (MO) dye in aqueous solutions using different light sources. The photocatalyst used was t[...]

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