Testing and substantial improvement of TiO2/UV photocatalysts in the degradation of Methylene Blue

被引：25

作者：

Magnone, Edoardo ^{[1
]}

Kim, Min-Kwang ^{[1
]}

Lee, Hong Joo ^{[1
]}

Park, Jung Hoon ^{[1
]}

机构：

[1] Dongguk Univ, Wonheung Gwan F619,30 Pildong Ro 1gil, Seoul 100715, South Korea

来源：

CERAMICS INTERNATIONAL | 2019年 / 45卷 / 03期

关键词：

TiO2; photocatalyst; Al2O3 hollow fiber; Heterogeneous photocatalysts; Immobilization strategies; Water purification; WASTE-WATER; MEMBRANE; FABRICATION; PERFORMANCE; CATALYST; SUPPORT; REACTOR; DESIGN; PHENOL; FILM;

D O I：

10.1016/j.ceramint.2018.10.249

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

alpha-Al2O3 hollow fibers (AlHF)-supported TiO2 photocatalysts were prepared by a single dip-coating process. In order to tentatively improve the adhesion strength of TiO2 photocatalysts on the surface of microstructured AlHFs, the use of an adhesion promoter as a Silica-based binder (SBB) was further studied. TiO2 powders, as well as AlHF-supported TiO2 and SBB AlHF-supported TiO2 photocatalysts, were investigated for the photo degradation of the Methylene Blue (MB) under UV irradiation. MB was selected as a model of organic pollutant. AlHF-supported TiO2 photocatalysts show higher photo-catalytic activity than TiO2 powders. Best performance was achieved with an SBB AlHF-supported TiO2 photocatalysts, whereby a degradation ratio of about 65% was obtained.

引用

页码：3359 / 3367

页数：9

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