Performance of Titania based Nano-Photocatalysts on the Degradation of Orange G azo dye

被引：0

作者：

Bansal, Ajay ^{[1
]}

Divya, Neetu ^{[1
]}

Jana, Asim K. ^{[2
]}

机构：

[1] Natl Inst Technol, Dept Chem Engn, Jalandhar 1440011, Punjab, India

[2] Natl Inst Technol, Dept Biotechnol, Jalandhar 1440011, Punjab, India

来源：

RECENT ADVANCES IN ENERGY AND ENVIRONMENT | 2010年

关键词：

Orange G; Photocatalysis; Decolorization; Mineralization; Kinetics; Electrical Energy required; OPERATIONAL PARAMETERS; AQUEOUS SUSPENSION; METHYL-ORANGE; OXIDATION; DECOLORIZATION; DIOXIDE;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Dyes create severe environmental problems by releasing toxic and potentially carcinogenic substances into the aqueous streams. The photocatalytic degradation of Orange G azo dye in aqueous solutions under UV irradiation was investigated with different catalysts such as anatase TiO2 (AT), rutile TiO2 (RT) and P-25 TiO2. The decolorization (spectrophotometric analysis) and the Mineralization (TOC removal) were compared for the different photocatalysts. Results show the efficient degradation of Orange G with anatase TiO2 photocatalyst. Nearly complete decolorization was achieved with anatase TiO2 photocatalysis under 60 min UV irradiation. However, 36% TOC removal of OG with anatase TiO2 was achieved which is higher than that of the other catalysts such as rutile TiO2 and P-25 TiO2.

引用

页码：140 / +

页数：4

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