Photocatalytic Removal of Reactive Black-5 Dye from Aqueous Solution by UV Irradiation in Aqueous TiO2: Equilibrium and Kinetics Study

被引：0

作者：

Siboni, Mehdi Shirzad ^{[4
]}

Samarghandi, Mohamadreza ^{[3
]}

Yang, Jae-Kyu ^{[2
]}

Lee, Seung-Mok ^{[1
]}

机构：

[1] Kwandong Univ, Dept Environm Engn, Kangnung, South Korea

[2] Kwangwoon Univ, Div Gen Educ, Seoul, South Korea

[3] Hamadan Univ Med Sci, Dept Environm Hlth, Hamadan, Iran

[4] Kurdistan Univ Med Sci, Environm Hlth Res Ctr, Sanandaj, Kurdistan, Iran

来源：

JOURNAL OF ADVANCED OXIDATION TECHNOLOGIES | 2011年 / 14卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

TiO2; Reactive Black-5; Dye; Photocatalysis; UV Irradiation; AZO-DYE; WASTE-WATER; DEGRADATION; ACID;

D O I：

10.1515/jaots-2011-0216

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this work, photocatalytic oxidation of reactive Black-5(RB-5) dye was investigated with illuminated TiO2. Effects of various parameters such as catalyst loading, contact time, pH and initial dye concentration on the removal efficiency of RB-5 dye was studied. Oxidation and adsorption were recognized as significant processes for the removal of RB-5 dye. Removal of RB-5 dye decreased with increasing pH and initial dye concentration. TiO2 dosage was an important parameter for the removal of RB-5 dye. As the TiO2 dosage increased up to 1 g/L TiO2, the removal efficiency of RB-5 dye was continuously enhanced. Removal trend of RB-5 was fitted well with the pseudo-first-order equation. From this work, it is possible to suggest that photocatalytic reaction with illuminated TiO2 can be effectively applied to treat industrial wastewater contaminated with dyes.

引用

页码：302 / 307

页数：6

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