Recycling of TiO2-containing waste and utilization by photocatalytic degradation of a reactive dye solution

被引：13

作者：

Bilici, Zeynep ^{[1
]}

Bouchareb, Raouf ^{[1
,2
]}

Sacak, Tuba ^{[3
]}

Yatmaz, H. Cengiz ^{[4
]}

Dizge, Nadir ^{[1
]}

机构：

[1] Mersin Univ, Dept Environm Engn, TR-33343 Mersin, Turkey

[2] Saleh Boubnider Univ, Proc Engn Fac, Dept Environm Engn, Constantine 25000, Algeria

[3] DYO Paint Factory, Dept R&D Management, TR-41455 Kocaeli, Turkey

[4] Gebze Tech Univ, Dept Environm Engn, TR-41400 Kocaeli, Turkey

来源：

WATER SCIENCE AND TECHNOLOGY | 2021年 / 83卷 / 05期

关键词：

photocatalysis; reactive dye; recycled TiO2; sintering effect;

D O I：

10.2166/wst.2020.606

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Recently, the utilization of wastes, recovery of high value-added products from waste, and their use as raw materials in other industries with the logic of industrial symbiosis has become an important issue. In this study, removal efficiency of Reactive Orange 16 (RO16) dye from aqueous solution was studied using TiO2 catalyst recycled from an industrial waste effluent. The recycling of TiO2 waste from a paints manufacturing industry was carried out by sintering the TiO2-containing waste. The catalyst usability of TiO2-containing powder was then investigated in the removal of RO16 dye by photocatalytic oxidation process. In photocatalytic oxidation studies, TiO2/UV and TiO2/UV/H2O2 processes were investigated, where the effect of annealing temperature, the effect of H2O2 concentration, and the adsorption and photocatalytic effects on RO16 dye removal were studied. The results showed that 100% RO16 removal was obtained for the 10 mg/L initial RO16 concentration using the TiO2 (1 g/L)/UV process. At high initial RO16 concentration (50 mg/L), 100% RO16 removal was achieved by adding 10 mM H2O2.

引用

页码：1242 / 1249

页数：8

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