Experimental Study on Photocatalytic pretreatment of Restaurant Wastewater with nano TiO2

被引：0
|
作者：
Huang, JinYong [1 ]
Peng, LiBin [1 ]
Peng, Lin [1 ]
机构：
[1] Univ Zhuhai, Beijing Inst Technol, Coll Chem & Mat Engn, Champus 519008, Zhuhai, Peoples R China
来源：
ENVIRONMENTAL PROTECTION AND RESOURCES EXPLOITATION, PTS 1-3 | 2013年 / 807-809卷
关键词：
Photocatalytic oxidation technology; Titanium dioxide(TiO2); Restaurant wastewater;
D O I：
10.4028/www.scientific.net/AMR.807-809.1575
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The study aims at investigating the performance of nano TiO2 photocatalytic oxidation technology for the pretreatment of restaurant wastewater. The rate of lipids removal depends on conditions, such as irradiation time, TiO2 dosage, aeration and addition of Fe3+ or H2O2.The optimal conditions are determined: proper time of irradiation 10 min, TiO2 dosage 25mg/L,pH6.0, adding 5mL Fe3+. Under this optimum, the removal efficiency of lipids reaches 74.7 similar to 88.6%, and that of CODcr was around 45.2 similar to 76.2%.While using illumination for 10 min, companied with TiO2 and Fe3+/H2O2, the removal efficiency of Grease could increase by 3%similar to 15%.Thus, satisfactory results were achieved for pretreatment of Grease Wastewater from restaurant, and this technique could be used as a pretreatment step for next biological treatment of restaurant wastewater.
引用
收藏
页码：1575 / 1578
页数：4
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