COD Removal of Washing Water by Photodegradation

被引：0

作者：

Zhang, Qiaoling ^{[1
]}

Chen, Zhijun ^{[2
]}

Zhu, Ye ^{[2
]}

Xie, Hongyong ^{[3
]}

机构：

[1] China Huanqiu Constructing & Engn Co, Beijing, Peoples R China

[2] China Petr Pipeline Bur, Tianjin Design Inst, Tianjin 300280, Peoples R China

[3] Shanghai Second Polytechinc Uinvers, Pudong 201209, Peoples R China

来源：

CHEMICAL ENGINEERING AND MATERIAL PROPERTIES II | 2012年 / 549卷

关键词：

Photocatalysis; pH value; Washing water; COD; TiO2; nanoparticles; PHOTOCATALYTIC DEGRADATION; HERBICIDES;

D O I：

10.4028/www.scientific.net/AMR.549.415

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Degradation of the wastewater of washing oil tanks after degreasing and minimal treatment by photocatalysis is studied by using a rotating photoreactor and TiO2 photocatalyst of Degussa P25. Effects of irradiation time and pH value on removing efficiency are investigated. The results show that the COD down to about 80mg/L can be achieved at the irradiation time of about 4-5 hours at mild pH valus. At the pH value from 1.5 to 3.2, the COD down to about 80mg/L can be achieved at the irradiation time less than 1 hour, and the COD down to about 20mg/L could be achieved at the irradiation time of about 4 hours at a pH value of about 3.2.

引用

页码：415 / +

页数：3

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