Sequential photo-Fenton and sono-photo-Fenton degradation studies of Reactive Black 5 (RB5)

被引：21
作者：
Verma, Anoop [1 ]
Hura, Amarpreet Kaur [2 ]
Dixit, Divya [1 ]
机构：
[1] Thapar Univ, Sch Energy & Environm, Patiala 147004, Punjab, India
[2] Manipal Univ, Dept Civil Engn, Jaipur, Rajasthan, India
来源：
DESALINATION AND WATER TREATMENT | 2015年 / 56卷 / 03期
关键词：
Reactive Black 5; Dye; Photo-Fenton; Sono-photo-Fenton; WASTE-WATER; AZO DYES; PHOTOCATALYTIC DEGRADATION; HYDROGEN-PEROXIDE; RHIZOPUS-ARRHIZUS; OXIDATION; DECOLORIZATION; BIOSORPTION;
D O I：
10.1080/19443994.2014.940390
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Sequential treatment studies have been done using photo-Fenton and sono-photo-Fenton, and compared with individual processes to analyze possible favorable effects of combined systems for the degradation of Reactive Black 5 (RB5). The coupled system enhances the degradation as compared to the ultrasound or UV-light irradiation processes along with the reduction in treatment time. Batch runs were carried out to investigate the process operational conditions: pH, H2O2 dosage, Fe2+ dosage, and RB5 concentration; to obtain the results at best possible operating conditions render advanced oxidation processe (AOP) competitive with other processes; and to ensure the rapid and complete transformation of the toxic organic compounds to benign chemicals. Degradation observed was 69% under Fenton and 93% under photo-Fenton with experimentally optimized conditions i.e. pH 4, Fe2+ concentration 0.050gL(-1) and H2O2 0.150gL(-1) after 20min. Sono-photo-Fenton treatment enhances the degradation up to 98% with experimentally optimized parameters within 12min of reaction.
引用
收藏
页码：677 / 683
页数：7
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