CaFe2O4–ZnO magnetic nanostructures: photo-degradation of toxic azo-dyes under UV irradiation

2017 ◽  
Vol 28 (17) ◽  
pp. 12823-12838 ◽  
Author(s):  
Mojtaba Goodarzi ◽  
Sedighe Joukar ◽  
Davood Ghanbari ◽  
Kambiz Hedayati
Keyword(s):  
Uv Irradiation ◽  
Azo Dyes ◽  
Magnetic Nanostructures ◽  
Photo Degradation

Photo-Degradation of C.I. Disperse Blue 56 by UV Irradiation Combined with Manganese Minerals

2010 ◽  
Vol 82 (7) ◽  
pp. 610-616 ◽  
Author(s):  
Jie Fu ◽  
Sheng Sheng ◽  
Yin Luo ◽  
Hui Zhao ◽  
Qing-Fu Zeng ◽  
...  
Keyword(s):  
Uv Irradiation ◽  
Photo Degradation ◽  
Manganese Minerals

Degradation of Low Concentration Benzyl Butyl Phthalate (μg•L-1 range) in the Tail Water of Municipal Sewage Plant by UV/H2O2

2012 ◽  
Vol 518-523 ◽  
pp. 3131-3137
Author(s):  
Yan Yan Zeng ◽  
Qi Wu ◽  
Hong Bo Fan ◽  
Si Hao Lv
Keyword(s):  
Uv Irradiation ◽  
Municipal Sewage ◽  
Solution Ph ◽  
Photo Degradation ◽  
Low Concentration ◽  
Benzyl Butyl Phthalate ◽  
Sewage Plant ◽  
Advance Oxidation Process ◽  
Butyl Phthalate ◽  
Tail Water

The degradation of Benzyl butyl phthalate (BBP) at low concentration (μg•L-1 range) by the direct UV irradiation, H2O2 oxidation and UV/H2O2 advance oxidation process was investigated in this study. The experiment results showed that the decomposition efficiency of UV or H2O2 was worse than that of UV/H2O2. Under the condition of 24.26μw•cm-2 UV irradiation and 2.49 mM H2O2, the degradation efficiency of BBP at low concentration was over 90% after 30 min. In addition, the solution pH was found to have no significant effect on the photo-degradation of BBP. The degradation of low concentration BBP in the tail water of municipal sewage plant was 84.23% with UV/H2O2 at the UV irradiation (24.26μw•cm-2) and H2O2 (2.49 mM) without adjusting pH.

scholarly journals Photoinduced structural changes of cationic azo dyes confined in a two dimensional nanospace by two different mechanisms

RSC Advances ◽  
2017 ◽  
Vol 7 (13) ◽  
pp. 8077-8081 ◽  
Author(s):  
Tomohiko Okada ◽  
Nozomi Nozaki ◽  
Jangwon Seo ◽  
Ji Eon Kwon ◽  
Soo Young Park ◽  
...  
Keyword(s):  
Uv Irradiation ◽  
Azo Dyes ◽  
Structural Changes ◽  
Interlayer Space ◽  
High Humidity ◽  
Two Dimensional

By UV irradiation, the interlayer space of a dried phenylazonaphthalene–magadiite diminished, while that of the phenylazobenzene-form expanded under high humidity.

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