Photo-Fenton degradation of phenol by CdS/rGO/Fe^sup 2+^ at natural pH with in situ-generated H^sub 2^O^sub 2

The application of photo-Fenton process is restricted by the acidic pH and additional hydrogen peroxide (H2O2). In order to overcome these drawbacks, a photo-Fenton system of CdS/rGO/Fe2+ which can perform at natural pH with in situ-generated H2O2 has been successfully developed. Highly efficient ph...

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Bibliographic Details
Published in:Applied catalysis. B, Environmental Environmental, 2019-02, Vol.241, p.367
Main Authors: Jiang, Zhenying, Wang, Lingzhi, Lei, Juying, Liu, Yongdi, Zhang, Jinlong
Format: Article
Language:English
Subjects:
Degradation
Hydrogen peroxide
Iron
Irradiation
Light irradiation
pH effects
Phenols
Photodegradation
Radiation
Water pollution
Water treatment
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Summary:The application of photo-Fenton process is restricted by the acidic pH and additional hydrogen peroxide (H2O2). In order to overcome these drawbacks, a photo-Fenton system of CdS/rGO/Fe2+ which can perform at natural pH with in situ-generated H2O2 has been successfully developed. Highly efficient photo-Fenton degradation of phenol was achieved under the visible light irradiation via the CdS/rGO/Fe2+ system. Experimental results showed that phenol could be degraded completely in 1 h at natural pH. The plentiful in situ generation of H2O2 was further proved to act as an important role in phenol degradation with the addition of Fe2+. The advantages of degradation at natural pH with in situ-generated H2O2 can provide a new prospective to the environmental-friendly Fenton process.
ISSN:0926-3373
1873-3883