Application of a Novel Semiconductor Catalyst, CT, in Degradation of Aromatic Pollutants in Wastewater: Phenol and Catechol

Joint Authors

Zhou, Xuefei
Chen, Xi
Chen, Xiao
Liang, Yan
Zhang, Yanling
Ichimura, Shoji
Tong, Guoxiu
Zhou, Qiming
Wang, Wenzhao

Source

Journal of Nanomaterials

Issue

Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-10, 10 p.

Publisher

Hindawi Publishing Corporation

Publication Date

2014-04-14

Country of Publication

Egypt

No. of Pages

10

Main Subjects

Chemistry
Civil Engineering

Abstract EN

Water-soluble phenol and phenolic compounds were generally removed via advanced oxidation processes.

A novel semiconductor catalyst, CT, was the first-time employed in the present study to degrade phenol and catechol.

The phenolic compounds (initial concentration of 88 mg L−1) were completely mineralized by the CT catalytic nanoparticles (1%) within 15 days, under acidic condition and with the presence of mild UV radiation (15 w, the emitted wavelength is 254 nm and the light intensity <26 μw/cm2).

Under the same reaction condition, 1% TiO2 (mixture of rutile and anatase, nanopowder, <100 nm) and H2O2 had lower removal efficiency (phenol: <42%; catechol: <60%), whereas the control (without addition of catalysts/H2O2) only showed <12% removal.

The processes of phenol/catechol removal by CT followed pseudo-zero-order kinetics.

The aromatic structures absorbed the UV energy and passed to an excited state, which the CT worked on.

The pollutants were adsorbed on the CT’s surface and oxidized via charge-transfer and hydroxyl radical generation by CT.

Given low initial concentrations, a circumstance encountered in wastewater polishing, the current set-up should be an efficient and less energy- and chemical-consumptive treatment method.

American Psychological Association (APA)

Chen, Xiao& Zhang, Yanling& Zhou, Xuefei& Ichimura, Shoji& Tong, Guoxiu& Zhou, Qiming…[et al.]. 2014. Application of a Novel Semiconductor Catalyst, CT, in Degradation of Aromatic Pollutants in Wastewater: Phenol and Catechol. Journal of Nanomaterials،Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1041624

Modern Language Association (MLA)

Chen, Xiao…[et al.]. Application of a Novel Semiconductor Catalyst, CT, in Degradation of Aromatic Pollutants in Wastewater: Phenol and Catechol. Journal of Nanomaterials No. 2014 (2014), pp.1-10.
https://search.emarefa.net/detail/BIM-1041624

American Medical Association (AMA)

Chen, Xiao& Zhang, Yanling& Zhou, Xuefei& Ichimura, Shoji& Tong, Guoxiu& Zhou, Qiming…[et al.]. Application of a Novel Semiconductor Catalyst, CT, in Degradation of Aromatic Pollutants in Wastewater: Phenol and Catechol. Journal of Nanomaterials. 2014. Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1041624

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references

Record ID

BIM-1041624