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Advances in heterogeneous photocatalytic degradation of phenols and dyes in wastewater : a review

journal contribution
posted on 2017-12-06, 00:00 authored by Saber Ahmed, Mohammad RasulMohammad Rasul, W Marten, R Brown, M Hashib
The heterogeneous photocatalytic water purification process has gained wide attention due to its effectiveness in degrading and mineralizing the recalcitrant organic compounds as well as the possibility of utilizing the solar UV and visible light spectrum. This paper aims to review and summarize the recently published works in the field of photocatalytic oxidation of toxic organic compounds such as phenols and dyes, predominant in wastewater effluent. In this review, the effects of various operating parameters on the photocatalytic degradation of phenols and dyes are presented. Recent findings suggested that different parameters, such as type of photocatalyst and composition, light intensity, initial substrate concentration, amount of catalyst, pH of the reaction medium, ionic components in water, solvent types, oxidizing agents/electron acceptors, mode of catalyst application, and calcinations temperature can play an important role on the photocatalytic degradation of organic compounds in water environment. Extensive research has focused on the enhancement of photocatalysis by modification of TiO2 employing metal, non-metal, and ion doping. Recent advances in TiO2 photocatalysis for the degradation of various phenols and dyes are also highlighted in this review.

Funding

Category 3 - Industry and Other Research Income

History

Volume

215

Issue

1-4

Start Page

3

End Page

29

Number of Pages

27

eISSN

1573-2932

ISSN

0049-6979

Location

Netherlands

Publisher

Springer

Language

en-aus

Peer Reviewed

  • Yes

Open Access

  • No

External Author Affiliations

Faculty of Sciences, Engineering and Health; Not affiliated to a Research Institute; Queensland University of Technology; Toyohashi Gijutsu Kagaku Daigaku;

Era Eligible

  • Yes

Journal

Water, air, and soil pollution.

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