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Heterogeneous photocatalytic degradation of phenols in wastewater : a review on current status and developments

journal contribution
posted on 06.12.2017, 00:00 by Saber AhmedSaber Ahmed, Mohammad RasulMohammad Rasul, W Marten, R Brown, M Hashib
In recent years, there has been an enormous amount of research and development in the area of heterogeneous photocatalytic water purification process due to its effectiveness in degrading and mineralising the recalcitrant organic compounds as well as the possibility of utilising the solar UV andvisible spectrum. One hundred and twenty recently published papers are reviewed and summarised here with the focus being on the photocatalytic oxidation of phenols and their derivatives, predominant in wastewater effluent. In this review, the effects of various operating parameters on the photocatalytic degradation of phenols and substituted phenols 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, oxidising agents/electron acceptors, mode of catalyst application, and calcination temperatures can play an important role on the photocatalytic degradation of phenolic compounds in wastewater. Extensive research has focused on the enhancement of photocatalysis by modification of TiO2 employing metal, non-metal and ion doping. Recent developments inTiO2 photocatalysis for the degradation of various phenols and substituted phenols are also reviewed.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

261

Start Page

3

End Page

18

Number of Pages

16

eISSN

0011-9164

Location

Netherlands

Publisher

Elsevier Ltd.

Language

en-aus

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

Faculty of Sciences, Engineering and Health; Institute for Resource Industries and Sustainability (IRIS); Queensland University of Technology; Toyohashi Gijutsu Kagaku Daigaku;

Era Eligible

Yes

Journal

Desalination.

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