Titanium dioxide photocatalysis for pharmaceutical wastewater treatment

Kanakaraju, Devagi, Glass, Beverley D., and Oelgemöeller, Michael (2014) Titanium dioxide photocatalysis for pharmaceutical wastewater treatment. Environmental Chemistry Letters, 12 (1). pp. 27-47.

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Heterogeneous photocatalysis using the semiconductor titanium dioxide (TiO2) has proven to be a promising treatment technology for water purification. The effectiveness of this oxidation technology for the destruction of pharmaceuticals has also been demonstrated in numerous studies. This review highlights recent research on TiO2 photocatalytic treatment applied to the removal of selected pharmaceuticals. The discussions are tailored based on the therapeutic drug classes as the kinetics and mechanistic aspects are compound dependent. These classes of pharmaceuticals were chosen because of their environmental prevalence and potential adverse effects. Optimal operational conditions and degradation pathways vary with different pharmaceutical compounds. The main conclusion is that the use of TiO2 photocatalysis can be considered a state-of-the-art pharmaceutical wastewater treatment methodology. Further studies are, however, required to optimize the operating conditions for maximum degradation of multiple pharmaceuticals in wastewater under realistic conditions and on an industrial scale.

Item ID: 31365
Item Type: Article (Research - C1)
ISSN: 1610-3661
Keywords: advanced oxidation processes, photocatalysis, titanium dioxide, pharmaceuticals, wastewater, water treatment, non-steroidal anti-inflammatory drugs, analgesics, antibiotics, antiepileptics
Date Deposited: 25 Feb 2014 23:43
FoR Codes: 03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030505 Physical Organic Chemistry @ 80%
03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030504 Organic Green Chemistry @ 20%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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