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Remediation of oily wastewater from an interceptor tank using a novel photocatalytic drum reactor.

Salu, Olumide Adegboyega; Adams, Morgan; Robertson, Peter K.J.; Wong, Ling Say; McCullagh, Cathy

Authors

Olumide Adegboyega Salu

Peter K.J. Robertson

Ling Say Wong



Abstract

A novel photocatalytic reactor has been developed to remediate oily wastewaters. In the first instance degradation rates of model organic compounds, methylene blue (MB) and 4-chlorophenol (4-CP) were determined. The experimental set-up investigated a 1:10 w/v catalyst to organic solution volume, 30 g catalyst, 300 mls MB (10 ?M) or 4-CP (100 ?M). The catalyst investigated was a pellet catalyst to improve separation of the remediated volume from the catalyst following treatment. MB concentration decreased by 93% after 15 mins irradiation whilst 4-CP concentration decreased by 94% following 90 mins irradiation. Oily waste water (OWW) from an interceptor tank typically containing diesel oils was obtained from Sureclean, an environmental clean-up company. The OWW was treated using the same conditions as MB and 4-CP, the model organic compounds. Levels of total organic carbon (TOC) and total petroleum hydrocarbon (TPH) were used to monitor the efficacy of the photocatalytic reactor. TOC reduced by 45% following two 90 mins treatment cycles. TPH reduced by 45% following 90 mins irradiation and by a further 25% during a second stage of treatment. This reactor can be used as a polishing technique assembled within a wastewater treatment plant. Allowing for more than one pass through the reactor improves its efficiency. Presented at the 2009 International workshop on urbanisation, land use, land degradation and environment (ULE 2009), 28 September - 1 October 2009, Denizli, Turkey.

Citation

SALU, O.A., ADAMS, M., ROBERTSON, P.K.J., WONG, L.S. and MCCULLAGH, C. 2011. Remediation of oily wastewater from an interceptor tank using a novel photocatalytic drum reactor. Desalination and water treatment [online], 26(1-3), pages 87-91. Available from: https://doi.org/10.5004/dwt.2011.2114

Journal Article Type Article
Acceptance Date May 7, 2010
Online Publication Date Aug 3, 2012
Publication Date Dec 31, 2011
Deposit Date Nov 7, 2014
Publicly Available Date Nov 7, 2014
Journal Desalination and water treatment
Print ISSN 1944-3994
Electronic ISSN 1944-3986
Publisher Taylor & Francis
Peer Reviewed Peer Reviewed
Volume 26
Issue 1-3
Pages 87-91
DOI https://doi.org/10.5004/dwt.2011.2114
Keywords Chlorophenol; Interceptor water remediation Methylene blue Photocatalytic reactor
Public URL http://hdl.handle.net/10059/1068

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