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International Journal of PhotoenergyVolume 2012 2012, Article ID 578916, 7 pages

Research ArticleDepartment of Chemical Engineering, Curtin University, Perth, WA 6102, Australia

Received 27 April 2012; Revised 13 June 2012; Accepted 14 June 2012

Academic Editor: Mika Sillanpää

Copyright © 2012 Yash Boyjoo et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Treatment of shower water deserves special consideration for reuse not only because of its low pollutant loading but also because it is produced in large quantities. In this study, a pilot scale study of photocatalytic degradation of impurities in real shower water was performed in a 31 L volume reactor using titanium dioxide as the photocatalyst. The reactor was operated in a continuous slurry recirculation mode. Several operational parameters were studied including the slurry initial pH, catalyst concentration, air flow rate, and slurry recirculation rate. Up to 57% of total organic carbon TOC elimination was obtained after 6 hours of treatment for 3.0 slurry initial pH, 0.07  catalyst concentration, 1.8  air flow rate, and 4.4  slurry recirculation rate. This study showed that photocatalysis could be successfully transposed from bench scale to pilot scale. Furthermore, the ease of operation and the potential to use solar energy make photocatalysis an attractive prospect with respect to treatment of grey water.





Autor: Yash Boyjoo, Ming Ang, and Vishnu Pareek

Fuente: https://www.hindawi.com/



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