Issue 5, 2012
From the journal:

Catalysis Science & Technology

Development of a visible light active photocatalytic portable water purification unit using ZnO nanorods

Sunandan Baruah,*ab   Mayuree Jaisaia  and  Joydeep Duttaac  

* Corresponding authors

a Center of Excellence in Nanotechnology, Asian Institute of Technology, Klong Luang, Pathumthani 12120, Thailand
Fax: +66 2 524 5617
Tel: +66 2 524 5680

b Elektronmikroskopi och Nanoteknologi, The Ångström Laboratory, Box 534, SE-751 21 Uppsala, Sweden
E-mail: Sunandan.Baruah@angstrom.uu.se

c Sultan Qaboos University, P.O. Box 50, Muscat 12, Sultanate of Oman

Abstract

A ZnO nanorods based water purification unit was designed which operates with solar energy as the source of activation. The purifier was tested on two model bacteria Escherichia coli and Staphylococcus aureus with concentration as high as 1010 colony forming units (CFU) per litre, which is about 105 times higher than the bacterial concentration in tap water. Up to 99% (0.99 × 1010 CFU L−1) removal of viable bacterial cells was achieved under sunlight activation.

Graphical abstract: Development of a visible light active photocatalytic portable water purification unit using ZnO nanorods

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Article information

DOI
https://doi.org/10.1039/C2CY20033C
Article type
Communication
Submitted
18 Jan 2012
Accepted
15 Feb 2012
First published
16 Feb 2012

Catal. Sci. Technol., 2012,2, 918-921

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Development of a visible light active photocatalytic portable water purification unit using ZnO nanorods

S. Baruah, M. Jaisai and J. Dutta, Catal. Sci. Technol., 2012, 2, 918 DOI: 10.1039/C2CY20033C

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