1. bookVolume 5 (2012): Issue 2 (October 2012)
Journal Details
License
Format
Journal
eISSN
1339-3065
ISSN
1337-978X
First Published
10 Dec 2012
Publication timeframe
2 times per year
Languages
English
access type Open Access

Effect of photoactive dye on bacteria contained in activated sludge

Published Online: 14 Dec 2012
Volume & Issue: Volume 5 (2012) - Issue 2 (October 2012)
Page range: 164 - 168
Journal Details
License
Format
Journal
eISSN
1339-3065
ISSN
1337-978X
First Published
10 Dec 2012
Publication timeframe
2 times per year
Languages
English
Abstract

In this paper we focus on the evaluation of toxicity and phototoxicity of phenothiazine dye methylene blue on selected bacteria (Escherichia coli CCM 3988, Pseudomonas aeruginosa CCM 3955, Salmonella enterica ssp. Enterica serovar Enteritidis CCM 4420 and Bacillus subtilis CCM 1999), which are part of the activated sludge. The results obtained demonstrate that the induction of photodynamic effect is showed. Increased photoantibacterial activity may lead to inhibition of bacterial metabolic activity in the sludge. This effect may represent a potential risk to the ongoing processes in wastewater treatment.

Keywords

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