Development of an analytical microbial consortia method for enhancing performance monitoring at aerobic wastewater treatment plants

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DOIResolve DOI: http://doi.org/10.1080/10934529.2012.664996
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TypeArticle
Journal titleJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
ISSN1093-4529
Volume47
Issue6
Pages830836; # of pages: 7
SubjectFAME, microbial consortia, process monitoring, aerobic wastewater treatment
AbstractAn analytical method to produce profiles of bacterial biomass fatty acid methyl esters (FAME) was developed employing rapid agitation followed by static incubation (RASI) using selective media of wastewater microbial communities. The results were compiled to produce a unique library for comparison and performance analysis at a Wastewater Treatment Plant (WWTP). A total of 146 samples from the aerated WWTP, comprising 73 samples of each secondary and tertiary effluent, were included analyzed. For comparison purposes, all samples were evaluated via a similarity index (SI) with secondary effluents producing an SI of 0.88 with 2.7% variation and tertiary samples producing an SI 0.86 with 5.0% variation. The results also highlighted significant differences between the fatty acid profiles of the tertiary and secondary effluents indicating considerable shifts in the bacterial community profile between these treatment phases. The WWTP performance results using this method were highly replicable and reproducible indicating that the protocol has potential as a performance-monitoring tool for aerated WWTPs. The results quickly and accurately reflect shifts in dominant bacterial communities that result when processes operations and performance change. © 2012 Copyright Taylor and Francis Group, LLC.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NPARC number21270109
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Record identifier25e1a00f-962c-4cd7-9f8e-4cf9d7be975b
Record created2013-12-23
Record modified2016-05-09
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