Dr Gillian Clayton Gillian.Clayton@uwe.ac.uk
Occasional Associate Lecturer - HAS DAS
Managing potential pathogens in stored rainwater using small-scale in-situ electrochemical activation
Clayton, Gillian; Fox, Bethany; Steer, Mark; Thorn, Robin; Reynolds, Darren
Authors
Bethany Fox Bethany.Fox@uwe.ac.uk
Occasional Associate Lecturer - HAS - DAS
Mark Steer Mark.Steer@uwe.ac.uk
Associate Professor in Conservation Biology
Dr Robin Thorn Robin2.Thorn@uwe.ac.uk
Director of Research and Enterprise
Darren Reynolds Darren.Reynolds@uwe.ac.uk
Professor in Health and Environment
Abstract
Rainwater can be a lifeline for many people who do not have piped water supplies, experience dry seasons, or live-in fresh water scarce areas. The quality of stored rainwater can deteriorate over time, due to increasing concentrations of contaminants. The aim of this study was to investigate the effect of ECA time of a small-scale in-situ electrochemical cell at reducing naturally occurring microbial load within 100L rainwater storage tanks. Biological parameters were monitored throughout activation periods. ECA times of the 100L rainwater storage tanks were 8, 12 and 168 hours. All activation periods saw a significant reduction in total viable bacteria and total coliforms [TCs], in comparison to starting densities and control tanks (no treatment). This proof-of-concept study demonstrated that a small-scale in-situ ECA unit could mitigate preventable disease (e.g. diarrhoea) by improving stored rainwater quality through the reduction of indicator pathogenic species [e.g. TCs]. As an environmental scientist I have an interdisciplinary background, and my research interests include sustainable development through the development and implementation of fit-for-purpose decentralised technologies that can be used in the context of water, sanitation and hygiene.
Citation
Clayton, G., Fox, B., Steer, M., Thorn, R., & Reynolds, D. (2022, September). Managing potential pathogens in stored rainwater using small-scale in-situ electrochemical activation. Presented at International Water Association World Water Congress and Exhibition, Copenhagen
Presentation Conference Type | Speech |
---|---|
Conference Name | International Water Association World Water Congress and Exhibition |
Conference Location | Copenhagen |
Start Date | Sep 11, 2022 |
End Date | Sep 15, 2022 |
Deposit Date | Sep 6, 2022 |
Keywords | pathogens, rainwater, electrochemical activation |
Public URL | https://uwe-repository.worktribe.com/output/9953227 |
Publisher URL | https://worldwatercongress.org/ |
Related Public URLs | https://blogs.uwe.ac.uk/healthy-waters/healthy-waters-research-cluster-sets-sights-on-four-research-challenges/ |
Additional Information | This is also aligned with the Healthy Waters ERE Cluster |
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