Reviewing factors affecting the effectiveness of decentralised domestic wastewater treatment systems for phosphorus and pathogen removal

Joseph C. Akunna, Juliette O'Keeffe, Richard Allan

Research output: Contribution to journalArticle

2 Citations (Scopus)
149 Downloads (Pure)

Abstract

Environmental pollution and risks to human health can result from diffuse sources of pollution originating from decentralised wastewater treatment systems (DWTS). In particular phosphorus pollution can lead to eutrophication and the downgrading of the quality of water bodies, for example, under the Water Framework Directive (WFD) in the EU, and pathogen pollution can result in increased risks of human exposure to pathogens and impacts on industries such as shellfish growing and tourism. The study reported in this paper reviews the effectiveness of various DWTS in removing phosphorus and pathogens from onsite systems. It was found that DWTS are typically not designed to specifically treat these pollutants and the most common type of DWTS, septic tanks, provide only basic treatment. Additional treatment such as filtration-based or wetland systems must be used to achieve desired levels of treatments. The performance of these systems is affected by site specific conditions, such as input load and sources, and climatic conditions and as such operational characteristics and treatment measures must be designed to take account of these factors.
Original languageEnglish
Pages (from-to)40-47
Number of pages8
JournalDesalination and Water Treatment Journal
Volume91
Issue number1
Early online date26 May 2017
DOIs
Publication statusPublished - Oct 2017

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Pathogens
Wastewater treatment
Phosphorus
Pollution
pathogen
phosphorus
Septic tanks
Shellfish
pollution
Eutrophication
Wetlands
shellfish
environmental risk
eutrophication
Water
tourism
wetland
Health
removal
wastewater treatment

Cite this

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Reviewing factors affecting the effectiveness of decentralised domestic wastewater treatment systems for phosphorus and pathogen removal. / Akunna, Joseph C.; O'Keeffe, Juliette; Allan, Richard.

In: Desalination and Water Treatment Journal, Vol. 91, No. 1, 10.2017, p. 40-47.

Research output: Contribution to journalArticle

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