Integration of sand and membrane filtration systems for iron and pesticide removal without chemical addition

Krysztof Kowalski, Henrik Tækker Madsen, Erik Gydesen Søgaard

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch


Pilot plant investigations of sand and membrane filtration (MF/UF/NF/LPRO) have been performed to treat groundwater polluted with pesticides. The results show that simple treatment, with use of aeration and sand filtration or MF/UF membranes, does not remove pesticides. However, by reducing the content of key foulants, the techniques can be used as a pre-treatment for nanofiltration and low pressure reverse osmosis that has proved to be capable of removing pesticides. It was found that a lower fouling potential could be obtained by using the membranes, but that sand filter was better at removing manganese and dissolved organic matter. The results indicate that combining aeration; sand filtration and membrane techniques might be a good option for pesticide removal without any addition of chemicals and minimized membrane maintenance.
Original languageEnglish
Title of host publicationProceedings
PublisherIWA Publishing
Publication date2013
Publication statusPublished - 2013
EventIWA Specialist Conference on Membrane Technology for Water & Wastewater Treatment - Toronto, Canada
Duration: 25 Aug 201329 Aug 2013
Conference number: 7th


ConferenceIWA Specialist Conference on Membrane Technology for Water & Wastewater Treatment


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