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Scalable and Sustainable Total Pathogen Removal Filter Paper for Point-of-Use Drinking Water Purification in Bangladesh
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.ORCID iD: 0000-0003-3314-5284
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.ORCID iD: 0000-0001-7638-0925
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2019 (English)In: ACS SUSTAINABLE CHEMISTRY & ENGINEERING, ISSN 2168-0485, Vol. 7, no 17, p. 14373-14383Article in journal (Refereed) Published
Abstract [en]

This article describes for the first time the full cycle of development from raw material cultivation to real-life application of a truly sustainable and scalable filter paper material intended for point-of-use drinking water purification in Bangladesh. The filter paper, featuring tailored pathogen removal properties, is produced from nanocellulose extracted from Pithophora green macroalgae, growing locally in Bangladesh, a new unexploited resource that can address a global problem. We demonstrate that the Pithophora cellulose filter paper can be used as a total pathogen barrier to remove all types of infectious viruses and bacteria from water. The performance of the filter is validated using surrogate latex nanobeads, in vitro model viruses, and real-life water samples collected from the Turag River and Dhanmondi Lake in Dhaka, Bangladesh. Access to clean drinking water is a persistent problem in Bangladesh, affecting tens of millions of people every day. The mortality rate due to water-borne diarreal infections, including viral infections, among susceptible population groups, especially among children under age of 5, is still very high. The proposed solution can dramatically improve the quality of lives for millions of people in the entire Southeast Asian region including and beyond the borders of Bangladesh.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2019. Vol. 7, no 17, p. 14373-14383
Keywords [en]
Pithophora algae cellulose, Cladophora algae cellulose, Water-borne infections, Viruses, Filtration
National Category
Water Engineering
Identifiers
URN: urn:nbn:se:uu:diva-395692DOI: 10.1021/acssuschemeng.9b03905ISI: 000484071600008OAI: oai:DiVA.org:uu-395692DiVA, id: diva2:1365250
Funder
Swedish Research Council, 2016-05715Knut and Alice Wallenberg Foundation, KAW 2013.0190Available from: 2019-10-24 Created: 2019-10-24 Last updated: 2019-10-24Bibliographically approved

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Gustafsson, OlofManukyan, LevonGustafsson, SimonTummala, Gopi KrishnaMihranyan, Albert

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