Performance of thin-film composite hollow fiber nanofiltration for the removal of dissolved Mn, Fe and NOM from domestic groundwater supplies

Water Research
Maryam HaddadBenoit Barbeau

Abstract

Groundwater (GW) is one of the most abundant water resources and around 1.5 billion people rely on GW as their main water supply. Manganese (Mn) and iron (Fe) are very common GW contaminants. Even though their presence is considered mainly as an organoleptic and operational nuisance, water with elevated Mn content may also lead to adverse health impacts. Amongst the most common treatment processes currently used to treat domestic GW supplies: catalytic filtration may lead to Mn leaching if improperly maintained; while ion exchange consumes a considerable amount of salt and produces a brine waste which pollutes the environment. Thus, it is proposed to design a simple, yet robust treatment system which can be implemented in small/remote communities or even domestic applications. To this end, the main objective of this investigation was to assess the potential application of novel outside-in sulfonated polyethersulfone thin-film composite hollow fiber nanofiltration (HFNF) membranes to remove dissolved Mn, Fe and natural organic matter (NOM) from domestic GW supplies. Of particular interest was the impact of GW matrix on performance of the HFNF membranes. Our experimental findings demonstrated that, in absence of hardness and the ...Continue Reading

References

May 18, 2005·Journal of Colloid and Interface Science·K BoussuC Vandecasteele
Sep 22, 2010·Environmental Health Perspectives·Maryse F BouchardDonna Mergler
Apr 29, 2011·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Annie CarrièreBenoit Barbeau
Apr 29, 2011·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Benoit BarbeauMaryse F Bouchard
Sep 27, 2014·Environmental Health Perspectives·Youssef OulhoteMaryse F Bouchard
Oct 11, 2017·Environmental Science & Technology·Peng LiaoDaniel E Giammar
Mar 7, 2018·Environmental Science & Technology·Razi EpszteinMenachem Elimelech

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