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Nanofiltration/Reverse Osmosis as Pretreatment Technique for Water Reuse: Ultrafiltration Versus Tertiary Membrane Reactor

The potential for nanofiltration (NF) and reverse osmosis (RO) in secondary effluent reclamation is noteworthy, but both processes require extensive pre‐treatment to prevent membrane fouling and promote system longevity. In this study, performance of direct ultrafiltration (UF) and tertiary membrane...

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Bibliographic Details
Published in:Clean : soil, air, water air, water, 2017-05, Vol.45 (5), p.n/a
Main Authors: Díaz, Oliver, González, Enrique, Vera, Luisa, Porlán, Laura, Rodríguez‐Sevilla, Juan, Afonso‐Olivares, Cristina, Sosa‐Ferrera, Zoraida, Santana‐Rodríguez, José Juan
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Language:English
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Summary:The potential for nanofiltration (NF) and reverse osmosis (RO) in secondary effluent reclamation is noteworthy, but both processes require extensive pre‐treatment to prevent membrane fouling and promote system longevity. In this study, performance of direct ultrafiltration (UF) and tertiary membrane bioreactors (tMBRs) as feed pre‐treatments were assessed on a pilot scale. Both technologies achieved high organic matter removal (87 and 93% for UF and tMBR, respectively). Differences in efficiencies were related to suspended biomass in the tMBR, which enhanced degradation of the dissolved organic substances (
ISSN:1863-0650
1863-0669
DOI:10.1002/clen.201600014