Advancing Indirect Potable Reuse Treatment through Innovative Pilot Testing

Authors: Schimmoller, Larry; Mueller, Paul; Foster, Lee; Vervetjes, Bart

Source: Proceedings of the Water Environment Federation, WEFTEC 2008: Session 51 through Session 60 , pp. 4290-4304(15)

Publisher: Water Environment Federation

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Seven months of pilot testing using an indirect potable reuse treatment train consisting of flocculation – sedimentation, microfiltration, reverse osmosis (RO), and advanced oxidation were conducted during design and construction of the full-scale project. In addition to the typical goals associated with piloting membranes, such as establishing flux rates and chemical cleaning approaches and frequencies, other goals were established to address issues specific to indirect potable reuse projects. These issues included N-nitrosodimethylamine (NDMA) formation and removal, individual unit process impact on ultraviolet transmittance (UVT), nutrient removal, and targeted phosphorus and organics removal for improved RO recovery. Pilot plant results for these issues are summarized in this paper.

Document Type: Research Article


Publication date: January 1, 2008

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