Virus fate and transport during artificial recharge with recycled water

Robert Anders, C. V. Chrysikopoulos

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

[1] A field-scale experiment was conducted at a research site using bacterial viruses (bacteriophage) MS2 and PRD1 as surrogates for human viruses, bromide as a conservative tracer, and tertiary-treated municipal wastewater (recycled water) to investigate the fate and transport of viruses during artificial recharge. Observed virus concentrations were fitted using a mathematical model that simulates virus transport in one-dimensional, homogeneous, water-saturated porous media accounting for virus sorption (or filtration), virus inactivation, and time-dependent source concentration. The fitted time-dependent clogging rate constants were used to estimate the collision efficiencies for bacteriophage MS2 and PRD1 during vertical fully saturated flow. Furthermore, the corresponding time-dependent collision efficiencies for both bacteriophage asymptotically reached similar values at the various sampling locations. These results can be used to develop an optimal management scenario to maximize the amount of recycled water that can be applied to the spreading grounds while still maintaining favorable attachment conditions for virus removal.

Original languageBritish English
Article numberW10415
Pages (from-to)W10415-1-W10415-14
JournalWater Resources Research
Volume41
Issue number10
DOIs
StatePublished - Oct 2005

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