AI Article Synopsis
- Studies on filter materials for phosphorus removal in sewage systems have often overlooked the overall performance of these systems.
- This study focused on understanding how viruses move and are removed in a lab setting, comparing the results to actual field tests using a specific sewage treatment method involving blast furnace slag.
- While the MS2 bacteriophage showed significant inactivation and removal, the PRD1 bacteriophage was transported quickly, and lab predictions underestimated its removal in actual systems, emphasizing the need to consider factors like pH and flow rate when evaluating pathogen removal.
- The findings stress the importance of studying various organisms to better understand pathogen transport and removal in sewage systems.
Article Abstract
Studies undertaken to assess the performance of filter materials to remove phosphorus in decentralised sewage systems have not reported on the broader performance of these systems. This study aimed to identify virus fate and transport mechanisms at the laboratory scale for comparison with field experiments on a mound system amended with blast furnace slag. Inactivation was a significant removal mechanism for MS2 bacteriophage, but not for PRD1 bacteriophage. Column studies identified rapid transport of PRD1. Laboratory studies predicted lower removal of PRD1 in a full scale system than was experienced in the field study, highlighting the importance of considering pH and flow rate in pathogen removal estimates. The results highlight the necessity for studying a range of organisms when assessing the potential for pathogen transport.
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| http://dx.doi.org/10.1016/j.watres.2008.02.032 | DOI Listing |
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