| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2017: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2016: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2015: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
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| Outline of Final Research Achievements |
In the present study, removal of waterborne human-infective viruses (WHIVs) during drinking water treatment processes were estimated by a combination of lab-scale batch experiments and field-survey in an actual drinking water treatment plant. The lab-scale experiments revealed that pepper mild mottle virus (PMMoV) could be an indicator of 4 WHIVs (adenovirus, coxsackievirus, hepatitas hepatitis A virus, and murine norovirus) during coagulation-sedimentation-sand filtration (CSF) processes. The field-survey showed that 1.6-removal of PMMoV, on average, was achieved during the CSF in the actual treatment plant. Therefore, we concluded that 1.6-log removal could be also expected for the WHIVs in the CSF in the actual treatment plant.
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