| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive raw water treatment process preventing Cryptosporidium contamination, wherein maintenance and inspection are easy. SOLUTION: In the raw water treatment process, a suspension wherein particulate matters are flocked by adding a flocculant to a solution containing particulate matters is prepared, and the suspension is added to a raw water inflow part. COPYRIGHT: (C)2005,JPO&NCIPI
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