| 摘要 |
<p>PROBLEM TO BE SOLVED: To make the site area of equipment small, to facilitate the operation control, to make the equipment installation cost and the operational cost inexpensive and to obtain city water with a high degree of water quality. SOLUTION: This purified water treating apparatus is one for obtaining city water from raw water from such as rivers, lakes and marshes, pounds and underground water. This device is provided with a treating tank 1 sectioned to a microorganism treating part 5 where the raw water is fed and a membrane filtration part 6 with a partitioning wall 4. Granular activated carbon 7 where the aerobic microorganisms is stuck on the surface is held in the microorganism treating part 5. A filter membrane unit 8 is arranged at the membrane filter part 6. A transfer means for feeding the liquid in the tank treated with the microorganism treating part 5 to the membrane filter part 6 is provided on the apparatus.</p> |
