| 摘要 |
PROBLEM TO BE SOLVED: To enhance a discharge performance by breaking an activated carbon removed from a filtration membrane into small blocks in an apparatus for filtrating a laundry waste liquid. SOLUTION: The apparatus comprises electing a plurality of hollow cylindrical filter elements 12 in a treatment container 11, connecting a treated waste liquid supply pipe 18 for supplying treated waste liquid loading the laundry waste liquid with a granular activated carbon into the treatment container 11, connecting purified water discharge pipes (connecting pipe 16, branch pipe 15, collecting pipe 17, connecting line 23, purified water discharge line 24) for discharging the purified water treated by the filter element 12, and also connecting a removing air supply source 28 for removing used granular activated carbon attached to the outer face by supplying the removing air from the purified water discharge pipe into the filter element 12, wherein a fin 51 dividing the granular activated carbon attached to the outer peripheral face of each filter element 12 into a plurality of small block bodies is installed. COPYRIGHT: (C)2007,JPO&INPIT
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