| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic waste water treatment unit, which secures contact efficiency between a carrier and organisms and prevents a biomembrane from thickening.SOLUTION: The organic waste water treatment unit includes a carrier fixing floor part with a bottom and an outer periphery in which carriers are filled for attachment of organisms, a water-passable substrate for supporting the carrier fixing floor part, a partition wall arranged on at least one part of the bottom of the carrier fixing floor part and a part of the outer periphery of the carrier fixing floor part, and an air diffusing mechanism of the treatment unit which is arranged in the vicinity of the lower end of the partition wall for generating a bubble flow along the partition wall. |
