| 摘要 |
<p>PROBLEM TO BE SOLVED: To efficiently separate suspended solids in a treated water discharged from a carrier fluidized bed type aerator, to stabilize the quality of the treated water, and to reduce the space. SOLUTION: The aerator 10 in which a carrier 20 to which microorganisms are adhered is fluidized with a wastewater to treat organic substances in the wastewater, a floatation separation tank 30 in which the suspended solids in the treatment water discharged from the aerator 10 are pressurized, floated, and separated, and a biological filtration tank 60 which bio-filters the treatment water discharged from the floatation separation tank 30 are provided.</p> |
