| 摘要 |
PROBLEM TO BE SOLVED: To sufficiently perform the microbial decomposition treatment of floating oil and sedimented sludge. SOLUTION: A wastewater treatment apparatus is equipped with a residue separation part for separating residue from wastewater, an oil-water separation part for separating the wastewater, from which residue is separated in the residue separation part, into an oil component and water, a water discharge part for discharging water separated in the oil-water separation part, a microbial decomposition treatment part for microbially decomposing the floating oil and sedimented sludge separated from water discharged in the water discharge part by bacteria and a feedback part for feeding back treated water formed from the microbial decomposition treatment part to the residue separation part. |
