| 摘要 |
A wastewater purifying apparatus using a back overflowed sludge includes a water tank having an inflow port for accepting wastewater and an outlet for discharging purified water, and a first barrier for dividing the water tank into a steady-flow region and a turbulent-flow region according to flow type, the first barrier submerged in the wastewater when it is filled in the water tank to a predetermined water level to allow sludge in the turbulent-flow region to flow backward the steady-flow region without extra device of settling and return.
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