• 2022-10-30
    某污水处理厂初沉池干污泥30t/d,含水率98.0%,浓缩后含水率为97.0%,初沉池每天产生污泥浓缩后污泥体积为( )
    A: 20 m3
    B: 1500 m3
    C: 30 m3
    D: 1000 m3
  • 举一反三