Device for separating powdered activated carbon from wastewater

The utility model discloses a device for separating powdered activated carbon from wastewater. The device comprises a regulating reservoir, a lift pump, a coagulant feeding device, a coagulant aid feeding device, a pipeline mixer, an air compressor, a total dissolved air flotation device, an activated carbon drying pool and a middle pool, wherein the total dissolved air flotation device also comprises an air flotation device water inlet, a sediment scraper, a dissolved air tank, a circulating pipeline booster pump, a dissolved air releaser, an air flotation device water outlet and a dross outlet. The device disclosed by the utility model has the beneficial effects of simple process, low investment, low operating cost and good separation effect, and is easy to implement, simple to maintain and stable to run; and the properties that the powdered activated carbon is small in particle size, low in density and difficult to participate are fully utilized.