Effluent problems: contains wood dust particles, toluene, xylene, ethyl acetate, acetone by chance, high viscosity of effluent, mainly yellow and colorless transparent, pungent odor.

The coal being mined in coal mining usually contains some impurities, and the separation efficiency of the coal from the impurities can be improved by adding flotation agents. The fine coal is flotation out and the tail coal settles.

Wastewater issues: The sources of wastewater from the pharmaceutical plant include process wastewater, mechanic and flushing wastewater, initial storm water, and employee domestic wastewater.

No matter what system or comprehensive measures are used to treat livestock farm wastewater, solid-liquid separation is first carried out, which is an essential process link