The invention discloses a composite flocculant for treating
copper mine tailing filling
wastewater and a preparation method and application thereof, the composite flocculant comprises anionic
polyacrylamide, a medicament A and a medicament B, the medicament A is at least one of
methyl cellulose,
chitosan and
bentonite, and the medicament B is at least one of
sodium sulfate, aluminum
sulfate and
ferric chloride. The preparation method comprises the following steps: mixing the anionic
polyacrylamide, the agent A and the agent B, and
drying at the temperature of 60-120 DEG C to obtain the composite flocculant. The composite flocculant disclosed by the invention has the advantages of high
settling speed, good
flocculation effect, good stability, good adaptability and the like, can be widely used for treating
copper mine tailing filling
wastewater as a novel flocculant with excellent
flocculation performance, can remarkably improve the
settling rate, can effectively remove
metal ions, organic pollutants and suspended matters in the
wastewater, and has the advantages of high efficiency, high efficiency and the like. And moreover, the dosage is as low as 2g /
ton of wastewater, the use value is high, and the application prospect is good.