The invention discloses a treatment method of
beneficiation wastewater. The
wastewater is successively treated through a water collecting well, a coarse screen, a primary
settling pond, a pH value adjusting pond, a
carbon dioxide vortex
convection scum separation reactor, an
aeration tank, a
biological oxidation filter chamber, a secondary
settling pond and a pure water pond. By the method, a
rotational flow wall attachment effect in fluid
mechanics is utilized creatively, when liquid in a container carries out vortex movement, if contrarotation power is applied to the center position of a vortex simultaneously so that a reverse vortex is generated,
barium ions in the liquid can be in
rotational flow wall attachment effect, and are gradually gathered in a narrow region between an inner reverse vortex and an outer forward vortex, the local
ion concentration is increased, at the moment,
carbon dioxide gas is guided and is dissolved in a solution to form
carbonate ions, then the
barium ions can be combined with the
carbonate ions to produce difficultly dissolved
barium salt precipitate which floats along the narrow region between the two vortexes, finally
barium salt scum is formed, and the barium ions in the solution are removed.