The invention relates to a treatment device for phenolic resin production
wastewater. The treatment device comprises a regulating tank, a catalytic condensation tank, an extraction tank, a neutralizing tank, an advanced oxidation tank, an anaerobic tank, an aerobic tank, a quick
sand filter tank and a clear water tank, wherein the catalytic condensation tank comprises a mixing and stirring zone and a
solid accumulation zone, a catalytic condensation tank water inlet
pipe is arranged at the bottom of the mixing and stirring zone, a
phosphoric acid addition gauge and a
formaldehyde addition gauge are arranged at the middle-upper part, and a stirrer is arranged in the middle of the mixing and stirring zone; the extraction tank comprises an extraction stirring zone and an extraction separationzone, and an extraction tank inlet is formed in the bottom of the extraction stirring zone and communicated with a catalytic condensation tank water outlet
pipe; the neutralizing tank is equipped with an alkali liquor addition gauge; the advanced oxidation tank comprises an
aeration oxidation zone and a
sedimentation zone, and an
ozone aeration disc is arranged at the bottom of the
aeration oxidation zone; the anaerobic tank comprises a
facultative zone, an anoxic zone and an anaerobic zone separated by baffles; the aerobic tank is equipped with a water distribution cone and an
oxygen measurement
regulator; the quick
sand filter tank comprises a water distribution zone, a sand washing zone and a
sand filter zone.