The invention provides a method and a device for treating industrial
phenol-containing
wastewater, aiming at solving the problem that in the prior art, the high-concentration
phenol-containing
wastewater cannot reach
discharge requirements after being subjected to biochemical treatment. The method for treating the
wastewater comprises buffering, flocculating, carrying out physical absorption dephenolization, carrying out biochemical-chemical combined dephenolization, and carrying out anaerobic-aerobic-advanced oxidation-aerobic combined biochemical treatment. By adopting
flocculation, physicalabsorption dephenolization and biochemical-chemical combined dephenolization, the
phenol content and COD in the wastewater can be greatly reduced, and the problems that the growth of microorganisms is inhibited due to the
direct entry of the high-concentration phenol-containing wastewater into the biochemical treatment, so that incomplete treatment is caused, COD removal efficiency is reduced, and the subsequent aerobic treatment is influenced can be solved; then, the anaerobic-aerobic-advanced oxidation-aerobic combined biochemical treatment is used for advanced treatment, so as to up-to-standard
discharge is realized.