Treatment process for wastewater produced in production of 4-aminophenyl-beta-hydroxyethyl sulfone sulfate through catalytic hydrogenation

The invention discloses a treatment process for wastewater produced in production of 4-aminophenyl-beta-hydroxyethyl sulfone sulfate through catalytic hydrogenation. The process comprises the following steps: adding ferrous sulfate according to the amount of residual hydrogen peroxide in wastewater, carrying out a stirring reaction, adding a polyacrylamide solution after the reaction is finished,and conducting flocculating and filtering; adjusting the pH value of the filtered wastewater with a sulfuric acid solution, adding reduced iron powder, conducting stirring for a reaction, adding a sodium hydroxide solution to adjust the pH value to 7, adding a polyacrylamide solution, and conducting flocculation and filtering; mixing and homogenizing the filtered wastewater and equipment washing water, and carrying out anaerobic biological treatment; subjecting the wastewater to anaerobic biological treatment via an A-O biological treatment process; and subjecting the biologically treated wastewater to advanced treatm