adsorption method Nitrification wastewater is the most important source of pollution in the dye industry. Wastewater contains nitrobenzene and nitro phenolic compounds, and the emission is very large, the pollution degree is very deep and the treatment is difficult. People use adsorption resin for high concentration nitrification wastewater treatment, and achieved good results. Suzhou Bojie Resin Technology Co., Ltd. provides adsorption resin for the treatment of nitrification wastewater, and the effect is good, can effectively remove pigment, adsorption of harmful substances, and resin adsorption method is simple to operate, large capacity, suitable for large-scale treatment, and resin can be reused, cost-effective.