Abstract: In order to realize waste recycling and remove pollutants from wastewater, two new Fenton-like compo-sites (SFM) with dual functions of removing ammonia nitrogen (NH₄⁺-N) and permanganate index (I_Mn) were prepared. The two SFMs are made by mixing fly ash, dried sludge and oyster shell as basic raw materials (FDO) in a certain proportion and adding two bentonite based inorganic mineral materials, which are respectively recorded as activated clay type (ATC/FDO) and bentonite type (BT/FDO). The surface morphology and pore structure of SFM were characterized by SEM and BET. The adsorption and removal effects of I_Mn and NH₄⁺-N in wastewater under the Fenton-like system of two kinds of SFM were comparatively studied, and the adsorption characteristics were analyzed by kinetics and adsorption isotherm models. The results show that the removal effect of ATC/FDO on I_Mn and NH₄⁺-N is better than that of BT/FDO. After 5 days of treatment, the corresponding removal rate of ATC/FDO on I_Mn and NH₄⁺-N is as high as 95.76% and 99.65% respectively. The optimum preparation conditions of ATC/FDO are as follows: the mass ratio of activated clay as basic raw material is 5∶5, calcination temperature is 400℃, calcination time is 120 min. The optimum conditions are 20℃, pH=6.5, and the dosage ratio of ATC/FDO to H₂O₂ is 5 g/L∶1 ml/L. The adsorption process of NH₄⁺-N on the two SFMs conforms to the quasi-second-order kinetics and the Freundlich adsorption isotherm equation. The research results can provide new technologies and new materials for waste resource utilization and water treatment.