In the project heterogeneous catalyst (APO-CN/CFF) were prepared and investigated by BET, FESEM, TGA, EDX mapping, XRD, DRS-UV-visible, ICP and BET. And then, after selecting the best catalysts, to evaluate for the degradation of Rhodamine B and at ambient temperature and pressure, and factors affecting the reaction, including the amount of H 2 O 2 , the catalyst type and the percentage of the metal present They were examined. The reaction was followed by UV-Vis spectroscopy. the catalyst Ag (6.5 wt%) was considered as the optimal catalyst Using this catalyst, the reaction finished in 40 min The results reported so far in various sources have often been used a lot of the amount of oxidizing agent or catalyst, or the reaction has been completed over a longer period of time. In addition to using the minimum amount of catalyst and H 2 O 2 , the completion time of the reaction is also appropriate.