The　heterogeneous　Fenton-like　degradation　overcome　the　shortage　of　traditional　Fenton　system,　which　got　the　high　catalytic　efficiency,　good　stability,　wide　pH　working　range,　and　so　on.　However,　it　is　still　challenging　to　develop　highly　efficient　and　recyclable　solid　catalysts　in　wastewater　treatment.　Herein,　we　employed　melamine　sponge　(MS)　as　a　base　material　to　fabricate　heterogeneous　Fe/Cu-tannic　acid　(TA)　coated　MS　(MS-Fe/Cu-TA)　through　the　dip-coating　method.　The　porous　3D　structure　of　MS　can　enhance　the　catalyst　loading,　and　expose　more　active　catalytic　sites　to　absorb　dyes　from　solution.　The　loaded　Fe/Cu　weight　ratio,　pH　value,　H2O2　dosage,　and　initial　MB　concentration　on　the　catalytic　activity　were　optimized　to　get　highest　methylene　blue　(MB)　degradation　efficiency.　The　MS　survived　five　times　of　cyclic　MB　degradation,　and　degradation　efficiency　for　other　dyes　(methyl　orange,　rhodamine　B,　malachite　green)　kept　above　65%.　This　work　brings　potential　insights　for　development　of　enhanced　heterogeneous　Fenton-like　degradation　for　wastewater　treatment.　Graphical　Abstract:　Herein,　we　employed　melamine　sponge　(MS)　as　a　base　material　to　fabricate　heterogeneous　Fe/Cu-tannic　acid　(TA)　coated　MS　(MS-Fe/Cu-TA)　through　the　dip-coating　method.　The　porous　3D　structure　of　MS　can　enhance　the　catalyst　loading,　and　expose　more　active　catalytic　sites　to　absorb　dyes　from　solution.　This　work　brings　potential　insights　for　development　of　enhanced　heterogeneous　Fenton-like　degradation　for　wastewater　treatment.　(Figure　presented.)　©　The　Author(s),　under　exclusive　licence　to　Springer　Science+Business　Media,　LLC,　part　of　Springer　Nature　2024.