An Efficient Catalyst for Restoration of Large Volume Effluent Containing 4-Nitrophenol at Room Temperature

An efficient and stable catalyst was prepared utilizing reduced graphene oxide, Ag nanoparticles and melamine sponge for the restoration of large volume effluent containing 4-nitrophenol at room temperature. And the as-prepared sample is suitable for continuous flow system. Almost 99% 4-nitrophenol ($1.0\times 10^{-4}$molL${}^{-1}$, 100mL) can be removed within 4min in the presence of the aforementioned sample. Moreover, it also exhibits remarkable stability in continuous flow system. This may offer a new route to the fabrication of efficient flowing catalytic system.