MWCNTs membrane achieved significantly enhanced permeability and NOM removal.
Leveraging effects of MWCNTs/PANI complex outperformed PES UF membranes.
MWCNTs/PANI complex successfully tuned physicochemical properties of the membrane.
Mechanism of high water flux and effective NOM removal were systematically discussed.
MWCNTs membrane exhibited 100% flux recovery and removal efficiency after cleaning.