Research Article

One-Pot Preparation of Alumina-Modified Polysulfone-Graphene Oxide Nanocomposite Membrane for Separation of Emulsion-Oil from Wastewater

Figure 16

SEM images of the surface (a) and the cross-sectional images (b) of PSf/GO-Al2O3-1.5 membranes after the third filtration.
(a)
(b)