Figure 6.
Structure and separation performance of SNF/HAP membranes
(A) SEM images showing the nacre-like, highly ordered multilayer structures of a SNF/HAP membrane.
(B) Cross-sectional representation of a multilayer SNF/HAP membrane to filter compounds.
(C) A photograph showing the successful rejection of Alcian Blue 8GX by the SNF/HAP-based syringe nanofilter.
(D) SNF/HAP nanofiltration membrane before and after filtration with Rhodamine B solution.
(E) Photographs of SNF/HAP dispersion-adsorbed metal ions at 0 and 24 h.
(F) Photograph of an SNF/HAP membrane after metal ions were adsorbed through flux-controllable filtration. Adapted under the terms and conditions of CC BY license. Ling et al. (2017a). Copyright 2017, The Authors. Published by American Association for the Advancement of Science.