Harvesting microalgal biomass using negatively charged polysulfone patterned membranes: Influence of pattern shapes and mechanism of fouling mitigation

Membranes have a lot of potential for harvesting microalgae, but membrane fouling is hampering their breakthrough. In this study, the effects charge and corrugated surface on filtration performance were investigated. The clean water permeance (CWP), microalgae efficiency flux microalgal broth determined using patterned polysulfone (PSf) membranes with different shapes patterns containing densities by blending sulfonated (sPSf). flow behavior near surface, as well interaction energy between investigated computational fluid dynamics (CFD) simulation improved extended “Derjaguin, Landau, Verwey, Overbeek” (XDLVO) theory, respectively. Membrane pattern shape significantly improve performance. critical pressures all sPSf blend higher than 2.5 bar. A 4.5w% wave showed highest CWP (2300 L/m2 h bar) in (1000 100% efficiency. XDLVO analysis that prepared obtained lowest barrier attachment. CFD velocity wall shear apexes.