Formation of phosphorylated ZrxSi1−xO2/Al2O3 self-assembled membrane for cleaning oily seawater

In order to deeply clean seawater containing oil, hydrolyzed polyacryamide (HPAM) and suspended solids, phosphorylated ZrxSi1−xO2/Al2O3 (PZSA) particles were firstly prepared through co-hydrolysis, silanization and phosphorylation, followed by coating of Al2O3 and then employed as a functional layer to form PZSA self-assembled membranes on porous supports. PZSA self-assembled membranes with desirable separation and selective adsorption properties perform attractive oil retention ratio and water yield in treating oily seawater. Therefore, PZSA self-assembled membranes perform the potential application in treating and cleaning oily seawater.239