Milad Hallajiqomi - Faculty of Chemical, Petroleum and Gas Engineering, Semnan University, Semnan, Iran
Mohsen Mehdipourghazi - Faculty of Chemical, Petroleum and Gas Engineering, Semnan University, Semnan, Iran

Micellar-enhanced ultrafiltration (MEUF) is a powerful treatment developed to remove heavy metals from wastewater. Efficient removal of Mn2+ from wastewater was performed by MEUF using a polysulfone ultrafiltration membrane, with sodium dodecyl sulfate (SDS) as the surfactant. The effects of some important parameters were investigated, including operating pressure (transmembrane pressure) and solution pH. Solution pH have a major influence on the rejection coefficient and negative effect on the permeate flux due to concentration polarization layer formation. In general, MEUF by ultrafiltration membrane has good rejection of Mn2+under different operating conditions, as the rejections were higher than 97.0%.

Micellar-enhanced ultrafiltration, Surfactants, Heavy metals, micelles