Microbial induced lipoprotein biosurfactant from slaughterhouse lipid waste and its application to the removal of metal ions from aqueous solution

► Pseudomonas gessardii able to produce lipoprotein biosurfactant with high yield using slaughterhouse lipid waste as the substrate. ► The lipoprotein produced was characterized by SDS-PAGE, HPLC, GC, FT-IR, TGA and DSC analysis. ► The micelle resides more than 96 h in the fermented medium. ► Lipoprotein has high efficiency for the sequestering of metal ions in the order Cr3+ > Ca2+ > Cu2+ > Fe2+ ions. ► FT-IR studies and SEM images confirmed the sequestering of metal ions onto BS-MAC.