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This study deals with the synthesis and characterization of functional membranes, suitable for the removal of heavy metal ions from synthetic wastewater, using various copolymers together with low amount of biosorbent. The membranes were obtained at room temperature by phase inversion. The kind of biosorbents were investigated, the 1st one based on nutrients and the 2nd one based on bioactive substances. The obtained functional membranes were characterized by different techniques: Fourier Transform Infrared (FTIR)...