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(Top) Flux vs. time for the PES/PTGM membranes at 0.4 MPa TMP during the following three steps: water flux for 4 h, 1000 ppm BSA flux for 4 h, and water flux for 4 h after 1 h washing with distilled water; (Bottom) Flux vs. time for the PES/PTGM blend membranes at 0.4 MPa TMP during the following three steps: water flux for 4 h, 50 ppm SA flux for 4 h, and water flux for 4 h after 1 h washing with distilled water.
