Fig. 8: Comparative performance studies of fabricated membranes. | npj Clean Water

Fig. 8: Comparative performance studies of fabricated membranes.

From: Surface decoration of bis-aminosilane cross-linked multiwall carbon nanotube ultrafiltration membrane for fast and efficient heavy metal removal

Fig. 8

a Pure water permeability; b Representation of electrostatic repulsion mechanism between the surface of CQACNT composite membrane and metal ions; c Metal ion removal performance of the prepared membranes; d Effect of Zn2+ concentration on the removal efficiency of CQACNT-0 and CQACNT-6 membranes. Error bars represent the standard deviation between three reported values.

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