Research Article

Performance Evaluation of Polyethersulfone Membranes for Competitive Removal of Cd2+, Co2+, and Pb2+ Ions from Simulated Groundwater

Figure 6

Effect of initial feed concentration of binary aqueous solutions containing Cd2+ ions and Co2+ ions on rejection for three types of PES hollow fiber membrane ( and time 30 min, feed temperature of , and transmembrane pressure of 1 bar). (a) Cd2+ ions. (b) Co2+ ions.
(a)
(b)