Figure 6.
Cation adsorption capacities in multi-salt solutions containing (a) 5 mM NaCl and 5 mM KCl and (b) 5 mM MgCl2 and 5 mM CaCl2 solutions. Effluent pH of (c) 5 mM NaCl and 5 mM KCl and (d) 5 mM MgCl2 and 5 mM CaCl2 solutions.
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