How to calculate exchange capacity (as CaCO3) in Mixed Bed Exchanger? Normal Flow per Stream - 140 m3/h Exhaustion Time - 24 HRS Net output per Cycle - 3360 m3 Ionic Load ( as CaCO3) - 11.50 mg/lit Cation 17.25 mg/lit Anion Regeneration Level - 150 kg/m3 Cation, 100 kg/m3 Anion Exchange capacity (as CaCO3) - 54.44 kg/m3 Cation, 27 kg/m3 Anion Mixed bed data from vendor as per above. I'd know how to do calculation above exchange capacity (as CaCO3).