How to Calculate the Exchange Capacity (as CaCO3) in Mixed Bed Exchanger?

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).