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Table 7 Maximum Na+ exchangeable capacity for natural and treated zeolite

From: Novel pre-treatment of zeolite materials for the removal of sodium ions: potential materials for coal seam gas co-produced wastewater

Treatments Experimental % of exchangeable capacity
Q e (mEq 100 g−1) %
Exchangeable capacity 154
Natural 22.04 14.3
Ca2+ 20.89 13.5
H+ 26.41 17.1
K+ 34.79 22.5
NH4 + 41.08 26.6