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Table 2 Theoretical calculation of the substance content in reaction 5 when it reached equilibrium at different initial cobalt concentrations (T = 24 °C, pH = 7, His/Co2+ = 4)

From: Effects of cobalt-histidine absorbent on aerobic denitrification by Paracoccus versutus LYM

Initial cobalt(II) (mM)Co(II)His/initial cobalt(II) (%)Residual Co2+(mg/L)Residual His (mM)
499.9610.0928
599.9750.07410
899.9900.04616
1099.9940.03720
1299.9960.03124
1599.9970.02530
1699.9980.02332
2099.9980.01840
  1. The equilibrium constant under 30 °C was not publicly available, thus the constant was referred from 24 °C