Zeolite form | Exp. | Pseudo-first order | Pseudo-second order | Elovich Equation | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
\( q_{e} \) (mEq/100 g) | \( q_{e} \) (mEq/100 g) | k _{1} (min^{−1}) | SSE | \( R^{2} \) | \( q_{e} \) (mEq/100 g) | \( k_{2} \) (mEq/100 g min) | SSE | \( R^{2} \) | \( a \) (mEq/100 g min) | \( b \) (mEq/100 g) | SSE | \( R^{2} \) | |
\( {\text{Natural}} \) | 16.16 | 14.34 | 0.031 | 4.08 | 0.96 | 15.67 | 0.002 | 2.27 | 0.99 | 2.54 | 0.39 | 1.83 | 0.99 |
\( {\text{Ca}}^{2 + } \) | 15.52 | 12.71 | 0.026 | 6.13 | 0.87 | 13.63 | 0.003 | 4.91 | 0.90 | 2.87 | 0.49 | 3.41 | 0.94 |
\( {\text{H}}^{ + } \) | 20.40 | 17.90 | 0.030 | 10.29 | 0.84 | 19.20 | 0.002 | 7.72 | 0.88 | 27.43 | 0.20 | 7.43 | 0.95 |
\( {\text{K}}^{ + } \) | 34.68 | 31.29 | 0.033 | 12.70 | 0.91 | 34.14 | 0.001 | 8.76 | 0.95 | 6.03 | 0.18 | 7.10 | 0.96 |
\( {\text{NH}}_{4}^{ + } \) | 36.67 | 35.92 | 0.063 | 9.21 | 0.94 | 38.28 | 0.002 | 4.91 | 0.98 | 27.43 | 0.20 | 7.43 | 0.95 |