Table 6 Summary of CEC of MH products under different experimental conditions.
From: Effect of magnetic stirring and different additives on the synthesis of zeolites from MSWI fly ash
Number | Dosage (wt%) | Concentration of NaOH (mol/L) | MH time (h) | MH temperature (℃) | CEC (meq/g) |
|---|---|---|---|---|---|
1 | 1 | 1 | 1 | 1 | 0.5329 |
2 | 1 | 2 | 2 | 2 | 0.7150 |
3 | 1 | 3 | 3 | 3 | 0.8686 |
4 | 1 | 4 | 4 | 4 | 0.8673 |
5 | 2 | 1 | 2 | 3 | 0.8640 |
6 | 2 | 2 | 1 | 4 | 1.2685 |
7 | 2 | 3 | 4 | 1 | 1.2489 |
8 | 2 | 4 | 3 | 2 | 0.8888 |
9 | 3 | 1 | 3 | 4 | 1.5054 |
10 | 3 | 2 | 4 | 3 | 1.7043 |
11 | 3 | 3 | 1 | 2 | 1.3435 |
12 | 3 | 4 | 2 | 1 | 1.4174 |
13 | 4 | 1 | 4 | 2 | 0.9490 |
14 | 4 | 2 | 3 | 1 | 1.0600 |
15 | 4 | 3 | 2 | 4 | 1.6793 |
16 | 4 | 4 | 1 | 3 | 1.6109 |
K1 | 2.98 | 3.85 | 4.76 | 4.26 | Ki: indicating that the data corresponding to "i" in each column are added together |
K2 | 4.27 | 4.75 | 4.68 | 3.90 | |
K3 | 5.97 | 5.14 | 4.32 | 5.05 | |
K4 | 5.30 | 4.78 | 4.77 | 5.32 | |
\(\overline{{\text{K}}_{1}}\) | 0.75 | 0.96 | 1.19 | 1.06 | \(\overline{{\text{K}}_{\text{i}}}\): Ki divided by 4 |
\(\overline{{\text{K}}_{2}}\) | 1.07 | 1.19 | 1.17 | 0.97 | |
\(\overline{{\text{K}}_{3}}\) | 1.49 | 1.29 | 1.08 | 1.26 | |
\(\overline{{\text{K}}_{4}}\) | 1.32 | 1.20 | 1.19 | 1.33 |