Table 2 Orthogonal parameters.
From: Effect of magnetic stirring and different additives on the synthesis of zeolites from MSWI fly ash
Factor | The dosage of the optimal additive (wt%) | NaOH concentration (mol/L) | MH time (h) | MH temperature (℃) |
|---|---|---|---|---|
Level 1 | 10 | 0.5 | 0.5 | 120 |
Level 2 | 20 | 1 | 1 | 140 |
Level 3 | 30 | 1.5 | 1.5 | 160 |
Level 4 | 40 | 2 | 2 | 180 |