Table 7 ANOVA results of the orthogonal experiment.
From: Effect of magnetic stirring and different additives on the synthesis of zeolites from MSWI fly ash
Source of variance | Sum of squares | Degrees of freedom | Mean square | F | Significance |
|---|---|---|---|---|---|
Dosage of Na2SiO3 | 1.27 | 3 | 0.42 | 10.03 | 1–5% |
Concentration of NaOH | 0.23 | 3 | 0.08 | 1.80 | > 20% |
MH time | 0.032 | 3 | 0.01 | 0.25 | > 20% |
MH temperature | 0.33 | 3 | 0.11 | 2.63 | − 20% |
Errors | 0.13 | 3 | 0.04 | ||
Sum | 23.44 | 15 |
