Research Article
Full Factorial Experimental Design Analysis of Reactive Dye Removal by Carbon Adsorption
Table 5
Design matrix for Remazol Yellow.
| | Runs | pH
A | Adsorbent dosage (g/L)
B | Dye concentration (mg/L)
C | Removal efficiency (%) |
| | 1 | +1 | +1 | +1 | 11.36 | | 2 | −1 | +1 | +1 | 34.91 | | 3 | −1 | −1 | +1 | 9.03 | | 4 | +1 | +1 | −1 | 22.24 | | 5 | −1 | −1 | −1 | 22.70 | | 6 | +1 | −1 | +1 | 6.00 | | 7 | +1 | −1 | −1 | 7.09 | | 8 | −1 | +1 | −1 | 61.00 |
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