Research Article
UV-Initiated Polymerization of Cationic Polyacrylamide: Synthesis, Characterization, and Sludge Dewatering Performance
Table 1
Experimental ranges and levels of the independent test variables.
| | Variables | Ranges and levels | | −1 | 0 | +1 |
| | Incident light intensity (w·cm−2) () | 700 | 1200 | 1700 | | Illumination time (min) () | 40 | 80 | 120 | | Photoinitiator concentration (wt.‰) () | 0.25 | 0.50 | 0.75 |
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