Table 1.
Data set for the fractional factorial design of experiment (FFDoE). P1-8 are different preparation trials.
| Run | Factors | Response | |||
|---|---|---|---|---|---|
| CaO Particle Size (a) (μm) | Citric Acid (wt %) | CO2 Flow Rate (10−4 Nm3/s) | Stirring Rate (rps) | CaCO3 Particle Size (b) (nm) | |
| P1 | 30 | 1 | 1.7 | 13.3 | 1409 |
| P2 | 100 | 1 | 1.7 | 26.7 | 94 |
| P3 | 30 | 5 | 1.7 | 26.7 | 1399 |
| P4 | 100 | 5 | 1.7 | 13.3 | 1561 |
| P5 | 30 | 1 | 3.3 | 26.7 | 1182 |
| P6 | 100 | 1 | 3.3 | 13.3 | 108 |
| P7 | 30 | 5 | 3.3 | 13.3 | 1487 |
| P8 | 100 | 5 | 3.3 | 26.7 | 1231 |
(a) Nominal size from technical sheet of the commercial product; CaO conc. 0.446 mol/L (25 g/L). (b) Volume average particle size by SEM.