Table 4.

Factors and comparison between actual (Y) and predicted (FIT) responses.

Run order	Temperature (X1)	Pressure (X2)	Feed flow rate (X3)	Responses Particle size (μm)
				Y	FIT
1	60	160	2.5	90.930	88.855
2	60	140	2.5	37.670	37.780
3	40	150	1.0	24.580	23.025
4	40	140	2.5	28.620	30.695
5	50	160	4.0	54.640	55.160
6	50	150	2.5	37.670	37.670
7	40	160	2.5	33.910	33.800
8	40	150	4.0	26.490	26.080
9	50	150	2.5	37.670	37.670
10	60	150	1.0	54.640	55.050
11	50	160	1.0	54.640	56.305
12	50	140	1.0	26.490	25.970
13	50	140	4.0	32.980	31.315
14	50	150	2.5	37.670	37.670
15	60	150	4.0	54.640	56.195