Optimization study of the adsorption of malachite green removal by MgO nano-composite, nano-bentonite and fungal immobilization on active carbon using response surface methodology and kinetic study

Environmental Sciences Europe

Table 11 Analysis of variance (ANOVA), results for decolourization of MG by immobilized Mucor sp.

Source	Sum of squares	df	Mean square	F-value	p-value
Model	3067.39	14	219.10	60.99	< 0.0001	Significant
A-ph	52.50	1	52.50	14.61	0.0019
B-Tp	0.2821	1	0.2821	0.0785	0.7834
C-Con	0.0030	1	0.0030	0.0008	0.9773
D-Dose	28.43	1	28.43	7.91	0.0138
AB	25.00	1	25.00	6.96	0.0195
AC	210.25	1	210.25	58.52	< 0.0001
AD	9.92	1	9.92	2.76	0.1188
BC	85.01	1	85.01	23.66	0.0003
BD	211.12	1	211.12	58.76	< 0.0001
CD	0.0342	1	0.0342	0.0095	0.9236
A²	2210.71	1	2210.71	615.34	< 0.0001
B²	566.31	1	566.31	157.63	< 0.0001
C²	171.70	1	171.70	47.79	< 0.0001
D²	122.32	1	122.32	34.05	< 0.0001
Residual	50.30	14	3.59
Lack of fit	31.85	10	3.18	0.6906	0.7115	Not significant
Pure error	18.45	4	4.61
Cor total	3117.69	28
SD	1.90				R²	0.9839
Mean	72.55				Adjusted R²	0.9677
CV %	2.61				Predicted R²	0.9319
					Adeq precision	24.1583