New Sustainable Biosorbent Based on Recycled Deoiled Carob Seeds: Optimization of Heavy Metals Remediation

Table 9

Analysis of variance for sorption of cadmium ions.

Source	Sum of squares	df	Mean square	F value	value; prob > F
Model	6488.97	9	720.99	313.12	<0.0001	Significant
A	437.22	1	437.22	189.88	<0.0001
B	2645.07	1	2645.072	1148.73	<0.0001
C	313.043	1	313.04	135.95	<0.0001
D	2262.37	1	2262.37	982.524	<0.0001
AB	93.14	1	93.14	40.445	0.0007
AD	39.45	1	39.45	17.13	0.0061
BC	61.03	1	61.03	26.51	0.0021
BD	593.24	1	593.24	257.64	<0.0001
BCD	44.40	1	44.40	19.28	0.0046
Residual	13.81	6	2.30
Cor. total	6502.796	15

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