Comparing the performance of Cyperus papyrus and Typha domingensis for the removal of heavy metals, roxithromycin, levofloxacin and pathogenic bacteria from wastewater

Environmental Sciences Europe

Table 6 ANOVA for the treatment of E. coli wastewater using Cyperus papyrus

Source	Sum of squares	df	Mean square	F value	p value
Model	6071.29	14	433.66	370.36	< 0.0001	Significant
A—Are	24.41	1	24.41	20.85	0.0004
B—E. coli	1623.65	1	1623.65	1386.66	< 0.0001
C—rate	40.05	1	40.05	34.21	< 0.0001
D—day	238.32	1	238.32	203.53	< 0.0001
AB	148.18	1	148.18	126.55	< 0.0001
AC	3.09	1	3.09	2.64	0.1265
AD	273.14	1	273.14	233.27	< 0.0001
BC	343.95	1	343.95	293.74	< 0.0001
BD	480.64	1	480.64	410.48	< 0.0001
CD	16.98	1	16.98	14.50	0.0019
A²	359.02	1	359.02	306.62	< 0.0001
B²	2231.74	1	2231.74	1905.99	< 0.0001
C²	25.67	1	25.67	21.93	0.0004
D²	604.31	1	604.31	516.10	< 0.0001
Residual	16.39	14	1.17
Lack of fit	14.53	10	1.45	3.13	0.1415	Not significant
Pure error	1.86	4	0.4647
Cor total	6087.69	28
Std. Dev.	1.08				R²	0.9973
Mean	84.23				Adjusted R²	0.9946
C.V. %	0.8				Predicted R²	0.9858
					Adeq precision	92.294