Table 6.

Effect of reaction time on the residual concentrations of estrogens in cow manure. Note: Fe(II) to H₂O₂ molar ratio = 0.10 M/M; H₂O₂ dosage = 2.56 mmol/g; solid to water mass ratio = 2 g/mL; initial pH values = 3.0.

Reaction Time/h	The Residual Concentrations of Estrogens in Cow Manure/(mg/kg)
	E3	BPA	DES	E2	EE2
6	25.94 ± 0.52	1.16 ± 0.20	3.47 ± 0.31	6.21 ± 0.87	23.52 ± 1.57
12	22.18 ± 1.69	0.51 ± 0.19	2.53 ± 0.33	4.18 ± 0.87	15.38 ± 0.64
24	14.62 ± 4.59	0.11 ± 0.04	0.80 ± 0.40	1.95 ± 0.50	11.71 ± 2.32
36	16.09 ± 2.13	0.15 ± 0.04	0.75 ± 0.13	1.79 ± 0.08	9.59 ± 1.71
48	15.72 ± 1.61	0.08 ± 0.06	0.66 ± 0.25	1.70 ± 0.11	11.56 ± 4.30
72	14.76 ± 1.35	0.02 ± 0.00	0.70 ± 0.58	1.52 ± 0.69	10.36 ± 0.97