Use of Iron (II) Salts and Complexes for the Production of Soil Amendments from Organic Solid Wastes

Table 1

Elemental percentages (organic mass) of the composts under different biodegradation conditions.

		Compost				Commercial compost
Elemental %	OM	C1	C2	C3	C4	C5
C (TOC)	58.86	50.35	47.29	46.52	39.01	52.0
H	7.10	5.99	6.09	6.35	5.02	5.5
N	4.50	2.60	2.53	2.67	3.20	2.5
O	28.42	38.5	44.55	43.37	52.20	38.8
Cl	0.88	0.89	0.65	0.89	0.87	1.0
S	0.24	1.61	0.25	0.20	0.18	0.2
C/N	31	19	19	17	12	21
OM (Kg)		12	12	12	12	/
Fe(II) solution type		/	A	A	B
Fe(II) solution (g)		/	250	250	250
IM (Kg)		1	1	/	/

*C1–5: compost 1–5.