Dairy-Anaerobic lagoon liquid


TABLE 4.DAIRY ANAEROBIC LAGOON LIQUID CHARACTERISTICS *
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Parameter	Units^a	Total		Parameter Concentration				Parameter Mass
		No of	-------------------------------------------------------------------------------					------------lb/day/-----------
		Observ	minimum	maximum	median	mean	std dev	head	1000 lb
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Liquid^b	gal/1400 lb/day	est^c	-	-	-	28	-	233	167
Density	lb/gal	est	-	-	-	8.3	-	-	-
TS	%wb	43	0.15	1.4	0.47	0.52	0.29	1.2	0.87
TSS	%db	6	13	64	15	31	23	0.37	0.27
VS	%db	30	38	74	52	52	9.3	0.64	0.46
VSS	%db	4	8.8	22	18	17	5.7	0.20	0.15
ALKA	mg/L	12	1269	3142	2212	2241	615	0.52	0.37
BOD₅	mg/L	6	428	1406	1029	933	347	0.22	0.16
COD	mg/L	33	1460	12049	3485	4394	2953	1.0	0.73
HARD	mg/L	4	672	1030	922	886	137	0.21	0.15
TOC	mg/L	10	385	4810	939	1602	1569	0.37	0.27
VA	mg/L	8	257	1498	708	737	376	0.17	0.12
pH		32	6.9	8.1	7.5	7.5	0.27	-	-
TKN	lb/acre-inch	167	17	272	120	132	70	0.14	0.10
NH₃N	%tkn	36	33	95	67	65	16	0.088	0.063
NO₃N	lb/acre-inch	3	0.0030	1.9	0.0090	0.63	0.88	0.00065	0.00046
P₂O₅	lb/acre-inch	158	10	233	52	75	52	0.077	0.055
PO₄	%p₂o₅	14	60	94	82	80	10	0.062	0.044
K₂O	lb/acre-inch	158	20	505	137	176	109	0.18	0.13
B	lb/acre-inch	70	0.014	0.45	0.088	0.12	0.089	0.00013	0.000090
Ca	lb/acre-inch	134	11	181	68	68	40	0.070	0.050
Cl	lb/acre-inch	25	28	116.1	60	62	23	0.064	0.045
Cu	lb/acre-inch	118	0.023	0.77	0.20395	0.24	0.17	0.00025	0.00018
Fe	lb/acre-inch	119	0.23	47	7.1	11	11	0.011	0.0079
Mg	lb/acre-inch	139	5.2	97	30	35	22	0.036	0.026
Mn	lb/acre-inch	119	0.023	4.1	0.97	1.1	0.87	0.0012	0.00084
Na	lb/acre-inch	92	23	113	45	45	22	0.046	0.033
S	lb/acre-inch	86	5.7	68	23	19	14	0.019	0.014
Zn	lb/acre-inch	123	0.023	5.9	0.84	1.4	1.4	0.0014	0.0010
Cond	umho/cm	25	2232	5800	3700	3738	939	-	-
EColi	col/100 mL	1	1.40E+05	1.40E+05	1.43E+05	1.43E+05	-	1.51E+08	1.08E+08
FC	col/100 mL	4	7.00E+04	1.40E+06	3.34E+05	5.30E+05	5.21E+05	5.60E+08	4.00E+08
FS	col/100 mL	1	4.20E+03	4.20E+03	4.20E+03	4.20E+03	-	4.44E+06	3.17E+06
TC	col/100 mL	3	1.70E+05	1.80E+06	1.83E+05	7.28E+05	7.79E+05	7.71E+08	5.50E+08
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* References:Biological & Agricultural Engineering Dept, North Carolina State University, Jan 1994.
	Agronomic Division, North Carolina Department of Agriculture & Consumer Services.
^a All concentrations as is or wet basis (wb) except as noted dry matter basis (db); all mass values wb.
^b Estimated lagoon liquid includes manure, milking center wastewater, average annual lagoon surface rainfall
surplus; does not include fresh water for flushing or lot runoff.
^c Mean value extrapolated from other data; measured values not available.