Beef- Anaerobic Lagoon Sludge


TABLE 15. BEEF ANAEROBIC LAGOON SLUDGE 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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Sludge^b	gal/800 lb/day	est^c	-	-	-	2.3	-	19	24
Density	lb/gal	est	-	-	-	8.3	-	-	-
TS	%wb	2	5.6	17	11	11	5.8	2.2	2.7
VS	%db	2	55	79	67	67	12	1.5	1.8
BOD₅	mg/L	1	7285	7285	7285	7285	-	0.14	0.18
COD	mg/L	2	24956	76500	50728	50728	25772	0.98	1.2
VA	mg/L	1	750	750	750	750	-	0.014	0.018
ALKA	mg/L	1	2525	2525	2525	2525	-	0.049	0.061
pH		1	7.0	7.0	7.0	7.0	-	-	-
TKN	lb/1000 gal	6	17	52	39	38	13	0.088	0.11
NH₃N	%tkn	est	-	-	-	41	-	0.036	0.045
P₂O₅	lb/1000 gal	5	39	82	60	59	15	0.14	0.17
K₂O	lb/1000 gal	6	5.3	22	16	15	5.2	0.034	0.042
Ca	lb/1000 gal	5	20	82	24	36	23	0.083	0.10
Mg	lb/1000 gal	4	4.2	7.8	6.9	6.4	1.5	0.015	0.019
Na	lb/1000 gal	1	5.0	5.0	5.0	5.0	-	0.012	0.014
Fe	lb/1000 gal	4	2.9	5.7	4.0	4.2	1.0	0.010	0.012
Mn	lb/1000 gal	4	0.27	0.41	0.36	0.35	0.053	0.00081	0.0010
Zn	lb/1000 gal	4	0.39	1.2	0.96	0.88	0.32	0.0020	0.0026
Cu	lb/1000 gal	4	0.053	0.30	0.19	0.19	0.11	0.00043	0.00053
Cond	umho/cm	1	3290	3290	3290	3290	-	-	-
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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 No manure solids removal prior to lagoon liquid.
^c Mean valure extrapolated from other data; measured values not available.