| TABLE
5.DAIRY ANAEROBIC LAGOON SLUDGE
CHARACTERISTICS * |
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| Parameter |
Unitsa |
Total |
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Parameter
Concentration |
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Parameter
Mass |
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|
No of |
------------------------------------------------------------------------------- |
-----------lb/day/----------- |
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|
Observ |
minimum |
maximum |
median |
mean |
std dev |
head |
1000 lb |
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| Sludgeb |
gal/1400 lb/day |
5 |
4.7 |
7.2 |
5.6 |
5.9 |
1.0 |
50 |
35 |
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| Density |
lb/gal |
estc |
- |
- |
- |
8.3 |
- |
- |
- |
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| TS |
%wb |
14 |
1.1 |
19 |
6.9 |
7.3 |
4.6 |
3.6 |
2.6 |
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| VS |
%db |
9 |
46 |
65 |
57 |
57 |
5.9 |
2.0 |
1.5 |
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| COD |
mg/L |
8 |
10350 |
67500 |
30405 |
31206 |
19002 |
1.5 |
1.1 |
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| TOC |
mg/L |
3 |
7464 |
19770 |
9888 |
12374 |
5323 |
0.61 |
0.44 |
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| pH |
|
7 |
7.1 |
8.8 |
7.3 |
7.5 |
0.55 |
- |
- |
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| TKN |
lb/1000 gal |
20 |
5.7 |
42 |
20 |
19 |
8.7 |
0.11 |
0.081 |
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| NH3N |
%tkn |
11 |
13 |
84 |
21 |
32 |
23 |
0.037 |
0.026 |
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| NO3N |
lb/1000 gal |
3 |
0.0014 |
0.029 |
0.0045 |
0.012 |
0.012 |
0.000069 |
0.000049 |
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| P2O5 |
lb/1000 gal |
17 |
5.3 |
128 |
37 |
42 |
33 |
0.25 |
0.18 |
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| PO4 |
%p2o5 |
4 |
53 |
69 |
60 |
60 |
6.4 |
0.15 |
0.11 |
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| K2O |
lb/1000 gal |
20 |
1.6 |
29 |
7.1 |
9.2 |
7.2 |
0.055 |
0.039 |
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| Ca |
lb/1000 gal |
13 |
0.76 |
39 |
18 |
18 |
13 |
0.10 |
0.07 |
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| Mg |
lb/1000 gal |
12 |
0.54 |
15 |
6.9 |
7.5 |
4.0 |
0.045 |
0.032 |
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| S |
lb/1000 gal |
6 |
3.6 |
18 |
5.6 |
7.4 |
5.1 |
0.044 |
0.031 |
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| Na |
lb/1000 gal |
9 |
1.7 |
6.6 |
2.1 |
2.9 |
1.6 |
0.017 |
0.012 |
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| Cl |
lb/1000 gal |
6 |
1.6 |
2.8 |
1.9 |
2.1 |
0.42 |
0.012 |
0.0087 |
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| Fe |
lb/1000 gal |
7 |
1.9 |
16 |
7.3 |
7.4 |
4.5 |
0.044 |
0.032 |
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| Mn |
lb/1000 gal |
8 |
0.26 |
1.6 |
0.53 |
0.66 |
0.44 |
0.0039 |
0.0028 |
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| B |
lb/1000 gal |
5 |
0.0084 |
0.17 |
0.027 |
0.066 |
0.060 |
0.00039 |
0.00028 |
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| Zn |
lb/1000 gal |
11 |
0.33 |
1.9 |
0.63 |
0.74 |
0.41 |
0.0044 |
0.0032 |
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| Cu |
lb/1000 gal |
12 |
0.076 |
1.1 |
0.27 |
0.46 |
0.37 |
0.0028 |
0.0020 |
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| Cond |
umho/cm |
6 |
2400 |
4900 |
3671 |
3649 |
726 |
- |
- |
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| *
References:Biological & Agricultural
Engineering Dept, North Carolina State University, Jan 1994. |
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Agronomic
Division, North Carolina Department of Agriculture & Consumer Services. |
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| a
All concentrations as is or wet basis (wb) except as noted dry matter basis
(db); all mass values wb. |
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| b
No manure solids removal prior to lagoon. |
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| c
Mean value extrapolated from other data; measured values not available. |
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